1 /* SPDX-License-Identifier: GPL-2.0 */ !! 1 #include <asm/asm-offsets.h>
>> 2 #include <asm/thread_info.h>
2 3
3 #include <asm/vmlinux.lds.h> !! 4 #define PAGE_SIZE _PAGE_SIZE
4 #include <asm/page.h> <<
5 #include <asm/memory.h> <<
6 5
7 OUTPUT_ARCH(csky) !! 6 /*
8 ENTRY(_start) !! 7 * Put .bss..swapper_pg_dir as the first thing in .bss. This will
9 !! 8 * ensure that it has .bss alignment (64K).
10 #ifndef __cskyBE__ !! 9 */
11 jiffies = jiffies_64; !! 10 #define BSS_FIRST_SECTIONS *(.bss..swapper_pg_dir)
>> 11
>> 12 #include <asm-generic/vmlinux.lds.h>
>> 13
>> 14 #undef mips
>> 15 #define mips mips
>> 16 OUTPUT_ARCH(mips)
>> 17 ENTRY(kernel_entry)
>> 18 PHDRS {
>> 19 text PT_LOAD FLAGS(7); /* RWX */
>> 20 note PT_NOTE FLAGS(4); /* R__ */
>> 21 }
>> 22
>> 23 #ifdef CONFIG_32BIT
>> 24 #ifdef CONFIG_CPU_LITTLE_ENDIAN
>> 25 jiffies = jiffies_64;
>> 26 #else
>> 27 jiffies = jiffies_64 + 4;
>> 28 #endif
12 #else 29 #else
13 jiffies = jiffies_64 + 4; !! 30 jiffies = jiffies_64;
14 #endif 31 #endif
15 32
16 #define VBR_BASE \ <<
17 . = ALIGN(1024); \ <<
18 vec_base = .; \ <<
19 . += 512; <<
20 <<
21 SECTIONS 33 SECTIONS
22 { 34 {
23 . = PAGE_OFFSET + PHYS_OFFSET_OFFSET; !! 35 #ifdef CONFIG_BOOT_ELF64
>> 36 /* Read-only sections, merged into text segment: */
>> 37 /* . = 0xc000000000000000; */
>> 38
>> 39 /* This is the value for an Origin kernel, taken from an IRIX kernel. */
>> 40 /* . = 0xc00000000001c000; */
>> 41
>> 42 /* Set the vaddr for the text segment to a value
>> 43 * >= 0xa800 0000 0001 9000 if no symmon is going to configured
>> 44 * >= 0xa800 0000 0030 0000 otherwise
>> 45 */
24 46
25 _start = .; !! 47 /* . = 0xa800000000300000; */
26 HEAD_TEXT_SECTION !! 48 . = 0xffffffff80300000;
27 . = ALIGN(PAGE_SIZE); !! 49 #endif
28 !! 50 . = VMLINUX_LOAD_ADDRESS;
29 .text : AT(ADDR(.text) - LOAD_OFFSET) !! 51 /* read-only */
30 _text = .; !! 52 _text = .; /* Text and read-only data */
31 _stext = .; !! 53 .text : {
32 VBR_BASE <<
33 IRQENTRY_TEXT <<
34 SOFTIRQENTRY_TEXT <<
35 TEXT_TEXT 54 TEXT_TEXT
36 SCHED_TEXT 55 SCHED_TEXT
37 LOCK_TEXT 56 LOCK_TEXT
38 KPROBES_TEXT 57 KPROBES_TEXT
>> 58 IRQENTRY_TEXT
>> 59 *(.text.*)
39 *(.fixup) 60 *(.fixup)
40 *(.gnu.warning) 61 *(.gnu.warning)
41 } = 0 !! 62 } :text = 0
42 _etext = .; !! 63 _etext = .; /* End of text section */
43 64
44 /* __init_begin __init_end must be pag !! 65 EXCEPTION_TABLE(16)
45 . = ALIGN(PAGE_SIZE); <<
46 __init_begin = .; <<
47 INIT_TEXT_SECTION(PAGE_SIZE) <<
48 INIT_DATA_SECTION(PAGE_SIZE) <<
49 PERCPU_SECTION(L1_CACHE_BYTES) <<
50 . = ALIGN(PAGE_SIZE); <<
51 __init_end = .; <<
52 66
53 _sdata = .; !! 67 /* Exception table for data bus errors */
54 RO_DATA(PAGE_SIZE) !! 68 __dbe_table : {
55 RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THR !! 69 __start___dbe_table = .;
56 _edata = .; !! 70 *(__dbe_table)
57 !! 71 __stop___dbe_table = .;
58 #ifdef CONFIG_HAVE_TCM <<
59 .tcm_start : { <<
60 . = ALIGN(PAGE_SIZE); <<
61 __tcm_start = .; <<
62 } <<
63 <<
64 .text_data_tcm FIXADDR_TCM : AT(__tcm_ <<
65 { <<
66 . = ALIGN(4); <<
67 __stcm_text_data = .; <<
68 *(.tcm.text) <<
69 *(.tcm.rodata) <<
70 #ifndef CONFIG_HAVE_DTCM <<
71 *(.tcm.data) <<
72 #endif <<
73 . = ALIGN(4); <<
74 __etcm_text_data = .; <<
75 } 72 }
76 73
77 . = ADDR(.tcm_start) + SIZEOF(.tcm_sta !! 74 NOTES :text :note
>> 75 .dummy : { *(.dummy) } :text
78 76
79 #ifdef CONFIG_HAVE_DTCM !! 77 _sdata = .; /* Start of data section */
80 #define ITCM_SIZE CONFIG_ITCM_NR !! 78 RODATA
81 79
82 .dtcm_start : { !! 80 /* writeable */
83 __dtcm_start = .; !! 81 .data : { /* Data */
>> 82 . = . + DATAOFFSET; /* for CONFIG_MAPPED_KERNEL */
>> 83
>> 84 INIT_TASK_DATA(THREAD_SIZE)
>> 85 NOSAVE_DATA
>> 86 CACHELINE_ALIGNED_DATA(1 << CONFIG_MIPS_L1_CACHE_SHIFT)
>> 87 READ_MOSTLY_DATA(1 << CONFIG_MIPS_L1_CACHE_SHIFT)
>> 88 DATA_DATA
>> 89 CONSTRUCTORS
84 } 90 }
85 !! 91 _gp = . + 0x8000;
86 .data_tcm FIXADDR_TCM + ITCM_SIZE : AT !! 92 .lit8 : {
87 { !! 93 *(.lit8)
88 . = ALIGN(4); !! 94 }
89 __stcm_data = .; !! 95 .lit4 : {
90 *(.tcm.data) !! 96 *(.lit4)
91 . = ALIGN(4); !! 97 }
92 __etcm_data = .; !! 98 /* We want the small data sections together, so single-instruction offsets
>> 99 can access them all, and initialized data all before uninitialized, so
>> 100 we can shorten the on-disk segment size. */
>> 101 .sdata : {
>> 102 *(.sdata)
93 } 103 }
>> 104 _edata = .; /* End of data section */
94 105
95 . = ADDR(.dtcm_start) + SIZEOF(.data_t !! 106 /* will be freed after init */
>> 107 . = ALIGN(PAGE_SIZE); /* Init code and data */
>> 108 __init_begin = .;
>> 109 INIT_TEXT_SECTION(PAGE_SIZE)
>> 110 INIT_DATA_SECTION(16)
96 111
97 .tcm_end : AT(ADDR(.dtcm_start) + SIZE !! 112 . = ALIGN(4);
98 #else !! 113 .mips.machines.init : AT(ADDR(.mips.machines.init) - LOAD_OFFSET) {
99 .tcm_end : AT(ADDR(.tcm_start) + SIZEO !! 114 __mips_machines_start = .;
100 #endif !! 115 *(.mips.machines.init)
101 . = ALIGN(PAGE_SIZE); !! 116 __mips_machines_end = .;
102 __tcm_end = .; !! 117 }
>> 118
>> 119 /* .exit.text is discarded at runtime, not link time, to deal with
>> 120 * references from .rodata
>> 121 */
>> 122 .exit.text : {
>> 123 EXIT_TEXT
>> 124 }
>> 125 .exit.data : {
>> 126 EXIT_DATA
103 } 127 }
104 #endif <<
105 128
106 EXCEPTION_TABLE(L1_CACHE_BYTES) !! 129 PERCPU_SECTION(1 << CONFIG_MIPS_L1_CACHE_SHIFT)
107 BSS_SECTION(L1_CACHE_BYTES, PAGE_SIZE, !! 130 /*
>> 131 * Align to 64K in attempt to eliminate holes before the
>> 132 * .bss..swapper_pg_dir section at the start of .bss. This
>> 133 * also satisfies PAGE_SIZE alignment as the largest page size
>> 134 * allowed is 64K.
>> 135 */
>> 136 . = ALIGN(0x10000);
>> 137 __init_end = .;
>> 138 /* freed after init ends here */
>> 139
>> 140 /*
>> 141 * Force .bss to 64K alignment so that .bss..swapper_pg_dir
>> 142 * gets that alignment. .sbss should be empty, so there will be
>> 143 * no holes after __init_end. */
>> 144 BSS_SECTION(0, 0x10000, 0)
>> 145
108 _end = . ; 146 _end = . ;
109 147
>> 148 /* These mark the ABI of the kernel for debuggers. */
>> 149 .mdebug.abi32 : {
>> 150 KEEP(*(.mdebug.abi32))
>> 151 }
>> 152 .mdebug.abi64 : {
>> 153 KEEP(*(.mdebug.abi64))
>> 154 }
>> 155
>> 156 /* This is the MIPS specific mdebug section. */
>> 157 .mdebug : {
>> 158 *(.mdebug)
>> 159 }
>> 160
110 STABS_DEBUG 161 STABS_DEBUG
111 DWARF_DEBUG 162 DWARF_DEBUG
112 ELF_DETAILS <<
113 163
>> 164 /* These must appear regardless of . */
>> 165 .gptab.sdata : {
>> 166 *(.gptab.data)
>> 167 *(.gptab.sdata)
>> 168 }
>> 169 .gptab.sbss : {
>> 170 *(.gptab.bss)
>> 171 *(.gptab.sbss)
>> 172 }
>> 173
>> 174 /* Sections to be discarded */
114 DISCARDS 175 DISCARDS
>> 176 /DISCARD/ : {
>> 177 /* ABI crap starts here */
>> 178 *(.MIPS.options)
>> 179 *(.options)
>> 180 *(.pdr)
>> 181 *(.reginfo)
>> 182 }
115 } 183 }
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