blob: a81176f44c74d4e39be2eaf8d939ccdf1aa5157b [file] [log] [blame]
Ralf Baechledbee90b2006-02-02 14:31:16 +00001#include <asm/asm-offsets.h>
Nelson Elhagea0b54e22009-07-31 16:58:18 -04002#include <asm/page.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -07003#include <asm-generic/vmlinux.lds.h>
4
Ralf Baechle41c594a2006-04-05 09:45:45 +01005#undef mips
Linus Torvalds1da177e2005-04-16 15:20:36 -07006#define mips mips
7OUTPUT_ARCH(mips)
8ENTRY(kernel_entry)
Ralf Baechle603bb992007-10-14 22:49:01 +01009PHDRS {
10 text PT_LOAD FLAGS(7); /* RWX */
11 note PT_NOTE FLAGS(4); /* R__ */
12}
Sam Ravnborg51b563f2009-09-20 12:28:22 +020013
Manuel Laussd71789b2009-09-24 21:44:24 +020014#ifdef CONFIG_32BIT
15 #ifdef CONFIG_CPU_LITTLE_ENDIAN
Sam Ravnborg51b563f2009-09-20 12:28:22 +020016 jiffies = jiffies_64;
Manuel Laussd71789b2009-09-24 21:44:24 +020017 #else
Sam Ravnborg51b563f2009-09-20 12:28:22 +020018 jiffies = jiffies_64 + 4;
Manuel Laussd71789b2009-09-24 21:44:24 +020019 #endif
20#else
Sam Ravnborg51b563f2009-09-20 12:28:22 +020021 jiffies = jiffies_64;
Manuel Laussd71789b2009-09-24 21:44:24 +020022#endif
Sam Ravnborg0f5c9062007-09-15 23:35:53 +020023
Linus Torvalds1da177e2005-04-16 15:20:36 -070024SECTIONS
25{
26#ifdef CONFIG_BOOT_ELF64
Sam Ravnborg0f5c9062007-09-15 23:35:53 +020027 /* Read-only sections, merged into text segment: */
28 /* . = 0xc000000000000000; */
Linus Torvalds1da177e2005-04-16 15:20:36 -070029
Sam Ravnborg0f5c9062007-09-15 23:35:53 +020030 /* This is the value for an Origin kernel, taken from an IRIX kernel. */
31 /* . = 0xc00000000001c000; */
Linus Torvalds1da177e2005-04-16 15:20:36 -070032
Sam Ravnborg0f5c9062007-09-15 23:35:53 +020033 /* 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 Torvalds1da177e2005-04-16 15:20:36 -070037
Sam Ravnborg0f5c9062007-09-15 23:35:53 +020038 /* . = 0xa800000000300000; */
Sam Ravnborg0f5c9062007-09-15 23:35:53 +020039 . = 0xffffffff80300000;
Linus Torvalds1da177e2005-04-16 15:20:36 -070040#endif
Sam Ravnborg51b563f2009-09-20 12:28:22 +020041 . = VMLINUX_LOAD_ADDRESS;
Sam Ravnborg0f5c9062007-09-15 23:35:53 +020042 /* read-only */
43 _text = .; /* Text and read-only data */
44 .text : {
45 TEXT_TEXT
46 SCHED_TEXT
47 LOCK_TEXT
Ralf Baechlef70fd1b2007-10-14 22:50:05 +010048 KPROBES_TEXT
Wu Zhangjin8f99a162009-11-20 20:34:33 +080049 IRQENTRY_TEXT
Atsushi Nemoto6b3766a2008-08-05 23:45:14 +090050 *(.text.*)
Sam Ravnborg0f5c9062007-09-15 23:35:53 +020051 *(.fixup)
52 *(.gnu.warning)
Ralf Baechle603bb992007-10-14 22:49:01 +010053 } :text = 0
Sam Ravnborg0f5c9062007-09-15 23:35:53 +020054 _etext = .; /* End of text section */
Linus Torvalds1da177e2005-04-16 15:20:36 -070055
Nelson Elhage6eb10bc2009-07-31 16:58:19 -040056 EXCEPTION_TABLE(16)
Linus Torvalds1da177e2005-04-16 15:20:36 -070057
Sam Ravnborg0f5c9062007-09-15 23:35:53 +020058 /* Exception table for data bus errors */
59 __dbe_table : {
60 __start___dbe_table = .;
61 *(__dbe_table)
62 __stop___dbe_table = .;
63 }
Ralf Baechle603bb992007-10-14 22:49:01 +010064
65 NOTES :text :note
66 .dummy : { *(.dummy) } :text
67
Steven Rostedta2d063a2011-05-19 21:34:58 -040068 _sdata = .; /* Start of data section */
Sam Ravnborg0f5c9062007-09-15 23:35:53 +020069 RODATA
Linus Torvalds1da177e2005-04-16 15:20:36 -070070
Sam Ravnborg0f5c9062007-09-15 23:35:53 +020071 /* writeable */
Maxin Johnc0a5afb2011-03-29 00:15:55 +030072 _sdata = .; /* Start of data section */
Sam Ravnborg0f5c9062007-09-15 23:35:53 +020073 .data : { /* Data */
Franck Bui-Huu16be2432007-10-18 23:12:32 +020074 . = . + DATAOFFSET; /* for CONFIG_MAPPED_KERNEL */
Linus Torvalds1da177e2005-04-16 15:20:36 -070075
Nelson Elhage6eb10bc2009-07-31 16:58:19 -040076 INIT_TASK_DATA(PAGE_SIZE)
77 NOSAVE_DATA
78 CACHELINE_ALIGNED_DATA(1 << CONFIG_MIPS_L1_CACHE_SHIFT)
Catalin Marinasf8bec752011-03-29 11:40:06 +010079 READ_MOSTLY_DATA(1 << CONFIG_MIPS_L1_CACHE_SHIFT)
Franck Bui-Huu16be2432007-10-18 23:12:32 +020080 DATA_DATA
81 CONSTRUCTORS
Sam Ravnborg0f5c9062007-09-15 23:35:53 +020082 }
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 Ravnborg0f5c9062007-09-15 23:35:53 +020096 _edata = .; /* End of data section */
Linus Torvalds1da177e2005-04-16 15:20:36 -070097
Sam Ravnborg0f5c9062007-09-15 23:35:53 +020098 /* will be freed after init */
Nelson Elhagea0b54e22009-07-31 16:58:18 -040099 . = ALIGN(PAGE_SIZE); /* Init code and data */
Sam Ravnborg0f5c9062007-09-15 23:35:53 +0200100 __init_begin = .;
Nelson Elhage6eb10bc2009-07-31 16:58:19 -0400101 INIT_TEXT_SECTION(PAGE_SIZE)
102 INIT_DATA_SECTION(16)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700103
Gabor Juhos487d70d2010-11-23 16:06:25 +0100104 . = 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 Ravnborg0f5c9062007-09-15 23:35:53 +0200111 /* .exit.text is discarded at runtime, not link time, to deal with
112 * references from .rodata
113 */
114 .exit.text : {
Sam Ravnborg01ba2bd2008-01-20 14:15:03 +0100115 EXIT_TEXT
Sam Ravnborg0f5c9062007-09-15 23:35:53 +0200116 }
117 .exit.data : {
Sam Ravnborg01ba2bd2008-01-20 14:15:03 +0100118 EXIT_DATA
Sam Ravnborg0f5c9062007-09-15 23:35:53 +0200119 }
Nelson Elhage6eb10bc2009-07-31 16:58:19 -0400120
Tejun Heo0415b00d12011-03-24 18:50:09 +0100121 PERCPU_SECTION(1 << CONFIG_MIPS_L1_CACHE_SHIFT)
Nelson Elhagea0b54e22009-07-31 16:58:18 -0400122 . = ALIGN(PAGE_SIZE);
Sam Ravnborg0f5c9062007-09-15 23:35:53 +0200123 __init_end = .;
124 /* freed after init ends here */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700125
Nelson Elhage6eb10bc2009-07-31 16:58:19 -0400126 BSS_SECTION(0, 0, 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700127
Sam Ravnborg0f5c9062007-09-15 23:35:53 +0200128 _end = . ;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700129
Sam Ravnborg0f5c9062007-09-15 23:35:53 +0200130 /* 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 Jacobowitz6c769882007-08-03 11:43:01 -0400137
Sam Ravnborg0f5c9062007-09-15 23:35:53 +0200138 /* This is the MIPS specific mdebug section. */
139 .mdebug : {
140 *(.mdebug)
141 }
Atsushi Nemoto78665aa2006-05-11 00:41:26 +0900142
Sam Ravnborg0f5c9062007-09-15 23:35:53 +0200143 STABS_DEBUG
144 DWARF_DEBUG
Atsushi Nemoto04b6b3b2006-05-10 15:36:04 +0900145
Sam Ravnborg0f5c9062007-09-15 23:35:53 +0200146 /* 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 Heo023bf6f2009-07-09 11:27:40 +0900155
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 Torvalds1da177e2005-04-16 15:20:36 -0700165}