| Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 1 | #include <linux/config.h> |
| Paul Mackerras | c51e3a41 | 2005-11-05 10:36:59 +1100 | [diff] [blame] | 2 | #ifdef CONFIG_PPC64 |
| Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 3 | #include <asm/page.h> |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 4 | #define PROVIDE32(x) PROVIDE(__unused__##x) |
| Paul Mackerras | c51e3a41 | 2005-11-05 10:36:59 +1100 | [diff] [blame] | 5 | #else |
| 6 | #define PAGE_SIZE 4096 | ||||
| 7 | #define KERNELBASE CONFIG_KERNEL_START | ||||
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 8 | #define PROVIDE32(x) PROVIDE(x) |
| Paul Mackerras | c51e3a41 | 2005-11-05 10:36:59 +1100 | [diff] [blame] | 9 | #endif |
| Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 10 | #include <asm-generic/vmlinux.lds.h> |
| 11 | |||||
| Michael Ellerman | e19e4ab | 2005-11-03 16:03:06 +1100 | [diff] [blame] | 12 | ENTRY(_stext) |
| 13 | |||||
| Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 14 | #ifdef CONFIG_PPC64 |
| 15 | OUTPUT_ARCH(powerpc:common64) | ||||
| 16 | jiffies = jiffies_64; | ||||
| 17 | #else | ||||
| Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 18 | OUTPUT_ARCH(powerpc:common) |
| 19 | jiffies = jiffies_64 + 4; | ||||
| Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 20 | #endif |
| Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 21 | SECTIONS |
| 22 | { | ||||
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 23 | /* Sections to be discarded. */ |
| 24 | /DISCARD/ : { | ||||
| 25 | *(.exitcall.exit) | ||||
| 26 | *(.exit.data) | ||||
| 27 | } | ||||
| Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 28 | |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 29 | . = KERNELBASE; |
| Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 30 | |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 31 | /* |
| 32 | * Text, read only data and other permanent read-only sections | ||||
| 33 | */ | ||||
| 34 | |||||
| 35 | /* Text and gots */ | ||||
| 36 | .text : { | ||||
| 37 | *(.text .text.*) | ||||
| 38 | SCHED_TEXT | ||||
| 39 | LOCK_TEXT | ||||
| 40 | KPROBES_TEXT | ||||
| 41 | *(.fixup) | ||||
| 42 | |||||
| Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 43 | #ifdef CONFIG_PPC32 |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 44 | *(.got1) |
| 45 | __got2_start = .; | ||||
| 46 | *(.got2) | ||||
| 47 | __got2_end = .; | ||||
| 48 | #endif /* CONFIG_PPC32 */ | ||||
| Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 49 | |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 50 | . = ALIGN(PAGE_SIZE); |
| 51 | _etext = .; | ||||
| 52 | PROVIDE32 (etext = .); | ||||
| 53 | } | ||||
| Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 54 | |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 55 | /* Read-only data */ |
| 56 | RODATA | ||||
| Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 57 | |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 58 | /* Exception & bug tables */ |
| Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 59 | __ex_table : { |
| 60 | __start___ex_table = .; | ||||
| 61 | *(__ex_table) | ||||
| 62 | __stop___ex_table = .; | ||||
| 63 | } | ||||
| 64 | |||||
| 65 | __bug_table : { | ||||
| 66 | __start___bug_table = .; | ||||
| 67 | *(__bug_table) | ||||
| 68 | __stop___bug_table = .; | ||||
| 69 | } | ||||
| 70 | |||||
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 71 | /* |
| 72 | * Init sections discarded at runtime | ||||
| 73 | */ | ||||
| 74 | . = ALIGN(PAGE_SIZE); | ||||
| 75 | __init_begin = .; | ||||
| 76 | |||||
| 77 | .init.text : { | ||||
| 78 | _sinittext = .; | ||||
| 79 | *(.init.text) | ||||
| 80 | _einittext = .; | ||||
| 81 | } | ||||
| 82 | |||||
| 83 | /* .exit.text is discarded at runtime, not link time, | ||||
| 84 | * to deal with references from __bug_table | ||||
| 85 | */ | ||||
| 86 | .exit.text : { *(.exit.text) } | ||||
| 87 | |||||
| 88 | .init.data : { | ||||
| 89 | *(.init.data); | ||||
| 90 | __vtop_table_begin = .; | ||||
| 91 | *(.vtop_fixup); | ||||
| 92 | __vtop_table_end = .; | ||||
| 93 | __ptov_table_begin = .; | ||||
| 94 | *(.ptov_fixup); | ||||
| 95 | __ptov_table_end = .; | ||||
| 96 | } | ||||
| 97 | |||||
| 98 | . = ALIGN(16); | ||||
| 99 | .init.setup : { | ||||
| 100 | __setup_start = .; | ||||
| 101 | *(.init.setup) | ||||
| 102 | __setup_end = .; | ||||
| 103 | } | ||||
| 104 | |||||
| 105 | .initcall.init : { | ||||
| 106 | __initcall_start = .; | ||||
| 107 | *(.initcall1.init) | ||||
| 108 | *(.initcall2.init) | ||||
| 109 | *(.initcall3.init) | ||||
| 110 | *(.initcall4.init) | ||||
| 111 | *(.initcall5.init) | ||||
| 112 | *(.initcall6.init) | ||||
| 113 | *(.initcall7.init) | ||||
| 114 | __initcall_end = .; | ||||
| 115 | } | ||||
| 116 | |||||
| 117 | .con_initcall.init : { | ||||
| 118 | __con_initcall_start = .; | ||||
| 119 | *(.con_initcall.init) | ||||
| 120 | __con_initcall_end = .; | ||||
| 121 | } | ||||
| 122 | |||||
| 123 | SECURITY_INIT | ||||
| 124 | |||||
| 125 | . = ALIGN(8); | ||||
| Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 126 | __ftr_fixup : { |
| 127 | __start___ftr_fixup = .; | ||||
| 128 | *(__ftr_fixup) | ||||
| 129 | __stop___ftr_fixup = .; | ||||
| 130 | } | ||||
| 131 | |||||
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 132 | . = ALIGN(PAGE_SIZE); |
| 133 | .init.ramfs : { | ||||
| 134 | __initramfs_start = .; | ||||
| 135 | *(.init.ramfs) | ||||
| 136 | __initramfs_end = .; | ||||
| 137 | } | ||||
| Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 138 | |
| 139 | #ifdef CONFIG_PPC32 | ||||
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 140 | . = ALIGN(32); |
| Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 141 | #else |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 142 | . = ALIGN(128); |
| Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 143 | #endif |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 144 | .data.percpu : { |
| 145 | __per_cpu_start = .; | ||||
| 146 | *(.data.percpu) | ||||
| 147 | __per_cpu_end = .; | ||||
| 148 | } | ||||
| 149 | |||||
| 150 | . = ALIGN(8); | ||||
| 151 | .machine.desc : { | ||||
| 152 | __machine_desc_start = . ; | ||||
| 153 | *(.machine.desc) | ||||
| 154 | __machine_desc_end = . ; | ||||
| 155 | } | ||||
| 156 | |||||
| 157 | /* freed after init ends here */ | ||||
| 158 | . = ALIGN(PAGE_SIZE); | ||||
| 159 | __init_end = .; | ||||
| 160 | |||||
| 161 | /* | ||||
| 162 | * And now the various read/write data | ||||
| 163 | */ | ||||
| 164 | |||||
| 165 | . = ALIGN(PAGE_SIZE); | ||||
| 166 | _sdata = .; | ||||
| Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 167 | |
| Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 168 | #ifdef CONFIG_PPC32 |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 169 | .data : |
| 170 | { | ||||
| 171 | *(.data) | ||||
| 172 | *(.sdata) | ||||
| 173 | *(.got.plt) *(.got) | ||||
| 174 | } | ||||
| Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 175 | #else |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 176 | .data : { |
| 177 | *(.data .data.rel* .toc1) | ||||
| 178 | *(.branch_lt) | ||||
| 179 | } | ||||
| Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 180 | |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 181 | .opd : { |
| 182 | *(.opd) | ||||
| 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 | .got : { |
| 186 | __toc_start = .; | ||||
| 187 | *(.got) | ||||
| 188 | *(.toc) | ||||
| 189 | } | ||||
| Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 190 | #endif |
| Paul Mackerras | 4a28856 | 2005-10-10 22:38:46 +1000 | [diff] [blame] | 191 | |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 192 | . = ALIGN(PAGE_SIZE); |
| 193 | _edata = .; | ||||
| 194 | PROVIDE32 (edata = .); | ||||
| Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 195 | |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 196 | /* The initial task and kernel stack */ |
| Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 197 | #ifdef CONFIG_PPC32 |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 198 | . = ALIGN(8192); |
| 199 | #else | ||||
| 200 | . = ALIGN(16384); | ||||
| Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 201 | #endif |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 202 | .data.init_task : { |
| 203 | *(.data.init_task) | ||||
| 204 | } | ||||
| 205 | |||||
| 206 | . = ALIGN(PAGE_SIZE); | ||||
| 207 | .data.page_aligned : { | ||||
| 208 | *(.data.page_aligned) | ||||
| 209 | } | ||||
| 210 | |||||
| 211 | .data.cacheline_aligned : { | ||||
| 212 | *(.data.cacheline_aligned) | ||||
| 213 | } | ||||
| 214 | |||||
| 215 | . = ALIGN(PAGE_SIZE); | ||||
| 216 | __data_nosave : { | ||||
| 217 | __nosave_begin = .; | ||||
| 218 | *(.data.nosave) | ||||
| 219 | . = ALIGN(PAGE_SIZE); | ||||
| 220 | __nosave_end = .; | ||||
| 221 | } | ||||
| 222 | |||||
| 223 | /* | ||||
| 224 | * And finally the bss | ||||
| 225 | */ | ||||
| 226 | |||||
| 227 | .bss : { | ||||
| 228 | __bss_start = .; | ||||
| 229 | *(.sbss) *(.scommon) | ||||
| 230 | *(.dynbss) | ||||
| 231 | *(.bss) | ||||
| 232 | *(COMMON) | ||||
| 233 | __bss_stop = .; | ||||
| 234 | } | ||||
| 235 | |||||
| 236 | . = ALIGN(PAGE_SIZE); | ||||
| 237 | _end = . ; | ||||
| 238 | PROVIDE32 (end = .); | ||||
| Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 239 | } |