1 /* SPDX-License-Identifier: GPL-2.0 */ 1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #include <asm/asm-offsets.h> << 3 #include <asm/thread_info.h> << 4 << 5 #define PAGE_SIZE _PAGE_SIZE << 6 << 7 /* << 8 * Put .bss..swapper_pg_dir as the first thing << 9 * ensure that it has .bss alignment (64K). << 10 */ << 11 #define BSS_FIRST_SECTIONS *(.bss..swapper_pg_ << 12 2 13 /* Cavium Octeon should not have a separate PT << 14 #ifndef CONFIG_CAVIUM_OCTEON_SOC << 15 #define EMITS_PT_NOTE 3 #define EMITS_PT_NOTE 16 #endif !! 4 #define RO_EXCEPTION_TABLE_ALIGN 16 17 << 18 #define RUNTIME_DISCARD_EXIT << 19 5 20 #include <asm-generic/vmlinux.lds.h> 6 #include <asm-generic/vmlinux.lds.h> 21 !! 7 #include <asm/thread_info.h> 22 #undef mips !! 8 #include <asm/cache.h> 23 #define mips mips !! 9 #include <asm/page.h> 24 OUTPUT_ARCH(mips) !! 10 #include <asm/setup.h> 25 ENTRY(kernel_entry) !! 11 26 PHDRS { !! 12 OUTPUT_FORMAT("elf64-alpha") 27 text PT_LOAD FLAGS(7); /* RWX */ !! 13 OUTPUT_ARCH(alpha) 28 #ifndef CONFIG_CAVIUM_OCTEON_SOC !! 14 ENTRY(__start) 29 note PT_NOTE FLAGS(4); /* R__ */ !! 15 PHDRS { text PT_LOAD; note PT_NOTE; } 30 #endif /* CAVIUM_OCTEON_SOC */ !! 16 jiffies = jiffies_64; 31 } << 32 << 33 #ifdef CONFIG_32BIT << 34 #ifdef CONFIG_CPU_LITTLE_ENDIAN << 35 jiffies = jiffies_64; << 36 #else << 37 jiffies = jiffies_64 + 4; << 38 #endif << 39 #else << 40 jiffies = jiffies_64; << 41 #endif << 42 << 43 SECTIONS 17 SECTIONS 44 { 18 { 45 #ifdef CONFIG_BOOT_ELF64 !! 19 #ifdef CONFIG_ALPHA_LEGACY_START_ADDRESS 46 /* Read-only sections, merged into tex !! 20 . = 0xfffffc0000310000; 47 /* . = 0xc000000000000000; */ !! 21 #else 48 !! 22 . = 0xfffffc0001010000; 49 /* This is the value for an Origin ker << 50 /* . = 0xc00000000001c000; */ << 51 << 52 /* Set the vaddr for the text segment << 53 * >= 0xa800 0000 0001 9000 if no sy << 54 * >= 0xa800 0000 0030 0000 otherwis << 55 */ << 56 << 57 /* . = 0xa800000000300000; */ << 58 . = 0xffffffff80300000; << 59 #endif 23 #endif 60 . = LINKER_LOAD_ADDRESS; !! 24 61 /* read-only */ << 62 _text = .; /* Text and read-only 25 _text = .; /* Text and read-only data */ 63 .text : { 26 .text : { >> 27 HEAD_TEXT 64 TEXT_TEXT 28 TEXT_TEXT 65 SCHED_TEXT 29 SCHED_TEXT >> 30 CPUIDLE_TEXT 66 LOCK_TEXT 31 LOCK_TEXT 67 KPROBES_TEXT << 68 IRQENTRY_TEXT << 69 SOFTIRQENTRY_TEXT << 70 *(.fixup) 32 *(.fixup) 71 *(.gnu.warning) 33 *(.gnu.warning) 72 . = ALIGN(16); !! 34 } :text 73 *(.got) /* Global offset table !! 35 swapper_pg_dir = SWAPPER_PGD; 74 } :text = 0 << 75 _etext = .; /* End of text section 36 _etext = .; /* End of text section */ 76 37 77 EXCEPTION_TABLE(16) << 78 << 79 /* Exception table for data bus errors << 80 __dbe_table : { << 81 __start___dbe_table = .; << 82 KEEP(*(__dbe_table)) << 83 __stop___dbe_table = .; << 84 } << 85 << 86 _sdata = .; /* Sta << 87 RO_DATA(4096) 38 RO_DATA(4096) 88 39 89 /* writeable */ !! 40 /* Will be freed after init */ 90 .data : { /* Data */ !! 41 __init_begin = ALIGN(PAGE_SIZE); 91 . = . + DATAOFFSET; << 92 << 93 INIT_TASK_DATA(THREAD_SIZE) << 94 NOSAVE_DATA << 95 PAGE_ALIGNED_DATA(PAGE_SIZE) << 96 CACHELINE_ALIGNED_DATA(1 << CO << 97 READ_MOSTLY_DATA(1 << CONFIG_M << 98 DATA_DATA << 99 CONSTRUCTORS << 100 } << 101 BUG_TABLE << 102 _gp = . + 0x8000; << 103 .lit8 : { << 104 *(.lit8) << 105 } << 106 .lit4 : { << 107 *(.lit4) << 108 } << 109 /* We want the small data sections tog << 110 can access them all, and initialize << 111 we can shorten the on-disk segment << 112 .sdata : { << 113 *(.sdata) << 114 } << 115 _edata = .; /* End << 116 << 117 /* will be freed after init */ << 118 . = ALIGN(PAGE_SIZE); /* Ini << 119 __init_begin = .; << 120 INIT_TEXT_SECTION(PAGE_SIZE) 42 INIT_TEXT_SECTION(PAGE_SIZE) 121 INIT_DATA_SECTION(16) 43 INIT_DATA_SECTION(16) >> 44 PERCPU_SECTION(L1_CACHE_BYTES) >> 45 /* Align to THREAD_SIZE rather than PAGE_SIZE here so any padding page >> 46 needed for the THREAD_SIZE aligned init_task gets freed after init */ >> 47 . = ALIGN(THREAD_SIZE); >> 48 __init_end = .; >> 49 /* Freed after init ends here */ 122 50 123 . = ALIGN(4); !! 51 _sdata = .; /* Start of rw data section */ 124 .mips.machines.init : AT(ADDR(.mips.ma !! 52 _data = .; 125 __mips_machines_start = .; !! 53 RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE) 126 KEEP(*(.mips.machines.init)) << 127 __mips_machines_end = .; << 128 } << 129 << 130 /* .exit.text is discarded at runtime, << 131 * references from .rodata << 132 */ << 133 .exit.text : { << 134 EXIT_TEXT << 135 } << 136 .exit.data : { << 137 EXIT_DATA << 138 } << 139 #ifdef CONFIG_SMP << 140 PERCPU_SECTION(1 << CONFIG_MIPS_L1_CAC << 141 #endif << 142 << 143 .rel.dyn : ALIGN(8) { << 144 *(.rel) << 145 *(.rel*) << 146 } << 147 << 148 #ifdef CONFIG_MIPS_ELF_APPENDED_DTB << 149 STRUCT_ALIGN(); << 150 .appended_dtb : AT(ADDR(.appended_dtb) << 151 *(.appended_dtb) << 152 KEEP(*(.appended_dtb)) << 153 } << 154 #endif << 155 << 156 #ifdef CONFIG_RELOCATABLE << 157 . = ALIGN(4); << 158 54 159 .data.reloc : { !! 55 .got : { 160 _relocation_start = .; !! 56 *(.got) 161 /* << 162 * Space for relocation table << 163 * This needs to be filled so << 164 * relocs tool can overwrite t << 165 * An invalid value is left at << 166 * section to abort relocation << 167 * has not been filled in. << 168 */ << 169 LONG(0xFFFFFFFF); << 170 FILL(0); << 171 . += CONFIG_RELOCATION_TABLE_S << 172 _relocation_end = .; << 173 } 57 } 174 #endif !! 58 .sdata : { 175 !! 59 *(.sdata) 176 #ifdef CONFIG_MIPS_RAW_APPENDED_DTB << 177 .fill : { << 178 FILL(0); << 179 BYTE(0); << 180 STRUCT_ALIGN(); << 181 } 60 } 182 __appended_dtb = .; !! 61 _edata = .; /* End of data section */ 183 /* leave space for appended DTB */ << 184 . += 0x100000; << 185 #endif << 186 /* << 187 * Align to 64K in attempt to eliminat << 188 * .bss..swapper_pg_dir section at the << 189 * also satisfies PAGE_SIZE alignment << 190 * allowed is 64K. << 191 */ << 192 . = ALIGN(0x10000); << 193 __init_end = .; << 194 /* freed after init ends here */ << 195 62 196 /* !! 63 BSS_SECTION(0, 0, 0) 197 * Force .bss to 64K alignment so that !! 64 _end = .; 198 * gets that alignment. .sbss should << 199 * no holes after __init_end. */ << 200 BSS_SECTION(0, 0x10000, 8) << 201 << 202 _end = . ; << 203 << 204 /* These mark the ABI of the kernel fo << 205 .mdebug.abi32 : { << 206 KEEP(*(.mdebug.abi32)) << 207 } << 208 .mdebug.abi64 : { << 209 KEEP(*(.mdebug.abi64)) << 210 } << 211 65 212 /* This is the MIPS specific mdebug se !! 66 .mdebug 0 : { 213 .mdebug : { << 214 *(.mdebug) 67 *(.mdebug) 215 } 68 } >> 69 .note 0 : { >> 70 *(.note) >> 71 } 216 72 217 STABS_DEBUG 73 STABS_DEBUG 218 DWARF_DEBUG 74 DWARF_DEBUG 219 ELF_DETAILS << 220 << 221 /* These must appear regardless of . << 222 .gptab.sdata : { << 223 *(.gptab.data) << 224 *(.gptab.sdata) << 225 } << 226 .gptab.sbss : { << 227 *(.gptab.bss) << 228 *(.gptab.sbss) << 229 } << 230 75 231 /* Sections to be discarded */ << 232 DISCARDS 76 DISCARDS 233 /DISCARD/ : { << 234 /* ABI crap starts here */ << 235 *(.MIPS.abiflags) << 236 *(.MIPS.options) << 237 *(.gnu.attributes) << 238 *(.options) << 239 *(.pdr) << 240 *(.reginfo) << 241 } << 242 } 77 }
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