Huacai Chen | fa96b57 | 2022-05-31 18:04:11 +0800 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | #include <linux/sizes.h> |
| 3 | #include <asm/asm-offsets.h> |
| 4 | #include <asm/thread_info.h> |
| 5 | |
| 6 | #define PAGE_SIZE _PAGE_SIZE |
Youling Tang | 26bc824 | 2022-12-10 22:39:59 +0800 | [diff] [blame] | 7 | #define RO_EXCEPTION_TABLE_ALIGN 4 |
Huacai Chen | fa96b57 | 2022-05-31 18:04:11 +0800 | [diff] [blame] | 8 | |
| 9 | /* |
| 10 | * Put .bss..swapper_pg_dir as the first thing in .bss. This will |
| 11 | * ensure that it has .bss alignment (64K). |
| 12 | */ |
| 13 | #define BSS_FIRST_SECTIONS *(.bss..swapper_pg_dir) |
| 14 | |
| 15 | #include <asm-generic/vmlinux.lds.h> |
Huacai Chen | ead384d | 2022-08-19 18:20:37 +0800 | [diff] [blame] | 16 | #include "image-vars.h" |
Huacai Chen | fa96b57 | 2022-05-31 18:04:11 +0800 | [diff] [blame] | 17 | |
| 18 | /* |
| 19 | * Max avaliable Page Size is 64K, so we set SectionAlignment |
| 20 | * field of EFI application to 64K. |
| 21 | */ |
| 22 | PECOFF_FILE_ALIGN = 0x200; |
| 23 | PECOFF_SEGMENT_ALIGN = 0x10000; |
| 24 | |
| 25 | OUTPUT_ARCH(loongarch) |
| 26 | ENTRY(kernel_entry) |
| 27 | PHDRS { |
| 28 | text PT_LOAD FLAGS(7); /* RWX */ |
| 29 | note PT_NOTE FLAGS(4); /* R__ */ |
| 30 | } |
| 31 | |
| 32 | jiffies = jiffies_64; |
| 33 | |
| 34 | SECTIONS |
| 35 | { |
| 36 | . = VMLINUX_LOAD_ADDRESS; |
| 37 | |
| 38 | _text = .; |
| 39 | HEAD_TEXT_SECTION |
| 40 | |
| 41 | . = ALIGN(PECOFF_SEGMENT_ALIGN); |
Huacai Chen | 92264f2 | 2022-06-25 16:55:41 +0800 | [diff] [blame] | 42 | _stext = .; |
Huacai Chen | fa96b57 | 2022-05-31 18:04:11 +0800 | [diff] [blame] | 43 | .text : { |
| 44 | TEXT_TEXT |
| 45 | SCHED_TEXT |
Huacai Chen | fa96b57 | 2022-05-31 18:04:11 +0800 | [diff] [blame] | 46 | LOCK_TEXT |
| 47 | KPROBES_TEXT |
| 48 | IRQENTRY_TEXT |
| 49 | SOFTIRQENTRY_TEXT |
| 50 | *(.fixup) |
| 51 | *(.gnu.warning) |
| 52 | } :text = 0 |
| 53 | . = ALIGN(PECOFF_SEGMENT_ALIGN); |
| 54 | _etext = .; |
| 55 | |
Huacai Chen | fa96b57 | 2022-05-31 18:04:11 +0800 | [diff] [blame] | 56 | . = ALIGN(PECOFF_SEGMENT_ALIGN); |
| 57 | __init_begin = .; |
| 58 | __inittext_begin = .; |
| 59 | |
| 60 | INIT_TEXT_SECTION(PAGE_SIZE) |
| 61 | .exit.text : { |
| 62 | EXIT_TEXT |
| 63 | } |
| 64 | |
| 65 | . = ALIGN(PECOFF_SEGMENT_ALIGN); |
| 66 | __inittext_end = .; |
| 67 | |
| 68 | __initdata_begin = .; |
| 69 | |
Helge Deller | 68ffa23 | 2023-09-20 14:26:28 +0800 | [diff] [blame] | 70 | /* |
| 71 | * struct alt_inst entries. From the header (alternative.h): |
| 72 | * "Alternative instructions for different CPU types or capabilities" |
| 73 | * Think locking instructions on spinlocks. |
| 74 | */ |
| 75 | . = ALIGN(4); |
| 76 | .altinstructions : AT(ADDR(.altinstructions) - LOAD_OFFSET) { |
| 77 | __alt_instructions = .; |
| 78 | *(.altinstructions) |
| 79 | __alt_instructions_end = .; |
| 80 | } |
| 81 | |
Huacai Chen | fa96b57 | 2022-05-31 18:04:11 +0800 | [diff] [blame] | 82 | INIT_DATA_SECTION(16) |
| 83 | .exit.data : { |
| 84 | EXIT_DATA |
| 85 | } |
| 86 | |
Huacai Chen | 46859ac | 2022-05-31 18:04:12 +0800 | [diff] [blame] | 87 | #ifdef CONFIG_SMP |
| 88 | PERCPU_SECTION(1 << CONFIG_L1_CACHE_SHIFT) |
| 89 | #endif |
| 90 | |
Huacai Chen | fa96b57 | 2022-05-31 18:04:11 +0800 | [diff] [blame] | 91 | .init.bss : { |
| 92 | *(.init.bss) |
| 93 | } |
| 94 | . = ALIGN(PECOFF_SEGMENT_ALIGN); |
| 95 | __initdata_end = .; |
| 96 | |
| 97 | __init_end = .; |
| 98 | |
| 99 | _sdata = .; |
| 100 | RO_DATA(4096) |
Helge Deller | 68ffa23 | 2023-09-20 14:26:28 +0800 | [diff] [blame] | 101 | |
| 102 | .got : ALIGN(16) { *(.got) } |
| 103 | .plt : ALIGN(16) { *(.plt) } |
| 104 | .got.plt : ALIGN(16) { *(.got.plt) } |
| 105 | |
Huacai Chen | fa96b57 | 2022-05-31 18:04:11 +0800 | [diff] [blame] | 106 | RW_DATA(1 << CONFIG_L1_CACHE_SHIFT, PAGE_SIZE, THREAD_SIZE) |
| 107 | |
Youling Tang | d8da19f | 2023-02-25 15:52:56 +0800 | [diff] [blame] | 108 | .rela.dyn : ALIGN(8) { |
| 109 | __rela_dyn_begin = .; |
| 110 | *(.rela.dyn) *(.rela*) |
| 111 | __rela_dyn_end = .; |
| 112 | } |
| 113 | |
Helge Deller | 68ffa23 | 2023-09-20 14:26:28 +0800 | [diff] [blame] | 114 | .data.rel : { *(.data.rel*) } |
| 115 | |
| 116 | #ifdef CONFIG_RELOCATABLE |
| 117 | . = ALIGN(8); |
| 118 | .la_abs : AT(ADDR(.la_abs) - LOAD_OFFSET) { |
| 119 | __la_abs_begin = .; |
| 120 | *(.la_abs) |
| 121 | __la_abs_end = .; |
| 122 | } |
| 123 | #endif |
| 124 | |
Huacai Chen | fa96b57 | 2022-05-31 18:04:11 +0800 | [diff] [blame] | 125 | .sdata : { |
| 126 | *(.sdata) |
| 127 | } |
| 128 | .edata_padding : { BYTE(0); . = ALIGN(PECOFF_FILE_ALIGN); } |
| 129 | _edata = .; |
| 130 | |
| 131 | BSS_SECTION(0, SZ_64K, 8) |
| 132 | . = ALIGN(PECOFF_SEGMENT_ALIGN); |
| 133 | |
| 134 | _end = .; |
| 135 | |
| 136 | STABS_DEBUG |
| 137 | DWARF_DEBUG |
Youling Tang | b672332 | 2022-06-13 18:54:12 +0800 | [diff] [blame] | 138 | ELF_DETAILS |
Huacai Chen | fa96b57 | 2022-05-31 18:04:11 +0800 | [diff] [blame] | 139 | |
WANG Rui | 414cefc | 2023-06-29 20:58:42 +0800 | [diff] [blame] | 140 | #ifdef CONFIG_EFI_STUB |
| 141 | /* header symbols */ |
| 142 | _kernel_asize = _end - _text; |
| 143 | _kernel_fsize = _edata - _text; |
| 144 | _kernel_vsize = _end - __initdata_begin; |
| 145 | _kernel_rsize = _edata - __initdata_begin; |
| 146 | _kernel_offset = kernel_offset - _text; |
| 147 | #endif |
| 148 | |
Huacai Chen | fa96b57 | 2022-05-31 18:04:11 +0800 | [diff] [blame] | 149 | .gptab.sdata : { |
| 150 | *(.gptab.data) |
| 151 | *(.gptab.sdata) |
| 152 | } |
| 153 | .gptab.sbss : { |
| 154 | *(.gptab.bss) |
| 155 | *(.gptab.sbss) |
| 156 | } |
| 157 | |
| 158 | DISCARDS |
| 159 | /DISCARD/ : { |
Youling Tang | d8da19f | 2023-02-25 15:52:56 +0800 | [diff] [blame] | 160 | *(.dynamic .dynsym .dynstr .hash .gnu.hash) |
Huacai Chen | fa96b57 | 2022-05-31 18:04:11 +0800 | [diff] [blame] | 161 | *(.gnu.attributes) |
| 162 | *(.options) |
| 163 | *(.eh_frame) |
| 164 | } |
| 165 | } |