diff options
Diffstat (limited to 'arch/riscv/kernel/vmlinux.lds.S')
| -rw-r--r-- | arch/riscv/kernel/vmlinux.lds.S | 146 |
1 files changed, 119 insertions, 27 deletions
diff --git a/arch/riscv/kernel/vmlinux.lds.S b/arch/riscv/kernel/vmlinux.lds.S index 12f42f96d46e..002ca58dd998 100644 --- a/arch/riscv/kernel/vmlinux.lds.S +++ b/arch/riscv/kernel/vmlinux.lds.S @@ -4,12 +4,24 @@ * Copyright (C) 2017 SiFive */ -#define LOAD_OFFSET PAGE_OFFSET +#define RO_EXCEPTION_TABLE_ALIGN 4 +#define RUNTIME_DISCARD_EXIT + +#ifdef CONFIG_XIP_KERNEL +#include "vmlinux-xip.lds.S" +#else + +#include <asm/pgtable.h> +#define LOAD_OFFSET KERNEL_LINK_ADDR + #include <asm/vmlinux.lds.h> #include <asm/page.h> #include <asm/cache.h> #include <asm/thread_info.h> +#include <asm/set_memory.h> +#include "image-vars.h" +#include <linux/sizes.h> OUTPUT_ARCH(riscv) ENTRY(_start) @@ -20,64 +32,144 @@ SECTIONS /* Beginning of code and text segment */ . = LOAD_OFFSET; _start = .; - __init_begin = .; HEAD_TEXT_SECTION - INIT_TEXT_SECTION(PAGE_SIZE) - INIT_DATA_SECTION(16) - /* we have to discard exit text and such at runtime, not link time */ - .exit.text : - { - EXIT_TEXT - } - .exit.data : - { - EXIT_DATA - } - PERCPU_SECTION(L1_CACHE_BYTES) - __init_end = .; + . = ALIGN(PAGE_SIZE); .text : { _text = .; _stext = .; TEXT_TEXT SCHED_TEXT - CPUIDLE_TEXT LOCK_TEXT KPROBES_TEXT ENTRY_TEXT IRQENTRY_TEXT - *(.fixup) + SOFTIRQENTRY_TEXT _etext = .; } + . = ALIGN(SECTION_ALIGN); + __init_begin = .; + __init_text_begin = .; + .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) ALIGN(SECTION_ALIGN) { \ + _sinittext = .; \ + INIT_TEXT \ + _einittext = .; \ + } + + . = ALIGN(8); + __soc_early_init_table : { + __soc_early_init_table_start = .; + KEEP(*(__soc_early_init_table)) + __soc_early_init_table_end = .; + } + __soc_builtin_dtb_table : { + __soc_builtin_dtb_table_start = .; + KEEP(*(__soc_builtin_dtb_table)) + __soc_builtin_dtb_table_end = .; + } + /* we have to discard exit text and such at runtime, not link time */ + __exittext_begin = .; + .exit.text : + { + EXIT_TEXT + } + __exittext_end = .; + + __init_text_end = .; + . = ALIGN(SECTION_ALIGN); +#ifdef CONFIG_EFI + . = ALIGN(PECOFF_SECTION_ALIGNMENT); + __pecoff_text_end = .; +#endif + /* Start of init data section */ + __init_data_begin = .; + INIT_DATA_SECTION(16) + + .init.pi : { + KEEP(*(.init.pi*)) + } + + .init.bss : { + KEEP(*(.init.bss*)) /* from the EFI stub */ + } + .exit.data : + { + EXIT_DATA + } + PERCPU_SECTION(L1_CACHE_BYTES) + + .rel.dyn : { + *(.rel.dyn*) + } + + .rela.dyn : ALIGN(8) { + __rela_dyn_start = .; + *(.rela .rela*) + __rela_dyn_end = .; + } + + __init_data_end = .; + + . = ALIGN(8); + .alternative : { + __alt_start = .; + KEEP(*(.alternative)) + __alt_end = .; + } + __init_end = .; + /* Start of data section */ _sdata = .; - RO_DATA(L1_CACHE_BYTES) + RO_DATA(SECTION_ALIGN) .srodata : { *(.srodata*) } - RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE) + . = ALIGN(SECTION_ALIGN); + _data = .; + + RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_ALIGN) .sdata : { __global_pointer$ = . + 0x800; *(.sdata*) - /* End of data section */ - _edata = .; - *(.sbss*) } - BSS_SECTION(PAGE_SIZE, PAGE_SIZE, 0) + .got : { *(.got*) } - EXCEPTION_TABLE(0x10) +#ifdef CONFIG_RELOCATABLE + .data.rel : { *(.data.rel*) } + .plt : { *(.plt) } + .dynamic : { *(.dynamic) } + .dynsym : { *(.dynsym) } + .dynstr : { *(.dynstr) } + .hash : { *(.hash) } + .gnu.hash : { *(.gnu.hash) } +#endif - .rel.dyn : { - *(.rel.dyn*) - } +#ifdef CONFIG_EFI + .pecoff_edata_padding : { BYTE(0); . = ALIGN(PECOFF_FILE_ALIGNMENT); } + __pecoff_data_raw_size = ABSOLUTE(. - __pecoff_text_end); + __pecoff_data_raw_end = ABSOLUTE(.); +#endif + + /* End of data section */ + _edata = .; + + BSS_SECTION(PAGE_SIZE, PAGE_SIZE, 0) +#ifdef CONFIG_EFI + . = ALIGN(PECOFF_SECTION_ALIGNMENT); + __pecoff_data_virt_size = ABSOLUTE(. - __pecoff_text_end); + __pecoff_data_virt_end = ABSOLUTE(.); +#endif _end = .; STABS_DEBUG DWARF_DEBUG + ELF_DETAILS + .riscv.attributes 0 : { *(.riscv.attributes) } DISCARDS } +#endif /* CONFIG_XIP_KERNEL */ |