Something went wrong. Try again.
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Something went wrong. Try again.
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389/* * arch/xtensa/kernel/vmlinux.lds.S * * Xtensa linker script * * 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. * * Copyright (C) 2001 - 2008 Tensilica Inc. * * Chris Zankel <chris@zankel.net> * Marc Gauthier <marc@tensilica.com, marc@alumni.uwaterloo.ca> * Joe Taylor <joe@tensilica.com, joetylr@yahoo.com> */
#define RO_EXCEPTION_TABLE_ALIGN 16
#include <asm-generic/vmlinux.lds.h>#include <asm/page.h>#include <asm/thread_info.h>
#include <asm/core.h>#include <asm/vectors.h>
OUTPUT_ARCH(xtensa)ENTRY(_start)
#ifdef __XTENSA_EB__jiffies = jiffies_64 + 4;#elsejiffies = jiffies_64;#endif
/* Note: In the following macros, it would be nice to specify only the vector name and section kind and construct "sym" and "section" using CPP concatenation, but that does not work reliably. Concatenating a string with "." produces an invalid token. CPP will not print a warning because it thinks this is an assembly file, but it leaves them as multiple tokens and there may or may not be whitespace between them. */
/* Macro for a relocation entry */
#define RELOCATE_ENTRY(sym, section) \ LONG(sym ## _start); \ LONG(sym ## _end); \ LONG(LOADADDR(section))
#if !defined(CONFIG_VECTORS_ADDR) && XCHAL_HAVE_VECBASE#define MERGED_VECTORS 1#else#define MERGED_VECTORS 0#endif
/* * Macro to define a section for a vector. When MERGED_VECTORS is 0 * code for every vector is located with other init data. At startup * time head.S copies code for every vector to its final position according * to description recorded in the corresponding RELOCATE_ENTRY. */
#define SECTION_VECTOR4(sym, section, addr, prevsec) \ section addr : AT(((LOADADDR(prevsec) + SIZEOF(prevsec)) + 3) & ~ 3) \ { \ . = ALIGN(4); \ sym ## _start = ABSOLUTE(.); \ *(section) \ sym ## _end = ABSOLUTE(.); \ }
#define SECTION_VECTOR2(section, addr) \ . = addr; \ *(section)
/* * Mapping of input sections to output sections when linking. */
SECTIONS{ . = KERNELOFFSET; /* .text section */
_text = .; _stext = .;
.text : { /* The HEAD_TEXT section must be the first section! */ HEAD_TEXT
#if MERGED_VECTORS . = ALIGN(PAGE_SIZE); _vecbase = .;
#ifdef SUPPORT_WINDOWED SECTION_VECTOR2 (.WindowVectors.text, WINDOW_VECTORS_VADDR)#endif#if XCHAL_EXCM_LEVEL >= 2 SECTION_VECTOR2 (.Level2InterruptVector.text, INTLEVEL2_VECTOR_VADDR)#endif#if XCHAL_EXCM_LEVEL >= 3 SECTION_VECTOR2 (.Level3InterruptVector.text, INTLEVEL3_VECTOR_VADDR)#endif#if XCHAL_EXCM_LEVEL >= 4 SECTION_VECTOR2 (.Level4InterruptVector.text, INTLEVEL4_VECTOR_VADDR)#endif#if XCHAL_EXCM_LEVEL >= 5 SECTION_VECTOR2 (.Level5InterruptVector.text, INTLEVEL5_VECTOR_VADDR)#endif#if XCHAL_EXCM_LEVEL >= 6 SECTION_VECTOR2 (.Level6InterruptVector.text, INTLEVEL6_VECTOR_VADDR)#endif SECTION_VECTOR2 (.DebugInterruptVector.text, DEBUG_VECTOR_VADDR) SECTION_VECTOR2 (.KernelExceptionVector.text, KERNEL_VECTOR_VADDR) SECTION_VECTOR2 (.UserExceptionVector.text, USER_VECTOR_VADDR) SECTION_VECTOR2 (.DoubleExceptionVector.text, DOUBLEEXC_VECTOR_VADDR)
*(.exception.text) *(.xiptext)#endif
IRQENTRY_TEXT SOFTIRQENTRY_TEXT ENTRY_TEXT TEXT_TEXT SCHED_TEXT LOCK_TEXT *(.fixup) } _etext = .; PROVIDE (etext = .);
. = ALIGN(16);
RO_DATA(4096)
/* Data section */
#ifdef CONFIG_XIP_KERNEL INIT_TEXT_SECTION(PAGE_SIZE)#else _sdata = .; RW_DATA(XCHAL_ICACHE_LINESIZE, PAGE_SIZE, THREAD_SIZE) _edata = .;
/* Initialization code and data: */
. = ALIGN(PAGE_SIZE); __init_begin = .; INIT_TEXT_SECTION(PAGE_SIZE)
.init.data : { INIT_DATA }#endif
.init.rodata : { . = ALIGN(0x4); __tagtable_begin = .; *(.taglist) __tagtable_end = .;
. = ALIGN(16); __boot_reloc_table_start = ABSOLUTE(.);
#if !MERGED_VECTORS#ifdef SUPPORT_WINDOWED RELOCATE_ENTRY(_WindowVectors_text, .WindowVectors.text);#endif#if XCHAL_EXCM_LEVEL >= 2 RELOCATE_ENTRY(_Level2InterruptVector_text, .Level2InterruptVector.text);#endif#if XCHAL_EXCM_LEVEL >= 3 RELOCATE_ENTRY(_Level3InterruptVector_text, .Level3InterruptVector.text);#endif#if XCHAL_EXCM_LEVEL >= 4 RELOCATE_ENTRY(_Level4InterruptVector_text, .Level4InterruptVector.text);#endif#if XCHAL_EXCM_LEVEL >= 5 RELOCATE_ENTRY(_Level5InterruptVector_text, .Level5InterruptVector.text);#endif#if XCHAL_EXCM_LEVEL >= 6 RELOCATE_ENTRY(_Level6InterruptVector_text, .Level6InterruptVector.text);#endif RELOCATE_ENTRY(_KernelExceptionVector_text, .KernelExceptionVector.text); RELOCATE_ENTRY(_UserExceptionVector_text, .UserExceptionVector.text); RELOCATE_ENTRY(_DoubleExceptionVector_text, .DoubleExceptionVector.text); RELOCATE_ENTRY(_DebugInterruptVector_text, .DebugInterruptVector.text); RELOCATE_ENTRY(_exception_text, .exception.text);#ifdef CONFIG_XIP_KERNEL RELOCATE_ENTRY(_xip_text, .xiptext);#endif#endif#ifdef CONFIG_XIP_KERNEL RELOCATE_ENTRY(_xip_data, .data); RELOCATE_ENTRY(_xip_init_data, .init.data);#endif#if defined(CONFIG_SECONDARY_RESET_VECTOR) RELOCATE_ENTRY(_SecondaryResetVector_text, .SecondaryResetVector.text);#endif
__boot_reloc_table_end = ABSOLUTE(.) ;
INIT_SETUP(XCHAL_ICACHE_LINESIZE) INIT_CALLS CON_INITCALL INIT_RAM_FS }
PERCPU_SECTION(XCHAL_ICACHE_LINESIZE)
/* We need this dummy segment here */
. = ALIGN(4); .dummy : { LONG(0) }
#undef LAST#define LAST .dummy
#if !MERGED_VECTORS /* The vectors are relocated to the real position at startup time */
#ifdef SUPPORT_WINDOWED SECTION_VECTOR4 (_WindowVectors_text, .WindowVectors.text, WINDOW_VECTORS_VADDR, LAST)#undef LAST#define LAST .WindowVectors.text#endif SECTION_VECTOR4 (_DebugInterruptVector_text, .DebugInterruptVector.text, DEBUG_VECTOR_VADDR, LAST)#undef LAST#define LAST .DebugInterruptVector.text#if XCHAL_EXCM_LEVEL >= 2 SECTION_VECTOR4 (_Level2InterruptVector_text, .Level2InterruptVector.text, INTLEVEL2_VECTOR_VADDR, LAST)# undef LAST# define LAST .Level2InterruptVector.text#endif#if XCHAL_EXCM_LEVEL >= 3 SECTION_VECTOR4 (_Level3InterruptVector_text, .Level3InterruptVector.text, INTLEVEL3_VECTOR_VADDR, LAST)# undef LAST# define LAST .Level3InterruptVector.text#endif#if XCHAL_EXCM_LEVEL >= 4 SECTION_VECTOR4 (_Level4InterruptVector_text, .Level4InterruptVector.text, INTLEVEL4_VECTOR_VADDR, LAST)# undef LAST# define LAST .Level4InterruptVector.text#endif#if XCHAL_EXCM_LEVEL >= 5 SECTION_VECTOR4 (_Level5InterruptVector_text, .Level5InterruptVector.text, INTLEVEL5_VECTOR_VADDR, LAST)# undef LAST# define LAST .Level5InterruptVector.text#endif#if XCHAL_EXCM_LEVEL >= 6 SECTION_VECTOR4 (_Level6InterruptVector_text, .Level6InterruptVector.text, INTLEVEL6_VECTOR_VADDR, LAST)# undef LAST# define LAST .Level6InterruptVector.text#endif SECTION_VECTOR4 (_KernelExceptionVector_text, .KernelExceptionVector.text, KERNEL_VECTOR_VADDR, LAST)#undef LAST SECTION_VECTOR4 (_UserExceptionVector_text, .UserExceptionVector.text, USER_VECTOR_VADDR, .KernelExceptionVector.text) SECTION_VECTOR4 (_DoubleExceptionVector_text, .DoubleExceptionVector.text, DOUBLEEXC_VECTOR_VADDR, .UserExceptionVector.text)#define LAST .DoubleExceptionVector.text
#endif#if defined(CONFIG_SECONDARY_RESET_VECTOR)
SECTION_VECTOR4 (_SecondaryResetVector_text, .SecondaryResetVector.text, RESET_VECTOR1_VADDR, LAST)#undef LAST#define LAST .SecondaryResetVector.text
#endif#if !MERGED_VECTORS SECTION_VECTOR4 (_exception_text, .exception.text, , LAST)#undef LAST#define LAST .exception.text SECTION_VECTOR4 (_xip_text, .xiptext, , LAST)#undef LAST#define LAST .xiptext#endif . = (LOADADDR(LAST) + SIZEOF(LAST) + 3) & ~ 3;
.dummy1 : AT(ADDR(.dummy1)) { LONG(0) } . = ALIGN(PAGE_SIZE);
#ifndef CONFIG_XIP_KERNEL __init_end = .;
BSS_SECTION(0, 8192, 0)#endif
_end = .;
#ifdef CONFIG_XIP_KERNEL . = CONFIG_XIP_DATA_ADDR;
_xip_start = .;
#undef LOAD_OFFSET#define LOAD_OFFSET \ (CONFIG_XIP_DATA_ADDR - (LOADADDR(.dummy1) + SIZEOF(.dummy1) + 3) & ~ 3)
_xip_data_start = .; _sdata = .; RW_DATA(XCHAL_ICACHE_LINESIZE, PAGE_SIZE, THREAD_SIZE) _edata = .; _xip_data_end = .;
/* Initialization data: */
STRUCT_ALIGN();
_xip_init_data_start = .; __init_begin = .; .init.data : { INIT_DATA } _xip_init_data_end = .; __init_end = .; BSS_SECTION(0, 8192, 0)
_xip_end = .;
#undef LOAD_OFFSET#endif
DWARF_DEBUG
.xt.prop 0 : { KEEP(*(.xt.prop .xt.prop.* .gnu.linkonce.prop.*)) } .xt.insn 0 : { KEEP(*(.xt.insn .xt.insn.* .gnu.linkonce.x*)) } .xt.lit 0 : { KEEP(*(.xt.lit .xt.lit.* .gnu.linkonce.p*)) }
/* Sections to be discarded */ DISCARDS}