Merge branch 'akpm' (patches from Andrew)
Merge yet more updates from Andrew Morton:
- a pile of minor fs fixes and cleanups
- kexec updates
- random misc fixes in various places: vmcore, rbtree, eventfd, ipc, seccomp.
- a series of python-based kgdb helper scripts
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (58 commits)
seccomp: cap SECCOMP_RET_ERRNO data to MAX_ERRNO
samples/seccomp: improve label helper
ipc,sem: use current->state helpers
scripts/gdb: disable pagination while printing from breakpoint handler
scripts/gdb: define maintainer
scripts/gdb: convert CpuList to generator function
scripts/gdb: convert ModuleList to generator function
scripts/gdb: use a generator instead of iterator for task list
scripts/gdb: ignore byte-compiled python files
scripts/gdb: port to python3 / gdb7.7
scripts/gdb: add basic documentation
scripts/gdb: add lx-lsmod command
scripts/gdb: add class to iterate over CPU masks
scripts/gdb: add lx_current convenience function
scripts/gdb: add internal helper and convenience function for per-cpu lookup
scripts/gdb: add get_gdbserver_type helper
scripts/gdb: add internal helper and convenience function to retrieve thread_info
scripts/gdb: add is_target_arch helper
scripts/gdb: add helper and convenience function to look up tasks
scripts/gdb: add task iteration class
...
diff --git a/MAINTAINERS b/MAINTAINERS
index a6c9b59..0597c5b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6881,7 +6881,7 @@
NIOS2 ARCHITECTURE
M: Ley Foon Tan <lftan@altera.com>
L: nios2-dev@lists.rocketboards.org (moderated for non-subscribers)
-T: git git://git.rocketboards.org/linux-socfpga.git
+T: git git://git.rocketboards.org/linux-socfpga-next.git
S: Maintained
F: arch/nios2/
diff --git a/arch/nios2/Kconfig b/arch/nios2/Kconfig
index 2361acf..4375554 100644
--- a/arch/nios2/Kconfig
+++ b/arch/nios2/Kconfig
@@ -8,6 +8,7 @@
select GENERIC_IRQ_PROBE
select GENERIC_IRQ_SHOW
select HAVE_ARCH_TRACEHOOK
+ select HAVE_ARCH_KGDB
select IRQ_DOMAIN
select MODULES_USE_ELF_RELA
select OF
@@ -134,6 +135,14 @@
will override "Default kernel command string".
Say N if you are unsure.
+config NIOS2_BOOT_LINK_OFFSET
+ hex "Link address offset for booting"
+ default "0x00500000"
+ help
+ This option allows you to set the link address offset of the zImage.
+ This can be useful if you are on a board which has a small amount of
+ memory.
+
endmenu
menu "Advanced setup"
diff --git a/arch/nios2/Kconfig.debug b/arch/nios2/Kconfig.debug
index 8d4e6ba..2fd08cb 100644
--- a/arch/nios2/Kconfig.debug
+++ b/arch/nios2/Kconfig.debug
@@ -14,4 +14,15 @@
This option will slow down process creation somewhat.
+config EARLY_PRINTK
+ bool "Activate early kernel debugging"
+ default y
+ select SERIAL_CORE_CONSOLE
+ depends on SERIAL_ALTERA_JTAGUART_CONSOLE || SERIAL_ALTERA_UART_CONSOLE
+ help
+ Enable early printk on console
+ This is useful for kernel debugging when your machine crashes very
+ early before the console code is initialized.
+ You should normally say N here, unless you want to debug such a crash.
+
endmenu
diff --git a/arch/nios2/boot/Makefile b/arch/nios2/boot/Makefile
index 59392dc..c899876 100644
--- a/arch/nios2/boot/Makefile
+++ b/arch/nios2/boot/Makefile
@@ -24,6 +24,13 @@
$(call if_changed,uimage)
@$(kecho) 'Kernel: $@ is ready'
+$(obj)/zImage: $(obj)/compressed/vmlinux FORCE
+ $(call if_changed,objcopy)
+ @$(kecho) 'Kernel: $@ is ready'
+
+$(obj)/compressed/vmlinux: $(obj)/vmlinux.gz FORCE
+ $(Q)$(MAKE) $(build)=$(obj)/compressed $@
+
# Rule to build device tree blobs
DTB_SRC := $(patsubst "%",%,$(CONFIG_NIOS2_DTB_SOURCE))
diff --git a/arch/nios2/boot/compressed/Makefile b/arch/nios2/boot/compressed/Makefile
new file mode 100644
index 0000000..5b0fb34
--- /dev/null
+++ b/arch/nios2/boot/compressed/Makefile
@@ -0,0 +1,19 @@
+#
+# create a compressed vmlinux image from the original vmlinux
+#
+
+targets := vmlinux head.o misc.o piggy.o vmlinux.lds
+asflags-y :=
+
+OBJECTS = $(obj)/head.o $(obj)/misc.o
+
+LDFLAGS_vmlinux := -T
+
+$(obj)/vmlinux: $(obj)/vmlinux.lds $(OBJECTS) $(obj)/piggy.o FORCE
+ $(call if_changed,ld)
+ @:
+
+LDFLAGS_piggy.o := -r --format binary --oformat elf32-littlenios2 -T
+
+$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/../vmlinux.gz FORCE
+ $(call if_changed,ld)
diff --git a/arch/nios2/boot/compressed/console.c b/arch/nios2/boot/compressed/console.c
new file mode 100644
index 0000000..2675e87
--- /dev/null
+++ b/arch/nios2/boot/compressed/console.c
@@ -0,0 +1,125 @@
+/*
+ * Copyright (C) 2008-2010 Thomas Chou <thomas@wytron.com.tw>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <linux/io.h>
+
+#if (defined(CONFIG_SERIAL_ALTERA_JTAGUART_CONSOLE) && defined(JTAG_UART_BASE))\
+ || (defined(CONFIG_SERIAL_ALTERA_UART_CONSOLE) && defined(UART0_BASE))
+static void *my_ioremap(unsigned long physaddr)
+{
+ return (void *)(physaddr | CONFIG_NIOS2_IO_REGION_BASE);
+}
+#endif
+
+#if defined(CONFIG_SERIAL_ALTERA_JTAGUART_CONSOLE) && defined(JTAG_UART_BASE)
+
+#define ALTERA_JTAGUART_SIZE 8
+#define ALTERA_JTAGUART_DATA_REG 0
+#define ALTERA_JTAGUART_CONTROL_REG 4
+#define ALTERA_JTAGUART_CONTROL_AC_MSK (0x00000400)
+#define ALTERA_JTAGUART_CONTROL_WSPACE_MSK (0xFFFF0000)
+static void *uartbase;
+
+#if defined(CONFIG_SERIAL_ALTERA_JTAGUART_CONSOLE_BYPASS)
+static void jtag_putc(int ch)
+{
+ if (readl(uartbase + ALTERA_JTAGUART_CONTROL_REG) &
+ ALTERA_JTAGUART_CONTROL_WSPACE_MSK)
+ writeb(ch, uartbase + ALTERA_JTAGUART_DATA_REG);
+}
+#else
+static void jtag_putc(int ch)
+{
+ while ((readl(uartbase + ALTERA_JTAGUART_CONTROL_REG) &
+ ALTERA_JTAGUART_CONTROL_WSPACE_MSK) == 0)
+ ;
+ writeb(ch, uartbase + ALTERA_JTAGUART_DATA_REG);
+}
+#endif
+
+static int putchar(int ch)
+{
+ jtag_putc(ch);
+ return ch;
+}
+
+static void console_init(void)
+{
+ uartbase = my_ioremap((unsigned long) JTAG_UART_BASE);
+ writel(ALTERA_JTAGUART_CONTROL_AC_MSK,
+ uartbase + ALTERA_JTAGUART_CONTROL_REG);
+}
+
+#elif defined(CONFIG_SERIAL_ALTERA_UART_CONSOLE) && defined(UART0_BASE)
+
+#define ALTERA_UART_SIZE 32
+#define ALTERA_UART_TXDATA_REG 4
+#define ALTERA_UART_STATUS_REG 8
+#define ALTERA_UART_DIVISOR_REG 16
+#define ALTERA_UART_STATUS_TRDY_MSK (0x40)
+static unsigned uartbase;
+
+static void uart_putc(int ch)
+{
+ int i;
+
+ for (i = 0; (i < 0x10000); i++) {
+ if (readw(uartbase + ALTERA_UART_STATUS_REG) &
+ ALTERA_UART_STATUS_TRDY_MSK)
+ break;
+ }
+ writeb(ch, uartbase + ALTERA_UART_TXDATA_REG);
+}
+
+static int putchar(int ch)
+{
+ uart_putc(ch);
+ if (ch == '\n')
+ uart_putc('\r');
+ return ch;
+}
+
+static void console_init(void)
+{
+ unsigned int baud, baudclk;
+
+ uartbase = (unsigned long) my_ioremap((unsigned long) UART0_BASE);
+ baud = CONFIG_SERIAL_ALTERA_UART_BAUDRATE;
+ baudclk = UART0_FREQ / baud;
+ writew(baudclk, uartbase + ALTERA_UART_DIVISOR_REG);
+}
+
+#else
+
+static int putchar(int ch)
+{
+ return ch;
+}
+
+static void console_init(void)
+{
+}
+
+#endif
+
+static int puts(const char *s)
+{
+ while (*s)
+ putchar(*s++);
+ return 0;
+}
diff --git a/arch/nios2/boot/compressed/head.S b/arch/nios2/boot/compressed/head.S
new file mode 100644
index 0000000..15c6c48
--- /dev/null
+++ b/arch/nios2/boot/compressed/head.S
@@ -0,0 +1,117 @@
+/*
+ * Copyright (C) 2009 Thomas Chou <thomas@wytron.com.tw>
+ *
+ * Based on arch/nios2/kernel/head.S
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ */
+
+/*
+ * This code can be loaded anywhere, eg FLASH ROM as reset vector,
+ * as long as output does not overlap it.
+ */
+
+#include <linux/linkage.h>
+#include <asm/cache.h>
+
+ .text
+ .set noat
+ENTRY(_start)
+ wrctl status, r0 /* disable interrupt */
+ /* invalidate all instruction cache */
+ movia r1, NIOS2_ICACHE_SIZE
+ movui r2, NIOS2_ICACHE_LINE_SIZE
+1: initi r1
+ sub r1, r1, r2
+ bgt r1, r0, 1b
+ /* invalidate all data cache */
+ movia r1, NIOS2_DCACHE_SIZE
+ movui r2, NIOS2_DCACHE_LINE_SIZE
+1: initd 0(r1)
+ sub r1, r1, r2
+ bgt r1, r0, 1b
+
+ nextpc r1 /* Find out where we are */
+chkadr:
+ movia r2, chkadr
+ beq r1, r2, finish_move /* We are running in correct address,
+ done */
+ /* move code, r1: src, r2: dest, r3: last dest */
+ addi r1, r1, (_start - chkadr) /* Source */
+ movia r2, _start /* Destination */
+ movia r3, __bss_start /* End of copy */
+1: ldw r8, 0(r1) /* load a word from [r1] */
+ stw r8, 0(r2) /* stort a word to dest [r2] */
+ addi r1, r1, 4 /* inc the src addr */
+ addi r2, r2, 4 /* inc the dest addr */
+ blt r2, r3, 1b
+ /* flush the data cache after moving */
+ movia r1, NIOS2_DCACHE_SIZE
+ movui r2, NIOS2_DCACHE_LINE_SIZE
+1: flushd 0(r1)
+ sub r1, r1, r2
+ bgt r1, r0, 1b
+ movia r1, finish_move
+ jmp r1 /* jmp to linked address */
+
+finish_move:
+ /* zero out the .bss segment (uninitialized common data) */
+ movia r2, __bss_start /* presume nothing is between */
+ movia r1, _end /* the .bss and _end. */
+1: stb r0, 0(r2)
+ addi r2, r2, 1
+ bne r1, r2, 1b
+ /*
+ * set up the stack pointer, some where higher than _end.
+ * The stack space must be greater than 32K for decompress.
+ */
+ movia sp, 0x10000
+ add sp, sp, r1
+ /* save args passed from u-boot, maybe */
+ addi sp, sp, -16
+ stw r4, 0(sp)
+ stw r5, 4(sp)
+ stw r6, 8(sp)
+ stw r7, 12(sp)
+ /* decompress the kernel */
+ call decompress_kernel
+ /* pass saved args to kernel */
+ ldw r4, 0(sp)
+ ldw r5, 4(sp)
+ ldw r6, 8(sp)
+ ldw r7, 12(sp)
+
+ /* flush all data cache after decompressing */
+ movia r1, NIOS2_DCACHE_SIZE
+ movui r2, NIOS2_DCACHE_LINE_SIZE
+1: flushd 0(r1)
+ sub r1, r1, r2
+ bgt r1, r0, 1b
+ /* flush all instruction cache */
+ movia r1, NIOS2_ICACHE_SIZE
+ movui r2, NIOS2_ICACHE_LINE_SIZE
+1: flushi r1
+ sub r1, r1, r2
+ bgt r1, r0, 1b
+ flushp
+ /* jump to start real kernel */
+ movia r1, (CONFIG_NIOS2_MEM_BASE | CONFIG_NIOS2_KERNEL_REGION_BASE)
+ jmp r1
+
+ .balign 512
+fake_headers_as_bzImage:
+ .short 0
+ .ascii "HdrS"
+ .short 0x0202
+ .short 0
+ .short 0
+ .byte 0x00, 0x10
+ .short 0
+ .byte 0
+ .byte 1
+ .byte 0x00, 0x80
+ .long 0
+ .long 0
diff --git a/arch/nios2/boot/compressed/misc.c b/arch/nios2/boot/compressed/misc.c
new file mode 100644
index 0000000..8437782
--- /dev/null
+++ b/arch/nios2/boot/compressed/misc.c
@@ -0,0 +1,187 @@
+/*
+ * Copyright (C) 2009 Thomas Chou <thomas@wytron.com.tw>
+ *
+ * This is a collection of several routines from gzip-1.0.3
+ * adapted for Linux.
+ *
+ * malloc by Hannu Savolainen 1993 and Matthias Urlichs 1994
+ *
+ * Adapted for SH by Stuart Menefy, Aug 1999
+ *
+ * Modified to use standard LinuxSH BIOS by Greg Banks 7Jul2000
+ *
+ * Based on arch/sh/boot/compressed/misc.c
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <linux/string.h>
+
+/*
+ * gzip declarations
+ */
+#define OF(args) args
+#define STATIC static
+
+#undef memset
+#undef memcpy
+#define memzero(s, n) memset((s), 0, (n))
+
+typedef unsigned char uch;
+typedef unsigned short ush;
+typedef unsigned long ulg;
+#define WSIZE 0x8000 /* Window size must be at least 32k, */
+ /* and a power of two */
+
+static uch *inbuf; /* input buffer */
+static uch window[WSIZE]; /* Sliding window buffer */
+
+static unsigned insize; /* valid bytes in inbuf */
+static unsigned inptr; /* index of next byte to be processed in inbuf */
+static unsigned outcnt; /* bytes in output buffer */
+
+/* gzip flag byte */
+#define ASCII_FLAG 0x01 /* bit 0 set: file probably ASCII text */
+#define CONTINUATION 0x02 /* bit 1 set: continuation of multi-part gzip
+ file */
+#define EXTRA_FIELD 0x04 /* bit 2 set: extra field present */
+#define ORIG_NAME 0x08 /* bit 3 set: original file name present */
+#define COMMENT 0x10 /* bit 4 set: file comment present */
+#define ENCRYPTED 0x20 /* bit 5 set: file is encrypted */
+#define RESERVED 0xC0 /* bit 6,7: reserved */
+
+#define get_byte() (inptr < insize ? inbuf[inptr++] : fill_inbuf())
+
+#ifdef DEBUG
+# define Assert(cond, msg) {if (!(cond)) error(msg); }
+# define Trace(x) fprintf x
+# define Tracev(x) {if (verbose) fprintf x ; }
+# define Tracevv(x) {if (verbose > 1) fprintf x ; }
+# define Tracec(c, x) {if (verbose && (c)) fprintf x ; }
+# define Tracecv(c, x) {if (verbose > 1 && (c)) fprintf x ; }
+#else
+# define Assert(cond, msg)
+# define Trace(x)
+# define Tracev(x)
+# define Tracevv(x)
+# define Tracec(c, x)
+# define Tracecv(c, x)
+#endif
+static int fill_inbuf(void);
+static void flush_window(void);
+static void error(char *m);
+
+extern char input_data[];
+extern int input_len;
+
+static long bytes_out;
+static uch *output_data;
+static unsigned long output_ptr;
+
+#include "console.c"
+
+static void error(char *m);
+
+int puts(const char *);
+
+extern int _end;
+static unsigned long free_mem_ptr;
+static unsigned long free_mem_end_ptr;
+
+#define HEAP_SIZE 0x10000
+
+#include "../../../../lib/inflate.c"
+
+void *memset(void *s, int c, size_t n)
+{
+ int i;
+ char *ss = (char *)s;
+
+ for (i = 0; i < n; i++)
+ ss[i] = c;
+ return s;
+}
+
+void *memcpy(void *__dest, __const void *__src, size_t __n)
+{
+ int i;
+ char *d = (char *)__dest, *s = (char *)__src;
+
+ for (i = 0; i < __n; i++)
+ d[i] = s[i];
+ return __dest;
+}
+
+/*
+ * Fill the input buffer. This is called only when the buffer is empty
+ * and at least one byte is really needed.
+ */
+static int fill_inbuf(void)
+{
+ if (insize != 0)
+ error("ran out of input data");
+
+ inbuf = input_data;
+ insize = input_len;
+ inptr = 1;
+ return inbuf[0];
+}
+
+/*
+ * Write the output window window[0..outcnt-1] and update crc and bytes_out.
+ * (Used for the decompressed data only.)
+ */
+static void flush_window(void)
+{
+ ulg c = crc; /* temporary variable */
+ unsigned n;
+ uch *in, *out, ch;
+
+ in = window;
+ out = &output_data[output_ptr];
+ for (n = 0; n < outcnt; n++) {
+ ch = *out++ = *in++;
+ c = crc_32_tab[((int)c ^ ch) & 0xff] ^ (c >> 8);
+ }
+ crc = c;
+ bytes_out += (ulg)outcnt;
+ output_ptr += (ulg)outcnt;
+ outcnt = 0;
+}
+
+static void error(char *x)
+{
+ puts("\nERROR\n");
+ puts(x);
+ puts("\n\n -- System halted");
+
+ while (1) /* Halt */
+ ;
+}
+
+void decompress_kernel(void)
+{
+ output_data = (void *) (CONFIG_NIOS2_MEM_BASE |
+ CONFIG_NIOS2_KERNEL_REGION_BASE);
+ output_ptr = 0;
+ free_mem_ptr = (unsigned long)&_end;
+ free_mem_end_ptr = free_mem_ptr + HEAP_SIZE;
+
+ console_init();
+ makecrc();
+ puts("Uncompressing Linux... ");
+ gunzip();
+ puts("Ok, booting the kernel.\n");
+}
diff --git a/arch/nios2/boot/compressed/vmlinux.lds.S b/arch/nios2/boot/compressed/vmlinux.lds.S
new file mode 100644
index 0000000..e867b37
--- /dev/null
+++ b/arch/nios2/boot/compressed/vmlinux.lds.S
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2009 Thomas Chou <thomas@wytron.com.tw>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <asm-generic/vmlinux.lds.h>
+
+OUTPUT_FORMAT("elf32-littlenios2", "elf32-littlenios2", "elf32-littlenios2")
+
+OUTPUT_ARCH(nios)
+ENTRY(_start) /* Defined in head.S */
+
+SECTIONS
+{
+ . = (CONFIG_NIOS2_MEM_BASE + CONFIG_NIOS2_BOOT_LINK_OFFSET) | \
+ CONFIG_NIOS2_KERNEL_REGION_BASE;
+
+ _text = .;
+ .text : { *(.text) } = 0
+ .rodata : { *(.rodata) *(.rodata.*) }
+ _etext = .;
+
+ . = ALIGN(32 / 8);
+ .data : { *(.data) }
+ . = ALIGN(32 / 8);
+ _got = .;
+ .got : {
+ *(.got.plt)
+ *(.igot.plt)
+ *(.got)
+ *(.igot)
+ }
+ _egot = .;
+ _edata = .;
+
+ . = ALIGN(32 / 8);
+ __bss_start = .;
+ .bss : { *(.bss) *(.sbss) }
+ . = ALIGN(32 / 8);
+ _ebss = .;
+ end = . ;
+ _end = . ;
+
+ got_len = (_egot - _got);
+}
diff --git a/arch/nios2/boot/compressed/vmlinux.scr b/arch/nios2/boot/compressed/vmlinux.scr
new file mode 100644
index 0000000..28c42f1
--- /dev/null
+++ b/arch/nios2/boot/compressed/vmlinux.scr
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2009 Thomas Chou <thomas@wytron.com.tw>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+SECTIONS
+{
+ .data : {
+ input_len = .;
+ LONG(input_data_end - input_data) input_data = .;
+ *(.data)
+ . = ALIGN(4);
+ input_data_end = .;
+ }
+}
diff --git a/arch/nios2/configs/3c120_defconfig b/arch/nios2/configs/3c120_defconfig
index 87541f0..9451940 100644
--- a/arch/nios2/configs/3c120_defconfig
+++ b/arch/nios2/configs/3c120_defconfig
@@ -22,6 +22,7 @@
CONFIG_NIOS2_ICACHE_SIZE=0x8000
# CONFIG_NIOS2_CMDLINE_IGNORE_DTB is not set
CONFIG_NIOS2_PASS_CMDLINE=y
+CONFIG_NIOS2_BOOT_LINK_OFFSET=0x00800000
CONFIG_NET=y
CONFIG_PACKET=y
CONFIG_UNIX=y
diff --git a/arch/nios2/include/asm/kgdb.h b/arch/nios2/include/asm/kgdb.h
new file mode 100644
index 0000000..8fd5e3b
--- /dev/null
+++ b/arch/nios2/include/asm/kgdb.h
@@ -0,0 +1,93 @@
+/*
+ * Copyright (C) 2015 Altera Corporation
+ * Copyright (C) 2011 Tobias Klauser <tklauser@distanz.ch>
+ *
+ * Based on the code posted by Kazuyasu on the Altera Forum at:
+ * http://www.alteraforum.com/forum/showpost.php?p=77003&postcount=20
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef _ASM_NIOS2_KGDB_H
+#define _ASM_NIOS2_KGDB_H
+
+#define CACHE_FLUSH_IS_SAFE 1
+#define BUFMAX 2048
+
+enum regnames {
+ GDB_R0 = 0,
+ GDB_AT,
+ GDB_R2,
+ GDB_R3,
+ GDB_R4,
+ GDB_R5,
+ GDB_R6,
+ GDB_R7,
+ GDB_R8,
+ GDB_R9,
+ GDB_R10,
+ GDB_R11,
+ GDB_R12,
+ GDB_R13,
+ GDB_R14,
+ GDB_R15,
+ GDB_R16,
+ GDB_R17,
+ GDB_R18,
+ GDB_R19,
+ GDB_R20,
+ GDB_R21,
+ GDB_R22,
+ GDB_R23,
+ GDB_ET,
+ GDB_BT,
+ GDB_GP,
+ GDB_SP,
+ GDB_FP,
+ GDB_EA,
+ GDB_BA,
+ GDB_RA,
+ GDB_PC,
+ GDB_STATUS,
+ GDB_ESTATUS,
+ GDB_BSTATUS,
+ GDB_IENABLE,
+ GDB_IPENDING,
+ GDB_CPUID,
+ GDB_CTL6,
+ GDB_EXCEPTION,
+ GDB_PTEADDR,
+ GDB_TLBACC,
+ GDB_TLBMISC,
+ GDB_ECCINJ,
+ GDB_BADADDR,
+ GDB_CONFIG,
+ GDB_MPUBASE,
+ GDB_MPUACC,
+ /* do not change the last entry or anything below! */
+ GDB_NUMREGBYTES /* number of registers */
+};
+
+#define GDB_SIZEOF_REG sizeof(u32)
+#define DBG_MAX_REG_NUM (49)
+#define NUMREGBYTES (DBG_MAX_REG_NUM * sizeof(GDB_SIZEOF_REG))
+
+#define BREAK_INSTR_SIZE 4
+static inline void arch_kgdb_breakpoint(void)
+{
+ __asm__ __volatile__("trap 30\n");
+}
+
+#endif /* _ASM_NIOS2_KGDB_H */
diff --git a/arch/nios2/include/asm/processor.h b/arch/nios2/include/asm/processor.h
index 3bd3494..c2ba45c 100644
--- a/arch/nios2/include/asm/processor.h
+++ b/arch/nios2/include/asm/processor.h
@@ -85,9 +85,6 @@
extern unsigned long get_wchan(struct task_struct *p);
-/* Prepare to copy thread state - unlazy all lazy status */
-#define prepare_to_copy(tsk) do { } while (0)
-
#define task_pt_regs(p) \
((struct pt_regs *)(THREAD_SIZE + task_stack_page(p)) - 1)
diff --git a/arch/nios2/include/asm/prom.h b/arch/nios2/include/asm/prom.h
new file mode 100644
index 0000000..75fffb4
--- /dev/null
+++ b/arch/nios2/include/asm/prom.h
@@ -0,0 +1,22 @@
+/*
+ * Copyright Altera Corporation (C) <2015>. All rights reserved
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __ASM_NIOS2_PROM_H__
+#define __ASM_NIOS2_PROM_H__
+
+extern unsigned long __init of_early_console(void);
+
+#endif
diff --git a/arch/nios2/kernel/Makefile b/arch/nios2/kernel/Makefile
index 8ae7682..1aae257 100644
--- a/arch/nios2/kernel/Makefile
+++ b/arch/nios2/kernel/Makefile
@@ -20,5 +20,7 @@
obj-y += time.o
obj-y += traps.o
+obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
+obj-$(CONFIG_KGDB) += kgdb.o
obj-$(CONFIG_MODULES) += module.o
obj-$(CONFIG_NIOS2_ALIGNMENT_TRAP) += misaligned.o
diff --git a/arch/nios2/kernel/early_printk.c b/arch/nios2/kernel/early_printk.c
new file mode 100644
index 0000000..c08e4c1
--- /dev/null
+++ b/arch/nios2/kernel/early_printk.c
@@ -0,0 +1,118 @@
+/*
+ * Early printk for Nios2.
+ *
+ * Copyright (C) 2015, Altera Corporation
+ * Copyright (C) 2010, Tobias Klauser <tklauser@distanz.ch>
+ * Copyright (C) 2009, Wind River Systems Inc
+ * Implemented by fredrik.markstrom@gmail.com and ivarholmqvist@gmail.com
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#include <linux/console.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/io.h>
+
+#include <asm/prom.h>
+
+static unsigned long base_addr;
+
+#if defined(CONFIG_SERIAL_ALTERA_JTAGUART_CONSOLE)
+
+#define ALTERA_JTAGUART_DATA_REG 0
+#define ALTERA_JTAGUART_CONTROL_REG 4
+#define ALTERA_JTAGUART_CONTROL_WSPACE_MSK 0xFFFF0000
+#define ALTERA_JTAGUART_CONTROL_AC_MSK 0x00000400
+
+#define JUART_GET_CR() \
+ __builtin_ldwio((void *)(base_addr + ALTERA_JTAGUART_CONTROL_REG))
+#define JUART_SET_CR(v) \
+ __builtin_stwio((void *)(base_addr + ALTERA_JTAGUART_CONTROL_REG), v)
+#define JUART_SET_TX(v) \
+ __builtin_stwio((void *)(base_addr + ALTERA_JTAGUART_DATA_REG), v)
+
+static void early_console_write(struct console *con, const char *s, unsigned n)
+{
+ unsigned long status;
+
+ while (n-- && *s) {
+ while (((status = JUART_GET_CR())
+ & ALTERA_JTAGUART_CONTROL_WSPACE_MSK) == 0) {
+#if defined(CONFIG_SERIAL_ALTERA_JTAGUART_CONSOLE_BYPASS)
+ if ((status & ALTERA_JTAGUART_CONTROL_AC_MSK) == 0)
+ return; /* no connection activity */
+#endif
+ }
+ JUART_SET_TX(*s);
+ s++;
+ }
+}
+
+#elif defined(CONFIG_SERIAL_ALTERA_UART_CONSOLE)
+
+#define ALTERA_UART_TXDATA_REG 4
+#define ALTERA_UART_STATUS_REG 8
+#define ALTERA_UART_STATUS_TRDY 0x0040
+
+#define UART_GET_SR() \
+ __builtin_ldwio((void *)(base_addr + ALTERA_UART_STATUS_REG))
+#define UART_SET_TX(v) \
+ __builtin_stwio((void *)(base_addr + ALTERA_UART_TXDATA_REG), v)
+
+static void early_console_putc(char c)
+{
+ while (!(UART_GET_SR() & ALTERA_UART_STATUS_TRDY))
+ ;
+
+ UART_SET_TX(c);
+}
+
+static void early_console_write(struct console *con, const char *s, unsigned n)
+{
+ while (n-- && *s) {
+ early_console_putc(*s);
+ if (*s == '\n')
+ early_console_putc('\r');
+ s++;
+ }
+}
+
+#else
+# error Neither SERIAL_ALTERA_JTAGUART_CONSOLE nor SERIAL_ALTERA_UART_CONSOLE \
+selected
+#endif
+
+static struct console early_console_prom = {
+ .name = "early",
+ .write = early_console_write,
+ .flags = CON_PRINTBUFFER | CON_BOOT,
+ .index = -1
+};
+
+void __init setup_early_printk(void)
+{
+#if defined(CONFIG_SERIAL_ALTERA_JTAGUART_CONSOLE) || \
+ defined(CONFIG_SERIAL_ALTERA_UART_CONSOLE)
+ base_addr = of_early_console();
+#else
+ base_addr = 0;
+#endif
+
+ if (!base_addr)
+ return;
+
+#if defined(CONFIG_SERIAL_ALTERA_JTAGUART_CONSOLE_BYPASS)
+ /* Clear activity bit so BYPASS doesn't stall if we've used JTAG for
+ * downloading the kernel. This might cause early data to be lost even
+ * if the JTAG terminal is running.
+ */
+ JUART_SET_CR(JUART_GET_CR() | ALTERA_JTAGUART_CONTROL_AC_MSK);
+#endif
+
+ early_console = &early_console_prom;
+ register_console(early_console);
+ pr_info("early_console initialized at 0x%08lx\n", base_addr);
+}
diff --git a/arch/nios2/kernel/entry.S b/arch/nios2/kernel/entry.S
index 0bdfd13..7729bd3 100644
--- a/arch/nios2/kernel/entry.S
+++ b/arch/nios2/kernel/entry.S
@@ -121,7 +121,11 @@
.word instruction_trap /* 27 */
.word instruction_trap /* 28 */
.word instruction_trap /* 29 */
- .word instruction_trap /* 30 */
+#ifdef CONFIG_KGDB
+ .word handle_kgdb_breakpoint /* 30 KGDB breakpoint */
+#else
+ .word instruction_trap /* 30 */
+#endif
.word handle_breakpoint /* 31 */
.text
@@ -445,6 +449,12 @@
call handle_diverror_c
br ret_from_exception
+#ifdef CONFIG_KGDB
+handle_kgdb_breakpoint:
+ call kgdb_breakpoint_c
+ br ret_from_exception
+#endif
+
/*
* Beware - when entering resume, prev (the current task) is
* in r4, next (the new task) is in r5, don't change these
diff --git a/arch/nios2/kernel/kgdb.c b/arch/nios2/kernel/kgdb.c
new file mode 100644
index 0000000..1178591
--- /dev/null
+++ b/arch/nios2/kernel/kgdb.c
@@ -0,0 +1,171 @@
+/*
+ * Nios2 KGDB support
+ *
+ * Copyright (C) 2015 Altera Corporation
+ * Copyright (C) 2011 Tobias Klauser <tklauser@distanz.ch>
+ *
+ * Based on the code posted by Kazuyasu on the Altera Forum at:
+ * http://www.alteraforum.com/forum/showpost.php?p=77003&postcount=20
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+#include <linux/ptrace.h>
+#include <linux/kgdb.h>
+#include <linux/kdebug.h>
+#include <linux/io.h>
+
+static int wait_for_remote_debugger;
+
+struct dbg_reg_def_t dbg_reg_def[DBG_MAX_REG_NUM] =
+{
+ { "zero", GDB_SIZEOF_REG, -1 },
+ { "at", GDB_SIZEOF_REG, offsetof(struct pt_regs, r1) },
+ { "r2", GDB_SIZEOF_REG, offsetof(struct pt_regs, r2) },
+ { "r3", GDB_SIZEOF_REG, offsetof(struct pt_regs, r3) },
+ { "r4", GDB_SIZEOF_REG, offsetof(struct pt_regs, r4) },
+ { "r5", GDB_SIZEOF_REG, offsetof(struct pt_regs, r5) },
+ { "r6", GDB_SIZEOF_REG, offsetof(struct pt_regs, r6) },
+ { "r7", GDB_SIZEOF_REG, offsetof(struct pt_regs, r7) },
+ { "r8", GDB_SIZEOF_REG, offsetof(struct pt_regs, r8) },
+ { "r9", GDB_SIZEOF_REG, offsetof(struct pt_regs, r9) },
+ { "r10", GDB_SIZEOF_REG, offsetof(struct pt_regs, r10) },
+ { "r11", GDB_SIZEOF_REG, offsetof(struct pt_regs, r11) },
+ { "r12", GDB_SIZEOF_REG, offsetof(struct pt_regs, r12) },
+ { "r13", GDB_SIZEOF_REG, offsetof(struct pt_regs, r13) },
+ { "r14", GDB_SIZEOF_REG, offsetof(struct pt_regs, r14) },
+ { "r15", GDB_SIZEOF_REG, offsetof(struct pt_regs, r15) },
+ { "r16", GDB_SIZEOF_REG, -1 },
+ { "r17", GDB_SIZEOF_REG, -1 },
+ { "r18", GDB_SIZEOF_REG, -1 },
+ { "r19", GDB_SIZEOF_REG, -1 },
+ { "r20", GDB_SIZEOF_REG, -1 },
+ { "r21", GDB_SIZEOF_REG, -1 },
+ { "r22", GDB_SIZEOF_REG, -1 },
+ { "r23", GDB_SIZEOF_REG, -1 },
+ { "et", GDB_SIZEOF_REG, -1 },
+ { "bt", GDB_SIZEOF_REG, -1 },
+ { "gp", GDB_SIZEOF_REG, offsetof(struct pt_regs, gp) },
+ { "sp", GDB_SIZEOF_REG, offsetof(struct pt_regs, sp) },
+ { "fp", GDB_SIZEOF_REG, offsetof(struct pt_regs, fp) },
+ { "ea", GDB_SIZEOF_REG, -1 },
+ { "ba", GDB_SIZEOF_REG, -1 },
+ { "ra", GDB_SIZEOF_REG, offsetof(struct pt_regs, ra) },
+ { "pc", GDB_SIZEOF_REG, offsetof(struct pt_regs, ea) },
+ { "status", GDB_SIZEOF_REG, -1 },
+ { "estatus", GDB_SIZEOF_REG, offsetof(struct pt_regs, estatus) },
+ { "bstatus", GDB_SIZEOF_REG, -1 },
+ { "ienable", GDB_SIZEOF_REG, -1 },
+ { "ipending", GDB_SIZEOF_REG, -1},
+ { "cpuid", GDB_SIZEOF_REG, -1 },
+ { "ctl6", GDB_SIZEOF_REG, -1 },
+ { "exception", GDB_SIZEOF_REG, -1 },
+ { "pteaddr", GDB_SIZEOF_REG, -1 },
+ { "tlbacc", GDB_SIZEOF_REG, -1 },
+ { "tlbmisc", GDB_SIZEOF_REG, -1 },
+ { "eccinj", GDB_SIZEOF_REG, -1 },
+ { "badaddr", GDB_SIZEOF_REG, -1 },
+ { "config", GDB_SIZEOF_REG, -1 },
+ { "mpubase", GDB_SIZEOF_REG, -1 },
+ { "mpuacc", GDB_SIZEOF_REG, -1 },
+};
+
+char *dbg_get_reg(int regno, void *mem, struct pt_regs *regs)
+{
+ if (regno >= DBG_MAX_REG_NUM || regno < 0)
+ return NULL;
+
+ if (dbg_reg_def[regno].offset != -1)
+ memcpy(mem, (void *)regs + dbg_reg_def[regno].offset,
+ dbg_reg_def[regno].size);
+ else
+ memset(mem, 0, dbg_reg_def[regno].size);
+
+ return dbg_reg_def[regno].name;
+}
+
+int dbg_set_reg(int regno, void *mem, struct pt_regs *regs)
+{
+ if (regno >= DBG_MAX_REG_NUM || regno < 0)
+ return -EINVAL;
+
+ if (dbg_reg_def[regno].offset != -1)
+ memcpy((void *)regs + dbg_reg_def[regno].offset, mem,
+ dbg_reg_def[regno].size);
+
+ return 0;
+}
+
+void sleeping_thread_to_gdb_regs(unsigned long *gdb_regs, struct task_struct *p)
+{
+ memset((char *)gdb_regs, 0, NUMREGBYTES);
+ gdb_regs[GDB_SP] = p->thread.kregs->sp;
+ gdb_regs[GDB_PC] = p->thread.kregs->ea;
+}
+
+void kgdb_arch_set_pc(struct pt_regs *regs, unsigned long pc)
+{
+ regs->ea = pc;
+}
+
+int kgdb_arch_handle_exception(int vector, int signo, int err_code,
+ char *remcom_in_buffer, char *remcom_out_buffer,
+ struct pt_regs *regs)
+{
+ char *ptr;
+ unsigned long addr;
+
+ switch (remcom_in_buffer[0]) {
+ case 's':
+ case 'c':
+ /* handle the optional parameters */
+ ptr = &remcom_in_buffer[1];
+ if (kgdb_hex2long(&ptr, &addr))
+ regs->ea = addr;
+
+ return 0;
+ }
+
+ return -1; /* this means that we do not want to exit from the handler */
+}
+
+asmlinkage void kgdb_breakpoint_c(struct pt_regs *regs)
+{
+ /*
+ * The breakpoint entry code has moved the PC on by 4 bytes, so we must
+ * move it back. This could be done on the host but we do it here
+ */
+ if (!wait_for_remote_debugger)
+ regs->ea -= 4;
+ else /* pass the first trap 30 code */
+ wait_for_remote_debugger = 0;
+
+ kgdb_handle_exception(30, SIGTRAP, 0, regs);
+}
+
+int kgdb_arch_init(void)
+{
+ wait_for_remote_debugger = 1;
+ return 0;
+}
+
+void kgdb_arch_exit(void)
+{
+ /* Nothing to do */
+}
+
+struct kgdb_arch arch_kgdb_ops = {
+ /* Breakpoint instruction: trap 30 */
+ .gdb_bpt_instr = { 0xba, 0x6f, 0x3b, 0x00 },
+};
diff --git a/arch/nios2/kernel/prom.c b/arch/nios2/kernel/prom.c
index 0522d33..718dd19 100644
--- a/arch/nios2/kernel/prom.c
+++ b/arch/nios2/kernel/prom.c
@@ -1,7 +1,7 @@
/*
* Device tree support
*
- * Copyright (C) 2013 Altera Corporation
+ * Copyright (C) 2013, 2015 Altera Corporation
* Copyright (C) 2010 Thomas Chou <thomas@wytron.com.tw>
*
* Based on MIPS support for CONFIG_OF device tree support
@@ -30,6 +30,7 @@
#include <linux/of_fdt.h>
#include <linux/io.h>
+#include <asm/prom.h>
#include <asm/sections.h>
void __init early_init_dt_add_memory_arch(u64 base, u64 size)
@@ -63,3 +64,52 @@
early_init_dt_scan(params);
}
+
+#ifdef CONFIG_EARLY_PRINTK
+static int __init early_init_dt_scan_serial(unsigned long node,
+ const char *uname, int depth, void *data)
+{
+ u64 *addr64 = (u64 *) data;
+ const char *p;
+
+ /* only consider serial nodes */
+ if (strncmp(uname, "serial", 6) != 0)
+ return 0;
+
+ p = of_get_flat_dt_prop(node, "compatible", NULL);
+ if (!p)
+ return 0;
+
+ /*
+ * We found an altera_jtaguart but it wasn't configured for console, so
+ * skip it.
+ */
+#ifndef CONFIG_SERIAL_ALTERA_JTAGUART_CONSOLE
+ if (strncmp(p, "altr,juart", 10) == 0)
+ return 0;
+#endif
+
+ /*
+ * Same for altera_uart.
+ */
+#ifndef CONFIG_SERIAL_ALTERA_UART_CONSOLE
+ if (strncmp(p, "altr,uart", 9) == 0)
+ return 0;
+#endif
+
+ *addr64 = fdt_translate_address((const void *)initial_boot_params,
+ node);
+
+ return *addr64 == OF_BAD_ADDR ? 0 : 1;
+}
+
+unsigned long __init of_early_console(void)
+{
+ u64 base = 0;
+
+ if (of_scan_flat_dt(early_init_dt_scan_serial, &base))
+ return (u32)ioremap(base, 32);
+ else
+ return 0;
+}
+#endif /* CONFIG_EARLY_PRINTK */
diff --git a/arch/nios2/kernel/setup.c b/arch/nios2/kernel/setup.c
index cb3121f..b101a43 100644
--- a/arch/nios2/kernel/setup.c
+++ b/arch/nios2/kernel/setup.c
@@ -139,6 +139,10 @@
console_verbose();
+#ifdef CONFIG_EARLY_PRINTK
+ setup_early_printk();
+#endif
+
memory_start = PAGE_ALIGN((unsigned long)__pa(_end));
memory_end = (unsigned long) CONFIG_NIOS2_MEM_BASE + memory_size;
diff --git a/arch/nios2/mm/fault.c b/arch/nios2/mm/fault.c
index d194c04..0d231ad 100644
--- a/arch/nios2/mm/fault.c
+++ b/arch/nios2/mm/fault.c
@@ -47,7 +47,7 @@
struct mm_struct *mm = tsk->mm;
int code = SEGV_MAPERR;
int fault;
- unsigned int flags = 0;
+ unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE;
cause >>= 2;
@@ -86,6 +86,7 @@
if (!down_read_trylock(&mm->mmap_sem)) {
if (!user_mode(regs) && !search_exception_tables(regs->ea))
goto bad_area_nosemaphore;
+retry:
down_read(&mm->mmap_sem);
}
@@ -132,6 +133,10 @@
* the fault.
*/
fault = handle_mm_fault(mm, vma, address, flags);
+
+ if ((fault & VM_FAULT_RETRY) && fatal_signal_pending(current))
+ return;
+
if (unlikely(fault & VM_FAULT_ERROR)) {
if (fault & VM_FAULT_OOM)
goto out_of_memory;
@@ -141,10 +146,32 @@
goto do_sigbus;
BUG();
}
- if (fault & VM_FAULT_MAJOR)
- tsk->maj_flt++;
- else
- tsk->min_flt++;
+
+ /*
+ * Major/minor page fault accounting is only done on the
+ * initial attempt. If we go through a retry, it is extremely
+ * likely that the page will be found in page cache at that point.
+ */
+ if (flags & FAULT_FLAG_ALLOW_RETRY) {
+ if (fault & VM_FAULT_MAJOR)
+ current->maj_flt++;
+ else
+ current->min_flt++;
+ if (fault & VM_FAULT_RETRY) {
+ /* Clear FAULT_FLAG_ALLOW_RETRY to avoid any risk
+ * of starvation. */
+ flags &= ~FAULT_FLAG_ALLOW_RETRY;
+ flags |= FAULT_FLAG_TRIED;
+
+ /*
+ * No need to up_read(&mm->mmap_sem) as we would
+ * have already released it in __lock_page_or_retry
+ * in mm/filemap.c.
+ */
+
+ goto retry;
+ }
+ }
up_read(&mm->mmap_sem);
return;
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index 1554a6f..8014727 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -291,10 +291,6 @@
config AUDIT_ARCH
def_bool y
-config HPUX
- bool "Support for HP-UX binaries"
- depends on !64BIT
-
config NR_CPUS
int "Maximum number of CPUs (2-32)"
range 2 32
diff --git a/arch/parisc/Makefile b/arch/parisc/Makefile
index 5db8882..91fbb6e 100644
--- a/arch/parisc/Makefile
+++ b/arch/parisc/Makefile
@@ -84,7 +84,6 @@
KBUILD_CFLAGS += $(cflags-y)
kernel-y := mm/ kernel/ math-emu/
-kernel-$(CONFIG_HPUX) += hpux/
core-y += $(addprefix arch/parisc/, $(kernel-y))
libs-y += arch/parisc/lib/ $(LIBGCC)
diff --git a/arch/parisc/hpux/Makefile b/arch/parisc/hpux/Makefile
deleted file mode 100644
index 1048fb6..0000000
--- a/arch/parisc/hpux/Makefile
+++ /dev/null
@@ -1,5 +0,0 @@
-#
-# Makefile for HPUX emulation
-#
-
-obj-y := entry_hpux.o gate.o wrappers.o fs.o ioctl.o sys_hpux.o
diff --git a/arch/parisc/hpux/entry_hpux.S b/arch/parisc/hpux/entry_hpux.S
deleted file mode 100644
index d15a413..0000000
--- a/arch/parisc/hpux/entry_hpux.S
+++ /dev/null
@@ -1,546 +0,0 @@
-/* syscall table for HPUX specific syscalls
- *
- * Linux/PA-RISC Project (http://www.parisc-linux.org/)
- * Copyright (C) 1999 Matthew Wilcox <willy at debian . org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#include <asm/unistd.h>
-#include <asm/assembly.h>
-#include <linux/sys.h>
-#include <linux/linkage.h>
-
-#define ENTRY_NAME(_name_) ASM_ULONG_INSN _name_
-
- .section .rodata,"a"
- .import hpux_unimplemented_wrapper
-ENTRY(hpux_call_table)
- ENTRY_NAME(sys_ni_syscall) /* 0 */
- ENTRY_NAME(sys_exit)
- ENTRY_NAME(hpux_fork_wrapper)
- ENTRY_NAME(sys_read)
- ENTRY_NAME(sys_write)
- ENTRY_NAME(sys_open) /* 5 */
- ENTRY_NAME(sys_close)
- ENTRY_NAME(hpux_wait)
- ENTRY_NAME(sys_creat)
- ENTRY_NAME(sys_link)
- ENTRY_NAME(sys_unlink) /* 10 */
- ENTRY_NAME(hpux_execv_wrapper)
- ENTRY_NAME(sys_chdir)
- ENTRY_NAME(sys_time)
- ENTRY_NAME(sys_mknod)
- ENTRY_NAME(sys_chmod) /* 15 */
- ENTRY_NAME(sys_chown)
- ENTRY_NAME(hpux_brk)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(sys_lseek)
- ENTRY_NAME(sys_getpid) /* 20 */
- ENTRY_NAME(hpux_mount)
- ENTRY_NAME(sys_oldumount)
- ENTRY_NAME(sys_setuid)
- ENTRY_NAME(sys_getuid)
- ENTRY_NAME(sys_stime) /* 25 */
- ENTRY_NAME(hpux_ptrace)
- ENTRY_NAME(sys_alarm)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(sys_pause)
- ENTRY_NAME(sys_utime) /* 30 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(sys_access)
- ENTRY_NAME(hpux_nice)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 35 */
- ENTRY_NAME(sys_sync)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(sys_newstat)
- ENTRY_NAME(hpux_setpgrp3)
- ENTRY_NAME(sys_newlstat) /* 40 */
- ENTRY_NAME(sys_dup)
- ENTRY_NAME(hpux_pipe_wrapper)
- ENTRY_NAME(sys_times)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 45 */
- ENTRY_NAME(sys_setgid)
- ENTRY_NAME(sys_getgid)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 50 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_ioctl)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 55 */
- ENTRY_NAME(sys_symlink)
- ENTRY_NAME(hpux_utssys)
- ENTRY_NAME(sys_readlink)
- ENTRY_NAME(hpux_execve_wrapper)
- ENTRY_NAME(sys_umask) /* 60 */
- ENTRY_NAME(sys_chroot)
- ENTRY_NAME(sys_fcntl)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 65 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_sbrk)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 70 */
- ENTRY_NAME(sys_mmap)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 75 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 80 */
- ENTRY_NAME(sys_getpgid)
- ENTRY_NAME(sys_setpgid)
- ENTRY_NAME(sys_setitimer)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 85 */
- ENTRY_NAME(sys_getitimer)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(sys_dup2) /* 90 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(sys_newfstat)
- ENTRY_NAME(sys_select)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 95 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 100 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 105 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 110 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 115 */
- ENTRY_NAME(sys_gettimeofday)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 120 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(sys_fchown)
- ENTRY_NAME(sys_fchmod)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 125 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(sys_rename)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 130 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_sysconf)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 135 */
- ENTRY_NAME(sys_mkdir)
- ENTRY_NAME(sys_rmdir)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 140 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(sys_getrlimit)
- ENTRY_NAME(sys_setrlimit) /* 145 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 150 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_lockf) /* 155 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 160 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 165 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 170 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 175 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 180 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(sys_sigprocmask) /* 185 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 190 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_getdomainname)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 195 */
- ENTRY_NAME(hpux_statfs)
- ENTRY_NAME(hpux_fstatfs)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(sys_waitpid) /* 200 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 205 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 210 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 215 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 220 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 225 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 230 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 235 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 240 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 245 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 250 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 255 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 260 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 265 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 270 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(sys_fchdir)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(sys_accept) /* 275 */
- ENTRY_NAME(sys_bind)
- ENTRY_NAME(sys_connect)
- ENTRY_NAME(sys_getpeername)
- ENTRY_NAME(sys_getsockname)
- ENTRY_NAME(sys_getsockopt) /* 280 */
- ENTRY_NAME(sys_listen)
- ENTRY_NAME(sys_recv)
- ENTRY_NAME(sys_recvfrom)
- ENTRY_NAME(sys_recvmsg)
- ENTRY_NAME(sys_send) /* 285 */
- ENTRY_NAME(sys_sendmsg)
- ENTRY_NAME(sys_sendto)
- ENTRY_NAME(sys_setsockopt)
- ENTRY_NAME(sys_shutdown)
- ENTRY_NAME(sys_socket) /* 290 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 295 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 300 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 305 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 310 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 315 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 320 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 325 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 330 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(sys_lchown)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_sysfs)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 335 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 340 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 345 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 350 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(sys_nanosleep)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 355 */
- ENTRY_NAME(hpux_getdents)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 360 */
- ENTRY_NAME(hpux_fstat64)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 365 */
- ENTRY_NAME(hpux_lstat64)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_stat64)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 370 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 375 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 380 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_setpgrp)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 385 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 390 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 395 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 400 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 405 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 410 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 415 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 420 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 425 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 430 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 435 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 440 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 445 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 450 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 455 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 460 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 465 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 470 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 475 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 480 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 485 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 490 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 495 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 500 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 505 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper) /* 510 */
- ENTRY_NAME(hpux_unimplemented_wrapper)
- ENTRY_NAME(hpux_unimplemented_wrapper)
-END(hpux_call_table)
-.end
-
diff --git a/arch/parisc/hpux/fs.c b/arch/parisc/hpux/fs.c
deleted file mode 100644
index 97a7bf8..0000000
--- a/arch/parisc/hpux/fs.c
+++ /dev/null
@@ -1,192 +0,0 @@
-/*
- * Implements HPUX syscalls.
- *
- * Copyright (C) 1999 Matthew Wilcox <willy with parisc-linux.org>
- * Copyright (C) 2000 Michael Ang <mang with subcarrier.org>
- * Copyright (C) 2000 John Marvin <jsm with parisc-linux.org>
- * Copyright (C) 2000 Philipp Rumpf
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/fs.h>
-#include <linux/sched.h>
-#include <linux/file.h>
-#include <linux/ptrace.h>
-#include <linux/slab.h>
-#include <asm/errno.h>
-#include <asm/uaccess.h>
-
-int hpux_execve(struct pt_regs *regs)
-{
- return do_execve(getname((const char __user *) regs->gr[26]),
- (const char __user *const __user *) regs->gr[25],
- (const char __user *const __user *) regs->gr[24]);
-}
-
-struct hpux_dirent {
- loff_t d_off;
- ino_t d_ino;
- short d_reclen;
- short d_namlen;
- char d_name[1];
-};
-
-struct getdents_callback {
- struct dir_context ctx;
- struct hpux_dirent __user *current_dir;
- struct hpux_dirent __user *previous;
- int count;
- int error;
-};
-
-#define NAME_OFFSET(de) ((int) ((de)->d_name - (char __user *) (de)))
-
-static int filldir(struct dir_context *ctx, const char *name, int namlen,
- loff_t offset, u64 ino, unsigned d_type)
-{
- struct hpux_dirent __user * dirent;
- struct getdents_callback *buf =
- container_of(ctx, struct getdents_callback, ctx);
- ino_t d_ino;
- int reclen = ALIGN(NAME_OFFSET(dirent) + namlen + 1, sizeof(long));
-
- buf->error = -EINVAL; /* only used if we fail.. */
- if (reclen > buf->count)
- return -EINVAL;
- d_ino = ino;
- if (sizeof(d_ino) < sizeof(ino) && d_ino != ino) {
- buf->error = -EOVERFLOW;
- return -EOVERFLOW;
- }
- dirent = buf->previous;
- if (dirent)
- if (put_user(offset, &dirent->d_off))
- goto Efault;
- dirent = buf->current_dir;
- if (put_user(d_ino, &dirent->d_ino) ||
- put_user(reclen, &dirent->d_reclen) ||
- put_user(namlen, &dirent->d_namlen) ||
- copy_to_user(dirent->d_name, name, namlen) ||
- put_user(0, dirent->d_name + namlen))
- goto Efault;
- buf->previous = dirent;
- buf->current_dir = (void __user *)dirent + reclen;
- buf->count -= reclen;
- return 0;
-Efault:
- buf->error = -EFAULT;
- return -EFAULT;
-}
-
-#undef NAME_OFFSET
-
-int hpux_getdents(unsigned int fd, struct hpux_dirent __user *dirent, unsigned int count)
-{
- struct fd arg;
- struct hpux_dirent __user * lastdirent;
- struct getdents_callback buf = {
- .ctx.actor = filldir,
- .current_dir = dirent,
- .count = count
- };
- int error;
-
- arg = fdget(fd);
- if (!arg.file)
- return -EBADF;
-
- error = iterate_dir(arg.file, &buf.ctx);
- if (error >= 0)
- error = buf.error;
- lastdirent = buf.previous;
- if (lastdirent) {
- if (put_user(buf.ctx.pos, &lastdirent->d_off))
- error = -EFAULT;
- else
- error = count - buf.count;
- }
-
- fdput(arg);
- return error;
-}
-
-int hpux_mount(const char *fs, const char *path, int mflag,
- const char *fstype, const char *dataptr, int datalen)
-{
- return -ENOSYS;
-}
-
-static int cp_hpux_stat(struct kstat *stat, struct hpux_stat64 __user *statbuf)
-{
- struct hpux_stat64 tmp;
-
- /* we probably want a different split here - is hpux 12:20? */
-
- if (!new_valid_dev(stat->dev) || !new_valid_dev(stat->rdev))
- return -EOVERFLOW;
-
- memset(&tmp, 0, sizeof(tmp));
- tmp.st_dev = new_encode_dev(stat->dev);
- tmp.st_ino = stat->ino;
- tmp.st_mode = stat->mode;
- tmp.st_nlink = stat->nlink;
- tmp.st_uid = from_kuid_munged(current_user_ns(), stat->uid);
- tmp.st_gid = from_kgid_munged(current_user_ns(), stat->gid);
- tmp.st_rdev = new_encode_dev(stat->rdev);
- tmp.st_size = stat->size;
- tmp.st_atime = stat->atime.tv_sec;
- tmp.st_mtime = stat->mtime.tv_sec;
- tmp.st_ctime = stat->ctime.tv_sec;
- tmp.st_blocks = stat->blocks;
- tmp.st_blksize = stat->blksize;
- return copy_to_user(statbuf,&tmp,sizeof(tmp)) ? -EFAULT : 0;
-}
-
-long hpux_stat64(const char __user *filename, struct hpux_stat64 __user *statbuf)
-{
- struct kstat stat;
- int error = vfs_stat(filename, &stat);
-
- if (!error)
- error = cp_hpux_stat(&stat, statbuf);
-
- return error;
-}
-
-long hpux_fstat64(unsigned int fd, struct hpux_stat64 __user *statbuf)
-{
- struct kstat stat;
- int error = vfs_fstat(fd, &stat);
-
- if (!error)
- error = cp_hpux_stat(&stat, statbuf);
-
- return error;
-}
-
-long hpux_lstat64(const char __user *filename,
- struct hpux_stat64 __user *statbuf)
-{
- struct kstat stat;
- int error = vfs_lstat(filename, &stat);
-
- if (!error)
- error = cp_hpux_stat(&stat, statbuf);
-
- return error;
-}
diff --git a/arch/parisc/hpux/gate.S b/arch/parisc/hpux/gate.S
deleted file mode 100644
index 0114688..0000000
--- a/arch/parisc/hpux/gate.S
+++ /dev/null
@@ -1,107 +0,0 @@
-/*
- *
- * Linux/PARISC Project (http://www.parisc-linux.org/)
- *
- * System call entry code Copyright (c) Matthew Wilcox 1999 <willy@bofh.ai>
- * Licensed under the GNU GPL.
- * thanks to Philipp Rumpf, Mike Shaver and various others
- * sorry about the wall, puffin..
- */
-
-#include <asm/assembly.h>
-#include <asm/asm-offsets.h>
-#include <asm/unistd.h>
-#include <asm/errno.h>
-#include <linux/linkage.h>
-
- .level LEVEL
- .text
-
- .import hpux_call_table
- .import hpux_syscall_exit,code
-
- .align PAGE_SIZE
-ENTRY(hpux_gateway_page)
- nop
-#ifdef CONFIG_64BIT
-#warning NEEDS WORK for 64-bit
-#endif
- ldw -64(%r30), %r29 ;! 8th argument
- ldw -60(%r30), %r19 ;! 7th argument
- ldw -56(%r30), %r20 ;! 6th argument
- ldw -52(%r30), %r21 ;! 5th argument
- gate .+8, %r0 /* become privileged */
- mtsp %r0,%sr4 /* get kernel space into sr4 */
- mtsp %r0,%sr5 /* get kernel space into sr5 */
- mtsp %r0,%sr6 /* get kernel space into sr6 */
- mfsp %sr7,%r1 /* save user sr7 */
- mtsp %r1,%sr3 /* and store it in sr3 */
-
- mtctl %r30,%cr28
- mfctl %cr30,%r1
- xor %r1,%r30,%r30 /* ye olde xor trick */
- xor %r1,%r30,%r1
- xor %r1,%r30,%r30
- ldo TASK_SZ_ALGN+FRAME_SIZE(%r30),%r30 /* set up kernel stack */
-
- /* N.B.: It is critical that we don't set sr7 to 0 until r30
- * contains a valid kernel stack pointer. It is also
- * critical that we don't start using the kernel stack
- * until after sr7 has been set to 0.
- */
-
- mtsp %r0,%sr7 /* get kernel space into sr7 */
- STREG %r1,TASK_PT_GR30-TASK_SZ_ALGN-FRAME_SIZE(%r30) /* save usp */
- ldo -TASK_SZ_ALGN-FRAME_SIZE(%r30),%r1 /* get task ptr in %r1 */
-
- /* Save some registers for sigcontext and potential task
- switch (see entry.S for the details of which ones are
- saved/restored). TASK_PT_PSW is zeroed so we can see whether
- a process is on a syscall or not. For an interrupt the real
- PSW value is stored. This is needed for gdb and sys_ptrace. */
- STREG %r0, TASK_PT_PSW(%r1)
- STREG %r2, TASK_PT_GR2(%r1) /* preserve rp */
- STREG %r19, TASK_PT_GR19(%r1) /* 7th argument */
- STREG %r20, TASK_PT_GR20(%r1) /* 6th argument */
- STREG %r21, TASK_PT_GR21(%r1) /* 5th argument */
- STREG %r22, TASK_PT_GR22(%r1) /* syscall # */
- STREG %r23, TASK_PT_GR23(%r1) /* 4th argument */
- STREG %r24, TASK_PT_GR24(%r1) /* 3rd argument */
- STREG %r25, TASK_PT_GR25(%r1) /* 2nd argument */
- STREG %r26, TASK_PT_GR26(%r1) /* 1st argument */
- STREG %r27, TASK_PT_GR27(%r1) /* user dp */
- STREG %r28, TASK_PT_GR28(%r1) /* return value 0 */
- STREG %r0, TASK_PT_ORIG_R28(%r1) /* don't prohibit restarts */
- STREG %r29, TASK_PT_GR29(%r1) /* 8th argument */
- STREG %r31, TASK_PT_GR31(%r1) /* preserve syscall return ptr */
-
- ldo TASK_PT_FR0(%r1), %r27 /* save fpregs from the kernel */
- save_fp %r27 /* or potential task switch */
-
- mfctl %cr11, %r27 /* i.e. SAR */
- STREG %r27, TASK_PT_SAR(%r1)
-
- loadgp
-
- stw %r21, -52(%r30) ;! 5th argument
- stw %r20, -56(%r30) ;! 6th argument
- stw %r19, -60(%r30) ;! 7th argument
- stw %r29, -64(%r30) ;! 8th argument
-
- ldil L%hpux_call_table, %r21
- ldo R%hpux_call_table(%r21), %r21
- comiclr,>>= __NR_HPUX_syscalls, %r22, %r0
- b,n syscall_nosys
- LDREGX %r22(%r21), %r21
- ldil L%hpux_syscall_exit,%r2
- be 0(%sr7,%r21)
- ldo R%hpux_syscall_exit(%r2),%r2
-
-syscall_nosys:
- ldil L%hpux_syscall_exit,%r1
- be R%hpux_syscall_exit(%sr7,%r1)
- ldo -ENOSYS(%r0),%r28
-ENDPROC(hpux_gateway_page)
-
- .align PAGE_SIZE
-ENTRY(end_hpux_gateway_page)
diff --git a/arch/parisc/hpux/ioctl.c b/arch/parisc/hpux/ioctl.c
deleted file mode 100644
index dede476..0000000
--- a/arch/parisc/hpux/ioctl.c
+++ /dev/null
@@ -1,72 +0,0 @@
-/*
- * Implements some necessary HPUX ioctls.
- *
- * Copyright (C) 1999-2002 Matthew Wilcox <willy with parisc-linux.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-/*
- * Supported ioctls:
- * TCGETA
- * TCSETA
- * TCSETAW
- * TCSETAF
- * TCSBRK
- * TCXONC
- * TCFLSH
- * TIOCGWINSZ
- * TIOCSWINSZ
- * TIOCGPGRP
- * TIOCSPGRP
- */
-
-#include <linux/sched.h>
-#include <linux/syscalls.h>
-#include <asm/errno.h>
-#include <asm/ioctl.h>
-#include <asm/termios.h>
-#include <asm/uaccess.h>
-
-static int hpux_ioctl_t(int fd, unsigned long cmd, unsigned long arg)
-{
- int result = -EOPNOTSUPP;
- int nr = _IOC_NR(cmd);
- switch (nr) {
- case 106:
- result = sys_ioctl(fd, TIOCSWINSZ, arg);
- break;
- case 107:
- result = sys_ioctl(fd, TIOCGWINSZ, arg);
- break;
- }
- return result;
-}
-
-int hpux_ioctl(int fd, unsigned long cmd, unsigned long arg)
-{
- int result = -EOPNOTSUPP;
- int type = _IOC_TYPE(cmd);
- switch (type) {
- case 'T':
- /* Our structures are now compatible with HPUX's */
- result = sys_ioctl(fd, cmd, arg);
- break;
- case 't':
- result = hpux_ioctl_t(fd, cmd, arg);
- break;
- }
- return result;
-}
diff --git a/arch/parisc/hpux/sys_hpux.c b/arch/parisc/hpux/sys_hpux.c
deleted file mode 100644
index e5c4da0..0000000
--- a/arch/parisc/hpux/sys_hpux.c
+++ /dev/null
@@ -1,963 +0,0 @@
-/*
- * Implements HPUX syscalls.
- *
- * Copyright (C) 1999 Matthew Wilcox <willy with parisc-linux.org>
- * Copyright (C) 2000 Philipp Rumpf
- * Copyright (C) 2000 John Marvin <jsm with parisc-linux.org>
- * Copyright (C) 2000 Michael Ang <mang with subcarrier.org>
- * Copyright (C) 2001 Nathan Neulinger <nneul at umr.edu>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#include <linux/capability.h>
-#include <linux/file.h>
-#include <linux/fs.h>
-#include <linux/namei.h>
-#include <linux/sched.h>
-#include <linux/slab.h>
-#include <linux/syscalls.h>
-#include <linux/utsname.h>
-#include <linux/vfs.h>
-#include <linux/vmalloc.h>
-
-#include <asm/errno.h>
-#include <asm/pgalloc.h>
-#include <asm/uaccess.h>
-
-unsigned long hpux_brk(unsigned long addr)
-{
- /* Sigh. Looks like HP/UX libc relies on kernel bugs. */
- return sys_brk(addr + PAGE_SIZE);
-}
-
-int hpux_sbrk(void)
-{
- return -ENOSYS;
-}
-
-/* Random other syscalls */
-
-int hpux_nice(int priority_change)
-{
- return -ENOSYS;
-}
-
-int hpux_ptrace(void)
-{
- return -ENOSYS;
-}
-
-int hpux_wait(int __user *stat_loc)
-{
- return sys_waitpid(-1, stat_loc, 0);
-}
-
-int hpux_setpgrp(void)
-{
- return sys_setpgid(0,0);
-}
-
-int hpux_setpgrp3(void)
-{
- return hpux_setpgrp();
-}
-
-#define _SC_CPU_VERSION 10001
-#define _SC_OPEN_MAX 4
-#define CPU_PA_RISC1_1 0x210
-
-int hpux_sysconf(int which)
-{
- switch (which) {
- case _SC_CPU_VERSION:
- return CPU_PA_RISC1_1;
- case _SC_OPEN_MAX:
- return INT_MAX;
- default:
- return -EINVAL;
- }
-}
-
-/*****************************************************************************/
-
-#define HPUX_UTSLEN 9
-#define HPUX_SNLEN 15
-
-struct hpux_utsname {
- char sysname[HPUX_UTSLEN];
- char nodename[HPUX_UTSLEN];
- char release[HPUX_UTSLEN];
- char version[HPUX_UTSLEN];
- char machine[HPUX_UTSLEN];
- char idnumber[HPUX_SNLEN];
-} ;
-
-struct hpux_ustat {
- int32_t f_tfree; /* total free (daddr_t) */
- u_int32_t f_tinode; /* total inodes free (ino_t) */
- char f_fname[6]; /* filsys name */
- char f_fpack[6]; /* filsys pack name */
- u_int32_t f_blksize; /* filsys block size (int) */
-};
-
-/*
- * HPUX's utssys() call. It's a collection of miscellaneous functions,
- * alas, so there's no nice way of splitting them up.
- */
-
-/* This function is called from hpux_utssys(); HP-UX implements
- * ustat() as an option to utssys().
- *
- * Now, struct ustat on HP-UX is exactly the same as on Linux, except
- * that it contains one addition field on the end, int32_t f_blksize.
- * So, we could have written this function to just call the Linux
- * sys_ustat(), (defined in linux/fs/super.c), and then just
- * added this additional field to the user's structure. But I figure
- * if we're gonna be digging through filesystem structures to get
- * this, we might as well just do the whole enchilada all in one go.
- *
- * So, most of this function is almost identical to sys_ustat().
- * I have placed comments at the few lines changed or added, to
- * aid in porting forward if and when sys_ustat() is changed from
- * its form in kernel 2.2.5.
- */
-static int hpux_ustat(dev_t dev, struct hpux_ustat __user *ubuf)
-{
- struct hpux_ustat tmp; /* Changed to hpux_ustat */
- struct kstatfs sbuf;
- int err = vfs_ustat(dev, &sbuf);
- if (err)
- goto out;
-
- memset(&tmp,0,sizeof(tmp));
-
- tmp.f_tfree = (int32_t)sbuf.f_bfree;
- tmp.f_tinode = (u_int32_t)sbuf.f_ffree;
- tmp.f_blksize = (u_int32_t)sbuf.f_bsize; /* Added this line */
-
- err = copy_to_user(ubuf, &tmp, sizeof(tmp)) ? -EFAULT : 0;
-out:
- return err;
-}
-
-/*
- * Wrapper for hpux statfs call. At the moment, just calls the linux native one
- * and ignores the extra fields at the end of the hpux statfs struct.
- *
- */
-
-typedef int32_t hpux_fsid_t[2]; /* file system ID type */
-typedef uint16_t hpux_site_t;
-
-struct hpux_statfs {
- int32_t f_type; /* type of info, zero for now */
- int32_t f_bsize; /* fundamental file system block size */
- int32_t f_blocks; /* total blocks in file system */
- int32_t f_bfree; /* free block in fs */
- int32_t f_bavail; /* free blocks avail to non-superuser */
- int32_t f_files; /* total file nodes in file system */
- int32_t f_ffree; /* free file nodes in fs */
- hpux_fsid_t f_fsid; /* file system ID */
- int32_t f_magic; /* file system magic number */
- int32_t f_featurebits; /* file system features */
- int32_t f_spare[4]; /* spare for later */
- hpux_site_t f_cnode; /* cluster node where mounted */
- int16_t f_pad;
-};
-
-static int do_statfs_hpux(struct kstatfs *st, struct hpux_statfs __user *p)
-{
- struct hpux_statfs buf;
- memset(&buf, 0, sizeof(buf));
- buf.f_type = st->f_type;
- buf.f_bsize = st->f_bsize;
- buf.f_blocks = st->f_blocks;
- buf.f_bfree = st->f_bfree;
- buf.f_bavail = st->f_bavail;
- buf.f_files = st->f_files;
- buf.f_ffree = st->f_ffree;
- buf.f_fsid[0] = st->f_fsid.val[0];
- buf.f_fsid[1] = st->f_fsid.val[1];
- if (copy_to_user(p, &buf, sizeof(buf)))
- return -EFAULT;
- return 0;
-}
-
-/* hpux statfs */
-asmlinkage long hpux_statfs(const char __user *pathname,
- struct hpux_statfs __user *buf)
-{
- struct kstatfs st;
- int error = user_statfs(pathname, &st);
- if (!error)
- error = do_statfs_hpux(&st, buf);
- return error;
-}
-
-asmlinkage long hpux_fstatfs(unsigned int fd, struct hpux_statfs __user * buf)
-{
- struct kstatfs st;
- int error = fd_statfs(fd, &st);
- if (!error)
- error = do_statfs_hpux(&st, buf);
- return error;
-}
-
-
-/* This function is called from hpux_utssys(); HP-UX implements
- * uname() as an option to utssys().
- *
- * The form of this function is pretty much copied from sys_olduname(),
- * defined in linux/arch/i386/kernel/sys_i386.c.
- */
-/* TODO: Are these put_user calls OK? Should they pass an int?
- * (I copied it from sys_i386.c like this.)
- */
-static int hpux_uname(struct hpux_utsname __user *name)
-{
- int error;
-
- if (!name)
- return -EFAULT;
- if (!access_ok(VERIFY_WRITE,name,sizeof(struct hpux_utsname)))
- return -EFAULT;
-
- down_read(&uts_sem);
-
- error = __copy_to_user(&name->sysname, &utsname()->sysname,
- HPUX_UTSLEN - 1);
- error |= __put_user(0, name->sysname + HPUX_UTSLEN - 1);
- error |= __copy_to_user(&name->nodename, &utsname()->nodename,
- HPUX_UTSLEN - 1);
- error |= __put_user(0, name->nodename + HPUX_UTSLEN - 1);
- error |= __copy_to_user(&name->release, &utsname()->release,
- HPUX_UTSLEN - 1);
- error |= __put_user(0, name->release + HPUX_UTSLEN - 1);
- error |= __copy_to_user(&name->version, &utsname()->version,
- HPUX_UTSLEN - 1);
- error |= __put_user(0, name->version + HPUX_UTSLEN - 1);
- error |= __copy_to_user(&name->machine, &utsname()->machine,
- HPUX_UTSLEN - 1);
- error |= __put_user(0, name->machine + HPUX_UTSLEN - 1);
-
- up_read(&uts_sem);
-
- /* HP-UX utsname has no domainname field. */
-
- /* TODO: Implement idnumber!!! */
-#if 0
- error |= __put_user(0,name->idnumber);
- error |= __put_user(0,name->idnumber+HPUX_SNLEN-1);
-#endif
-
- error = error ? -EFAULT : 0;
-
- return error;
-}
-
-/* Note: HP-UX just uses the old suser() function to check perms
- * in this system call. We'll use capable(CAP_SYS_ADMIN).
- */
-int hpux_utssys(char __user *ubuf, int n, int type)
-{
- int len;
- int error;
- switch( type ) {
- case 0:
- /* uname(): */
- return hpux_uname((struct hpux_utsname __user *)ubuf);
- break ;
- case 1:
- /* Obsolete (used to be umask().) */
- return -EFAULT ;
- break ;
- case 2:
- /* ustat(): */
- return hpux_ustat(new_decode_dev(n),
- (struct hpux_ustat __user *)ubuf);
- break;
- case 3:
- /* setuname():
- *
- * On linux (unlike HP-UX), utsname.nodename
- * is the same as the hostname.
- *
- * sys_sethostname() is defined in linux/kernel/sys.c.
- */
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
- /* Unlike Linux, HP-UX returns an error if n==0: */
- if ( n <= 0 )
- return -EINVAL ;
- /* Unlike Linux, HP-UX truncates it if n is too big: */
- len = (n <= __NEW_UTS_LEN) ? n : __NEW_UTS_LEN ;
- return sys_sethostname(ubuf, len);
- break ;
- case 4:
- /* sethostname():
- *
- * sys_sethostname() is defined in linux/kernel/sys.c.
- */
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
- /* Unlike Linux, HP-UX returns an error if n==0: */
- if ( n <= 0 )
- return -EINVAL ;
- /* Unlike Linux, HP-UX truncates it if n is too big: */
- len = (n <= __NEW_UTS_LEN) ? n : __NEW_UTS_LEN ;
- return sys_sethostname(ubuf, len);
- break ;
- case 5:
- /* gethostname():
- *
- * sys_gethostname() is defined in linux/kernel/sys.c.
- */
- /* Unlike Linux, HP-UX returns an error if n==0: */
- if ( n <= 0 )
- return -EINVAL ;
- return sys_gethostname(ubuf, n);
- break ;
- case 6:
- /* Supposedly called from setuname() in libc.
- * TODO: When and why is this called?
- * Is it ever even called?
- *
- * This code should look a lot like sys_sethostname(),
- * defined in linux/kernel/sys.c. If that gets updated,
- * update this code similarly.
- */
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
- /* Unlike Linux, HP-UX returns an error if n==0: */
- if ( n <= 0 )
- return -EINVAL ;
- /* Unlike Linux, HP-UX truncates it if n is too big: */
- len = (n <= __NEW_UTS_LEN) ? n : __NEW_UTS_LEN ;
- /**/
- /* TODO: print a warning about using this? */
- down_write(&uts_sem);
- error = -EFAULT;
- if (!copy_from_user(utsname()->sysname, ubuf, len)) {
- utsname()->sysname[len] = 0;
- error = 0;
- }
- up_write(&uts_sem);
- return error;
- break ;
- case 7:
- /* Sets utsname.release, if you're allowed.
- * Undocumented. Used by swinstall to change the
- * OS version, during OS updates. Yuck!!!
- *
- * This code should look a lot like sys_sethostname()
- * in linux/kernel/sys.c. If that gets updated, update
- * this code similarly.
- */
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
- /* Unlike Linux, HP-UX returns an error if n==0: */
- if ( n <= 0 )
- return -EINVAL ;
- /* Unlike Linux, HP-UX truncates it if n is too big: */
- len = (n <= __NEW_UTS_LEN) ? n : __NEW_UTS_LEN ;
- /**/
- /* TODO: print a warning about this? */
- down_write(&uts_sem);
- error = -EFAULT;
- if (!copy_from_user(utsname()->release, ubuf, len)) {
- utsname()->release[len] = 0;
- error = 0;
- }
- up_write(&uts_sem);
- return error;
- break ;
- default:
- /* This system call returns -EFAULT if given an unknown type.
- * Why not -EINVAL? I don't know, it's just not what they did.
- */
- return -EFAULT ;
- }
-}
-
-int hpux_getdomainname(char __user *name, int len)
-{
- int nlen;
- int err = -EFAULT;
-
- down_read(&uts_sem);
-
- nlen = strlen(utsname()->domainname) + 1;
-
- if (nlen < len)
- len = nlen;
- if(len > __NEW_UTS_LEN)
- goto done;
- if(copy_to_user(name, utsname()->domainname, len))
- goto done;
- err = 0;
-done:
- up_read(&uts_sem);
- return err;
-
-}
-
-int hpux_pipe(int *kstack_fildes)
-{
- return do_pipe_flags(kstack_fildes, 0);
-}
-
-/* lies - says it works, but it really didn't lock anything */
-int hpux_lockf(int fildes, int function, off_t size)
-{
- return 0;
-}
-
-int hpux_sysfs(int opcode, unsigned long arg1, unsigned long arg2)
-{
- char *fsname = NULL;
- int len = 0;
- int fstype;
-
-/*Unimplemented HP-UX syscall emulation. Syscall #334 (sysfs)
- Args: 1 80057bf4 0 400179f0 0 0 0 */
- printk(KERN_DEBUG "in hpux_sysfs\n");
- printk(KERN_DEBUG "hpux_sysfs called with opcode = %d\n", opcode);
- printk(KERN_DEBUG "hpux_sysfs called with arg1='%lx'\n", arg1);
-
- if ( opcode == 1 ) { /* GETFSIND */
- char __user *user_fsname = (char __user *)arg1;
- len = strlen_user(user_fsname);
- printk(KERN_DEBUG "len of arg1 = %d\n", len);
- if (len == 0)
- return 0;
- fsname = kmalloc(len, GFP_KERNEL);
- if (!fsname) {
- printk(KERN_DEBUG "failed to kmalloc fsname\n");
- return 0;
- }
-
- if (copy_from_user(fsname, user_fsname, len)) {
- printk(KERN_DEBUG "failed to copy_from_user fsname\n");
- kfree(fsname);
- return 0;
- }
-
- /* String could be altered by userspace after strlen_user() */
- fsname[len - 1] = '\0';
-
- printk(KERN_DEBUG "that is '%s' as (char *)\n", fsname);
- if ( !strcmp(fsname, "hfs") ) {
- fstype = 0;
- } else {
- fstype = 0;
- }
-
- kfree(fsname);
-
- printk(KERN_DEBUG "returning fstype=%d\n", fstype);
- return fstype; /* something other than default */
- }
-
-
- return 0;
-}
-
-
-/* Table of syscall names and handle for unimplemented routines */
-static const char * const syscall_names[] = {
- "nosys", /* 0 */
- "exit",
- "fork",
- "read",
- "write",
- "open", /* 5 */
- "close",
- "wait",
- "creat",
- "link",
- "unlink", /* 10 */
- "execv",
- "chdir",
- "time",
- "mknod",
- "chmod", /* 15 */
- "chown",
- "brk",
- "lchmod",
- "lseek",
- "getpid", /* 20 */
- "mount",
- "umount",
- "setuid",
- "getuid",
- "stime", /* 25 */
- "ptrace",
- "alarm",
- NULL,
- "pause",
- "utime", /* 30 */
- "stty",
- "gtty",
- "access",
- "nice",
- "ftime", /* 35 */
- "sync",
- "kill",
- "stat",
- "setpgrp3",
- "lstat", /* 40 */
- "dup",
- "pipe",
- "times",
- "profil",
- "ki_call", /* 45 */
- "setgid",
- "getgid",
- NULL,
- NULL,
- NULL, /* 50 */
- "acct",
- "set_userthreadid",
- NULL,
- "ioctl",
- "reboot", /* 55 */
- "symlink",
- "utssys",
- "readlink",
- "execve",
- "umask", /* 60 */
- "chroot",
- "fcntl",
- "ulimit",
- NULL,
- NULL, /* 65 */
- "vfork",
- NULL,
- NULL,
- NULL,
- NULL, /* 70 */
- "mmap",
- NULL,
- "munmap",
- "mprotect",
- "madvise", /* 75 */
- "vhangup",
- "swapoff",
- NULL,
- "getgroups",
- "setgroups", /* 80 */
- "getpgrp2",
- "setpgid/setpgrp2",
- "setitimer",
- "wait3",
- "swapon", /* 85 */
- "getitimer",
- NULL,
- NULL,
- NULL,
- "dup2", /* 90 */
- NULL,
- "fstat",
- "select",
- NULL,
- "fsync", /* 95 */
- "setpriority",
- NULL,
- NULL,
- NULL,
- "getpriority", /* 100 */
- NULL,
- NULL,
- NULL,
- NULL,
- NULL, /* 105 */
- NULL,
- NULL,
- "sigvector",
- "sigblock",
- "sigsetmask", /* 110 */
- "sigpause",
- "sigstack",
- NULL,
- NULL,
- NULL, /* 115 */
- "gettimeofday",
- "getrusage",
- NULL,
- NULL,
- "readv", /* 120 */
- "writev",
- "settimeofday",
- "fchown",
- "fchmod",
- NULL, /* 125 */
- "setresuid",
- "setresgid",
- "rename",
- "truncate",
- "ftruncate", /* 130 */
- NULL,
- "sysconf",
- NULL,
- NULL,
- NULL, /* 135 */
- "mkdir",
- "rmdir",
- NULL,
- "sigcleanup",
- "setcore", /* 140 */
- NULL,
- "gethostid",
- "sethostid",
- "getrlimit",
- "setrlimit", /* 145 */
- NULL,
- NULL,
- "quotactl",
- "get_sysinfo",
- NULL, /* 150 */
- "privgrp",
- "rtprio",
- "plock",
- NULL,
- "lockf", /* 155 */
- "semget",
- NULL,
- "semop",
- "msgget",
- NULL, /* 160 */
- "msgsnd",
- "msgrcv",
- "shmget",
- NULL,
- "shmat", /* 165 */
- "shmdt",
- NULL,
- "csp/nsp_init",
- "cluster",
- "mkrnod", /* 170 */
- "test",
- "unsp_open",
- NULL,
- "getcontext",
- "osetcontext", /* 175 */
- "bigio",
- "pipenode",
- "lsync",
- "getmachineid",
- "cnodeid/mysite", /* 180 */
- "cnodes/sitels",
- "swapclients",
- "rmtprocess",
- "dskless_stats",
- "sigprocmask", /* 185 */
- "sigpending",
- "sigsuspend",
- "sigaction",
- NULL,
- "nfssvc", /* 190 */
- "getfh",
- "getdomainname",
- "setdomainname",
- "async_daemon",
- "getdirentries", /* 195 */
- NULL,
- NULL,
- "vfsmount",
- NULL,
- "waitpid", /* 200 */
- NULL,
- NULL,
- NULL,
- NULL,
- NULL, /* 205 */
- NULL,
- NULL,
- NULL,
- NULL,
- NULL, /* 210 */
- NULL,
- NULL,
- NULL,
- NULL,
- NULL, /* 215 */
- NULL,
- NULL,
- NULL,
- NULL,
- NULL, /* 220 */
- NULL,
- NULL,
- NULL,
- "sigsetreturn",
- "sigsetstatemask", /* 225 */
- "bfactl",
- "cs",
- "cds",
- NULL,
- "pathconf", /* 230 */
- "fpathconf",
- NULL,
- NULL,
- "nfs_fcntl",
- "ogetacl", /* 235 */
- "ofgetacl",
- "osetacl",
- "ofsetacl",
- "pstat",
- "getaudid", /* 240 */
- "setaudid",
- "getaudproc",
- "setaudproc",
- "getevent",
- "setevent", /* 245 */
- "audwrite",
- "audswitch",
- "audctl",
- "ogetaccess",
- "fsctl", /* 250 */
- "ulconnect",
- "ulcontrol",
- "ulcreate",
- "uldest",
- "ulrecv", /* 255 */
- "ulrecvcn",
- "ulsend",
- "ulshutdown",
- "swapfs",
- "fss", /* 260 */
- NULL,
- NULL,
- NULL,
- NULL,
- NULL, /* 265 */
- NULL,
- "tsync",
- "getnumfds",
- "poll",
- "getmsg", /* 270 */
- "putmsg",
- "fchdir",
- "getmount_cnt",
- "getmount_entry",
- "accept", /* 275 */
- "bind",
- "connect",
- "getpeername",
- "getsockname",
- "getsockopt", /* 280 */
- "listen",
- "recv",
- "recvfrom",
- "recvmsg",
- "send", /* 285 */
- "sendmsg",
- "sendto",
- "setsockopt",
- "shutdown",
- "socket", /* 290 */
- "socketpair",
- "proc_open",
- "proc_close",
- "proc_send",
- "proc_recv", /* 295 */
- "proc_sendrecv",
- "proc_syscall",
- "ipccreate",
- "ipcname",
- "ipcnamerase", /* 300 */
- "ipclookup",
- "ipcselect",
- "ipcconnect",
- "ipcrecvcn",
- "ipcsend", /* 305 */
- "ipcrecv",
- "ipcgetnodename",
- "ipcsetnodename",
- "ipccontrol",
- "ipcshutdown", /* 310 */
- "ipcdest",
- "semctl",
- "msgctl",
- "shmctl",
- "mpctl", /* 315 */
- "exportfs",
- "getpmsg",
- "putpmsg",
- "strioctl",
- "msync", /* 320 */
- "msleep",
- "mwakeup",
- "msem_init",
- "msem_remove",
- "adjtime", /* 325 */
- "kload",
- "fattach",
- "fdetach",
- "serialize",
- "statvfs", /* 330 */
- "fstatvfs",
- "lchown",
- "getsid",
- "sysfs",
- NULL, /* 335 */
- NULL,
- "sched_setparam",
- "sched_getparam",
- "sched_setscheduler",
- "sched_getscheduler", /* 340 */
- "sched_yield",
- "sched_get_priority_max",
- "sched_get_priority_min",
- "sched_rr_get_interval",
- "clock_settime", /* 345 */
- "clock_gettime",
- "clock_getres",
- "timer_create",
- "timer_delete",
- "timer_settime", /* 350 */
- "timer_gettime",
- "timer_getoverrun",
- "nanosleep",
- "toolbox",
- NULL, /* 355 */
- "getdents",
- "getcontext",
- "sysinfo",
- "fcntl64",
- "ftruncate64", /* 360 */
- "fstat64",
- "getdirentries64",
- "getrlimit64",
- "lockf64",
- "lseek64", /* 365 */
- "lstat64",
- "mmap64",
- "setrlimit64",
- "stat64",
- "truncate64", /* 370 */
- "ulimit64",
- NULL,
- NULL,
- NULL,
- NULL, /* 375 */
- NULL,
- NULL,
- NULL,
- NULL,
- "setcontext", /* 380 */
- "sigaltstack",
- "waitid",
- "setpgrp",
- "recvmsg2",
- "sendmsg2", /* 385 */
- "socket2",
- "socketpair2",
- "setregid",
- "lwp_create",
- "lwp_terminate", /* 390 */
- "lwp_wait",
- "lwp_suspend",
- "lwp_resume",
- "lwp_self",
- "lwp_abort_syscall", /* 395 */
- "lwp_info",
- "lwp_kill",
- "ksleep",
- "kwakeup",
- "ksleep_abort", /* 400 */
- "lwp_proc_info",
- "lwp_exit",
- "lwp_continue",
- "getacl",
- "fgetacl", /* 405 */
- "setacl",
- "fsetacl",
- "getaccess",
- "lwp_mutex_init",
- "lwp_mutex_lock_sys", /* 410 */
- "lwp_mutex_unlock",
- "lwp_cond_init",
- "lwp_cond_signal",
- "lwp_cond_broadcast",
- "lwp_cond_wait_sys", /* 415 */
- "lwp_getscheduler",
- "lwp_setscheduler",
- "lwp_getprivate",
- "lwp_setprivate",
- "lwp_detach", /* 420 */
- "mlock",
- "munlock",
- "mlockall",
- "munlockall",
- "shm_open", /* 425 */
- "shm_unlink",
- "sigqueue",
- "sigwaitinfo",
- "sigtimedwait",
- "sigwait", /* 430 */
- "aio_read",
- "aio_write",
- "lio_listio",
- "aio_error",
- "aio_return", /* 435 */
- "aio_cancel",
- "aio_suspend",
- "aio_fsync",
- "mq_open",
- "mq_unlink", /* 440 */
- "mq_send",
- "mq_receive",
- "mq_notify",
- "mq_setattr",
- "mq_getattr", /* 445 */
- "ksem_open",
- "ksem_unlink",
- "ksem_close",
- "ksem_destroy",
- "lw_sem_incr", /* 450 */
- "lw_sem_decr",
- "lw_sem_read",
- "mq_close",
-};
-static const int syscall_names_max = 453;
-
-int
-hpux_unimplemented(unsigned long arg1,unsigned long arg2,unsigned long arg3,
- unsigned long arg4,unsigned long arg5,unsigned long arg6,
- unsigned long arg7,unsigned long sc_num)
-{
- /* NOTE: sc_num trashes arg8 for the few syscalls that actually
- * have a valid 8th argument.
- */
- const char *name = NULL;
- if ( sc_num <= syscall_names_max && sc_num >= 0 ) {
- name = syscall_names[sc_num];
- }
-
- if ( name ) {
- printk(KERN_DEBUG "Unimplemented HP-UX syscall emulation. Syscall #%lu (%s)\n",
- sc_num, name);
- } else {
- printk(KERN_DEBUG "Unimplemented unknown HP-UX syscall emulation. Syscall #%lu\n",
- sc_num);
- }
-
- printk(KERN_DEBUG " Args: %lx %lx %lx %lx %lx %lx %lx\n",
- arg1, arg2, arg3, arg4, arg5, arg6, arg7);
-
- return -ENOSYS;
-}
diff --git a/arch/parisc/hpux/wrappers.S b/arch/parisc/hpux/wrappers.S
deleted file mode 100644
index 58c53c8..0000000
--- a/arch/parisc/hpux/wrappers.S
+++ /dev/null
@@ -1,250 +0,0 @@
-/*
- * Linux/PARISC Project (http://www.parisc-linux.org/)
- *
- * HP-UX System Call Wrapper routines and System Call Return Path
- *
- * Copyright (C) 2000 Hewlett-Packard (John Marvin)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#ifdef CONFIG_64BIT
-#warning PA64 support needs more work...did first cut
-#endif
-
-#include <asm/asm-offsets.h>
-#include <asm/assembly.h>
-#include <asm/signal.h>
-#include <linux/linkage.h>
-
- .level LEVEL
- .text
-
- /* These should probably go in a header file somewhere.
- * They are duplicated in kernel/wrappers.S
- * Possibly we should consider consolidating these
- * register save/restore macros.
- */
- .macro reg_save regs
-#ifdef CONFIG_64BIT
-#warning NEEDS WORK for 64-bit
-#endif
- STREG %r3, PT_GR3(\regs)
- STREG %r4, PT_GR4(\regs)
- STREG %r5, PT_GR5(\regs)
- STREG %r6, PT_GR6(\regs)
- STREG %r7, PT_GR7(\regs)
- STREG %r8, PT_GR8(\regs)
- STREG %r9, PT_GR9(\regs)
- STREG %r10,PT_GR10(\regs)
- STREG %r11,PT_GR11(\regs)
- STREG %r12,PT_GR12(\regs)
- STREG %r13,PT_GR13(\regs)
- STREG %r14,PT_GR14(\regs)
- STREG %r15,PT_GR15(\regs)
- STREG %r16,PT_GR16(\regs)
- STREG %r17,PT_GR17(\regs)
- STREG %r18,PT_GR18(\regs)
- .endm
-
- .macro reg_restore regs
- LDREG PT_GR3(\regs), %r3
- LDREG PT_GR4(\regs), %r4
- LDREG PT_GR5(\regs), %r5
- LDREG PT_GR6(\regs), %r6
- LDREG PT_GR7(\regs), %r7
- LDREG PT_GR8(\regs), %r8
- LDREG PT_GR9(\regs), %r9
- LDREG PT_GR10(\regs),%r10
- LDREG PT_GR11(\regs),%r11
- LDREG PT_GR12(\regs),%r12
- LDREG PT_GR13(\regs),%r13
- LDREG PT_GR14(\regs),%r14
- LDREG PT_GR15(\regs),%r15
- LDREG PT_GR16(\regs),%r16
- LDREG PT_GR17(\regs),%r17
- LDREG PT_GR18(\regs),%r18
- .endm
-
-
- .import sys_fork
-
-ENTRY(hpux_fork_wrapper)
- ldo TASK_REGS-TASK_SZ_ALGN-64(%r30),%r1 ;! get pt regs
- ;! pointer in task
- reg_save %r1
-
- STREG %r2,-20(%r30)
- ldo 64(%r30),%r30
- STREG %r2,PT_GR19(%r1) ;! save for child
- STREG %r30,PT_GR21(%r1) ;! save for child
-
- LDREG PT_GR30(%r1),%r25
- mtctl %r25,%cr29
- copy %r1,%r24
- bl sys_clone,%r2
- ldi SIGCHLD,%r26
-
- LDREG -84(%r30),%r2
-fork_return:
- ldo -64(%r30),%r30
- ldo TASK_REGS-TASK_SZ_ALGN-64(%r30),%r1 ;! get pt regs
-
- reg_restore %r1
-
- /*
- * HP-UX wants pid (child gets parent pid, parent gets child pid)
- * in r28 and a flag in r29 (r29 == 1 for child, 0 for parent).
- * Linux fork returns 0 for child, pid for parent. Since HP-UX
- * libc stub throws away parent pid and returns 0 for child,
- * we'll just return 0 for parent pid now. Only applications
- * that jump directly to the gateway page (not supported) will
- * know the difference. We can fix this later if necessary.
- */
-
- ldo -1024(%r0),%r1
- comb,>>=,n %r28,%r1,fork_exit /* just let the syscall exit handle it */
- or,= %r28,%r0,%r0
- or,tr %r0,%r0,%r29 /* r28 <> 0, we are parent, set r29 to 0 */
- ldo 1(%r0),%r29 /* r28 == 0, we are child, set r29 to 1 */
-
-fork_exit:
- bv %r0(%r2)
- nop
-ENDPROC(hpux_fork_wrapper)
-
- /* Set the return value for the child */
-
-ENTRY(hpux_child_return)
-#if defined(CONFIG_SMP) || defined(CONFIG_PREEMPT)
- bl,n schedule_tail, %r2
-#endif
-
- LDREG TASK_PT_GR19-TASK_SZ_ALGN-128(%r30),%r2
- b fork_return
- copy %r0,%r28
-ENDPROC(hpux_child_return)
-
- .import hpux_execve
-
-ENTRY(hpux_execv_wrapper)
- copy %r0,%r24 /* NULL environment */
-
-ENTRY(hpux_execve_wrapper)
-
- ldo TASK_REGS-TASK_SZ_ALGN-64(%r30),%r1 ;! get pt regs
-
- /*
- * Do we need to save/restore r3-r18 here?
- * I don't think so. why would new thread need old
- * threads registers?
- */
-
- /* Store arg0, arg1 and arg2 so that hpux_execve will find them */
-
- STREG %r26,PT_GR26(%r1)
- STREG %r25,PT_GR25(%r1)
- STREG %r24,PT_GR24(%r1)
-
- STREG %r2,-20(%r30)
- ldo 64(%r30),%r30
- bl hpux_execve,%r2
- copy %r1,%arg0
-
- ldo -64(%r30),%r30
- LDREG -20(%r30),%r2
-
- /* If exec succeeded we need to load the args */
-
- ldo -1024(%r0),%r1
- comb,>>= %r28,%r1,exec_error
- copy %r2,%r19
- ldo -TASK_SZ_ALGN-64(%r30),%r1 ;! get task ptr
- LDREG TASK_PT_GR26(%r1),%r26
- LDREG TASK_PT_GR25(%r1),%r25
- LDREG TASK_PT_GR24(%r1),%r24
- LDREG TASK_PT_GR23(%r1),%r23
- copy %r0,%r2 /* Flag to syscall_exit not to clear args */
-
-exec_error:
- bv %r0(%r19)
- nop
-ENDPROC(hpux_execv_wrapper)
-
- .import hpux_pipe
-
- /* HP-UX expects pipefd's returned in r28 & r29 */
-
-ENTRY(hpux_pipe_wrapper)
- STREG %r2,-20(%r30)
- ldo 64(%r30),%r30
- bl hpux_pipe,%r2
- ldo -56(%r30),%r26 /* pass local array to hpux_pipe */
-
-
- ldo -1024(%r0),%r1
- comb,>>= %r28,%r1,pipe_exit /* let syscall exit handle it */
- LDREG -84(%r30),%r2
-
- /* if success, load fd's from stack array */
-
- LDREG -56(%r30),%r28
- LDREG -52(%r30),%r29
-
-pipe_exit:
- bv %r0(%r2)
- ldo -64(%r30),%r30
-ENDPROC(hpux_pipe_wrapper)
-
- .import syscall_exit
-
-ENTRY(hpux_syscall_exit)
- /*
- *
- * HP-UX call return conventions:
- *
- * if error:
- * r22 = 1
- * r28 = errno value
- * r29 = secondary return value
- * else
- * r22 = 0
- * r28 = return value
- * r29 = secondary return value
- *
- * For now, we'll just check to see if r28 is < (unsigned long)-1024
- * (to handle addresses > 2 Gb) and if so set r22 to zero. If not,
- * we'll complement r28 and set r22 to 1. Wrappers will be
- * needed for syscalls that care about the secondary return value.
- * The wrapper may also need a way of avoiding the following code,
- * but we'll deal with that when it becomes necessary.
- */
-
- ldo -1024(%r0),%r1
- comb,<< %r28,%r1,no_error
- copy %r0,%r22
- subi 0,%r28,%r28
- ldo 1(%r0),%r22
-
-no_error:
- b,n syscall_exit
-ENDPROC(hpux_syscall_exit)
-
- .import hpux_unimplemented
-
-ENTRY(hpux_unimplemented_wrapper)
- b hpux_unimplemented
- STREG %r22,-64(%r30) /* overwrite arg8 with syscall number */
-ENDPROC(hpux_unimplemented_wrapper)
diff --git a/arch/parisc/include/asm/processor.h b/arch/parisc/include/asm/processor.h
index 689a8ad..54adb60 100644
--- a/arch/parisc/include/asm/processor.h
+++ b/arch/parisc/include/asm/processor.h
@@ -330,8 +330,6 @@
/* Free all resources held by a thread. */
extern void release_thread(struct task_struct *);
-extern void map_hpux_gateway_page(struct task_struct *tsk, struct mm_struct *mm);
-
extern unsigned long get_wchan(struct task_struct *p);
#define KSTK_EIP(tsk) ((tsk)->thread.regs.iaoq[0])
diff --git a/arch/parisc/include/asm/uaccess.h b/arch/parisc/include/asm/uaccess.h
index a5cb070..0abdd4c 100644
--- a/arch/parisc/include/asm/uaccess.h
+++ b/arch/parisc/include/asm/uaccess.h
@@ -17,7 +17,7 @@
#define KERNEL_DS ((mm_segment_t){0})
#define USER_DS ((mm_segment_t){1})
-#define segment_eq(a,b) ((a).seg == (b).seg)
+#define segment_eq(a, b) ((a).seg == (b).seg)
#define get_ds() (KERNEL_DS)
#define get_fs() (current_thread_info()->addr_limit)
@@ -42,14 +42,14 @@
#if !defined(CONFIG_64BIT)
#define LDD_KERNEL(ptr) BUILD_BUG()
#define LDD_USER(ptr) BUILD_BUG()
-#define STD_KERNEL(x, ptr) __put_kernel_asm64(x,ptr)
-#define STD_USER(x, ptr) __put_user_asm64(x,ptr)
+#define STD_KERNEL(x, ptr) __put_kernel_asm64(x, ptr)
+#define STD_USER(x, ptr) __put_user_asm64(x, ptr)
#define ASM_WORD_INSN ".word\t"
#else
-#define LDD_KERNEL(ptr) __get_kernel_asm("ldd",ptr)
-#define LDD_USER(ptr) __get_user_asm("ldd",ptr)
-#define STD_KERNEL(x, ptr) __put_kernel_asm("std",x,ptr)
-#define STD_USER(x, ptr) __put_user_asm("std",x,ptr)
+#define LDD_KERNEL(ptr) __get_kernel_asm("ldd", ptr)
+#define LDD_USER(ptr) __get_user_asm("ldd", ptr)
+#define STD_KERNEL(x, ptr) __put_kernel_asm("std", x, ptr)
+#define STD_USER(x, ptr) __put_user_asm("std", x, ptr)
#define ASM_WORD_INSN ".dword\t"
#endif
@@ -80,68 +80,68 @@
unsigned long fault_addr;
};
-#define __get_user(x,ptr) \
-({ \
- register long __gu_err __asm__ ("r8") = 0; \
- register long __gu_val __asm__ ("r9") = 0; \
- \
- if (segment_eq(get_fs(),KERNEL_DS)) { \
- switch (sizeof(*(ptr))) { \
- case 1: __get_kernel_asm("ldb",ptr); break; \
- case 2: __get_kernel_asm("ldh",ptr); break; \
- case 4: __get_kernel_asm("ldw",ptr); break; \
- case 8: LDD_KERNEL(ptr); break; \
- default: BUILD_BUG(); break; \
- } \
- } \
- else { \
- switch (sizeof(*(ptr))) { \
- case 1: __get_user_asm("ldb",ptr); break; \
- case 2: __get_user_asm("ldh",ptr); break; \
- case 4: __get_user_asm("ldw",ptr); break; \
- case 8: LDD_USER(ptr); break; \
- default: BUILD_BUG(); break; \
- } \
- } \
- \
- (x) = (__typeof__(*(ptr))) __gu_val; \
- __gu_err; \
+#define __get_user(x, ptr) \
+({ \
+ register long __gu_err __asm__ ("r8") = 0; \
+ register long __gu_val __asm__ ("r9") = 0; \
+ \
+ if (segment_eq(get_fs(), KERNEL_DS)) { \
+ switch (sizeof(*(ptr))) { \
+ case 1: __get_kernel_asm("ldb", ptr); break; \
+ case 2: __get_kernel_asm("ldh", ptr); break; \
+ case 4: __get_kernel_asm("ldw", ptr); break; \
+ case 8: LDD_KERNEL(ptr); break; \
+ default: BUILD_BUG(); break; \
+ } \
+ } \
+ else { \
+ switch (sizeof(*(ptr))) { \
+ case 1: __get_user_asm("ldb", ptr); break; \
+ case 2: __get_user_asm("ldh", ptr); break; \
+ case 4: __get_user_asm("ldw", ptr); break; \
+ case 8: LDD_USER(ptr); break; \
+ default: BUILD_BUG(); break; \
+ } \
+ } \
+ \
+ (x) = (__force __typeof__(*(ptr))) __gu_val; \
+ __gu_err; \
})
-#define __get_kernel_asm(ldx,ptr) \
+#define __get_kernel_asm(ldx, ptr) \
__asm__("\n1:\t" ldx "\t0(%2),%0\n\t" \
ASM_EXCEPTIONTABLE_ENTRY(1b, fixup_get_user_skip_1)\
: "=r"(__gu_val), "=r"(__gu_err) \
: "r"(ptr), "1"(__gu_err) \
: "r1");
-#define __get_user_asm(ldx,ptr) \
+#define __get_user_asm(ldx, ptr) \
__asm__("\n1:\t" ldx "\t0(%%sr3,%2),%0\n\t" \
- ASM_EXCEPTIONTABLE_ENTRY(1b,fixup_get_user_skip_1)\
+ ASM_EXCEPTIONTABLE_ENTRY(1b, fixup_get_user_skip_1)\
: "=r"(__gu_val), "=r"(__gu_err) \
: "r"(ptr), "1"(__gu_err) \
: "r1");
-#define __put_user(x,ptr) \
+#define __put_user(x, ptr) \
({ \
register long __pu_err __asm__ ("r8") = 0; \
__typeof__(*(ptr)) __x = (__typeof__(*(ptr)))(x); \
\
- if (segment_eq(get_fs(),KERNEL_DS)) { \
+ if (segment_eq(get_fs(), KERNEL_DS)) { \
switch (sizeof(*(ptr))) { \
- case 1: __put_kernel_asm("stb",__x,ptr); break; \
- case 2: __put_kernel_asm("sth",__x,ptr); break; \
- case 4: __put_kernel_asm("stw",__x,ptr); break; \
- case 8: STD_KERNEL(__x,ptr); break; \
+ case 1: __put_kernel_asm("stb", __x, ptr); break; \
+ case 2: __put_kernel_asm("sth", __x, ptr); break; \
+ case 4: __put_kernel_asm("stw", __x, ptr); break; \
+ case 8: STD_KERNEL(__x, ptr); break; \
default: BUILD_BUG(); break; \
} \
} \
else { \
switch (sizeof(*(ptr))) { \
- case 1: __put_user_asm("stb",__x,ptr); break; \
- case 2: __put_user_asm("sth",__x,ptr); break; \
- case 4: __put_user_asm("stw",__x,ptr); break; \
- case 8: STD_USER(__x,ptr); break; \
+ case 1: __put_user_asm("stb", __x, ptr); break; \
+ case 2: __put_user_asm("sth", __x, ptr); break; \
+ case 4: __put_user_asm("stw", __x, ptr); break; \
+ case 8: STD_USER(__x, ptr); break; \
default: BUILD_BUG(); break; \
} \
} \
@@ -159,18 +159,18 @@
* r8/r9 are already listed as err/val.
*/
-#define __put_kernel_asm(stx,x,ptr) \
+#define __put_kernel_asm(stx, x, ptr) \
__asm__ __volatile__ ( \
"\n1:\t" stx "\t%2,0(%1)\n\t" \
- ASM_EXCEPTIONTABLE_ENTRY(1b,fixup_put_user_skip_1)\
+ ASM_EXCEPTIONTABLE_ENTRY(1b, fixup_put_user_skip_1)\
: "=r"(__pu_err) \
: "r"(ptr), "r"(x), "0"(__pu_err) \
: "r1")
-#define __put_user_asm(stx,x,ptr) \
+#define __put_user_asm(stx, x, ptr) \
__asm__ __volatile__ ( \
"\n1:\t" stx "\t%2,0(%%sr3,%1)\n\t" \
- ASM_EXCEPTIONTABLE_ENTRY(1b,fixup_put_user_skip_1)\
+ ASM_EXCEPTIONTABLE_ENTRY(1b, fixup_put_user_skip_1)\
: "=r"(__pu_err) \
: "r"(ptr), "r"(x), "0"(__pu_err) \
: "r1")
@@ -178,23 +178,23 @@
#if !defined(CONFIG_64BIT)
-#define __put_kernel_asm64(__val,ptr) do { \
+#define __put_kernel_asm64(__val, ptr) do { \
__asm__ __volatile__ ( \
"\n1:\tstw %2,0(%1)" \
"\n2:\tstw %R2,4(%1)\n\t" \
- ASM_EXCEPTIONTABLE_ENTRY(1b,fixup_put_user_skip_2)\
- ASM_EXCEPTIONTABLE_ENTRY(2b,fixup_put_user_skip_1)\
+ ASM_EXCEPTIONTABLE_ENTRY(1b, fixup_put_user_skip_2)\
+ ASM_EXCEPTIONTABLE_ENTRY(2b, fixup_put_user_skip_1)\
: "=r"(__pu_err) \
: "r"(ptr), "r"(__val), "0"(__pu_err) \
: "r1"); \
} while (0)
-#define __put_user_asm64(__val,ptr) do { \
+#define __put_user_asm64(__val, ptr) do { \
__asm__ __volatile__ ( \
"\n1:\tstw %2,0(%%sr3,%1)" \
"\n2:\tstw %R2,4(%%sr3,%1)\n\t" \
- ASM_EXCEPTIONTABLE_ENTRY(1b,fixup_put_user_skip_2)\
- ASM_EXCEPTIONTABLE_ENTRY(2b,fixup_put_user_skip_1)\
+ ASM_EXCEPTIONTABLE_ENTRY(1b, fixup_put_user_skip_2)\
+ ASM_EXCEPTIONTABLE_ENTRY(2b, fixup_put_user_skip_1)\
: "=r"(__pu_err) \
: "r"(ptr), "r"(__val), "0"(__pu_err) \
: "r1"); \
@@ -211,8 +211,8 @@
extern unsigned long lcopy_from_user(void *, const void __user *, unsigned long);
extern unsigned long lcopy_in_user(void __user *, const void __user *, unsigned long);
extern long strncpy_from_user(char *, const char __user *, long);
-extern unsigned lclear_user(void __user *,unsigned long);
-extern long lstrnlen_user(const char __user *,long);
+extern unsigned lclear_user(void __user *, unsigned long);
+extern long lstrnlen_user(const char __user *, long);
/*
* Complex access routines -- macros
*/
diff --git a/arch/parisc/include/uapi/asm/unistd.h b/arch/parisc/include/uapi/asm/unistd.h
index 5f5c037..2e639d7 100644
--- a/arch/parisc/include/uapi/asm/unistd.h
+++ b/arch/parisc/include/uapi/asm/unistd.h
@@ -2,480 +2,6 @@
#define _UAPI_ASM_PARISC_UNISTD_H_
/*
- * This file contains the system call numbers.
- */
-
-/*
- * HP-UX system calls get their native numbers for binary compatibility.
- */
-
-#define __NR_HPUX_exit 1
-#define __NR_HPUX_fork 2
-#define __NR_HPUX_read 3
-#define __NR_HPUX_write 4
-#define __NR_HPUX_open 5
-#define __NR_HPUX_close 6
-#define __NR_HPUX_wait 7
-#define __NR_HPUX_creat 8
-#define __NR_HPUX_link 9
-#define __NR_HPUX_unlink 10
-#define __NR_HPUX_execv 11
-#define __NR_HPUX_chdir 12
-#define __NR_HPUX_time 13
-#define __NR_HPUX_mknod 14
-#define __NR_HPUX_chmod 15
-#define __NR_HPUX_chown 16
-#define __NR_HPUX_break 17
-#define __NR_HPUX_lchmod 18
-#define __NR_HPUX_lseek 19
-#define __NR_HPUX_getpid 20
-#define __NR_HPUX_mount 21
-#define __NR_HPUX_umount 22
-#define __NR_HPUX_setuid 23
-#define __NR_HPUX_getuid 24
-#define __NR_HPUX_stime 25
-#define __NR_HPUX_ptrace 26
-#define __NR_HPUX_alarm 27
-#define __NR_HPUX_oldfstat 28
-#define __NR_HPUX_pause 29
-#define __NR_HPUX_utime 30
-#define __NR_HPUX_stty 31
-#define __NR_HPUX_gtty 32
-#define __NR_HPUX_access 33
-#define __NR_HPUX_nice 34
-#define __NR_HPUX_ftime 35
-#define __NR_HPUX_sync 36
-#define __NR_HPUX_kill 37
-#define __NR_HPUX_stat 38
-#define __NR_HPUX_setpgrp3 39
-#define __NR_HPUX_lstat 40
-#define __NR_HPUX_dup 41
-#define __NR_HPUX_pipe 42
-#define __NR_HPUX_times 43
-#define __NR_HPUX_profil 44
-#define __NR_HPUX_ki_call 45
-#define __NR_HPUX_setgid 46
-#define __NR_HPUX_getgid 47
-#define __NR_HPUX_sigsys 48
-#define __NR_HPUX_reserved1 49
-#define __NR_HPUX_reserved2 50
-#define __NR_HPUX_acct 51
-#define __NR_HPUX_set_userthreadid 52
-#define __NR_HPUX_oldlock 53
-#define __NR_HPUX_ioctl 54
-#define __NR_HPUX_reboot 55
-#define __NR_HPUX_symlink 56
-#define __NR_HPUX_utssys 57
-#define __NR_HPUX_readlink 58
-#define __NR_HPUX_execve 59
-#define __NR_HPUX_umask 60
-#define __NR_HPUX_chroot 61
-#define __NR_HPUX_fcntl 62
-#define __NR_HPUX_ulimit 63
-#define __NR_HPUX_getpagesize 64
-#define __NR_HPUX_mremap 65
-#define __NR_HPUX_vfork 66
-#define __NR_HPUX_vread 67
-#define __NR_HPUX_vwrite 68
-#define __NR_HPUX_sbrk 69
-#define __NR_HPUX_sstk 70
-#define __NR_HPUX_mmap 71
-#define __NR_HPUX_vadvise 72
-#define __NR_HPUX_munmap 73
-#define __NR_HPUX_mprotect 74
-#define __NR_HPUX_madvise 75
-#define __NR_HPUX_vhangup 76
-#define __NR_HPUX_swapoff 77
-#define __NR_HPUX_mincore 78
-#define __NR_HPUX_getgroups 79
-#define __NR_HPUX_setgroups 80
-#define __NR_HPUX_getpgrp2 81
-#define __NR_HPUX_setpgrp2 82
-#define __NR_HPUX_setitimer 83
-#define __NR_HPUX_wait3 84
-#define __NR_HPUX_swapon 85
-#define __NR_HPUX_getitimer 86
-#define __NR_HPUX_gethostname42 87
-#define __NR_HPUX_sethostname42 88
-#define __NR_HPUX_getdtablesize 89
-#define __NR_HPUX_dup2 90
-#define __NR_HPUX_getdopt 91
-#define __NR_HPUX_fstat 92
-#define __NR_HPUX_select 93
-#define __NR_HPUX_setdopt 94
-#define __NR_HPUX_fsync 95
-#define __NR_HPUX_setpriority 96
-#define __NR_HPUX_socket_old 97
-#define __NR_HPUX_connect_old 98
-#define __NR_HPUX_accept_old 99
-#define __NR_HPUX_getpriority 100
-#define __NR_HPUX_send_old 101
-#define __NR_HPUX_recv_old 102
-#define __NR_HPUX_socketaddr_old 103
-#define __NR_HPUX_bind_old 104
-#define __NR_HPUX_setsockopt_old 105
-#define __NR_HPUX_listen_old 106
-#define __NR_HPUX_vtimes_old 107
-#define __NR_HPUX_sigvector 108
-#define __NR_HPUX_sigblock 109
-#define __NR_HPUX_siggetmask 110
-#define __NR_HPUX_sigpause 111
-#define __NR_HPUX_sigstack 112
-#define __NR_HPUX_recvmsg_old 113
-#define __NR_HPUX_sendmsg_old 114
-#define __NR_HPUX_vtrace_old 115
-#define __NR_HPUX_gettimeofday 116
-#define __NR_HPUX_getrusage 117
-#define __NR_HPUX_getsockopt_old 118
-#define __NR_HPUX_resuba_old 119
-#define __NR_HPUX_readv 120
-#define __NR_HPUX_writev 121
-#define __NR_HPUX_settimeofday 122
-#define __NR_HPUX_fchown 123
-#define __NR_HPUX_fchmod 124
-#define __NR_HPUX_recvfrom_old 125
-#define __NR_HPUX_setresuid 126
-#define __NR_HPUX_setresgid 127
-#define __NR_HPUX_rename 128
-#define __NR_HPUX_truncate 129
-#define __NR_HPUX_ftruncate 130
-#define __NR_HPUX_flock_old 131
-#define __NR_HPUX_sysconf 132
-#define __NR_HPUX_sendto_old 133
-#define __NR_HPUX_shutdown_old 134
-#define __NR_HPUX_socketpair_old 135
-#define __NR_HPUX_mkdir 136
-#define __NR_HPUX_rmdir 137
-#define __NR_HPUX_utimes_old 138
-#define __NR_HPUX_sigcleanup_old 139
-#define __NR_HPUX_setcore 140
-#define __NR_HPUX_getpeername_old 141
-#define __NR_HPUX_gethostid 142
-#define __NR_HPUX_sethostid 143
-#define __NR_HPUX_getrlimit 144
-#define __NR_HPUX_setrlimit 145
-#define __NR_HPUX_killpg_old 146
-#define __NR_HPUX_cachectl 147
-#define __NR_HPUX_quotactl 148
-#define __NR_HPUX_get_sysinfo 149
-#define __NR_HPUX_getsockname_old 150
-#define __NR_HPUX_privgrp 151
-#define __NR_HPUX_rtprio 152
-#define __NR_HPUX_plock 153
-#define __NR_HPUX_reserved3 154
-#define __NR_HPUX_lockf 155
-#define __NR_HPUX_semget 156
-#define __NR_HPUX_osemctl 157
-#define __NR_HPUX_semop 158
-#define __NR_HPUX_msgget 159
-#define __NR_HPUX_omsgctl 160
-#define __NR_HPUX_msgsnd 161
-#define __NR_HPUX_msgrecv 162
-#define __NR_HPUX_shmget 163
-#define __NR_HPUX_oshmctl 164
-#define __NR_HPUX_shmat 165
-#define __NR_HPUX_shmdt 166
-#define __NR_HPUX_m68020_advise 167
-/* [168,189] are for Discless/DUX */
-#define __NR_HPUX_csp 168
-#define __NR_HPUX_cluster 169
-#define __NR_HPUX_mkrnod 170
-#define __NR_HPUX_test 171
-#define __NR_HPUX_unsp_open 172
-#define __NR_HPUX_reserved4 173
-#define __NR_HPUX_getcontext_old 174
-#define __NR_HPUX_osetcontext 175
-#define __NR_HPUX_bigio 176
-#define __NR_HPUX_pipenode 177
-#define __NR_HPUX_lsync 178
-#define __NR_HPUX_getmachineid 179
-#define __NR_HPUX_cnodeid 180
-#define __NR_HPUX_cnodes 181
-#define __NR_HPUX_swapclients 182
-#define __NR_HPUX_rmt_process 183
-#define __NR_HPUX_dskless_stats 184
-#define __NR_HPUX_sigprocmask 185
-#define __NR_HPUX_sigpending 186
-#define __NR_HPUX_sigsuspend 187
-#define __NR_HPUX_sigaction 188
-#define __NR_HPUX_reserved5 189
-#define __NR_HPUX_nfssvc 190
-#define __NR_HPUX_getfh 191
-#define __NR_HPUX_getdomainname 192
-#define __NR_HPUX_setdomainname 193
-#define __NR_HPUX_async_daemon 194
-#define __NR_HPUX_getdirentries 195
-#define __NR_HPUX_statfs 196
-#define __NR_HPUX_fstatfs 197
-#define __NR_HPUX_vfsmount 198
-#define __NR_HPUX_reserved6 199
-#define __NR_HPUX_waitpid 200
-/* 201 - 223 missing */
-#define __NR_HPUX_sigsetreturn 224
-#define __NR_HPUX_sigsetstatemask 225
-/* 226 missing */
-#define __NR_HPUX_cs 227
-#define __NR_HPUX_cds 228
-#define __NR_HPUX_set_no_trunc 229
-#define __NR_HPUX_pathconf 230
-#define __NR_HPUX_fpathconf 231
-/* 232, 233 missing */
-#define __NR_HPUX_nfs_fcntl 234
-#define __NR_HPUX_ogetacl 235
-#define __NR_HPUX_ofgetacl 236
-#define __NR_HPUX_osetacl 237
-#define __NR_HPUX_ofsetacl 238
-#define __NR_HPUX_pstat 239
-#define __NR_HPUX_getaudid 240
-#define __NR_HPUX_setaudid 241
-#define __NR_HPUX_getaudproc 242
-#define __NR_HPUX_setaudproc 243
-#define __NR_HPUX_getevent 244
-#define __NR_HPUX_setevent 245
-#define __NR_HPUX_audwrite 246
-#define __NR_HPUX_audswitch 247
-#define __NR_HPUX_audctl 248
-#define __NR_HPUX_ogetaccess 249
-#define __NR_HPUX_fsctl 250
-/* 251 - 258 missing */
-#define __NR_HPUX_swapfs 259
-#define __NR_HPUX_fss 260
-/* 261 - 266 missing */
-#define __NR_HPUX_tsync 267
-#define __NR_HPUX_getnumfds 268
-#define __NR_HPUX_poll 269
-#define __NR_HPUX_getmsg 270
-#define __NR_HPUX_putmsg 271
-#define __NR_HPUX_fchdir 272
-#define __NR_HPUX_getmount_cnt 273
-#define __NR_HPUX_getmount_entry 274
-#define __NR_HPUX_accept 275
-#define __NR_HPUX_bind 276
-#define __NR_HPUX_connect 277
-#define __NR_HPUX_getpeername 278
-#define __NR_HPUX_getsockname 279
-#define __NR_HPUX_getsockopt 280
-#define __NR_HPUX_listen 281
-#define __NR_HPUX_recv 282
-#define __NR_HPUX_recvfrom 283
-#define __NR_HPUX_recvmsg 284
-#define __NR_HPUX_send 285
-#define __NR_HPUX_sendmsg 286
-#define __NR_HPUX_sendto 287
-#define __NR_HPUX_setsockopt 288
-#define __NR_HPUX_shutdown 289
-#define __NR_HPUX_socket 290
-#define __NR_HPUX_socketpair 291
-#define __NR_HPUX_proc_open 292
-#define __NR_HPUX_proc_close 293
-#define __NR_HPUX_proc_send 294
-#define __NR_HPUX_proc_recv 295
-#define __NR_HPUX_proc_sendrecv 296
-#define __NR_HPUX_proc_syscall 297
-/* 298 - 311 missing */
-#define __NR_HPUX_semctl 312
-#define __NR_HPUX_msgctl 313
-#define __NR_HPUX_shmctl 314
-#define __NR_HPUX_mpctl 315
-#define __NR_HPUX_exportfs 316
-#define __NR_HPUX_getpmsg 317
-#define __NR_HPUX_putpmsg 318
-/* 319 missing */
-#define __NR_HPUX_msync 320
-#define __NR_HPUX_msleep 321
-#define __NR_HPUX_mwakeup 322
-#define __NR_HPUX_msem_init 323
-#define __NR_HPUX_msem_remove 324
-#define __NR_HPUX_adjtime 325
-#define __NR_HPUX_kload 326
-#define __NR_HPUX_fattach 327
-#define __NR_HPUX_fdetach 328
-#define __NR_HPUX_serialize 329
-#define __NR_HPUX_statvfs 330
-#define __NR_HPUX_fstatvfs 331
-#define __NR_HPUX_lchown 332
-#define __NR_HPUX_getsid 333
-#define __NR_HPUX_sysfs 334
-/* 335, 336 missing */
-#define __NR_HPUX_sched_setparam 337
-#define __NR_HPUX_sched_getparam 338
-#define __NR_HPUX_sched_setscheduler 339
-#define __NR_HPUX_sched_getscheduler 340
-#define __NR_HPUX_sched_yield 341
-#define __NR_HPUX_sched_get_priority_max 342
-#define __NR_HPUX_sched_get_priority_min 343
-#define __NR_HPUX_sched_rr_get_interval 344
-#define __NR_HPUX_clock_settime 345
-#define __NR_HPUX_clock_gettime 346
-#define __NR_HPUX_clock_getres 347
-#define __NR_HPUX_timer_create 348
-#define __NR_HPUX_timer_delete 349
-#define __NR_HPUX_timer_settime 350
-#define __NR_HPUX_timer_gettime 351
-#define __NR_HPUX_timer_getoverrun 352
-#define __NR_HPUX_nanosleep 353
-#define __NR_HPUX_toolbox 354
-/* 355 missing */
-#define __NR_HPUX_getdents 356
-#define __NR_HPUX_getcontext 357
-#define __NR_HPUX_sysinfo 358
-#define __NR_HPUX_fcntl64 359
-#define __NR_HPUX_ftruncate64 360
-#define __NR_HPUX_fstat64 361
-#define __NR_HPUX_getdirentries64 362
-#define __NR_HPUX_getrlimit64 363
-#define __NR_HPUX_lockf64 364
-#define __NR_HPUX_lseek64 365
-#define __NR_HPUX_lstat64 366
-#define __NR_HPUX_mmap64 367
-#define __NR_HPUX_setrlimit64 368
-#define __NR_HPUX_stat64 369
-#define __NR_HPUX_truncate64 370
-#define __NR_HPUX_ulimit64 371
-#define __NR_HPUX_pread 372
-#define __NR_HPUX_preadv 373
-#define __NR_HPUX_pwrite 374
-#define __NR_HPUX_pwritev 375
-#define __NR_HPUX_pread64 376
-#define __NR_HPUX_preadv64 377
-#define __NR_HPUX_pwrite64 378
-#define __NR_HPUX_pwritev64 379
-#define __NR_HPUX_setcontext 380
-#define __NR_HPUX_sigaltstack 381
-#define __NR_HPUX_waitid 382
-#define __NR_HPUX_setpgrp 383
-#define __NR_HPUX_recvmsg2 384
-#define __NR_HPUX_sendmsg2 385
-#define __NR_HPUX_socket2 386
-#define __NR_HPUX_socketpair2 387
-#define __NR_HPUX_setregid 388
-#define __NR_HPUX_lwp_create 389
-#define __NR_HPUX_lwp_terminate 390
-#define __NR_HPUX_lwp_wait 391
-#define __NR_HPUX_lwp_suspend 392
-#define __NR_HPUX_lwp_resume 393
-/* 394 missing */
-#define __NR_HPUX_lwp_abort_syscall 395
-#define __NR_HPUX_lwp_info 396
-#define __NR_HPUX_lwp_kill 397
-#define __NR_HPUX_ksleep 398
-#define __NR_HPUX_kwakeup 399
-/* 400 missing */
-#define __NR_HPUX_pstat_getlwp 401
-#define __NR_HPUX_lwp_exit 402
-#define __NR_HPUX_lwp_continue 403
-#define __NR_HPUX_getacl 404
-#define __NR_HPUX_fgetacl 405
-#define __NR_HPUX_setacl 406
-#define __NR_HPUX_fsetacl 407
-#define __NR_HPUX_getaccess 408
-#define __NR_HPUX_lwp_mutex_init 409
-#define __NR_HPUX_lwp_mutex_lock_sys 410
-#define __NR_HPUX_lwp_mutex_unlock 411
-#define __NR_HPUX_lwp_cond_init 412
-#define __NR_HPUX_lwp_cond_signal 413
-#define __NR_HPUX_lwp_cond_broadcast 414
-#define __NR_HPUX_lwp_cond_wait_sys 415
-#define __NR_HPUX_lwp_getscheduler 416
-#define __NR_HPUX_lwp_setscheduler 417
-#define __NR_HPUX_lwp_getstate 418
-#define __NR_HPUX_lwp_setstate 419
-#define __NR_HPUX_lwp_detach 420
-#define __NR_HPUX_mlock 421
-#define __NR_HPUX_munlock 422
-#define __NR_HPUX_mlockall 423
-#define __NR_HPUX_munlockall 424
-#define __NR_HPUX_shm_open 425
-#define __NR_HPUX_shm_unlink 426
-#define __NR_HPUX_sigqueue 427
-#define __NR_HPUX_sigwaitinfo 428
-#define __NR_HPUX_sigtimedwait 429
-#define __NR_HPUX_sigwait 430
-#define __NR_HPUX_aio_read 431
-#define __NR_HPUX_aio_write 432
-#define __NR_HPUX_lio_listio 433
-#define __NR_HPUX_aio_error 434
-#define __NR_HPUX_aio_return 435
-#define __NR_HPUX_aio_cancel 436
-#define __NR_HPUX_aio_suspend 437
-#define __NR_HPUX_aio_fsync 438
-#define __NR_HPUX_mq_open 439
-#define __NR_HPUX_mq_close 440
-#define __NR_HPUX_mq_unlink 441
-#define __NR_HPUX_mq_send 442
-#define __NR_HPUX_mq_receive 443
-#define __NR_HPUX_mq_notify 444
-#define __NR_HPUX_mq_setattr 445
-#define __NR_HPUX_mq_getattr 446
-#define __NR_HPUX_ksem_open 447
-#define __NR_HPUX_ksem_unlink 448
-#define __NR_HPUX_ksem_close 449
-#define __NR_HPUX_ksem_post 450
-#define __NR_HPUX_ksem_wait 451
-#define __NR_HPUX_ksem_read 452
-#define __NR_HPUX_ksem_trywait 453
-#define __NR_HPUX_lwp_rwlock_init 454
-#define __NR_HPUX_lwp_rwlock_destroy 455
-#define __NR_HPUX_lwp_rwlock_rdlock_sys 456
-#define __NR_HPUX_lwp_rwlock_wrlock_sys 457
-#define __NR_HPUX_lwp_rwlock_tryrdlock 458
-#define __NR_HPUX_lwp_rwlock_trywrlock 459
-#define __NR_HPUX_lwp_rwlock_unlock 460
-#define __NR_HPUX_ttrace 461
-#define __NR_HPUX_ttrace_wait 462
-#define __NR_HPUX_lf_wire_mem 463
-#define __NR_HPUX_lf_unwire_mem 464
-#define __NR_HPUX_lf_send_pin_map 465
-#define __NR_HPUX_lf_free_buf 466
-#define __NR_HPUX_lf_wait_nq 467
-#define __NR_HPUX_lf_wakeup_conn_q 468
-#define __NR_HPUX_lf_unused 469
-#define __NR_HPUX_lwp_sema_init 470
-#define __NR_HPUX_lwp_sema_post 471
-#define __NR_HPUX_lwp_sema_wait 472
-#define __NR_HPUX_lwp_sema_trywait 473
-#define __NR_HPUX_lwp_sema_destroy 474
-#define __NR_HPUX_statvfs64 475
-#define __NR_HPUX_fstatvfs64 476
-#define __NR_HPUX_msh_register 477
-#define __NR_HPUX_ptrace64 478
-#define __NR_HPUX_sendfile 479
-#define __NR_HPUX_sendpath 480
-#define __NR_HPUX_sendfile64 481
-#define __NR_HPUX_sendpath64 482
-#define __NR_HPUX_modload 483
-#define __NR_HPUX_moduload 484
-#define __NR_HPUX_modpath 485
-#define __NR_HPUX_getksym 486
-#define __NR_HPUX_modadm 487
-#define __NR_HPUX_modstat 488
-#define __NR_HPUX_lwp_detached_exit 489
-#define __NR_HPUX_crashconf 490
-#define __NR_HPUX_siginhibit 491
-#define __NR_HPUX_sigenable 492
-#define __NR_HPUX_spuctl 493
-#define __NR_HPUX_zerokernelsum 494
-#define __NR_HPUX_nfs_kstat 495
-#define __NR_HPUX_aio_read64 496
-#define __NR_HPUX_aio_write64 497
-#define __NR_HPUX_aio_error64 498
-#define __NR_HPUX_aio_return64 499
-#define __NR_HPUX_aio_cancel64 500
-#define __NR_HPUX_aio_suspend64 501
-#define __NR_HPUX_aio_fsync64 502
-#define __NR_HPUX_lio_listio64 503
-#define __NR_HPUX_recv2 504
-#define __NR_HPUX_recvfrom2 505
-#define __NR_HPUX_send2 506
-#define __NR_HPUX_sendto2 507
-#define __NR_HPUX_acl 508
-#define __NR_HPUX___cnx_p2p_ctl 509
-#define __NR_HPUX___cnx_gsched_ctl 510
-#define __NR_HPUX___cnx_pmon_ctl 511
-
-#define __NR_HPUX_syscalls 512
-
-/*
* Linux system call numbers.
*
* Cary Coutant says that we should just use another syscall gateway
@@ -484,9 +10,6 @@
* very least. If we decide to change it later, we can ``just'' tweak
* the LINUX_GATEWAY_ADDR define at the bottom and make __NR_Linux be
* 1024 or something. Oh, and recompile libc. =)
- *
- * 64-bit HPUX binaries get the syscall gateway address passed in a register
- * from the kernel at startup, which seems a sane strategy.
*/
#define __NR_Linux 0
@@ -834,15 +357,15 @@
#define __NR_getrandom (__NR_Linux + 339)
#define __NR_memfd_create (__NR_Linux + 340)
#define __NR_bpf (__NR_Linux + 341)
+#define __NR_execveat (__NR_Linux + 342)
-#define __NR_Linux_syscalls (__NR_bpf + 1)
+#define __NR_Linux_syscalls (__NR_execveat + 1)
#define __IGNORE_select /* newselect */
#define __IGNORE_fadvise64 /* fadvise64_64 */
-#define HPUX_GATEWAY_ADDR 0xC0000004
#define LINUX_GATEWAY_ADDR 0x100
#endif /* _UAPI_ASM_PARISC_UNISTD_H_ */
diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S
index e8f07dd..2ab16bb 100644
--- a/arch/parisc/kernel/entry.S
+++ b/arch/parisc/kernel/entry.S
@@ -1774,10 +1774,6 @@
ENDPROC(sys_rt_sigreturn_wrapper)
ENTRY(syscall_exit)
- /* NOTE: HP-UX syscalls also come through here
- * after hpux_syscall_exit fixes up return
- * values. */
-
/* NOTE: Not all syscalls exit this way. rt_sigreturn will exit
* via syscall_exit_rfi if the signal was received while the process
* was running.
@@ -1789,22 +1785,6 @@
LDREG TI_TASK(%r1),%r1
STREG %r28,TASK_PT_GR28(%r1)
-#ifdef CONFIG_HPUX
-/* <linux/personality.h> cannot be easily included */
-#define PER_HPUX 0x10
- ldw TASK_PERSONALITY(%r1),%r19
-
- /* We can't use "CMPIB<> PER_HPUX" since "im5" field is sign extended */
- ldo -PER_HPUX(%r19), %r19
- cmpib,COND(<>),n 0,%r19,1f
-
- /* Save other hpux returns if personality is PER_HPUX */
- STREG %r22,TASK_PT_GR22(%r1)
- STREG %r29,TASK_PT_GR29(%r1)
-1:
-
-#endif /* CONFIG_HPUX */
-
/* Seems to me that dp could be wrong here, if the syscall involved
* calling a module, and nothing got round to restoring dp on return.
*/
diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c
index 0bbbf0d..8a488c2 100644
--- a/arch/parisc/kernel/process.c
+++ b/arch/parisc/kernel/process.c
@@ -193,9 +193,7 @@
* Make them const so the compiler knows they live in .text */
extern void * const ret_from_kernel_thread;
extern void * const child_return;
-#ifdef CONFIG_HPUX
- extern void * const hpux_child_return;
-#endif
+
if (unlikely(p->flags & PF_KTHREAD)) {
memset(cregs, 0, sizeof(struct pt_regs));
if (!usp) /* idle thread */
@@ -229,15 +227,8 @@
cregs->gr[30] = usp;
}
cregs->ksp = (unsigned long)stack + THREAD_SZ_ALGN + FRAME_SIZE;
- if (personality(p->personality) == PER_HPUX) {
-#ifdef CONFIG_HPUX
- cregs->kpc = (unsigned long) &hpux_child_return;
-#else
- BUG();
-#endif
- } else {
- cregs->kpc = (unsigned long) &child_return;
- }
+ cregs->kpc = (unsigned long) &child_return;
+
/* Setup thread TLS area from the 4th parameter in clone */
if (clone_flags & CLONE_SETTLS)
cregs->cr27 = cregs->gr[23];
diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c
index 9b910a0..dc1ea79 100644
--- a/arch/parisc/kernel/signal.c
+++ b/arch/parisc/kernel/signal.c
@@ -9,8 +9,7 @@
*
* Like the IA-64, we are a recent enough port (we are *starting*
* with glibc2.2) that we do not need to support the old non-realtime
- * Linux signals. Therefore we don't. HP/UX signals will go in
- * arch/parisc/hpux/signal.c when we figure out how to do them.
+ * Linux signals. Therefore we don't.
*/
#include <linux/sched.h>
@@ -476,6 +475,9 @@
case -ERESTART_RESTARTBLOCK: {
/* Restart the system call - no handlers present */
unsigned int *usp = (unsigned int *)regs->gr[30];
+ unsigned long start = (unsigned long) &usp[2];
+ unsigned long end = (unsigned long) &usp[5];
+ long err = 0;
/* Setup a trampoline to restart the syscall
* with __NR_restart_syscall
@@ -487,23 +489,21 @@
* 16: ldi __NR_restart_syscall, %r20
*/
#ifdef CONFIG_64BIT
- put_user(regs->gr[31] >> 32, &usp[0]);
- put_user(regs->gr[31] & 0xffffffff, &usp[1]);
- put_user(0x0fc010df, &usp[2]);
+ err |= put_user(regs->gr[31] >> 32, &usp[0]);
+ err |= put_user(regs->gr[31] & 0xffffffff, &usp[1]);
+ err |= put_user(0x0fc010df, &usp[2]);
#else
- put_user(regs->gr[31], &usp[0]);
- put_user(0x0fc0109f, &usp[2]);
+ err |= put_user(regs->gr[31], &usp[0]);
+ err |= put_user(0x0fc0109f, &usp[2]);
#endif
- put_user(0xe0008200, &usp[3]);
- put_user(0x34140000, &usp[4]);
+ err |= put_user(0xe0008200, &usp[3]);
+ err |= put_user(0x34140000, &usp[4]);
- /* Stack is 64-byte aligned, and we only need
- * to flush 1 cache line.
- * Flushing one cacheline is cheap.
- * "sync" on bigger (> 4 way) boxes is not.
- */
- flush_user_dcache_range(regs->gr[30], regs->gr[30] + 4);
- flush_user_icache_range(regs->gr[30], regs->gr[30] + 4);
+ WARN_ON(err);
+
+ /* flush data/instruction cache for new insns */
+ flush_user_dcache_range(start, end);
+ flush_user_icache_range(start, end);
regs->gr[31] = regs->gr[30] + 8;
return;
diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c
index ceda229..52e8597 100644
--- a/arch/parisc/kernel/smp.c
+++ b/arch/parisc/kernel/smp.c
@@ -230,9 +230,6 @@
inline void
smp_send_stop(void) { send_IPI_allbutself(IPI_CPU_STOP); }
-static inline void
-smp_send_start(void) { send_IPI_allbutself(IPI_CPU_START); }
-
void
smp_send_reschedule(int cpu) { send_IPI_single(cpu, IPI_RESCHEDULE); }
diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S
index fe4f0b8..5a8997d 100644
--- a/arch/parisc/kernel/syscall_table.S
+++ b/arch/parisc/kernel/syscall_table.S
@@ -437,6 +437,7 @@
ENTRY_SAME(getrandom)
ENTRY_SAME(memfd_create) /* 340 */
ENTRY_SAME(bpf)
+ ENTRY_COMP(execveat)
/* Nothing yet */
diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c
index 0bef864..15dbe81 100644
--- a/arch/parisc/mm/init.c
+++ b/arch/parisc/mm/init.c
@@ -750,78 +750,6 @@
PAGE_SIZE, PAGE_GATEWAY, 1);
}
-#ifdef CONFIG_HPUX
-void
-map_hpux_gateway_page(struct task_struct *tsk, struct mm_struct *mm)
-{
- pgd_t *pg_dir;
- pmd_t *pmd;
- pte_t *pg_table;
- unsigned long start_pmd;
- unsigned long start_pte;
- unsigned long address;
- unsigned long hpux_gw_page_addr;
- /* FIXME: This is 'const' in order to trick the compiler
- into not treating it as DP-relative data. */
- extern void * const hpux_gateway_page;
-
- hpux_gw_page_addr = HPUX_GATEWAY_ADDR & PAGE_MASK;
-
- /*
- * Setup HP-UX Gateway page.
- *
- * The HP-UX gateway page resides in the user address space,
- * so it needs to be aliased into each process.
- */
-
- pg_dir = pgd_offset(mm,hpux_gw_page_addr);
-
-#if PTRS_PER_PMD == 1
- start_pmd = 0;
-#else
- start_pmd = ((hpux_gw_page_addr >> PMD_SHIFT) & (PTRS_PER_PMD - 1));
-#endif
- start_pte = ((hpux_gw_page_addr >> PAGE_SHIFT) & (PTRS_PER_PTE - 1));
-
- address = __pa(&hpux_gateway_page);
-#if PTRS_PER_PMD == 1
- pmd = (pmd_t *)__pa(pg_dir);
-#else
- pmd = (pmd_t *) pgd_address(*pg_dir);
-
- /*
- * pmd is physical at this point
- */
-
- if (!pmd) {
- pmd = (pmd_t *) get_zeroed_page(GFP_KERNEL);
- pmd = (pmd_t *) __pa(pmd);
- }
-
- __pgd_val_set(*pg_dir, PxD_FLAG_PRESENT | PxD_FLAG_VALID | (unsigned long) pmd);
-#endif
- /* now change pmd to kernel virtual addresses */
-
- pmd = (pmd_t *)__va(pmd) + start_pmd;
-
- /*
- * pg_table is physical at this point
- */
-
- pg_table = (pte_t *) pmd_address(*pmd);
- if (!pg_table)
- pg_table = (pte_t *) __pa(get_zeroed_page(GFP_KERNEL));
-
- __pmd_val_set(*pmd, PxD_FLAG_PRESENT | PxD_FLAG_VALID | (unsigned long) pg_table);
-
- /* now change pg_table to kernel virtual addresses */
-
- pg_table = (pte_t *) __va(pg_table) + start_pte;
- set_pte(pg_table, __mk_pte(address, PAGE_GATEWAY));
-}
-EXPORT_SYMBOL(map_hpux_gateway_page);
-#endif
-
void __init paging_init(void)
{
int i;
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index c256bd7..c6bb9f1 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -732,9 +732,8 @@
static bool acpi_idle_fallback_to_c1(struct acpi_processor *pr)
{
- return IS_ENABLED(CONFIG_HOTPLUG_CPU) && num_online_cpus() > 1 &&
- !(acpi_gbl_FADT.flags & ACPI_FADT_C2_MP_SUPPORTED) &&
- !pr->flags.has_cst;
+ return IS_ENABLED(CONFIG_HOTPLUG_CPU) && !pr->flags.has_cst &&
+ !(acpi_gbl_FADT.flags & ACPI_FADT_C2_MP_SUPPORTED);
}
static int c3_cpu_count;
@@ -744,9 +743,10 @@
* acpi_idle_enter_bm - enters C3 with proper BM handling
* @pr: Target processor
* @cx: Target state context
+ * @timer_bc: Whether or not to change timer mode to broadcast
*/
static void acpi_idle_enter_bm(struct acpi_processor *pr,
- struct acpi_processor_cx *cx)
+ struct acpi_processor_cx *cx, bool timer_bc)
{
acpi_unlazy_tlb(smp_processor_id());
@@ -754,7 +754,8 @@
* Must be done before busmaster disable as we might need to
* access HPET !
*/
- lapic_timer_state_broadcast(pr, cx, 1);
+ if (timer_bc)
+ lapic_timer_state_broadcast(pr, cx, 1);
/*
* disable bus master
@@ -784,7 +785,8 @@
raw_spin_unlock(&c3_lock);
}
- lapic_timer_state_broadcast(pr, cx, 0);
+ if (timer_bc)
+ lapic_timer_state_broadcast(pr, cx, 0);
}
static int acpi_idle_enter(struct cpuidle_device *dev,
@@ -798,12 +800,12 @@
return -EINVAL;
if (cx->type != ACPI_STATE_C1) {
- if (acpi_idle_fallback_to_c1(pr)) {
+ if (acpi_idle_fallback_to_c1(pr) && num_online_cpus() > 1) {
index = CPUIDLE_DRIVER_STATE_START;
cx = per_cpu(acpi_cstate[index], dev->cpu);
} else if (cx->type == ACPI_STATE_C3 && pr->flags.bm_check) {
if (cx->bm_sts_skip || !acpi_idle_bm_check()) {
- acpi_idle_enter_bm(pr, cx);
+ acpi_idle_enter_bm(pr, cx, true);
return index;
} else if (drv->safe_state_index >= 0) {
index = drv->safe_state_index;
@@ -827,6 +829,27 @@
return index;
}
+static void acpi_idle_enter_freeze(struct cpuidle_device *dev,
+ struct cpuidle_driver *drv, int index)
+{
+ struct acpi_processor_cx *cx = per_cpu(acpi_cstate[index], dev->cpu);
+
+ if (cx->type == ACPI_STATE_C3) {
+ struct acpi_processor *pr = __this_cpu_read(processors);
+
+ if (unlikely(!pr))
+ return;
+
+ if (pr->flags.bm_check) {
+ acpi_idle_enter_bm(pr, cx, false);
+ return;
+ } else {
+ ACPI_FLUSH_CPU_CACHE();
+ }
+ }
+ acpi_idle_do_entry(cx);
+}
+
struct cpuidle_driver acpi_idle_driver = {
.name = "acpi_idle",
.owner = THIS_MODULE,
@@ -925,6 +948,15 @@
state->enter_dead = acpi_idle_play_dead;
drv->safe_state_index = count;
}
+ /*
+ * Halt-induced C1 is not good for ->enter_freeze, because it
+ * re-enables interrupts on exit. Moreover, C1 is generally not
+ * particularly interesting from the suspend-to-idle angle, so
+ * avoid C1 and the situations in which we may need to fall back
+ * to it altogether.
+ */
+ if (cx->type != ACPI_STATE_C1 && !acpi_idle_fallback_to_c1(pr))
+ state->enter_freeze = acpi_idle_enter_freeze;
count++;
if (count == CPUIDLE_STATE_MAX)
diff --git a/drivers/char/tpm/tpm-interface.c b/drivers/char/tpm/tpm-interface.c
index bf53a37..e85d341 100644
--- a/drivers/char/tpm/tpm-interface.c
+++ b/drivers/char/tpm/tpm-interface.c
@@ -901,8 +901,10 @@
if (chip == NULL)
return -ENODEV;
- if (chip->flags & TPM_CHIP_FLAG_TPM2)
- return tpm2_shutdown(chip, TPM2_SU_CLEAR);
+ if (chip->flags & TPM_CHIP_FLAG_TPM2) {
+ tpm2_shutdown(chip, TPM2_SU_STATE);
+ return 0;
+ }
/* for buggy tpm, flush pcrs with extend to selected dummy */
if (tpm_suspend_pcr) {
diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
index 7b0727c..f8319a0 100644
--- a/drivers/char/tpm/tpm.h
+++ b/drivers/char/tpm/tpm.h
@@ -432,7 +432,8 @@
u32 *value, const char *desc);
extern int tpm2_startup(struct tpm_chip *chip, u16 startup_type);
-extern int tpm2_shutdown(struct tpm_chip *chip, u16 shutdown_type);
+extern void tpm2_shutdown(struct tpm_chip *chip, u16 shutdown_type);
extern unsigned long tpm2_calc_ordinal_duration(struct tpm_chip *, u32);
extern int tpm2_do_selftest(struct tpm_chip *chip);
-extern int tpm2_gen_interrupt(struct tpm_chip *chip, bool quiet);
+extern int tpm2_gen_interrupt(struct tpm_chip *chip);
+extern int tpm2_probe(struct tpm_chip *chip);
diff --git a/drivers/char/tpm/tpm2-cmd.c b/drivers/char/tpm/tpm2-cmd.c
index 1abe650..011909a 100644
--- a/drivers/char/tpm/tpm2-cmd.c
+++ b/drivers/char/tpm/tpm2-cmd.c
@@ -456,20 +456,23 @@
* @chip: TPM chip to use.
* @shutdown_type shutdown type. The value is either
* TPM_SU_CLEAR or TPM_SU_STATE.
- *
- * 0 is returned when the operation is successful. If a negative number is
- * returned it remarks a POSIX error code. If a positive number is returned
- * it remarks a TPM error.
*/
-int tpm2_shutdown(struct tpm_chip *chip, u16 shutdown_type)
+void tpm2_shutdown(struct tpm_chip *chip, u16 shutdown_type)
{
struct tpm2_cmd cmd;
+ int rc;
cmd.header.in = tpm2_shutdown_header;
-
cmd.params.startup_in.startup_type = cpu_to_be16(shutdown_type);
- return tpm_transmit_cmd(chip, &cmd, sizeof(cmd),
- "stopping the TPM");
+
+ rc = tpm_transmit_cmd(chip, &cmd, sizeof(cmd), "stopping the TPM");
+
+ /* In places where shutdown command is sent there's no much we can do
+ * except print the error code on a system failure.
+ */
+ if (rc < 0)
+ dev_warn(chip->pdev, "transmit returned %d while stopping the TPM",
+ rc);
}
EXPORT_SYMBOL_GPL(tpm2_shutdown);
@@ -598,20 +601,46 @@
/**
* tpm2_gen_interrupt() - generate an interrupt
* @chip: TPM chip to use
- * @quiet: surpress the error message
*
* 0 is returned when the operation is successful. If a negative number is
* returned it remarks a POSIX error code. If a positive number is returned
* it remarks a TPM error.
*/
-int tpm2_gen_interrupt(struct tpm_chip *chip, bool quiet)
+int tpm2_gen_interrupt(struct tpm_chip *chip)
{
- const char *desc = NULL;
u32 dummy;
- if (!quiet)
- desc = "attempting to generate an interrupt";
-
- return tpm2_get_tpm_pt(chip, TPM2_CAP_TPM_PROPERTIES, &dummy, desc);
+ return tpm2_get_tpm_pt(chip, 0x100, &dummy,
+ "attempting to generate an interrupt");
}
EXPORT_SYMBOL_GPL(tpm2_gen_interrupt);
+
+/**
+ * tpm2_probe() - probe TPM 2.0
+ * @chip: TPM chip to use
+ *
+ * Send idempotent TPM 2.0 command and see whether TPM 2.0 chip replied based on
+ * the reply tag.
+ */
+int tpm2_probe(struct tpm_chip *chip)
+{
+ struct tpm2_cmd cmd;
+ int rc;
+
+ cmd.header.in = tpm2_get_tpm_pt_header;
+ cmd.params.get_tpm_pt_in.cap_id = cpu_to_be32(TPM2_CAP_TPM_PROPERTIES);
+ cmd.params.get_tpm_pt_in.property_id = cpu_to_be32(0x100);
+ cmd.params.get_tpm_pt_in.property_cnt = cpu_to_be32(1);
+
+ rc = tpm_transmit(chip, (const char *) &cmd, sizeof(cmd));
+ if (rc < 0)
+ return rc;
+ else if (rc < TPM_HEADER_SIZE)
+ return -EFAULT;
+
+ if (be16_to_cpu(cmd.header.out.tag) == TPM2_ST_NO_SESSIONS)
+ chip->flags |= TPM_CHIP_FLAG_TPM2;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(tpm2_probe);
diff --git a/drivers/char/tpm/tpm_crb.c b/drivers/char/tpm/tpm_crb.c
index 3dd23cf..b26ceee 100644
--- a/drivers/char/tpm/tpm_crb.c
+++ b/drivers/char/tpm/tpm_crb.c
@@ -95,21 +95,7 @@
u8 __iomem *rsp;
};
-#ifdef CONFIG_PM_SLEEP
-static int crb_resume(struct device *dev)
-{
- int rc;
- struct tpm_chip *chip = dev_get_drvdata(dev);
-
- rc = tpm2_shutdown(chip, TPM2_SU_STATE);
- if (!rc)
- rc = tpm2_do_selftest(chip);
-
- return rc;
-}
-#endif
-
-static SIMPLE_DEV_PM_OPS(crb_pm, tpm_pm_suspend, crb_resume);
+static SIMPLE_DEV_PM_OPS(crb_pm, tpm_pm_suspend, tpm_pm_resume);
static u8 crb_status(struct tpm_chip *chip)
{
@@ -326,6 +312,10 @@
struct tpm_chip *chip = dev_get_drvdata(dev);
tpm_chip_unregister(chip);
+
+ if (chip->flags & TPM_CHIP_FLAG_TPM2)
+ tpm2_shutdown(chip, TPM2_SU_CLEAR);
+
return 0;
}
diff --git a/drivers/char/tpm/tpm_ibmvtpm.c b/drivers/char/tpm/tpm_ibmvtpm.c
index 0840347..b1e53e3 100644
--- a/drivers/char/tpm/tpm_ibmvtpm.c
+++ b/drivers/char/tpm/tpm_ibmvtpm.c
@@ -148,7 +148,8 @@
crq.len = (u16)count;
crq.data = ibmvtpm->rtce_dma_handle;
- rc = ibmvtpm_send_crq(ibmvtpm->vdev, word[0], word[1]);
+ rc = ibmvtpm_send_crq(ibmvtpm->vdev, cpu_to_be64(word[0]),
+ cpu_to_be64(word[1]));
if (rc != H_SUCCESS) {
dev_err(ibmvtpm->dev, "tpm_ibmvtpm_send failed rc=%d\n", rc);
rc = 0;
@@ -186,7 +187,8 @@
crq.valid = (u8)IBMVTPM_VALID_CMD;
crq.msg = (u8)VTPM_GET_RTCE_BUFFER_SIZE;
- rc = ibmvtpm_send_crq(ibmvtpm->vdev, buf[0], buf[1]);
+ rc = ibmvtpm_send_crq(ibmvtpm->vdev, cpu_to_be64(buf[0]),
+ cpu_to_be64(buf[1]));
if (rc != H_SUCCESS)
dev_err(ibmvtpm->dev,
"ibmvtpm_crq_get_rtce_size failed rc=%d\n", rc);
@@ -212,7 +214,8 @@
crq.valid = (u8)IBMVTPM_VALID_CMD;
crq.msg = (u8)VTPM_GET_VERSION;
- rc = ibmvtpm_send_crq(ibmvtpm->vdev, buf[0], buf[1]);
+ rc = ibmvtpm_send_crq(ibmvtpm->vdev, cpu_to_be64(buf[0]),
+ cpu_to_be64(buf[1]));
if (rc != H_SUCCESS)
dev_err(ibmvtpm->dev,
"ibmvtpm_crq_get_version failed rc=%d\n", rc);
@@ -336,7 +339,8 @@
crq.valid = (u8)IBMVTPM_VALID_CMD;
crq.msg = (u8)VTPM_PREPARE_TO_SUSPEND;
- rc = ibmvtpm_send_crq(ibmvtpm->vdev, buf[0], buf[1]);
+ rc = ibmvtpm_send_crq(ibmvtpm->vdev, cpu_to_be64(buf[0]),
+ cpu_to_be64(buf[1]));
if (rc != H_SUCCESS)
dev_err(ibmvtpm->dev,
"tpm_ibmvtpm_suspend failed rc=%d\n", rc);
@@ -481,11 +485,11 @@
case IBMVTPM_VALID_CMD:
switch (crq->msg) {
case VTPM_GET_RTCE_BUFFER_SIZE_RES:
- if (crq->len <= 0) {
+ if (be16_to_cpu(crq->len) <= 0) {
dev_err(ibmvtpm->dev, "Invalid rtce size\n");
return;
}
- ibmvtpm->rtce_size = crq->len;
+ ibmvtpm->rtce_size = be16_to_cpu(crq->len);
ibmvtpm->rtce_buf = kmalloc(ibmvtpm->rtce_size,
GFP_KERNEL);
if (!ibmvtpm->rtce_buf) {
@@ -506,11 +510,11 @@
return;
case VTPM_GET_VERSION_RES:
- ibmvtpm->vtpm_version = crq->data;
+ ibmvtpm->vtpm_version = be32_to_cpu(crq->data);
return;
case VTPM_TPM_COMMAND_RES:
/* len of the data in rtce buffer */
- ibmvtpm->res_len = crq->len;
+ ibmvtpm->res_len = be16_to_cpu(crq->len);
wake_up_interruptible(&ibmvtpm->wq);
return;
default:
diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c
index 6725bef..f2dffa7 100644
--- a/drivers/char/tpm/tpm_tis.c
+++ b/drivers/char/tpm/tpm_tis.c
@@ -588,6 +588,9 @@
static void tpm_tis_remove(struct tpm_chip *chip)
{
+ if (chip->flags & TPM_CHIP_FLAG_TPM2)
+ tpm2_shutdown(chip, TPM2_SU_CLEAR);
+
iowrite32(~TPM_GLOBAL_INT_ENABLE &
ioread32(chip->vendor.iobase +
TPM_INT_ENABLE(chip->vendor.
@@ -639,12 +642,9 @@
goto out_err;
}
- /* Every TPM 2.x command has a higher ordinal than TPM 1.x commands.
- * Therefore, we can use an idempotent TPM 2.x command to probe TPM 2.x.
- */
- rc = tpm2_gen_interrupt(chip, true);
- if (rc == 0 || rc == TPM2_RC_INITIALIZE)
- chip->flags |= TPM_CHIP_FLAG_TPM2;
+ rc = tpm2_probe(chip);
+ if (rc)
+ goto out_err;
vendor = ioread32(chip->vendor.iobase + TPM_DID_VID(0));
chip->vendor.manufacturer_id = vendor;
@@ -747,7 +747,7 @@
/* Generate Interrupts */
if (chip->flags & TPM_CHIP_FLAG_TPM2)
- tpm2_gen_interrupt(chip, false);
+ tpm2_gen_interrupt(chip);
else
tpm_gen_interrupt(chip);
@@ -865,25 +865,22 @@
static int tpm_tis_resume(struct device *dev)
{
struct tpm_chip *chip = dev_get_drvdata(dev);
- int ret = 0;
+ int ret;
if (chip->vendor.irq)
tpm_tis_reenable_interrupts(chip);
- if (chip->flags & TPM_CHIP_FLAG_TPM2) {
- /* NOP if firmware properly does this. */
- tpm2_startup(chip, TPM2_SU_STATE);
+ ret = tpm_pm_resume(dev);
+ if (ret)
+ return ret;
- ret = tpm2_shutdown(chip, TPM2_SU_STATE);
- if (!ret)
- ret = tpm2_do_selftest(chip);
- } else {
- ret = tpm_pm_resume(dev);
- if (!ret)
- tpm_do_selftest(chip);
- }
+ /* TPM 1.2 requires self-test on resume. This function actually returns
+ * an error code but for unknown reason it isn't handled.
+ */
+ if (!(chip->flags & TPM_CHIP_FLAG_TPM2))
+ tpm_do_selftest(chip);
- return ret;
+ return 0;
}
#endif
diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c
index 125150d..4d53458 100644
--- a/drivers/cpuidle/cpuidle.c
+++ b/drivers/cpuidle/cpuidle.c
@@ -19,6 +19,8 @@
#include <linux/ktime.h>
#include <linux/hrtimer.h>
#include <linux/module.h>
+#include <linux/suspend.h>
+#include <linux/tick.h>
#include <trace/events/power.h>
#include "cpuidle.h"
@@ -32,7 +34,6 @@
static int enabled_devices;
static int off __read_mostly;
static int initialized __read_mostly;
-static bool use_deepest_state __read_mostly;
int cpuidle_disabled(void)
{
@@ -66,36 +67,23 @@
}
/**
- * cpuidle_use_deepest_state - Enable/disable the "deepest idle" mode.
- * @enable: Whether enable or disable the feature.
- *
- * If the "deepest idle" mode is enabled, cpuidle will ignore the governor and
- * always use the state with the greatest exit latency (out of the states that
- * are not disabled).
- *
- * This function can only be called after cpuidle_pause() to avoid races.
- */
-void cpuidle_use_deepest_state(bool enable)
-{
- use_deepest_state = enable;
-}
-
-/**
- * cpuidle_find_deepest_state - Find the state of the greatest exit latency.
- * @drv: cpuidle driver for a given CPU.
- * @dev: cpuidle device for a given CPU.
+ * cpuidle_find_deepest_state - Find deepest state meeting specific conditions.
+ * @drv: cpuidle driver for the given CPU.
+ * @dev: cpuidle device for the given CPU.
+ * @freeze: Whether or not the state should be suitable for suspend-to-idle.
*/
static int cpuidle_find_deepest_state(struct cpuidle_driver *drv,
- struct cpuidle_device *dev)
+ struct cpuidle_device *dev, bool freeze)
{
unsigned int latency_req = 0;
- int i, ret = CPUIDLE_DRIVER_STATE_START - 1;
+ int i, ret = freeze ? -1 : CPUIDLE_DRIVER_STATE_START - 1;
for (i = CPUIDLE_DRIVER_STATE_START; i < drv->state_count; i++) {
struct cpuidle_state *s = &drv->states[i];
struct cpuidle_state_usage *su = &dev->states_usage[i];
- if (s->disabled || su->disable || s->exit_latency <= latency_req)
+ if (s->disabled || su->disable || s->exit_latency <= latency_req
+ || (freeze && !s->enter_freeze))
continue;
latency_req = s->exit_latency;
@@ -104,6 +92,63 @@
return ret;
}
+static void enter_freeze_proper(struct cpuidle_driver *drv,
+ struct cpuidle_device *dev, int index)
+{
+ tick_freeze();
+ /*
+ * The state used here cannot be a "coupled" one, because the "coupled"
+ * cpuidle mechanism enables interrupts and doing that with timekeeping
+ * suspended is generally unsafe.
+ */
+ drv->states[index].enter_freeze(dev, drv, index);
+ WARN_ON(!irqs_disabled());
+ /*
+ * timekeeping_resume() that will be called by tick_unfreeze() for the
+ * last CPU executing it calls functions containing RCU read-side
+ * critical sections, so tell RCU about that.
+ */
+ RCU_NONIDLE(tick_unfreeze());
+}
+
+/**
+ * cpuidle_enter_freeze - Enter an idle state suitable for suspend-to-idle.
+ *
+ * If there are states with the ->enter_freeze callback, find the deepest of
+ * them and enter it with frozen tick. Otherwise, find the deepest state
+ * available and enter it normally.
+ */
+void cpuidle_enter_freeze(void)
+{
+ struct cpuidle_device *dev = __this_cpu_read(cpuidle_devices);
+ struct cpuidle_driver *drv = cpuidle_get_cpu_driver(dev);
+ int index;
+
+ /*
+ * Find the deepest state with ->enter_freeze present, which guarantees
+ * that interrupts won't be enabled when it exits and allows the tick to
+ * be frozen safely.
+ */
+ index = cpuidle_find_deepest_state(drv, dev, true);
+ if (index >= 0) {
+ enter_freeze_proper(drv, dev, index);
+ return;
+ }
+
+ /*
+ * It is not safe to freeze the tick, find the deepest state available
+ * at all and try to enter it normally.
+ */
+ index = cpuidle_find_deepest_state(drv, dev, false);
+ if (index >= 0)
+ cpuidle_enter(drv, dev, index);
+ else
+ arch_cpu_idle();
+
+ /* Interrupts are enabled again here. */
+ local_irq_disable();
+}
+
/**
* cpuidle_enter_state - enter the state and update stats
* @dev: cpuidle device for this cpu
@@ -166,9 +211,6 @@
if (!drv || !dev || !dev->enabled)
return -EBUSY;
- if (unlikely(use_deepest_state))
- return cpuidle_find_deepest_state(drv, dev);
-
return cpuidle_curr_governor->select(drv, dev);
}
@@ -200,7 +242,7 @@
*/
void cpuidle_reflect(struct cpuidle_device *dev, int index)
{
- if (cpuidle_curr_governor->reflect && !unlikely(use_deepest_state))
+ if (cpuidle_curr_governor->reflect)
cpuidle_curr_governor->reflect(dev, index);
}
diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
index 1bc0c170..b0e5852 100644
--- a/drivers/idle/intel_idle.c
+++ b/drivers/idle/intel_idle.c
@@ -97,6 +97,8 @@
static struct cpuidle_device __percpu *intel_idle_cpuidle_devices;
static int intel_idle(struct cpuidle_device *dev,
struct cpuidle_driver *drv, int index);
+static void intel_idle_freeze(struct cpuidle_device *dev,
+ struct cpuidle_driver *drv, int index);
static int intel_idle_cpu_init(int cpu);
static struct cpuidle_state *cpuidle_state_table;
@@ -131,28 +133,32 @@
.flags = MWAIT2flg(0x00),
.exit_latency = 3,
.target_residency = 6,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.name = "C1E-NHM",
.desc = "MWAIT 0x01",
.flags = MWAIT2flg(0x01),
.exit_latency = 10,
.target_residency = 20,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.name = "C3-NHM",
.desc = "MWAIT 0x10",
.flags = MWAIT2flg(0x10) | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 20,
.target_residency = 80,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.name = "C6-NHM",
.desc = "MWAIT 0x20",
.flags = MWAIT2flg(0x20) | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 200,
.target_residency = 800,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.enter = NULL }
};
@@ -164,35 +170,40 @@
.flags = MWAIT2flg(0x00),
.exit_latency = 2,
.target_residency = 2,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.name = "C1E-SNB",
.desc = "MWAIT 0x01",
.flags = MWAIT2flg(0x01),
.exit_latency = 10,
.target_residency = 20,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.name = "C3-SNB",
.desc = "MWAIT 0x10",
.flags = MWAIT2flg(0x10) | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 80,
.target_residency = 211,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.name = "C6-SNB",
.desc = "MWAIT 0x20",
.flags = MWAIT2flg(0x20) | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 104,
.target_residency = 345,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.name = "C7-SNB",
.desc = "MWAIT 0x30",
.flags = MWAIT2flg(0x30) | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 109,
.target_residency = 345,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.enter = NULL }
};
@@ -204,42 +215,48 @@
.flags = MWAIT2flg(0x00),
.exit_latency = 1,
.target_residency = 1,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.name = "C1E-BYT",
.desc = "MWAIT 0x01",
.flags = MWAIT2flg(0x01),
.exit_latency = 15,
.target_residency = 30,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.name = "C6N-BYT",
.desc = "MWAIT 0x58",
.flags = MWAIT2flg(0x58) | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 40,
.target_residency = 275,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.name = "C6S-BYT",
.desc = "MWAIT 0x52",
.flags = MWAIT2flg(0x52) | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 140,
.target_residency = 560,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.name = "C7-BYT",
.desc = "MWAIT 0x60",
.flags = MWAIT2flg(0x60) | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 1200,
.target_residency = 1500,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.name = "C7S-BYT",
.desc = "MWAIT 0x64",
.flags = MWAIT2flg(0x64) | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 10000,
.target_residency = 20000,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.enter = NULL }
};
@@ -251,35 +268,40 @@
.flags = MWAIT2flg(0x00),
.exit_latency = 1,
.target_residency = 1,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.name = "C1E-IVB",
.desc = "MWAIT 0x01",
.flags = MWAIT2flg(0x01),
.exit_latency = 10,
.target_residency = 20,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.name = "C3-IVB",
.desc = "MWAIT 0x10",
.flags = MWAIT2flg(0x10) | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 59,
.target_residency = 156,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.name = "C6-IVB",
.desc = "MWAIT 0x20",
.flags = MWAIT2flg(0x20) | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 80,
.target_residency = 300,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.name = "C7-IVB",
.desc = "MWAIT 0x30",
.flags = MWAIT2flg(0x30) | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 87,
.target_residency = 300,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.enter = NULL }
};
@@ -291,28 +313,32 @@
.flags = MWAIT2flg(0x00),
.exit_latency = 1,
.target_residency = 1,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.name = "C1E-IVT",
.desc = "MWAIT 0x01",
.flags = MWAIT2flg(0x01),
.exit_latency = 10,
.target_residency = 80,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.name = "C3-IVT",
.desc = "MWAIT 0x10",
.flags = MWAIT2flg(0x10) | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 59,
.target_residency = 156,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.name = "C6-IVT",
.desc = "MWAIT 0x20",
.flags = MWAIT2flg(0x20) | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 82,
.target_residency = 300,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.enter = NULL }
};
@@ -324,28 +350,32 @@
.flags = MWAIT2flg(0x00),
.exit_latency = 1,
.target_residency = 1,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.name = "C1E-IVT-4S",
.desc = "MWAIT 0x01",
.flags = MWAIT2flg(0x01),
.exit_latency = 10,
.target_residency = 250,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.name = "C3-IVT-4S",
.desc = "MWAIT 0x10",
.flags = MWAIT2flg(0x10) | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 59,
.target_residency = 300,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.name = "C6-IVT-4S",
.desc = "MWAIT 0x20",
.flags = MWAIT2flg(0x20) | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 84,
.target_residency = 400,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.enter = NULL }
};
@@ -357,28 +387,32 @@
.flags = MWAIT2flg(0x00),
.exit_latency = 1,
.target_residency = 1,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.name = "C1E-IVT-8S",
.desc = "MWAIT 0x01",
.flags = MWAIT2flg(0x01),
.exit_latency = 10,
.target_residency = 500,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.name = "C3-IVT-8S",
.desc = "MWAIT 0x10",
.flags = MWAIT2flg(0x10) | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 59,
.target_residency = 600,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.name = "C6-IVT-8S",
.desc = "MWAIT 0x20",
.flags = MWAIT2flg(0x20) | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 88,
.target_residency = 700,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.enter = NULL }
};
@@ -390,56 +424,64 @@
.flags = MWAIT2flg(0x00),
.exit_latency = 2,
.target_residency = 2,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.name = "C1E-HSW",
.desc = "MWAIT 0x01",
.flags = MWAIT2flg(0x01),
.exit_latency = 10,
.target_residency = 20,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.name = "C3-HSW",
.desc = "MWAIT 0x10",
.flags = MWAIT2flg(0x10) | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 33,
.target_residency = 100,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.name = "C6-HSW",
.desc = "MWAIT 0x20",
.flags = MWAIT2flg(0x20) | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 133,
.target_residency = 400,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.name = "C7s-HSW",
.desc = "MWAIT 0x32",
.flags = MWAIT2flg(0x32) | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 166,
.target_residency = 500,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.name = "C8-HSW",
.desc = "MWAIT 0x40",
.flags = MWAIT2flg(0x40) | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 300,
.target_residency = 900,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.name = "C9-HSW",
.desc = "MWAIT 0x50",
.flags = MWAIT2flg(0x50) | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 600,
.target_residency = 1800,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.name = "C10-HSW",
.desc = "MWAIT 0x60",
.flags = MWAIT2flg(0x60) | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 2600,
.target_residency = 7700,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.enter = NULL }
};
@@ -450,56 +492,64 @@
.flags = MWAIT2flg(0x00),
.exit_latency = 2,
.target_residency = 2,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.name = "C1E-BDW",
.desc = "MWAIT 0x01",
.flags = MWAIT2flg(0x01),
.exit_latency = 10,
.target_residency = 20,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.name = "C3-BDW",
.desc = "MWAIT 0x10",
.flags = MWAIT2flg(0x10) | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 40,
.target_residency = 100,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.name = "C6-BDW",
.desc = "MWAIT 0x20",
.flags = MWAIT2flg(0x20) | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 133,
.target_residency = 400,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.name = "C7s-BDW",
.desc = "MWAIT 0x32",
.flags = MWAIT2flg(0x32) | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 166,
.target_residency = 500,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.name = "C8-BDW",
.desc = "MWAIT 0x40",
.flags = MWAIT2flg(0x40) | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 300,
.target_residency = 900,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.name = "C9-BDW",
.desc = "MWAIT 0x50",
.flags = MWAIT2flg(0x50) | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 600,
.target_residency = 1800,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.name = "C10-BDW",
.desc = "MWAIT 0x60",
.flags = MWAIT2flg(0x60) | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 2600,
.target_residency = 7700,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.enter = NULL }
};
@@ -511,28 +561,32 @@
.flags = MWAIT2flg(0x00),
.exit_latency = 10,
.target_residency = 20,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.name = "C2-ATM",
.desc = "MWAIT 0x10",
.flags = MWAIT2flg(0x10),
.exit_latency = 20,
.target_residency = 80,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.name = "C4-ATM",
.desc = "MWAIT 0x30",
.flags = MWAIT2flg(0x30) | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 100,
.target_residency = 400,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.name = "C6-ATM",
.desc = "MWAIT 0x52",
.flags = MWAIT2flg(0x52) | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 140,
.target_residency = 560,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.enter = NULL }
};
@@ -543,14 +597,16 @@
.flags = MWAIT2flg(0x00),
.exit_latency = 2,
.target_residency = 2,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.name = "C6-AVN",
.desc = "MWAIT 0x51",
.flags = MWAIT2flg(0x51) | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 15,
.target_residency = 45,
- .enter = &intel_idle },
+ .enter = &intel_idle,
+ .enter_freeze = intel_idle_freeze, },
{
.enter = NULL }
};
@@ -592,6 +648,21 @@
return index;
}
+/**
+ * intel_idle_freeze - simplified "enter" callback routine for suspend-to-idle
+ * @dev: cpuidle_device
+ * @drv: cpuidle driver
+ * @index: state index
+ */
+static void intel_idle_freeze(struct cpuidle_device *dev,
+ struct cpuidle_driver *drv, int index)
+{
+ unsigned long ecx = 1; /* break on interrupt flag */
+ unsigned long eax = flg2MWAIT(drv->states[index].flags);
+
+ mwait_idle_with_hints(eax, ecx);
+}
+
static void __setup_broadcast_timer(void *arg)
{
unsigned long reason = (unsigned long)arg;
diff --git a/fs/Kconfig.binfmt b/fs/Kconfig.binfmt
index c055d56..270c481 100644
--- a/fs/Kconfig.binfmt
+++ b/fs/Kconfig.binfmt
@@ -149,13 +149,6 @@
later load the module when you want to use a Linux/Intel binary. The
module will be called binfmt_em86. If unsure, say Y.
-config BINFMT_SOM
- tristate "Kernel support for SOM binaries"
- depends on PARISC && HPUX
- help
- SOM is a binary executable format inherited from HP/UX. Say
- Y here to be able to load and execute SOM binaries directly.
-
config BINFMT_MISC
tristate "Kernel support for MISC binaries"
---help---
diff --git a/fs/Makefile b/fs/Makefile
index 0f4635f..a88ac48 100644
--- a/fs/Makefile
+++ b/fs/Makefile
@@ -38,7 +38,6 @@
obj-$(CONFIG_BINFMT_ELF) += binfmt_elf.o
obj-$(CONFIG_COMPAT_BINFMT_ELF) += compat_binfmt_elf.o
obj-$(CONFIG_BINFMT_ELF_FDPIC) += binfmt_elf_fdpic.o
-obj-$(CONFIG_BINFMT_SOM) += binfmt_som.o
obj-$(CONFIG_BINFMT_FLAT) += binfmt_flat.o
obj-$(CONFIG_FS_MBCACHE) += mbcache.o
diff --git a/fs/binfmt_som.c b/fs/binfmt_som.c
deleted file mode 100644
index 4e00ed6..0000000
--- a/fs/binfmt_som.c
+++ /dev/null
@@ -1,299 +0,0 @@
-/*
- * linux/fs/binfmt_som.c
- *
- * These are the functions used to load SOM format executables as used
- * by HP-UX.
- *
- * Copyright 1999 Matthew Wilcox <willy@bofh.ai>
- * based on binfmt_elf which is
- * Copyright 1993, 1994: Eric Youngdale (ericy@cais.com).
- */
-
-#include <linux/module.h>
-
-#include <linux/fs.h>
-#include <linux/stat.h>
-#include <linux/sched.h>
-#include <linux/mm.h>
-#include <linux/mman.h>
-#include <linux/errno.h>
-#include <linux/signal.h>
-#include <linux/binfmts.h>
-#include <linux/som.h>
-#include <linux/string.h>
-#include <linux/file.h>
-#include <linux/fcntl.h>
-#include <linux/ptrace.h>
-#include <linux/slab.h>
-#include <linux/shm.h>
-#include <linux/personality.h>
-#include <linux/init.h>
-
-#include <asm/uaccess.h>
-#include <asm/pgtable.h>
-
-
-#include <linux/elf.h>
-
-static int load_som_binary(struct linux_binprm * bprm);
-static int load_som_library(struct file *);
-
-/*
- * If we don't support core dumping, then supply a NULL so we
- * don't even try.
- */
-#if 0
-static int som_core_dump(struct coredump_params *cprm);
-#else
-#define som_core_dump NULL
-#endif
-
-#define SOM_PAGESTART(_v) ((_v) & ~(unsigned long)(SOM_PAGESIZE-1))
-#define SOM_PAGEOFFSET(_v) ((_v) & (SOM_PAGESIZE-1))
-#define SOM_PAGEALIGN(_v) (((_v) + SOM_PAGESIZE - 1) & ~(SOM_PAGESIZE - 1))
-
-static struct linux_binfmt som_format = {
- .module = THIS_MODULE,
- .load_binary = load_som_binary,
- .load_shlib = load_som_library,
- .core_dump = som_core_dump,
- .min_coredump = SOM_PAGESIZE
-};
-
-/*
- * create_som_tables() parses the env- and arg-strings in new user
- * memory and creates the pointer tables from them, and puts their
- * addresses on the "stack", returning the new stack pointer value.
- */
-static void create_som_tables(struct linux_binprm *bprm)
-{
- char **argv, **envp;
- int argc = bprm->argc;
- int envc = bprm->envc;
- unsigned long p;
- unsigned long *sp;
-
- /* Word-align the stack pointer */
- sp = (unsigned long *)((bprm->p + 3) & ~3);
-
- envp = (char **) sp;
- sp += envc + 1;
- argv = (char **) sp;
- sp += argc + 1;
-
- __put_user((unsigned long) envp,++sp);
- __put_user((unsigned long) argv,++sp);
-
- __put_user(argc, ++sp);
-
- bprm->p = (unsigned long) sp;
-
- p = current->mm->arg_start;
- while (argc-- > 0) {
- __put_user((char *)p,argv++);
- p += strlen_user((char *)p);
- }
- __put_user(NULL, argv);
- current->mm->arg_end = current->mm->env_start = p;
- while (envc-- > 0) {
- __put_user((char *)p,envp++);
- p += strlen_user((char *)p);
- }
- __put_user(NULL, envp);
- current->mm->env_end = p;
-}
-
-static int check_som_header(struct som_hdr *som_ex)
-{
- int *buf = (int *)som_ex;
- int i, ck;
-
- if (som_ex->system_id != SOM_SID_PARISC_1_0 &&
- som_ex->system_id != SOM_SID_PARISC_1_1 &&
- som_ex->system_id != SOM_SID_PARISC_2_0)
- return -ENOEXEC;
-
- if (som_ex->a_magic != SOM_EXEC_NONSHARE &&
- som_ex->a_magic != SOM_EXEC_SHARE &&
- som_ex->a_magic != SOM_EXEC_DEMAND)
- return -ENOEXEC;
-
- if (som_ex->version_id != SOM_ID_OLD &&
- som_ex->version_id != SOM_ID_NEW)
- return -ENOEXEC;
-
- ck = 0;
- for (i=0; i<32; i++)
- ck ^= buf[i];
- if (ck != 0)
- return -ENOEXEC;
-
- return 0;
-}
-
-static int map_som_binary(struct file *file,
- const struct som_exec_auxhdr *hpuxhdr)
-{
- unsigned long code_start, code_size, data_start, data_size;
- unsigned long bss_start, som_brk;
- int retval;
- int prot = PROT_READ | PROT_EXEC;
- int flags = MAP_FIXED|MAP_PRIVATE|MAP_DENYWRITE|MAP_EXECUTABLE;
-
- mm_segment_t old_fs = get_fs();
- set_fs(get_ds());
-
- code_start = SOM_PAGESTART(hpuxhdr->exec_tmem);
- code_size = SOM_PAGEALIGN(hpuxhdr->exec_tsize);
- current->mm->start_code = code_start;
- current->mm->end_code = code_start + code_size;
- retval = vm_mmap(file, code_start, code_size, prot,
- flags, SOM_PAGESTART(hpuxhdr->exec_tfile));
- if (retval < 0 && retval > -1024)
- goto out;
-
- data_start = SOM_PAGESTART(hpuxhdr->exec_dmem);
- data_size = SOM_PAGEALIGN(hpuxhdr->exec_dsize);
- current->mm->start_data = data_start;
- current->mm->end_data = bss_start = data_start + data_size;
- retval = vm_mmap(file, data_start, data_size,
- prot | PROT_WRITE, flags,
- SOM_PAGESTART(hpuxhdr->exec_dfile));
- if (retval < 0 && retval > -1024)
- goto out;
-
- som_brk = bss_start + SOM_PAGEALIGN(hpuxhdr->exec_bsize);
- current->mm->start_brk = current->mm->brk = som_brk;
- retval = vm_mmap(NULL, bss_start, som_brk - bss_start,
- prot | PROT_WRITE, MAP_FIXED | MAP_PRIVATE, 0);
- if (retval > 0 || retval < -1024)
- retval = 0;
-out:
- set_fs(old_fs);
- return retval;
-}
-
-
-/*
- * These are the functions used to load SOM executables and shared
- * libraries. There is no binary dependent code anywhere else.
- */
-
-static int
-load_som_binary(struct linux_binprm * bprm)
-{
- int retval;
- unsigned int size;
- unsigned long som_entry;
- struct som_hdr *som_ex;
- struct som_exec_auxhdr *hpuxhdr;
- struct pt_regs *regs = current_pt_regs();
-
- /* Get the exec-header */
- som_ex = (struct som_hdr *) bprm->buf;
-
- retval = check_som_header(som_ex);
- if (retval != 0)
- goto out;
-
- /* Now read in the auxiliary header information */
-
- retval = -ENOMEM;
- size = som_ex->aux_header_size;
- if (size > SOM_PAGESIZE)
- goto out;
- hpuxhdr = kmalloc(size, GFP_KERNEL);
- if (!hpuxhdr)
- goto out;
-
- retval = kernel_read(bprm->file, som_ex->aux_header_location,
- (char *) hpuxhdr, size);
- if (retval != size) {
- if (retval >= 0)
- retval = -EIO;
- goto out_free;
- }
-
- /* Flush all traces of the currently running executable */
- retval = flush_old_exec(bprm);
- if (retval)
- goto out_free;
-
- /* OK, This is the point of no return */
- current->personality = PER_HPUX;
- setup_new_exec(bprm);
-
- /* Set the task size for HP-UX processes such that
- * the gateway page is outside the address space.
- * This can be fixed later, but for now, this is much
- * easier.
- */
-
- current->thread.task_size = 0xc0000000;
-
- /* Set map base to allow enough room for hp-ux heap growth */
-
- current->thread.map_base = 0x80000000;
-
- retval = map_som_binary(bprm->file, hpuxhdr);
- if (retval < 0)
- goto out_free;
-
- som_entry = hpuxhdr->exec_entry;
- kfree(hpuxhdr);
-
- set_binfmt(&som_format);
- install_exec_creds(bprm);
- setup_arg_pages(bprm, STACK_TOP, EXSTACK_DEFAULT);
-
- create_som_tables(bprm);
-
- current->mm->start_stack = bprm->p;
-
-#if 0
- printk("(start_brk) %08lx\n" , (unsigned long) current->mm->start_brk);
- printk("(end_code) %08lx\n" , (unsigned long) current->mm->end_code);
- printk("(start_code) %08lx\n" , (unsigned long) current->mm->start_code);
- printk("(end_data) %08lx\n" , (unsigned long) current->mm->end_data);
- printk("(start_stack) %08lx\n" , (unsigned long) current->mm->start_stack);
- printk("(brk) %08lx\n" , (unsigned long) current->mm->brk);
-#endif
-
- map_hpux_gateway_page(current,current->mm);
-
- start_thread_som(regs, som_entry, bprm->p);
- return 0;
-
- /* error cleanup */
-out_free:
- kfree(hpuxhdr);
-out:
- return retval;
-}
-
-static int load_som_library(struct file *f)
-{
-/* No lib support in SOM yet. gizza chance.. */
- return -ENOEXEC;
-}
- /* Install the SOM loader.
- * N.B. We *rely* on the table being the right size with the
- * right number of free slots...
- */
-
-static int __init init_som_binfmt(void)
-{
- register_binfmt(&som_format);
- return 0;
-}
-
-static void __exit exit_som_binfmt(void)
-{
- /* Remove the SOM loader. */
- unregister_binfmt(&som_format);
-}
-
-core_initcall(init_som_binfmt);
-module_exit(exit_som_binfmt);
-
-MODULE_LICENSE("GPL");
diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h
index ab70f3b..f551a92 100644
--- a/include/linux/cpuidle.h
+++ b/include/linux/cpuidle.h
@@ -50,6 +50,15 @@
int index);
int (*enter_dead) (struct cpuidle_device *dev, int index);
+
+ /*
+ * CPUs execute ->enter_freeze with the local tick or entire timekeeping
+ * suspended, so it must not re-enable interrupts at any point (even
+ * temporarily) or attempt to change states of clock event devices.
+ */
+ void (*enter_freeze) (struct cpuidle_device *dev,
+ struct cpuidle_driver *drv,
+ int index);
};
/* Idle State Flags */
@@ -141,7 +150,7 @@
extern int cpuidle_enable_device(struct cpuidle_device *dev);
extern void cpuidle_disable_device(struct cpuidle_device *dev);
extern int cpuidle_play_dead(void);
-extern void cpuidle_use_deepest_state(bool enable);
+extern void cpuidle_enter_freeze(void);
extern struct cpuidle_driver *cpuidle_get_cpu_driver(struct cpuidle_device *dev);
#else
@@ -174,7 +183,7 @@
{return -ENODEV; }
static inline void cpuidle_disable_device(struct cpuidle_device *dev) { }
static inline int cpuidle_play_dead(void) {return -ENODEV; }
-static inline void cpuidle_use_deepest_state(bool enable) {}
+static inline void cpuidle_enter_freeze(void) { }
static inline struct cpuidle_driver *cpuidle_get_cpu_driver(
struct cpuidle_device *dev) {return NULL; }
#endif
diff --git a/include/linux/suspend.h b/include/linux/suspend.h
index 3388c1b..5efe743 100644
--- a/include/linux/suspend.h
+++ b/include/linux/suspend.h
@@ -201,6 +201,21 @@
*/
extern void suspend_set_ops(const struct platform_suspend_ops *ops);
extern int suspend_valid_only_mem(suspend_state_t state);
+
+/* Suspend-to-idle state machnine. */
+enum freeze_state {
+ FREEZE_STATE_NONE, /* Not suspended/suspending. */
+ FREEZE_STATE_ENTER, /* Enter suspend-to-idle. */
+ FREEZE_STATE_WAKE, /* Wake up from suspend-to-idle. */
+};
+
+extern enum freeze_state __read_mostly suspend_freeze_state;
+
+static inline bool idle_should_freeze(void)
+{
+ return unlikely(suspend_freeze_state == FREEZE_STATE_ENTER);
+}
+
extern void freeze_set_ops(const struct platform_freeze_ops *ops);
extern void freeze_wake(void);
@@ -228,6 +243,7 @@
static inline void suspend_set_ops(const struct platform_suspend_ops *ops) {}
static inline int pm_suspend(suspend_state_t state) { return -ENOSYS; }
+static inline bool idle_should_freeze(void) { return false; }
static inline void freeze_set_ops(const struct platform_freeze_ops *ops) {}
static inline void freeze_wake(void) {}
#endif /* !CONFIG_SUSPEND */
diff --git a/include/linux/tick.h b/include/linux/tick.h
index eda850c..9c085dc 100644
--- a/include/linux/tick.h
+++ b/include/linux/tick.h
@@ -79,6 +79,9 @@
extern int tick_is_oneshot_available(void);
extern struct tick_device *tick_get_device(int cpu);
+extern void tick_freeze(void);
+extern void tick_unfreeze(void);
+
# ifdef CONFIG_HIGH_RES_TIMERS
extern int tick_init_highres(void);
extern int tick_program_event(ktime_t expires, int force);
@@ -119,6 +122,8 @@
#else /* CONFIG_GENERIC_CLOCKEVENTS */
static inline void tick_init(void) { }
+static inline void tick_freeze(void) { }
+static inline void tick_unfreeze(void) { }
static inline void tick_cancel_sched_timer(int cpu) { }
static inline void tick_clock_notify(void) { }
static inline int tick_check_oneshot_change(int allow_nohz) { return 0; }
@@ -226,5 +231,4 @@
__tick_nohz_task_switch(tsk);
}
-
#endif
diff --git a/include/uapi/linux/Kbuild b/include/uapi/linux/Kbuild
index 7b8141b..68ceb97 100644
--- a/include/uapi/linux/Kbuild
+++ b/include/uapi/linux/Kbuild
@@ -370,7 +370,6 @@
header-y += sock_diag.h
header-y += socket.h
header-y += sockios.h
-header-y += som.h
header-y += sonet.h
header-y += sonypi.h
header-y += soundcard.h
diff --git a/include/uapi/linux/som.h b/include/uapi/linux/som.h
deleted file mode 100644
index 166594e..0000000
--- a/include/uapi/linux/som.h
+++ /dev/null
@@ -1,154 +0,0 @@
-#ifndef _LINUX_SOM_H
-#define _LINUX_SOM_H
-
-/* File format definition for SOM executables / shared libraries */
-
-/* we need struct timespec */
-#include <linux/time.h>
-
-#define SOM_PAGESIZE 4096
-
-/* this is the SOM header */
-struct som_hdr {
- short system_id; /* magic number - system */
- short a_magic; /* magic number - file type */
- unsigned int version_id; /* versiod ID: YYMMDDHH */
- struct timespec file_time; /* system clock */
- unsigned int entry_space; /* space for entry point */
- unsigned int entry_subspace; /* subspace for entry point */
- unsigned int entry_offset; /* offset of entry point */
- unsigned int aux_header_location; /* auxiliary header location */
- unsigned int aux_header_size; /* auxiliary header size */
- unsigned int som_length; /* length of entire SOM */
- unsigned int presumed_dp; /* compiler's DP value */
- unsigned int space_location; /* space dictionary location */
- unsigned int space_total; /* number of space entries */
- unsigned int subspace_location; /* subspace entries location */
- unsigned int subspace_total; /* number of subspace entries */
- unsigned int loader_fixup_location; /* MPE/iX loader fixup */
- unsigned int loader_fixup_total; /* number of fixup records */
- unsigned int space_strings_location; /* (sub)space names */
- unsigned int space_strings_size; /* size of strings area */
- unsigned int init_array_location; /* reserved */
- unsigned int init_array_total; /* reserved */
- unsigned int compiler_location; /* module dictionary */
- unsigned int compiler_total; /* number of modules */
- unsigned int symbol_location; /* symbol dictionary */
- unsigned int symbol_total; /* number of symbols */
- unsigned int fixup_request_location; /* fixup requests */
- unsigned int fixup_request_total; /* number of fixup requests */
- unsigned int symbol_strings_location;/* module & symbol names area */
- unsigned int symbol_strings_size; /* size of strings area */
- unsigned int unloadable_sp_location; /* unloadable spaces location */
- unsigned int unloadable_sp_size; /* size of data */
- unsigned int checksum;
-};
-
-/* values for system_id */
-
-#define SOM_SID_PARISC_1_0 0x020b
-#define SOM_SID_PARISC_1_1 0x0210
-#define SOM_SID_PARISC_2_0 0x0214
-
-/* values for a_magic */
-
-#define SOM_LIB_EXEC 0x0104
-#define SOM_RELOCATABLE 0x0106
-#define SOM_EXEC_NONSHARE 0x0107
-#define SOM_EXEC_SHARE 0x0108
-#define SOM_EXEC_DEMAND 0x010B
-#define SOM_LIB_DYN 0x010D
-#define SOM_LIB_SHARE 0x010E
-#define SOM_LIB_RELOC 0x0619
-
-/* values for version_id. Decimal not hex, yes. Grr. */
-
-#define SOM_ID_OLD 85082112
-#define SOM_ID_NEW 87102412
-
-struct aux_id {
- unsigned int mandatory :1; /* the linker must understand this */
- unsigned int copy :1; /* Must be copied by the linker */
- unsigned int append :1; /* Must be merged by the linker */
- unsigned int ignore :1; /* Discard section if unknown */
- unsigned int reserved :12;
- unsigned int type :16; /* Header type */
- unsigned int length; /* length of _following_ data */
-};
-
-/* The Exec Auxiliary Header. Called The HP-UX Header within HP apparently. */
-struct som_exec_auxhdr {
- struct aux_id som_auxhdr;
- int exec_tsize; /* Text size in bytes */
- int exec_tmem; /* Address to load text at */
- int exec_tfile; /* Location of text in file */
- int exec_dsize; /* Data size in bytes */
- int exec_dmem; /* Address to load data at */
- int exec_dfile; /* Location of data in file */
- int exec_bsize; /* Uninitialised data (bss) */
- int exec_entry; /* Address to start executing */
- int exec_flags; /* loader flags */
- int exec_bfill; /* initialisation value for bss */
-};
-
-/* Oh, the things people do to avoid casts. Shame it'll break with gcc's
- * new aliasing rules really.
- */
-union name_pt {
- char * n_name;
- unsigned int n_strx;
-};
-
-/* The Space Dictionary */
-struct space_dictionary_record {
- union name_pt name; /* index to subspace name */
- unsigned int is_loadable :1; /* loadable */
- unsigned int is_defined :1; /* defined within file */
- unsigned int is_private :1; /* not sharable */
- unsigned int has_intermediate_code :1; /* contains intermediate code */
- unsigned int is_tspecific :1; /* thread specific */
- unsigned int reserved :11; /* for future expansion */
- unsigned int sort_key :8; /* for linker */
- unsigned int reserved2 :8; /* for future expansion */
-
- int space_number; /* index */
- int subspace_index; /* index into subspace dict */
- unsigned int subspace_quantity; /* number of subspaces */
- int loader_fix_index; /* for loader */
- unsigned int loader_fix_quantity; /* for loader */
- int init_pointer_index; /* data pointer array index */
- unsigned int init_pointer_quantity; /* number of data pointers */
-};
-
-/* The Subspace Dictionary */
-struct subspace_dictionary_record {
- int space_index;
- unsigned int access_control_bits :7;
- unsigned int memory_resident :1;
- unsigned int dup_common :1;
- unsigned int is_common :1;
- unsigned int quadrant :2;
- unsigned int initially_frozen :1;
- unsigned int is_first :1;
- unsigned int code_only :1;
- unsigned int sort_key :8;
- unsigned int replicate_init :1;
- unsigned int continuation :1;
- unsigned int is_tspecific :1;
- unsigned int is_comdat :1;
- unsigned int reserved :4;
-
- int file_loc_init_value;
- unsigned int initialization_length;
- unsigned int subspace_start;
- unsigned int subspace_length;
-
- unsigned int reserved2 :5;
- unsigned int alignment :27;
-
- union name_pt name;
- int fixup_request_index;
- unsigned int fixup_request_quantity;
-};
-
-#endif /* _LINUX_SOM_H */
diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c
index c347e3c..b7d6b3a 100644
--- a/kernel/power/suspend.c
+++ b/kernel/power/suspend.c
@@ -37,7 +37,9 @@
static const struct platform_suspend_ops *suspend_ops;
static const struct platform_freeze_ops *freeze_ops;
static DECLARE_WAIT_QUEUE_HEAD(suspend_freeze_wait_head);
-static bool suspend_freeze_wake;
+
+enum freeze_state __read_mostly suspend_freeze_state;
+static DEFINE_SPINLOCK(suspend_freeze_lock);
void freeze_set_ops(const struct platform_freeze_ops *ops)
{
@@ -48,22 +50,49 @@
static void freeze_begin(void)
{
- suspend_freeze_wake = false;
+ suspend_freeze_state = FREEZE_STATE_NONE;
}
static void freeze_enter(void)
{
- cpuidle_use_deepest_state(true);
+ spin_lock_irq(&suspend_freeze_lock);
+ if (pm_wakeup_pending())
+ goto out;
+
+ suspend_freeze_state = FREEZE_STATE_ENTER;
+ spin_unlock_irq(&suspend_freeze_lock);
+
+ get_online_cpus();
cpuidle_resume();
- wait_event(suspend_freeze_wait_head, suspend_freeze_wake);
+
+ /* Push all the CPUs into the idle loop. */
+ wake_up_all_idle_cpus();
+ pr_debug("PM: suspend-to-idle\n");
+ /* Make the current CPU wait so it can enter the idle loop too. */
+ wait_event(suspend_freeze_wait_head,
+ suspend_freeze_state == FREEZE_STATE_WAKE);
+ pr_debug("PM: resume from suspend-to-idle\n");
+
cpuidle_pause();
- cpuidle_use_deepest_state(false);
+ put_online_cpus();
+
+ spin_lock_irq(&suspend_freeze_lock);
+
+ out:
+ suspend_freeze_state = FREEZE_STATE_NONE;
+ spin_unlock_irq(&suspend_freeze_lock);
}
void freeze_wake(void)
{
- suspend_freeze_wake = true;
- wake_up(&suspend_freeze_wait_head);
+ unsigned long flags;
+
+ spin_lock_irqsave(&suspend_freeze_lock, flags);
+ if (suspend_freeze_state > FREEZE_STATE_NONE) {
+ suspend_freeze_state = FREEZE_STATE_WAKE;
+ wake_up(&suspend_freeze_wait_head);
+ }
+ spin_unlock_irqrestore(&suspend_freeze_lock, flags);
}
EXPORT_SYMBOL_GPL(freeze_wake);
diff --git a/kernel/sched/idle.c b/kernel/sched/idle.c
index aaf1c1d..94b2d7b 100644
--- a/kernel/sched/idle.c
+++ b/kernel/sched/idle.c
@@ -7,6 +7,7 @@
#include <linux/tick.h>
#include <linux/mm.h>
#include <linux/stackprotector.h>
+#include <linux/suspend.h>
#include <asm/tlb.h>
@@ -105,6 +106,21 @@
rcu_idle_enter();
/*
+ * Suspend-to-idle ("freeze") is a system state in which all user space
+ * has been frozen, all I/O devices have been suspended and the only
+ * activity happens here and in iterrupts (if any). In that case bypass
+ * the cpuidle governor and go stratight for the deepest idle state
+ * available. Possibly also suspend the local tick and the entire
+ * timekeeping to prevent timer interrupts from kicking us out of idle
+ * until a proper wakeup interrupt happens.
+ */
+ if (idle_should_freeze()) {
+ cpuidle_enter_freeze();
+ local_irq_enable();
+ goto exit_idle;
+ }
+
+ /*
* Ask the cpuidle framework to choose a convenient idle state.
* Fall back to the default arch idle method on errors.
*/
diff --git a/kernel/time/tick-common.c b/kernel/time/tick-common.c
index 7efeedf..f7c5155 100644
--- a/kernel/time/tick-common.c
+++ b/kernel/time/tick-common.c
@@ -394,6 +394,56 @@
}
}
+static DEFINE_RAW_SPINLOCK(tick_freeze_lock);
+static unsigned int tick_freeze_depth;
+
+/**
+ * tick_freeze - Suspend the local tick and (possibly) timekeeping.
+ *
+ * Check if this is the last online CPU executing the function and if so,
+ * suspend timekeeping. Otherwise suspend the local tick.
+ *
+ * Call with interrupts disabled. Must be balanced with %tick_unfreeze().
+ * Interrupts must not be enabled before the subsequent %tick_unfreeze().
+ */
+void tick_freeze(void)
+{
+ raw_spin_lock(&tick_freeze_lock);
+
+ tick_freeze_depth++;
+ if (tick_freeze_depth == num_online_cpus()) {
+ timekeeping_suspend();
+ } else {
+ tick_suspend();
+ tick_suspend_broadcast();
+ }
+
+ raw_spin_unlock(&tick_freeze_lock);
+}
+
+/**
+ * tick_unfreeze - Resume the local tick and (possibly) timekeeping.
+ *
+ * Check if this is the first CPU executing the function and if so, resume
+ * timekeeping. Otherwise resume the local tick.
+ *
+ * Call with interrupts disabled. Must be balanced with %tick_freeze().
+ * Interrupts must not be enabled after the preceding %tick_freeze().
+ */
+void tick_unfreeze(void)
+{
+ raw_spin_lock(&tick_freeze_lock);
+
+ if (tick_freeze_depth == num_online_cpus())
+ timekeeping_resume();
+ else
+ tick_resume();
+
+ tick_freeze_depth--;
+
+ raw_spin_unlock(&tick_freeze_lock);
+}
+
/**
* tick_init - initialize the tick control
*/
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index b124af2..91db941 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -230,9 +230,7 @@
/**
* update_fast_timekeeper - Update the fast and NMI safe monotonic timekeeper.
- * @tk: The timekeeper from which we take the update
- * @tkf: The fast timekeeper to update
- * @tbase: The time base for the fast timekeeper (mono/raw)
+ * @tkr: Timekeeping readout base from which we take the update
*
* We want to use this from any context including NMI and tracing /
* instrumenting the timekeeping code itself.
@@ -244,11 +242,11 @@
* smp_wmb(); <- Ensure that the last base[1] update is visible
* tkf->seq++;
* smp_wmb(); <- Ensure that the seqcount update is visible
- * update(tkf->base[0], tk);
+ * update(tkf->base[0], tkr);
* smp_wmb(); <- Ensure that the base[0] update is visible
* tkf->seq++;
* smp_wmb(); <- Ensure that the seqcount update is visible
- * update(tkf->base[1], tk);
+ * update(tkf->base[1], tkr);
*
* The reader side does:
*
@@ -269,7 +267,7 @@
* slightly wrong timestamp (a few nanoseconds). See
* @ktime_get_mono_fast_ns.
*/
-static void update_fast_timekeeper(struct timekeeper *tk)
+static void update_fast_timekeeper(struct tk_read_base *tkr)
{
struct tk_read_base *base = tk_fast_mono.base;
@@ -277,7 +275,7 @@
raw_write_seqcount_latch(&tk_fast_mono.seq);
/* Update base[0] */
- memcpy(base, &tk->tkr, sizeof(*base));
+ memcpy(base, tkr, sizeof(*base));
/* Force readers back to base[0] */
raw_write_seqcount_latch(&tk_fast_mono.seq);
@@ -334,6 +332,35 @@
}
EXPORT_SYMBOL_GPL(ktime_get_mono_fast_ns);
+/* Suspend-time cycles value for halted fast timekeeper. */
+static cycle_t cycles_at_suspend;
+
+static cycle_t dummy_clock_read(struct clocksource *cs)
+{
+ return cycles_at_suspend;
+}
+
+/**
+ * halt_fast_timekeeper - Prevent fast timekeeper from accessing clocksource.
+ * @tk: Timekeeper to snapshot.
+ *
+ * It generally is unsafe to access the clocksource after timekeeping has been
+ * suspended, so take a snapshot of the readout base of @tk and use it as the
+ * fast timekeeper's readout base while suspended. It will return the same
+ * number of cycles every time until timekeeping is resumed at which time the
+ * proper readout base for the fast timekeeper will be restored automatically.
+ */
+static void halt_fast_timekeeper(struct timekeeper *tk)
+{
+ static struct tk_read_base tkr_dummy;
+ struct tk_read_base *tkr = &tk->tkr;
+
+ memcpy(&tkr_dummy, tkr, sizeof(tkr_dummy));
+ cycles_at_suspend = tkr->read(tkr->clock);
+ tkr_dummy.read = dummy_clock_read;
+ update_fast_timekeeper(&tkr_dummy);
+}
+
#ifdef CONFIG_GENERIC_TIME_VSYSCALL_OLD
static inline void update_vsyscall(struct timekeeper *tk)
@@ -462,7 +489,7 @@
memcpy(&shadow_timekeeper, &tk_core.timekeeper,
sizeof(tk_core.timekeeper));
- update_fast_timekeeper(tk);
+ update_fast_timekeeper(&tk->tkr);
}
/**
@@ -1170,7 +1197,7 @@
* xtime/wall_to_monotonic/jiffies/etc are
* still managed by arch specific suspend/resume code.
*/
-static void timekeeping_resume(void)
+void timekeeping_resume(void)
{
struct timekeeper *tk = &tk_core.timekeeper;
struct clocksource *clock = tk->tkr.clock;
@@ -1251,7 +1278,7 @@
hrtimers_resume();
}
-static int timekeeping_suspend(void)
+int timekeeping_suspend(void)
{
struct timekeeper *tk = &tk_core.timekeeper;
unsigned long flags;
@@ -1296,6 +1323,7 @@
}
timekeeping_update(tk, TK_MIRROR);
+ halt_fast_timekeeper(tk);
write_seqcount_end(&tk_core.seq);
raw_spin_unlock_irqrestore(&timekeeper_lock, flags);
diff --git a/kernel/time/timekeeping.h b/kernel/time/timekeeping.h
index adc1fc9..1d91416 100644
--- a/kernel/time/timekeeping.h
+++ b/kernel/time/timekeeping.h
@@ -16,5 +16,7 @@
extern s32 timekeeping_get_tai_offset(void);
extern void timekeeping_set_tai_offset(s32 tai_offset);
extern void timekeeping_clocktai(struct timespec *ts);
+extern int timekeeping_suspend(void);
+extern void timekeeping_resume(void);
#endif
diff --git a/security/keys/request_key.c b/security/keys/request_key.c
index 0c7aea4..486ef6f 100644
--- a/security/keys/request_key.c
+++ b/security/keys/request_key.c
@@ -414,6 +414,7 @@
link_prealloc_failed:
mutex_unlock(&user->cons_lock);
+ key_put(key);
kleave(" = %d [prelink]", ret);
return ret;
diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index a0ccce4..ed94f6f 100644
--- a/security/smack/smack_lsm.c
+++ b/security/smack/smack_lsm.c
@@ -3818,6 +3818,18 @@
}
#endif /* CONFIG_IPV6 */
+#ifdef CONFIG_SECURITY_SMACK_NETFILTER
+ /*
+ * If there is a secmark use it rather than the CIPSO label.
+ * If there is no secmark fall back to CIPSO.
+ * The secmark is assumed to reflect policy better.
+ */
+ if (skb && skb->secmark != 0) {
+ skp = smack_from_secid(skb->secmark);
+ goto access_check;
+ }
+#endif /* CONFIG_SECURITY_SMACK_NETFILTER */
+
netlbl_secattr_init(&secattr);
rc = netlbl_skbuff_getattr(skb, family, &secattr);
if (rc == 0)
@@ -3826,6 +3838,10 @@
skp = &smack_known_huh;
netlbl_secattr_destroy(&secattr);
+#ifdef CONFIG_SECURITY_SMACK_NETFILTER
+access_check:
+#endif
+
#ifdef CONFIG_AUDIT
smk_ad_init_net(&ad, __func__, LSM_AUDIT_DATA_NET, &net);
ad.a.u.net->family = family;