1 /* SPDX-License-Identifier: GPL-2.0 */ !! 1 /* ld script to make SparcLinux kernel */ 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 << 13 /* Cavium Octeon should not have a separate PT << 14 #ifndef CONFIG_CAVIUM_OCTEON_SOC << 15 #define EMITS_PT_NOTE << 16 #endif << 17 << 18 #define RUNTIME_DISCARD_EXIT << 19 2 20 #include <asm-generic/vmlinux.lds.h> 3 #include <asm-generic/vmlinux.lds.h> 21 4 22 #undef mips !! 5 OUTPUT_FORMAT("elf32-sparc", "elf32-sparc", "elf32-sparc") 23 #define mips mips !! 6 OUTPUT_ARCH(sparc) 24 OUTPUT_ARCH(mips) !! 7 ENTRY(_start) 25 ENTRY(kernel_entry) !! 8 jiffies = jiffies_64 + 4; 26 PHDRS { << 27 text PT_LOAD FLAGS(7); /* RWX */ << 28 #ifndef CONFIG_CAVIUM_OCTEON_SOC << 29 note PT_NOTE FLAGS(4); /* R__ */ << 30 #endif /* CAVIUM_OCTEON_SOC */ << 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 9 SECTIONS 44 { 10 { 45 #ifdef CONFIG_BOOT_ELF64 !! 11 . = 0x10000 + SIZEOF_HEADERS; 46 /* Read-only sections, merged into tex !! 12 .text 0xf0004000 : 47 /* . = 0xc000000000000000; */ !! 13 { 48 !! 14 *(.text) 49 /* This is the value for an Origin ker !! 15 *(.gnu.warning) 50 /* . = 0xc00000000001c000; */ !! 16 } =0 51 !! 17 _etext = .; 52 /* Set the vaddr for the text segment !! 18 PROVIDE (etext = .); 53 * >= 0xa800 0000 0001 9000 if no sy !! 19 RODATA 54 * >= 0xa800 0000 0030 0000 otherwis !! 20 .data : 55 */ !! 21 { 56 !! 22 *(.data) 57 /* . = 0xa800000000300000; */ !! 23 CONSTRUCTORS 58 . = 0xffffffff80300000; !! 24 } 59 #endif !! 25 .data1 : { *(.data1) } 60 . = LINKER_LOAD_ADDRESS; !! 26 _edata = .; 61 /* read-only */ !! 27 PROVIDE (edata = .); 62 _text = .; /* Text and read-only !! 28 __start___fixup = .; 63 .text : { !! 29 .fixup : { *(.fixup) } 64 TEXT_TEXT !! 30 __stop___fixup = .; 65 SCHED_TEXT !! 31 __start___ex_table = .; 66 LOCK_TEXT !! 32 __ex_table : { *(__ex_table) } 67 KPROBES_TEXT !! 33 __stop___ex_table = .; 68 IRQENTRY_TEXT !! 34 69 SOFTIRQENTRY_TEXT !! 35 . = ALIGN(4096); 70 *(.fixup) !! 36 __init_begin = .; 71 *(.gnu.warning) !! 37 .init.text : { 72 . = ALIGN(16); !! 38 _sinittext = .; 73 *(.got) /* Global offset table !! 39 *(.init.text) 74 } :text = 0 !! 40 _einittext = .; 75 _etext = .; /* End of text section !! 41 } 76 !! 42 __init_text_end = .; 77 EXCEPTION_TABLE(16) !! 43 .init.data : { *(.init.data) } 78 !! 44 . = ALIGN(16); 79 /* Exception table for data bus errors !! 45 __setup_start = .; 80 __dbe_table : { !! 46 .init.setup : { *(.init.setup) } 81 __start___dbe_table = .; !! 47 __setup_end = .; 82 KEEP(*(__dbe_table)) !! 48 __start___param = .; 83 __stop___dbe_table = .; !! 49 __param : { *(__param) } 84 } !! 50 __stop___param = .; 85 !! 51 __initcall_start = .; 86 _sdata = .; /* Sta !! 52 .initcall.init : { 87 RO_DATA(4096) !! 53 *(.initcall1.init) 88 !! 54 *(.initcall2.init) 89 /* writeable */ !! 55 *(.initcall3.init) 90 .data : { /* Data */ !! 56 *(.initcall4.init) 91 . = . + DATAOFFSET; !! 57 *(.initcall5.init) 92 !! 58 *(.initcall6.init) 93 INIT_TASK_DATA(THREAD_SIZE) !! 59 *(.initcall7.init) 94 NOSAVE_DATA !! 60 } 95 PAGE_ALIGNED_DATA(PAGE_SIZE) !! 61 __initcall_end = .; 96 CACHELINE_ALIGNED_DATA(1 << CO !! 62 __con_initcall_start = .; 97 READ_MOSTLY_DATA(1 << CONFIG_M !! 63 .con_initcall.init : { *(.con_initcall.init) } 98 DATA_DATA !! 64 __con_initcall_end = .; 99 CONSTRUCTORS !! 65 SECURITY_INIT 100 } !! 66 . = ALIGN(4096); 101 BUG_TABLE !! 67 __initramfs_start = .; 102 _gp = . + 0x8000; !! 68 .init.ramfs : { *(.init.ramfs) } 103 .lit8 : { !! 69 __initramfs_end = .; 104 *(.lit8) !! 70 . = ALIGN(32); 105 } !! 71 __per_cpu_start = .; 106 .lit4 : { !! 72 .data.percpu : { *(.data.percpu) } 107 *(.lit4) !! 73 __per_cpu_end = .; 108 } !! 74 . = ALIGN(4096); 109 /* We want the small data sections tog !! 75 __init_end = .; 110 can access them all, and initialize !! 76 . = ALIGN(32); 111 we can shorten the on-disk segment !! 77 .data.cacheline_aligned : { *(.data.cacheline_aligned) } 112 .sdata : { !! 78 113 *(.sdata) !! 79 __bss_start = .; 114 } !! 80 .sbss : { *(.sbss) *(.scommon) } 115 _edata = .; /* End !! 81 .bss : 116 !! 82 { 117 /* will be freed after init */ !! 83 *(.dynbss) 118 . = ALIGN(PAGE_SIZE); /* Ini !! 84 *(.bss) 119 __init_begin = .; !! 85 *(COMMON) 120 INIT_TEXT_SECTION(PAGE_SIZE) !! 86 } 121 INIT_DATA_SECTION(16) !! 87 _end = . ; 122 !! 88 PROVIDE (end = .); 123 . = ALIGN(4); !! 89 /* Stabs debugging sections. */ 124 .mips.machines.init : AT(ADDR(.mips.ma !! 90 .stab 0 : { *(.stab) } 125 __mips_machines_start = .; !! 91 .stabstr 0 : { *(.stabstr) } 126 KEEP(*(.mips.machines.init)) !! 92 .stab.excl 0 : { *(.stab.excl) } 127 __mips_machines_end = .; !! 93 .stab.exclstr 0 : { *(.stab.exclstr) } 128 } !! 94 .stab.index 0 : { *(.stab.index) } 129 !! 95 .stab.indexstr 0 : { *(.stab.indexstr) } 130 /* .exit.text is discarded at runtime, !! 96 .comment 0 : { *(.comment) } 131 * references from .rodata !! 97 .debug 0 : { *(.debug) } 132 */ !! 98 .debug_srcinfo 0 : { *(.debug_srcinfo) } 133 .exit.text : { !! 99 .debug_aranges 0 : { *(.debug_aranges) } 134 EXIT_TEXT !! 100 .debug_pubnames 0 : { *(.debug_pubnames) } 135 } !! 101 .debug_sfnames 0 : { *(.debug_sfnames) } 136 .exit.data : { !! 102 .line 0 : { *(.line) } 137 EXIT_DATA !! 103 /DISCARD/ : { *(.exit.text) *(.exit.data) *(.exitcall.exit) } 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 << 159 .data.reloc : { << 160 _relocation_start = .; << 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 } << 174 #endif << 175 << 176 #ifdef CONFIG_MIPS_RAW_APPENDED_DTB << 177 .fill : { << 178 FILL(0); << 179 BYTE(0); << 180 STRUCT_ALIGN(); << 181 } << 182 __appended_dtb = .; << 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 << 196 /* << 197 * Force .bss to 64K alignment so that << 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 << 212 /* This is the MIPS specific mdebug se << 213 .mdebug : { << 214 *(.mdebug) << 215 } << 216 << 217 STABS_DEBUG << 218 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 << 231 /* Sections to be discarded */ << 232 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 } 104 }
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