Ralf Baechle | dbee90b | 2006-02-02 14:31:16 +0000 | [diff] [blame] | 1 | #include <asm/asm-offsets.h> |
Nelson Elhage | a0b54e2 | 2009-07-31 16:58:18 -0400 | [diff] [blame] | 2 | #include <asm/page.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3 | #include <asm-generic/vmlinux.lds.h> |
| 4 | |
Ralf Baechle | 41c594a | 2006-04-05 09:45:45 +0100 | [diff] [blame] | 5 | #undef mips |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6 | #define mips mips |
| 7 | OUTPUT_ARCH(mips) |
| 8 | ENTRY(kernel_entry) |
Ralf Baechle | 603bb99 | 2007-10-14 22:49:01 +0100 | [diff] [blame] | 9 | PHDRS { |
| 10 | text PT_LOAD FLAGS(7); /* RWX */ |
| 11 | note PT_NOTE FLAGS(4); /* R__ */ |
| 12 | } |
Sam Ravnborg | 51b563f | 2009-09-20 12:28:22 +0200 | [diff] [blame] | 13 | |
Manuel Lauss | d71789b | 2009-09-24 21:44:24 +0200 | [diff] [blame] | 14 | #ifdef CONFIG_32BIT |
| 15 | #ifdef CONFIG_CPU_LITTLE_ENDIAN |
Sam Ravnborg | 51b563f | 2009-09-20 12:28:22 +0200 | [diff] [blame] | 16 | jiffies = jiffies_64; |
Manuel Lauss | d71789b | 2009-09-24 21:44:24 +0200 | [diff] [blame] | 17 | #else |
Sam Ravnborg | 51b563f | 2009-09-20 12:28:22 +0200 | [diff] [blame] | 18 | jiffies = jiffies_64 + 4; |
Manuel Lauss | d71789b | 2009-09-24 21:44:24 +0200 | [diff] [blame] | 19 | #endif |
| 20 | #else |
Sam Ravnborg | 51b563f | 2009-09-20 12:28:22 +0200 | [diff] [blame] | 21 | jiffies = jiffies_64; |
Manuel Lauss | d71789b | 2009-09-24 21:44:24 +0200 | [diff] [blame] | 22 | #endif |
Sam Ravnborg | 0f5c906 | 2007-09-15 23:35:53 +0200 | [diff] [blame] | 23 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 | SECTIONS |
| 25 | { |
| 26 | #ifdef CONFIG_BOOT_ELF64 |
Sam Ravnborg | 0f5c906 | 2007-09-15 23:35:53 +0200 | [diff] [blame] | 27 | /* Read-only sections, merged into text segment: */ |
| 28 | /* . = 0xc000000000000000; */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 29 | |
Sam Ravnborg | 0f5c906 | 2007-09-15 23:35:53 +0200 | [diff] [blame] | 30 | /* This is the value for an Origin kernel, taken from an IRIX kernel. */ |
| 31 | /* . = 0xc00000000001c000; */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 32 | |
Sam Ravnborg | 0f5c906 | 2007-09-15 23:35:53 +0200 | [diff] [blame] | 33 | /* Set the vaddr for the text segment to a value |
| 34 | * >= 0xa800 0000 0001 9000 if no symmon is going to configured |
| 35 | * >= 0xa800 0000 0030 0000 otherwise |
| 36 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 37 | |
Sam Ravnborg | 0f5c906 | 2007-09-15 23:35:53 +0200 | [diff] [blame] | 38 | /* . = 0xa800000000300000; */ |
Sam Ravnborg | 0f5c906 | 2007-09-15 23:35:53 +0200 | [diff] [blame] | 39 | . = 0xffffffff80300000; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 40 | #endif |
Sam Ravnborg | 51b563f | 2009-09-20 12:28:22 +0200 | [diff] [blame] | 41 | . = VMLINUX_LOAD_ADDRESS; |
Sam Ravnborg | 0f5c906 | 2007-09-15 23:35:53 +0200 | [diff] [blame] | 42 | /* read-only */ |
| 43 | _text = .; /* Text and read-only data */ |
| 44 | .text : { |
| 45 | TEXT_TEXT |
| 46 | SCHED_TEXT |
| 47 | LOCK_TEXT |
Ralf Baechle | f70fd1b | 2007-10-14 22:50:05 +0100 | [diff] [blame] | 48 | KPROBES_TEXT |
Wu Zhangjin | 8f99a16 | 2009-11-20 20:34:33 +0800 | [diff] [blame] | 49 | IRQENTRY_TEXT |
Atsushi Nemoto | 6b3766a | 2008-08-05 23:45:14 +0900 | [diff] [blame] | 50 | *(.text.*) |
Sam Ravnborg | 0f5c906 | 2007-09-15 23:35:53 +0200 | [diff] [blame] | 51 | *(.fixup) |
| 52 | *(.gnu.warning) |
Ralf Baechle | 603bb99 | 2007-10-14 22:49:01 +0100 | [diff] [blame] | 53 | } :text = 0 |
Sam Ravnborg | 0f5c906 | 2007-09-15 23:35:53 +0200 | [diff] [blame] | 54 | _etext = .; /* End of text section */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 55 | |
Nelson Elhage | 6eb10bc | 2009-07-31 16:58:19 -0400 | [diff] [blame] | 56 | EXCEPTION_TABLE(16) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 57 | |
Sam Ravnborg | 0f5c906 | 2007-09-15 23:35:53 +0200 | [diff] [blame] | 58 | /* Exception table for data bus errors */ |
| 59 | __dbe_table : { |
| 60 | __start___dbe_table = .; |
| 61 | *(__dbe_table) |
| 62 | __stop___dbe_table = .; |
| 63 | } |
Ralf Baechle | 603bb99 | 2007-10-14 22:49:01 +0100 | [diff] [blame] | 64 | |
| 65 | NOTES :text :note |
| 66 | .dummy : { *(.dummy) } :text |
| 67 | |
Steven Rostedt | a2d063a | 2011-05-19 21:34:58 -0400 | [diff] [blame] | 68 | _sdata = .; /* Start of data section */ |
Sam Ravnborg | 0f5c906 | 2007-09-15 23:35:53 +0200 | [diff] [blame] | 69 | RODATA |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 70 | |
Sam Ravnborg | 0f5c906 | 2007-09-15 23:35:53 +0200 | [diff] [blame] | 71 | /* writeable */ |
Maxin John | c0a5afb | 2011-03-29 00:15:55 +0300 | [diff] [blame] | 72 | _sdata = .; /* Start of data section */ |
Sam Ravnborg | 0f5c906 | 2007-09-15 23:35:53 +0200 | [diff] [blame] | 73 | .data : { /* Data */ |
Franck Bui-Huu | 16be243 | 2007-10-18 23:12:32 +0200 | [diff] [blame] | 74 | . = . + DATAOFFSET; /* for CONFIG_MAPPED_KERNEL */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 75 | |
Nelson Elhage | 6eb10bc | 2009-07-31 16:58:19 -0400 | [diff] [blame] | 76 | INIT_TASK_DATA(PAGE_SIZE) |
| 77 | NOSAVE_DATA |
| 78 | CACHELINE_ALIGNED_DATA(1 << CONFIG_MIPS_L1_CACHE_SHIFT) |
Catalin Marinas | f8bec75 | 2011-03-29 11:40:06 +0100 | [diff] [blame] | 79 | READ_MOSTLY_DATA(1 << CONFIG_MIPS_L1_CACHE_SHIFT) |
Franck Bui-Huu | 16be243 | 2007-10-18 23:12:32 +0200 | [diff] [blame] | 80 | DATA_DATA |
| 81 | CONSTRUCTORS |
Sam Ravnborg | 0f5c906 | 2007-09-15 23:35:53 +0200 | [diff] [blame] | 82 | } |
| 83 | _gp = . + 0x8000; |
| 84 | .lit8 : { |
| 85 | *(.lit8) |
| 86 | } |
| 87 | .lit4 : { |
| 88 | *(.lit4) |
| 89 | } |
| 90 | /* We want the small data sections together, so single-instruction offsets |
| 91 | can access them all, and initialized data all before uninitialized, so |
| 92 | we can shorten the on-disk segment size. */ |
| 93 | .sdata : { |
| 94 | *(.sdata) |
| 95 | } |
Sam Ravnborg | 0f5c906 | 2007-09-15 23:35:53 +0200 | [diff] [blame] | 96 | _edata = .; /* End of data section */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 97 | |
Sam Ravnborg | 0f5c906 | 2007-09-15 23:35:53 +0200 | [diff] [blame] | 98 | /* will be freed after init */ |
Nelson Elhage | a0b54e2 | 2009-07-31 16:58:18 -0400 | [diff] [blame] | 99 | . = ALIGN(PAGE_SIZE); /* Init code and data */ |
Sam Ravnborg | 0f5c906 | 2007-09-15 23:35:53 +0200 | [diff] [blame] | 100 | __init_begin = .; |
Nelson Elhage | 6eb10bc | 2009-07-31 16:58:19 -0400 | [diff] [blame] | 101 | INIT_TEXT_SECTION(PAGE_SIZE) |
| 102 | INIT_DATA_SECTION(16) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 103 | |
Gabor Juhos | 487d70d | 2010-11-23 16:06:25 +0100 | [diff] [blame] | 104 | . = ALIGN(4); |
| 105 | .mips.machines.init : AT(ADDR(.mips.machines.init) - LOAD_OFFSET) { |
| 106 | __mips_machines_start = .; |
| 107 | *(.mips.machines.init) |
| 108 | __mips_machines_end = .; |
| 109 | } |
| 110 | |
Sam Ravnborg | 0f5c906 | 2007-09-15 23:35:53 +0200 | [diff] [blame] | 111 | /* .exit.text is discarded at runtime, not link time, to deal with |
| 112 | * references from .rodata |
| 113 | */ |
| 114 | .exit.text : { |
Sam Ravnborg | 01ba2bd | 2008-01-20 14:15:03 +0100 | [diff] [blame] | 115 | EXIT_TEXT |
Sam Ravnborg | 0f5c906 | 2007-09-15 23:35:53 +0200 | [diff] [blame] | 116 | } |
| 117 | .exit.data : { |
Sam Ravnborg | 01ba2bd | 2008-01-20 14:15:03 +0100 | [diff] [blame] | 118 | EXIT_DATA |
Sam Ravnborg | 0f5c906 | 2007-09-15 23:35:53 +0200 | [diff] [blame] | 119 | } |
Nelson Elhage | 6eb10bc | 2009-07-31 16:58:19 -0400 | [diff] [blame] | 120 | |
Tejun Heo | 0415b00d1 | 2011-03-24 18:50:09 +0100 | [diff] [blame] | 121 | PERCPU_SECTION(1 << CONFIG_MIPS_L1_CACHE_SHIFT) |
Nelson Elhage | a0b54e2 | 2009-07-31 16:58:18 -0400 | [diff] [blame] | 122 | . = ALIGN(PAGE_SIZE); |
Sam Ravnborg | 0f5c906 | 2007-09-15 23:35:53 +0200 | [diff] [blame] | 123 | __init_end = .; |
| 124 | /* freed after init ends here */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 125 | |
Nelson Elhage | 6eb10bc | 2009-07-31 16:58:19 -0400 | [diff] [blame] | 126 | BSS_SECTION(0, 0, 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 127 | |
Sam Ravnborg | 0f5c906 | 2007-09-15 23:35:53 +0200 | [diff] [blame] | 128 | _end = . ; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 129 | |
Sam Ravnborg | 0f5c906 | 2007-09-15 23:35:53 +0200 | [diff] [blame] | 130 | /* These mark the ABI of the kernel for debuggers. */ |
| 131 | .mdebug.abi32 : { |
| 132 | KEEP(*(.mdebug.abi32)) |
| 133 | } |
| 134 | .mdebug.abi64 : { |
| 135 | KEEP(*(.mdebug.abi64)) |
| 136 | } |
Daniel Jacobowitz | 6c76988 | 2007-08-03 11:43:01 -0400 | [diff] [blame] | 137 | |
Sam Ravnborg | 0f5c906 | 2007-09-15 23:35:53 +0200 | [diff] [blame] | 138 | /* This is the MIPS specific mdebug section. */ |
| 139 | .mdebug : { |
| 140 | *(.mdebug) |
| 141 | } |
Atsushi Nemoto | 78665aa | 2006-05-11 00:41:26 +0900 | [diff] [blame] | 142 | |
Sam Ravnborg | 0f5c906 | 2007-09-15 23:35:53 +0200 | [diff] [blame] | 143 | STABS_DEBUG |
| 144 | DWARF_DEBUG |
Atsushi Nemoto | 04b6b3b | 2006-05-10 15:36:04 +0900 | [diff] [blame] | 145 | |
Sam Ravnborg | 0f5c906 | 2007-09-15 23:35:53 +0200 | [diff] [blame] | 146 | /* These must appear regardless of . */ |
| 147 | .gptab.sdata : { |
| 148 | *(.gptab.data) |
| 149 | *(.gptab.sdata) |
| 150 | } |
| 151 | .gptab.sbss : { |
| 152 | *(.gptab.bss) |
| 153 | *(.gptab.sbss) |
| 154 | } |
Tejun Heo | 023bf6f | 2009-07-09 11:27:40 +0900 | [diff] [blame] | 155 | |
| 156 | /* Sections to be discarded */ |
| 157 | DISCARDS |
| 158 | /DISCARD/ : { |
| 159 | /* ABI crap starts here */ |
| 160 | *(.MIPS.options) |
| 161 | *(.options) |
| 162 | *(.pdr) |
| 163 | *(.reginfo) |
| 164 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 165 | } |