From 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 12:05:51 +0200 Subject: Adding upstream version 5.10.209. Signed-off-by: Daniel Baumann --- arch/xtensa/kernel/vmlinux.lds.S | 372 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 372 insertions(+) create mode 100644 arch/xtensa/kernel/vmlinux.lds.S (limited to 'arch/xtensa/kernel/vmlinux.lds.S') diff --git a/arch/xtensa/kernel/vmlinux.lds.S b/arch/xtensa/kernel/vmlinux.lds.S new file mode 100644 index 000000000..d23a6e38f --- /dev/null +++ b/arch/xtensa/kernel/vmlinux.lds.S @@ -0,0 +1,372 @@ +/* + * 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 + * Marc Gauthier + * Joe Taylor + */ + +#define RO_EXCEPTION_TABLE_ALIGN 16 + +#include +#include +#include + +#include +#include + +OUTPUT_ARCH(xtensa) +ENTRY(_start) + +#ifdef __XTENSA_EB__ +jiffies = jiffies_64 + 4; +#else +jiffies = 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 = .; + + SECTION_VECTOR2 (.WindowVectors.text, WINDOW_VECTORS_VADDR) +#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) +#endif + + IRQENTRY_TEXT + SOFTIRQENTRY_TEXT + ENTRY_TEXT + TEXT_TEXT + SCHED_TEXT + CPUIDLE_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 + RELOCATE_ENTRY(_WindowVectors_text, + .WindowVectors.text); +#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); +#endif +#ifdef CONFIG_XIP_KERNEL + RELOCATE_ENTRY(_xip_data, .data); + RELOCATE_ENTRY(_xip_init_data, .init.data); +#endif +#if defined(CONFIG_SMP) + 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 */ + + SECTION_VECTOR4 (_WindowVectors_text, + .WindowVectors.text, + WINDOW_VECTORS_VADDR, + .dummy) + SECTION_VECTOR4 (_DebugInterruptVector_text, + .DebugInterruptVector.text, + DEBUG_VECTOR_VADDR, + .WindowVectors.text) +#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_SMP) + + 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 + +#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 +} -- cgit v1.2.3