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Commit | Line | Data |
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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
1da177e4 LT |
2 | /* ld script to make s390 Linux kernel |
3 | * Written by Martin Schwidefsky (schwidefsky@de.ibm.com) | |
4 | */ | |
5 | ||
0778dc3a | 6 | #include <asm/thread_info.h> |
52480ee5 | 7 | #include <asm/page.h> |
0ccb32c9 HC |
8 | |
9 | /* | |
10 | * Put .bss..swapper_pg_dir as the first thing in .bss. This will | |
11 | * make sure it has 16k alignment. | |
12 | */ | |
13 | #define BSS_FIRST_SECTIONS *(.bss..swapper_pg_dir) | |
14 | ||
d07a980c HC |
15 | /* Handle ro_after_init data on our own. */ |
16 | #define RO_AFTER_INIT_DATA | |
17 | ||
1da177e4 | 18 | #include <asm-generic/vmlinux.lds.h> |
1da177e4 | 19 | |
1da177e4 LT |
20 | OUTPUT_FORMAT("elf64-s390", "elf64-s390", "elf64-s390") |
21 | OUTPUT_ARCH(s390:64-bit) | |
e0a15d5b | 22 | ENTRY(startup) |
1da177e4 | 23 | jiffies = jiffies_64; |
1da177e4 | 24 | |
ea29ee16 MS |
25 | PHDRS { |
26 | text PT_LOAD FLAGS(5); /* R_E */ | |
27 | data PT_LOAD FLAGS(7); /* RWE */ | |
28 | note PT_NOTE FLAGS(0); /* ___ */ | |
29 | } | |
30 | ||
1da177e4 LT |
31 | SECTIONS |
32 | { | |
e16af09d SR |
33 | . = 0x00000000; |
34 | .text : { | |
d04a4c76 | 35 | /* Text and read-only data */ |
2133bb8d | 36 | HEAD_TEXT |
d04a4c76 HC |
37 | /* |
38 | * E.g. perf doesn't like symbols starting at address zero, | |
39 | * therefore skip the initial PSW and channel program located | |
40 | * at address zero and let _text start at 0x200. | |
41 | */ | |
42 | _text = 0x200; | |
2133bb8d | 43 | TEXT_TEXT |
e16af09d | 44 | SCHED_TEXT |
6727ad9e | 45 | CPUIDLE_TEXT |
e16af09d SR |
46 | LOCK_TEXT |
47 | KPROBES_TEXT | |
88dbd203 | 48 | IRQENTRY_TEXT |
be7635e7 | 49 | SOFTIRQENTRY_TEXT |
e16af09d SR |
50 | *(.fixup) |
51 | *(.gnu.warning) | |
a817a61f | 52 | } :text = 0x0700 |
1da177e4 | 53 | |
57d7f939 | 54 | . = ALIGN(PAGE_SIZE); |
e16af09d | 55 | _etext = .; /* End of text section */ |
1da177e4 | 56 | |
ea29ee16 | 57 | NOTES :text :note |
ea29ee16 | 58 | |
7a2512b7 MS |
59 | .dummy : { *(.dummy) } :data |
60 | ||
56280b1b | 61 | RO_DATA_SECTION(PAGE_SIZE) |
1da177e4 LT |
62 | |
63 | #ifdef CONFIG_SHARED_KERNEL | |
52480ee5 | 64 | . = ALIGN(0x100000); /* VM shared segments are 1MB aligned */ |
162e006e | 65 | #endif |
1da177e4 | 66 | |
52480ee5 | 67 | . = ALIGN(PAGE_SIZE); |
e16af09d | 68 | _eshared = .; /* End of shareable data */ |
dfcc3e6a | 69 | _sdata = .; /* Start of data section */ |
e16af09d | 70 | |
d07a980c HC |
71 | . = ALIGN(PAGE_SIZE); |
72 | __start_ro_after_init = .; | |
73 | .data..ro_after_init : { | |
74 | *(.data..ro_after_init) | |
75 | } | |
76 | EXCEPTION_TABLE(16) | |
77 | . = ALIGN(PAGE_SIZE); | |
78 | __end_ro_after_init = .; | |
e16af09d | 79 | |
04a95f6d | 80 | RW_DATA_SECTION(0x100, PAGE_SIZE, THREAD_SIZE) |
e16af09d | 81 | |
e16af09d SR |
82 | _edata = .; /* End of data section */ |
83 | ||
e16af09d | 84 | /* will be freed after init */ |
52480ee5 | 85 | . = ALIGN(PAGE_SIZE); /* Init code and data */ |
e16af09d | 86 | __init_begin = .; |
04a95f6d | 87 | |
57d7f939 MS |
88 | . = ALIGN(PAGE_SIZE); |
89 | .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) { | |
90 | VMLINUX_SYMBOL(_sinittext) = . ; | |
91 | INIT_TEXT | |
92 | . = ALIGN(PAGE_SIZE); | |
93 | VMLINUX_SYMBOL(_einittext) = . ; | |
94 | } | |
04a95f6d | 95 | |
e16af09d SR |
96 | /* |
97 | * .exit.text is discarded at runtime, not link time, | |
98 | * to deal with references from __bug_table | |
99 | */ | |
100 | .exit.text : { | |
01ba2bdc | 101 | EXIT_TEXT |
e16af09d SR |
102 | } |
103 | ||
a4e69245 HC |
104 | .exit.data : { |
105 | EXIT_DATA | |
106 | } | |
107 | ||
92e6ecf3 CB |
108 | /* early.c uses stsi, which requires page aligned data. */ |
109 | . = ALIGN(PAGE_SIZE); | |
04a95f6d | 110 | INIT_DATA_SECTION(0x100) |
e16af09d | 111 | |
0415b00d | 112 | PERCPU_SECTION(0x100) |
52480ee5 | 113 | . = ALIGN(PAGE_SIZE); |
e16af09d SR |
114 | __init_end = .; /* freed after init ends here */ |
115 | ||
0ccb32c9 | 116 | BSS_SECTION(PAGE_SIZE, 4 * PAGE_SIZE, PAGE_SIZE) |
e16af09d SR |
117 | |
118 | _end = . ; | |
119 | ||
e16af09d SR |
120 | /* Debugging sections. */ |
121 | STABS_DEBUG | |
122 | DWARF_DEBUG | |
023bf6f1 TH |
123 | |
124 | /* Sections to be discarded */ | |
125 | DISCARDS | |
1da177e4 | 126 | } |