projects/linux·blob master · refs

198 lines · 3.7 KiB

1/* SPDX-License-Identifier: GPL-2.0 */
2/* ld script for sparc32/sparc64 kernel */
3
4#include <asm-generic/vmlinux.lds.h>
5
6#include <asm/page.h>
7#include <asm/thread_info.h>
8
9#ifdef CONFIG_SPARC32
10#define INITIAL_ADDRESS 0x10000 + SIZEOF_HEADERS
11#define TEXTSTART 0xf0004000
12
13#define SMP_CACHE_BYTES_SHIFT 5
14
15#else
16#define SMP_CACHE_BYTES_SHIFT 6
17#define INITIAL_ADDRESS 0x4000
18#define TEXTSTART 0x0000000000404000
19
20#endif
21
22#define SMP_CACHE_BYTES (1 << SMP_CACHE_BYTES_SHIFT)
23
24#ifdef CONFIG_SPARC32
25OUTPUT_FORMAT("elf32-sparc", "elf32-sparc", "elf32-sparc")
26OUTPUT_ARCH(sparc)
27ENTRY(_start)
28jiffies = jiffies_64 + 4;
29#else
30/* sparc64 */
31OUTPUT_FORMAT("elf64-sparc", "elf64-sparc", "elf64-sparc")
32OUTPUT_ARCH(sparc:v9a)
33ENTRY(_start)
34jiffies = jiffies_64;
35#endif
36
37#ifdef CONFIG_SPARC64
38ASSERT((swapper_tsb == 0x0000000000408000), "Error: sparc64 early assembler too large")
39#endif
40
41SECTIONS
42{
43#ifdef CONFIG_SPARC64
44 swapper_pg_dir = 0x0000000000402000;
45#endif
46 . = INITIAL_ADDRESS;
47 .text TEXTSTART :
48 {
49 _text = .;
50 HEAD_TEXT
51 ALIGN_FUNCTION();
52#ifdef CONFIG_SPARC64
53 /* Match text section symbols in head_64.S first */
54 *head_64.o(.text)
55#endif
56 TEXT_TEXT
57 SCHED_TEXT
58 LOCK_TEXT
59 KPROBES_TEXT
60 IRQENTRY_TEXT
61 SOFTIRQENTRY_TEXT
62 *(.gnu.warning)
63 } = 0
64 _etext = .;
65
66 RO_DATA(PAGE_SIZE)
67
68 /* Start of data section */
69 _sdata = .;
70
71 .data1 : {
72 *(.data1)
73 }
74 RW_DATA(SMP_CACHE_BYTES, 0, THREAD_SIZE)
75
76 /* End of data section */
77 _edata = .;
78
79 .fixup : {
80 __start___fixup = .;
81 *(.fixup)
82 __stop___fixup = .;
83 }
84 EXCEPTION_TABLE(16)
85
86 . = ALIGN(PAGE_SIZE);
87 __init_begin = ALIGN(PAGE_SIZE);
88 INIT_TEXT_SECTION(PAGE_SIZE)
89 __init_text_end = .;
90 INIT_DATA_SECTION(16)
91
92 . = ALIGN(4);
93 .tsb_ldquad_phys_patch : {
94 __tsb_ldquad_phys_patch = .;
95 *(.tsb_ldquad_phys_patch)
96 __tsb_ldquad_phys_patch_end = .;
97 }
98
99 .tsb_phys_patch : {
100 __tsb_phys_patch = .;
101 *(.tsb_phys_patch)
102 __tsb_phys_patch_end = .;
103 }
104
105 .cpuid_patch : {
106 __cpuid_patch = .;
107 *(.cpuid_patch)
108 __cpuid_patch_end = .;
109 }
110
111 .sun4v_1insn_patch : {
112 __sun4v_1insn_patch = .;
113 *(.sun4v_1insn_patch)
114 __sun4v_1insn_patch_end = .;
115 }
116 .sun4v_2insn_patch : {
117 __sun4v_2insn_patch = .;
118 *(.sun4v_2insn_patch)
119 __sun4v_2insn_patch_end = .;
120 }
121 .leon_1insn_patch : {
122 __leon_1insn_patch = .;
123 *(.leon_1insn_patch)
124 __leon_1insn_patch_end = .;
125 }
126 .swapper_tsb_phys_patch : {
127 __swapper_tsb_phys_patch = .;
128 *(.swapper_tsb_phys_patch)
129 __swapper_tsb_phys_patch_end = .;
130 }
131 .swapper_4m_tsb_phys_patch : {
132 __swapper_4m_tsb_phys_patch = .;
133 *(.swapper_4m_tsb_phys_patch)
134 __swapper_4m_tsb_phys_patch_end = .;
135 }
136 .popc_3insn_patch : {
137 __popc_3insn_patch = .;
138 *(.popc_3insn_patch)
139 __popc_3insn_patch_end = .;
140 }
141 .popc_6insn_patch : {
142 __popc_6insn_patch = .;
143 *(.popc_6insn_patch)
144 __popc_6insn_patch_end = .;
145 }
146 .pause_3insn_patch : {
147 __pause_3insn_patch = .;
148 *(.pause_3insn_patch)
149 __pause_3insn_patch_end = .;
150 }
151 .sun_m7_1insn_patch : {
152 __sun_m7_1insn_patch = .;
153 *(.sun_m7_1insn_patch)
154 __sun_m7_1insn_patch_end = .;
155 }
156 .sun_m7_2insn_patch : {
157 __sun_m7_2insn_patch = .;
158 *(.sun_m7_2insn_patch)
159 __sun_m7_2insn_patch_end = .;
160 }
161 .get_tick_patch : {
162 __get_tick_patch = .;
163 *(.get_tick_patch)
164 __get_tick_patch_end = .;
165 }
166 .pud_huge_patch : {
167 __pud_huge_patch = .;
168 *(.pud_huge_patch)
169 __pud_huge_patch_end = .;
170 }
171 .fast_win_ctrl_1insn_patch : {
172 __fast_win_ctrl_1insn_patch = .;
173 *(.fast_win_ctrl_1insn_patch)
174 __fast_win_ctrl_1insn_patch_end = .;
175 }
176 PERCPU_SECTION(SMP_CACHE_BYTES)
177
178 . = ALIGN(PAGE_SIZE);
179 .exit.text : {
180 EXIT_TEXT
181 }
182
183 .exit.data : {
184 EXIT_DATA
185 }
186
187 . = ALIGN(PAGE_SIZE);
188 __init_end = .;
189 BSS_SECTION(0, 0, 0)
190 _end = . ;
191
192 STABS_DEBUG
193 DWARF_DEBUG
194 MODINFO
195 ELF_DETAILS
196
197 DISCARDS
198}