| Paul Mackerras | c51e3a4 | 2005-11-05 10:36:59 +1100 | [diff] [blame] | 1 | #ifdef CONFIG_PPC64 |
| Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 2 | #include <asm/page.h> |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 3 | #define PROVIDE32(x) PROVIDE(__unused__##x) |
| Paul Mackerras | c51e3a4 | 2005-11-05 10:36:59 +1100 | [diff] [blame] | 4 | #else |
| 5 | #define PAGE_SIZE 4096 | ||||
| 6 | #define KERNELBASE CONFIG_KERNEL_START | ||||
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 7 | #define PROVIDE32(x) PROVIDE(x) |
| Paul Mackerras | c51e3a4 | 2005-11-05 10:36:59 +1100 | [diff] [blame] | 8 | #endif |
| Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 9 | #include <asm-generic/vmlinux.lds.h> |
| 10 | |||||
| Michael Ellerman | e19e4ab | 2005-11-03 16:03:06 +1100 | [diff] [blame] | 11 | ENTRY(_stext) |
| 12 | |||||
| Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 13 | #ifdef CONFIG_PPC64 |
| 14 | OUTPUT_ARCH(powerpc:common64) | ||||
| 15 | jiffies = jiffies_64; | ||||
| 16 | #else | ||||
| Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 17 | OUTPUT_ARCH(powerpc:common) |
| 18 | jiffies = jiffies_64 + 4; | ||||
| Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 19 | #endif |
| Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 20 | SECTIONS |
| 21 | { | ||||
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 22 | /* Sections to be discarded. */ |
| 23 | /DISCARD/ : { | ||||
| 24 | *(.exitcall.exit) | ||||
| 25 | *(.exit.data) | ||||
| 26 | } | ||||
| Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 27 | |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 28 | . = KERNELBASE; |
| Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 29 | |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 30 | /* |
| 31 | * Text, read only data and other permanent read-only sections | ||||
| 32 | */ | ||||
| 33 | |||||
| 34 | /* Text and gots */ | ||||
| 35 | .text : { | ||||
| 36 | *(.text .text.*) | ||||
| 37 | SCHED_TEXT | ||||
| 38 | LOCK_TEXT | ||||
| 39 | KPROBES_TEXT | ||||
| 40 | *(.fixup) | ||||
| 41 | |||||
| Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 42 | #ifdef CONFIG_PPC32 |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 43 | *(.got1) |
| 44 | __got2_start = .; | ||||
| 45 | *(.got2) | ||||
| 46 | __got2_end = .; | ||||
| 47 | #endif /* CONFIG_PPC32 */ | ||||
| Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 48 | |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 49 | . = ALIGN(PAGE_SIZE); |
| 50 | _etext = .; | ||||
| 51 | PROVIDE32 (etext = .); | ||||
| 52 | } | ||||
| Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 53 | |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 54 | /* Read-only data */ |
| 55 | RODATA | ||||
| Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 56 | |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 57 | /* Exception & bug tables */ |
| Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 58 | __ex_table : { |
| 59 | __start___ex_table = .; | ||||
| 60 | *(__ex_table) | ||||
| 61 | __stop___ex_table = .; | ||||
| 62 | } | ||||
| 63 | |||||
| 64 | __bug_table : { | ||||
| 65 | __start___bug_table = .; | ||||
| 66 | *(__bug_table) | ||||
| 67 | __stop___bug_table = .; | ||||
| 68 | } | ||||
| 69 | |||||
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 70 | /* |
| 71 | * Init sections discarded at runtime | ||||
| 72 | */ | ||||
| 73 | . = ALIGN(PAGE_SIZE); | ||||
| 74 | __init_begin = .; | ||||
| 75 | |||||
| 76 | .init.text : { | ||||
| 77 | _sinittext = .; | ||||
| 78 | *(.init.text) | ||||
| 79 | _einittext = .; | ||||
| 80 | } | ||||
| 81 | |||||
| 82 | /* .exit.text is discarded at runtime, not link time, | ||||
| 83 | * to deal with references from __bug_table | ||||
| 84 | */ | ||||
| 85 | .exit.text : { *(.exit.text) } | ||||
| 86 | |||||
| 87 | .init.data : { | ||||
| 88 | *(.init.data); | ||||
| 89 | __vtop_table_begin = .; | ||||
| 90 | *(.vtop_fixup); | ||||
| 91 | __vtop_table_end = .; | ||||
| 92 | __ptov_table_begin = .; | ||||
| 93 | *(.ptov_fixup); | ||||
| 94 | __ptov_table_end = .; | ||||
| Stephen Rothwell | c4e3ea2 | 2006-05-19 17:04:48 +1000 | [diff] [blame] | 95 | #ifdef CONFIG_PPC_ISERIES |
| 96 | __dt_strings_start = .; | ||||
| 97 | *(.dt_strings); | ||||
| 98 | __dt_strings_end = .; | ||||
| 99 | #endif | ||||
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 100 | } |
| 101 | |||||
| 102 | . = ALIGN(16); | ||||
| 103 | .init.setup : { | ||||
| 104 | __setup_start = .; | ||||
| 105 | *(.init.setup) | ||||
| 106 | __setup_end = .; | ||||
| 107 | } | ||||
| 108 | |||||
| 109 | .initcall.init : { | ||||
| 110 | __initcall_start = .; | ||||
| 111 | *(.initcall1.init) | ||||
| 112 | *(.initcall2.init) | ||||
| 113 | *(.initcall3.init) | ||||
| 114 | *(.initcall4.init) | ||||
| 115 | *(.initcall5.init) | ||||
| 116 | *(.initcall6.init) | ||||
| 117 | *(.initcall7.init) | ||||
| 118 | __initcall_end = .; | ||||
| 119 | } | ||||
| 120 | |||||
| 121 | .con_initcall.init : { | ||||
| 122 | __con_initcall_start = .; | ||||
| 123 | *(.con_initcall.init) | ||||
| 124 | __con_initcall_end = .; | ||||
| 125 | } | ||||
| 126 | |||||
| 127 | SECURITY_INIT | ||||
| 128 | |||||
| 129 | . = ALIGN(8); | ||||
| Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 130 | __ftr_fixup : { |
| 131 | __start___ftr_fixup = .; | ||||
| 132 | *(__ftr_fixup) | ||||
| 133 | __stop___ftr_fixup = .; | ||||
| 134 | } | ||||
| 135 | |||||
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 136 | . = ALIGN(PAGE_SIZE); |
| 137 | .init.ramfs : { | ||||
| 138 | __initramfs_start = .; | ||||
| 139 | *(.init.ramfs) | ||||
| 140 | __initramfs_end = .; | ||||
| 141 | } | ||||
| Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 142 | |
| 143 | #ifdef CONFIG_PPC32 | ||||
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 144 | . = ALIGN(32); |
| Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 145 | #else |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 146 | . = ALIGN(128); |
| Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 147 | #endif |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 148 | .data.percpu : { |
| 149 | __per_cpu_start = .; | ||||
| 150 | *(.data.percpu) | ||||
| 151 | __per_cpu_end = .; | ||||
| 152 | } | ||||
| 153 | |||||
| 154 | . = ALIGN(8); | ||||
| 155 | .machine.desc : { | ||||
| 156 | __machine_desc_start = . ; | ||||
| 157 | *(.machine.desc) | ||||
| 158 | __machine_desc_end = . ; | ||||
| 159 | } | ||||
| 160 | |||||
| 161 | /* freed after init ends here */ | ||||
| 162 | . = ALIGN(PAGE_SIZE); | ||||
| 163 | __init_end = .; | ||||
| 164 | |||||
| 165 | /* | ||||
| 166 | * And now the various read/write data | ||||
| 167 | */ | ||||
| 168 | |||||
| 169 | . = ALIGN(PAGE_SIZE); | ||||
| 170 | _sdata = .; | ||||
| Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 171 | |
| Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 172 | #ifdef CONFIG_PPC32 |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 173 | .data : |
| 174 | { | ||||
| 175 | *(.data) | ||||
| 176 | *(.sdata) | ||||
| 177 | *(.got.plt) *(.got) | ||||
| 178 | } | ||||
| Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 179 | #else |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 180 | .data : { |
| 181 | *(.data .data.rel* .toc1) | ||||
| 182 | *(.branch_lt) | ||||
| 183 | } | ||||
| Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 184 | |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 185 | .opd : { |
| 186 | *(.opd) | ||||
| 187 | } | ||||
| Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 188 | |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 189 | .got : { |
| 190 | __toc_start = .; | ||||
| 191 | *(.got) | ||||
| 192 | *(.toc) | ||||
| 193 | } | ||||
| Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 194 | #endif |
| Paul Mackerras | 4a28856 | 2005-10-10 22:38:46 +1000 | [diff] [blame] | 195 | |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 196 | . = ALIGN(PAGE_SIZE); |
| 197 | _edata = .; | ||||
| 198 | PROVIDE32 (edata = .); | ||||
| Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 199 | |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 200 | /* The initial task and kernel stack */ |
| Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 201 | #ifdef CONFIG_PPC32 |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 202 | . = ALIGN(8192); |
| 203 | #else | ||||
| 204 | . = ALIGN(16384); | ||||
| Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 205 | #endif |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 206 | .data.init_task : { |
| 207 | *(.data.init_task) | ||||
| 208 | } | ||||
| 209 | |||||
| 210 | . = ALIGN(PAGE_SIZE); | ||||
| 211 | .data.page_aligned : { | ||||
| 212 | *(.data.page_aligned) | ||||
| 213 | } | ||||
| 214 | |||||
| 215 | .data.cacheline_aligned : { | ||||
| 216 | *(.data.cacheline_aligned) | ||||
| 217 | } | ||||
| 218 | |||||
| 219 | . = ALIGN(PAGE_SIZE); | ||||
| 220 | __data_nosave : { | ||||
| 221 | __nosave_begin = .; | ||||
| 222 | *(.data.nosave) | ||||
| 223 | . = ALIGN(PAGE_SIZE); | ||||
| 224 | __nosave_end = .; | ||||
| 225 | } | ||||
| 226 | |||||
| 227 | /* | ||||
| 228 | * And finally the bss | ||||
| 229 | */ | ||||
| 230 | |||||
| 231 | .bss : { | ||||
| 232 | __bss_start = .; | ||||
| 233 | *(.sbss) *(.scommon) | ||||
| 234 | *(.dynbss) | ||||
| 235 | *(.bss) | ||||
| 236 | *(COMMON) | ||||
| 237 | __bss_stop = .; | ||||
| 238 | } | ||||
| 239 | |||||
| 240 | . = ALIGN(PAGE_SIZE); | ||||
| 241 | _end = . ; | ||||
| 242 | PROVIDE32 (end = .); | ||||
| Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 243 | } |