1 #define RUNTIME_DISCARD_EXIT !! 1 /* SPDX-License-Identifier: GPL-2.0 */
2 KERNEL_STACK_SIZE = 4096 * (1 << CONFIG_KERNEL !! 2 #include <asm/asm-offsets.h>
>> 3 #include <asm/thread_info.h>
3 4
4 #ifdef CONFIG_LD_SCRIPT_STATIC !! 5 #define PAGE_SIZE _PAGE_SIZE
5 #include "uml.lds.S" !! 6
>> 7 /*
>> 8 * Put .bss..swapper_pg_dir as the first thing in .bss. This will
>> 9 * ensure that it has .bss alignment (64K).
>> 10 */
>> 11 #define BSS_FIRST_SECTIONS *(.bss..swapper_pg_dir)
>> 12
>> 13 #include <asm-generic/vmlinux.lds.h>
>> 14
>> 15 #undef mips
>> 16 #define mips mips
>> 17 OUTPUT_ARCH(mips)
>> 18 ENTRY(kernel_entry)
>> 19 PHDRS {
>> 20 text PT_LOAD FLAGS(7); /* RWX */
>> 21 #ifndef CONFIG_CAVIUM_OCTEON_SOC
>> 22 note PT_NOTE FLAGS(4); /* R__ */
>> 23 #endif /* CAVIUM_OCTEON_SOC */
>> 24 }
>> 25
>> 26 #ifdef CONFIG_32BIT
>> 27 #ifdef CONFIG_CPU_LITTLE_ENDIAN
>> 28 jiffies = jiffies_64;
>> 29 #else
>> 30 jiffies = jiffies_64 + 4;
>> 31 #endif
6 #else 32 #else
7 #include "dyn.lds.S" !! 33 jiffies = jiffies_64;
>> 34 #endif
>> 35
>> 36 SECTIONS
>> 37 {
>> 38 #ifdef CONFIG_BOOT_ELF64
>> 39 /* Read-only sections, merged into text segment: */
>> 40 /* . = 0xc000000000000000; */
>> 41
>> 42 /* This is the value for an Origin kernel, taken from an IRIX kernel. */
>> 43 /* . = 0xc00000000001c000; */
>> 44
>> 45 /* Set the vaddr for the text segment to a value
>> 46 * >= 0xa800 0000 0001 9000 if no symmon is going to configured
>> 47 * >= 0xa800 0000 0030 0000 otherwise
>> 48 */
>> 49
>> 50 /* . = 0xa800000000300000; */
>> 51 . = 0xffffffff80300000;
8 #endif 52 #endif
>> 53 . = LINKER_LOAD_ADDRESS;
>> 54 /* read-only */
>> 55 _text = .; /* Text and read-only data */
>> 56 .text : {
>> 57 TEXT_TEXT
>> 58 SCHED_TEXT
>> 59 CPUIDLE_TEXT
>> 60 LOCK_TEXT
>> 61 KPROBES_TEXT
>> 62 IRQENTRY_TEXT
>> 63 SOFTIRQENTRY_TEXT
>> 64 *(.text.*)
>> 65 *(.fixup)
>> 66 *(.gnu.warning)
>> 67 } :text = 0
>> 68 _etext = .; /* End of text section */
>> 69
>> 70 EXCEPTION_TABLE(16)
>> 71
>> 72 /* Exception table for data bus errors */
>> 73 __dbe_table : {
>> 74 __start___dbe_table = .;
>> 75 *(__dbe_table)
>> 76 __stop___dbe_table = .;
>> 77 }
>> 78
>> 79 #ifdef CONFIG_CAVIUM_OCTEON_SOC
>> 80 #define NOTES_HEADER
>> 81 #else /* CONFIG_CAVIUM_OCTEON_SOC */
>> 82 #define NOTES_HEADER :note
>> 83 #endif /* CONFIG_CAVIUM_OCTEON_SOC */
>> 84 NOTES :text NOTES_HEADER
>> 85 .dummy : { *(.dummy) } :text
>> 86
>> 87 _sdata = .; /* Start of data section */
>> 88 RODATA
>> 89
>> 90 /* writeable */
>> 91 .data : { /* Data */
>> 92 . = . + DATAOFFSET; /* for CONFIG_MAPPED_KERNEL */
>> 93
>> 94 INIT_TASK_DATA(THREAD_SIZE)
>> 95 NOSAVE_DATA
>> 96 PAGE_ALIGNED_DATA(PAGE_SIZE)
>> 97 CACHELINE_ALIGNED_DATA(1 << CONFIG_MIPS_L1_CACHE_SHIFT)
>> 98 READ_MOSTLY_DATA(1 << CONFIG_MIPS_L1_CACHE_SHIFT)
>> 99 DATA_DATA
>> 100 CONSTRUCTORS
>> 101 }
>> 102 BUG_TABLE
>> 103 _gp = . + 0x8000;
>> 104 .lit8 : {
>> 105 *(.lit8)
>> 106 }
>> 107 .lit4 : {
>> 108 *(.lit4)
>> 109 }
>> 110 /* We want the small data sections together, so single-instruction offsets
>> 111 can access them all, and initialized data all before uninitialized, so
>> 112 we can shorten the on-disk segment size. */
>> 113 .sdata : {
>> 114 *(.sdata)
>> 115 }
>> 116 _edata = .; /* End of data section */
>> 117
>> 118 /* will be freed after init */
>> 119 . = ALIGN(PAGE_SIZE); /* Init code and data */
>> 120 __init_begin = .;
>> 121 INIT_TEXT_SECTION(PAGE_SIZE)
>> 122 INIT_DATA_SECTION(16)
>> 123
>> 124 . = ALIGN(4);
>> 125 .mips.machines.init : AT(ADDR(.mips.machines.init) - LOAD_OFFSET) {
>> 126 __mips_machines_start = .;
>> 127 *(.mips.machines.init)
>> 128 __mips_machines_end = .;
>> 129 }
>> 130
>> 131 /* .exit.text is discarded at runtime, not link time, to deal with
>> 132 * references from .rodata
>> 133 */
>> 134 .exit.text : {
>> 135 EXIT_TEXT
>> 136 }
>> 137 .exit.data : {
>> 138 EXIT_DATA
>> 139 }
>> 140 #ifdef CONFIG_SMP
>> 141 PERCPU_SECTION(1 << CONFIG_MIPS_L1_CACHE_SHIFT)
>> 142 #endif
>> 143
>> 144 #ifdef CONFIG_MIPS_ELF_APPENDED_DTB
>> 145 .appended_dtb : AT(ADDR(.appended_dtb) - LOAD_OFFSET) {
>> 146 *(.appended_dtb)
>> 147 KEEP(*(.appended_dtb))
>> 148 }
>> 149 #endif
>> 150
>> 151 #ifdef CONFIG_RELOCATABLE
>> 152 . = ALIGN(4);
>> 153
>> 154 .data.reloc : {
>> 155 _relocation_start = .;
>> 156 /*
>> 157 * Space for relocation table
>> 158 * This needs to be filled so that the
>> 159 * relocs tool can overwrite the content.
>> 160 * An invalid value is left at the start of the
>> 161 * section to abort relocation if the table
>> 162 * has not been filled in.
>> 163 */
>> 164 LONG(0xFFFFFFFF);
>> 165 FILL(0);
>> 166 . += CONFIG_RELOCATION_TABLE_SIZE - 4;
>> 167 _relocation_end = .;
>> 168 }
>> 169 #endif
>> 170
>> 171 #ifdef CONFIG_MIPS_RAW_APPENDED_DTB
>> 172 __appended_dtb = .;
>> 173 /* leave space for appended DTB */
>> 174 . += 0x100000;
>> 175 #endif
>> 176 /*
>> 177 * Align to 64K in attempt to eliminate holes before the
>> 178 * .bss..swapper_pg_dir section at the start of .bss. This
>> 179 * also satisfies PAGE_SIZE alignment as the largest page size
>> 180 * allowed is 64K.
>> 181 */
>> 182 . = ALIGN(0x10000);
>> 183 __init_end = .;
>> 184 /* freed after init ends here */
>> 185
>> 186 /*
>> 187 * Force .bss to 64K alignment so that .bss..swapper_pg_dir
>> 188 * gets that alignment. .sbss should be empty, so there will be
>> 189 * no holes after __init_end. */
>> 190 BSS_SECTION(0, 0x10000, 8)
>> 191
>> 192 _end = . ;
>> 193
>> 194 /* These mark the ABI of the kernel for debuggers. */
>> 195 .mdebug.abi32 : {
>> 196 KEEP(*(.mdebug.abi32))
>> 197 }
>> 198 .mdebug.abi64 : {
>> 199 KEEP(*(.mdebug.abi64))
>> 200 }
>> 201
>> 202 /* This is the MIPS specific mdebug section. */
>> 203 .mdebug : {
>> 204 *(.mdebug)
>> 205 }
>> 206
>> 207 STABS_DEBUG
>> 208 DWARF_DEBUG
>> 209
>> 210 /* These must appear regardless of . */
>> 211 .gptab.sdata : {
>> 212 *(.gptab.data)
>> 213 *(.gptab.sdata)
>> 214 }
>> 215 .gptab.sbss : {
>> 216 *(.gptab.bss)
>> 217 *(.gptab.sbss)
>> 218 }
>> 219
>> 220 /* Sections to be discarded */
>> 221 DISCARDS
>> 222 /DISCARD/ : {
>> 223 /* ABI crap starts here */
>> 224 *(.MIPS.abiflags)
>> 225 *(.MIPS.options)
>> 226 *(.options)
>> 227 *(.pdr)
>> 228 *(.reginfo)
>> 229 *(.eh_frame)
>> 230 }
>> 231 }
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