| 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> |
| Tony Breeds | bd67fcf | 2007-07-04 14:04:31 +1000 | [diff] [blame] | 10 | #include <asm/cache.h> |
| Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 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 : { | ||||
| Kumar Gala | 748a768 | 2007-09-13 15:42:35 -0500 | [diff] [blame] | 37 | ALIGN_FUNCTION(); |
| 38 | *(.text.head) | ||||
| Eric W. Biederman | fd593d1 | 2006-12-07 02:14:04 +0100 | [diff] [blame] | 39 | _text = .; |
| Stephen Rothwell | e95c918 | 2007-11-04 13:28:39 +1100 | [diff] [blame] | 40 | *(.text .fixup .text.init.refok .exit.text.refok) |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 41 | SCHED_TEXT |
| 42 | LOCK_TEXT | ||||
| 43 | KPROBES_TEXT | ||||
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 44 | |
| Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 45 | #ifdef CONFIG_PPC32 |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 46 | *(.got1) |
| 47 | __got2_start = .; | ||||
| 48 | *(.got2) | ||||
| 49 | __got2_end = .; | ||||
| 50 | #endif /* CONFIG_PPC32 */ | ||||
| Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 51 | |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 52 | . = ALIGN(PAGE_SIZE); |
| 53 | _etext = .; | ||||
| 54 | PROVIDE32 (etext = .); | ||||
| 55 | } | ||||
| 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 | /* Read-only data */ |
| 58 | RODATA | ||||
| Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 59 | |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 60 | /* Exception & bug tables */ |
| Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 61 | __ex_table : { |
| 62 | __start___ex_table = .; | ||||
| 63 | *(__ex_table) | ||||
| 64 | __stop___ex_table = .; | ||||
| 65 | } | ||||
| 66 | |||||
| Roland McGrath | 8fb775e | 2007-07-19 01:48:38 -0700 | [diff] [blame] | 67 | NOTES |
| 68 | |||||
| Jeremy Fitzhardinge | 73c9cea | 2006-12-08 03:30:41 -0800 | [diff] [blame] | 69 | BUG_TABLE |
| Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 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 = .; | ||||
| Stephen Rothwell | c4e3ea2 | 2006-05-19 17:04:48 +1000 | [diff] [blame] | 96 | #ifdef CONFIG_PPC_ISERIES |
| 97 | __dt_strings_start = .; | ||||
| 98 | *(.dt_strings); | ||||
| 99 | __dt_strings_end = .; | ||||
| 100 | #endif | ||||
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 101 | } |
| 102 | |||||
| 103 | . = ALIGN(16); | ||||
| 104 | .init.setup : { | ||||
| 105 | __setup_start = .; | ||||
| 106 | *(.init.setup) | ||||
| 107 | __setup_end = .; | ||||
| 108 | } | ||||
| 109 | |||||
| 110 | .initcall.init : { | ||||
| 111 | __initcall_start = .; | ||||
| Andrew Morton | 61ce1ef | 2006-10-27 11:41:44 -0700 | [diff] [blame] | 112 | INITCALLS |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 113 | __initcall_end = .; |
| 114 | } | ||||
| 115 | |||||
| 116 | .con_initcall.init : { | ||||
| 117 | __con_initcall_start = .; | ||||
| 118 | *(.con_initcall.init) | ||||
| 119 | __con_initcall_end = .; | ||||
| 120 | } | ||||
| 121 | |||||
| 122 | SECURITY_INIT | ||||
| 123 | |||||
| 124 | . = ALIGN(8); | ||||
| Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 125 | __ftr_fixup : { |
| 126 | __start___ftr_fixup = .; | ||||
| 127 | *(__ftr_fixup) | ||||
| 128 | __stop___ftr_fixup = .; | ||||
| 129 | } | ||||
| Stephen Rothwell | 3f639ee | 2006-09-25 18:19:00 +1000 | [diff] [blame] | 130 | #ifdef CONFIG_PPC64 |
| 131 | . = ALIGN(8); | ||||
| 132 | __fw_ftr_fixup : { | ||||
| 133 | __start___fw_ftr_fixup = .; | ||||
| 134 | *(__fw_ftr_fixup) | ||||
| 135 | __stop___fw_ftr_fixup = .; | ||||
| 136 | } | ||||
| 137 | #endif | ||||
| Jean-Paul Saman | 67d3822 | 2007-02-10 01:44:44 -0800 | [diff] [blame] | 138 | #ifdef CONFIG_BLK_DEV_INITRD |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 139 | . = ALIGN(PAGE_SIZE); |
| 140 | .init.ramfs : { | ||||
| 141 | __initramfs_start = .; | ||||
| 142 | *(.init.ramfs) | ||||
| 143 | __initramfs_end = .; | ||||
| 144 | } | ||||
| Jean-Paul Saman | 67d3822 | 2007-02-10 01:44:44 -0800 | [diff] [blame] | 145 | #endif |
| Jeremy Fitzhardinge | b6e3590 | 2007-05-02 19:27:12 +0200 | [diff] [blame] | 146 | . = ALIGN(PAGE_SIZE); |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 147 | .data.percpu : { |
| 148 | __per_cpu_start = .; | ||||
| 149 | *(.data.percpu) | ||||
| Fenghua Yu | 5fb7dc3 | 2007-07-19 01:48:12 -0700 | [diff] [blame] | 150 | *(.data.percpu.shared_aligned) |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 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 | { | ||||
| Sam Ravnborg | ca96725 | 2007-05-17 13:38:44 +0200 | [diff] [blame] | 175 | DATA_DATA |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 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 : { |
| Mathieu Desnoyers | 3ae0aa9 | 2007-06-16 22:29:04 -0400 | [diff] [blame] | 181 | DATA_DATA |
| 182 | *(.data.rel*) | ||||
| 183 | *(.toc1) | ||||
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 184 | *(.branch_lt) |
| 185 | } | ||||
| Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 186 | |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 187 | .opd : { |
| 188 | *(.opd) | ||||
| 189 | } | ||||
| Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 190 | |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 191 | .got : { |
| 192 | __toc_start = .; | ||||
| 193 | *(.got) | ||||
| 194 | *(.toc) | ||||
| 195 | } | ||||
| Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 196 | #endif |
| Paul Mackerras | 4a28856 | 2005-10-10 22:38:46 +1000 | [diff] [blame] | 197 | |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 198 | . = ALIGN(PAGE_SIZE); |
| 199 | _edata = .; | ||||
| 200 | PROVIDE32 (edata = .); | ||||
| Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 201 | |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 202 | /* The initial task and kernel stack */ |
| Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 203 | #ifdef CONFIG_PPC32 |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 204 | . = ALIGN(8192); |
| 205 | #else | ||||
| 206 | . = ALIGN(16384); | ||||
| Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 207 | #endif |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 208 | .data.init_task : { |
| 209 | *(.data.init_task) | ||||
| 210 | } | ||||
| 211 | |||||
| 212 | . = ALIGN(PAGE_SIZE); | ||||
| 213 | .data.page_aligned : { | ||||
| 214 | *(.data.page_aligned) | ||||
| 215 | } | ||||
| 216 | |||||
| 217 | .data.cacheline_aligned : { | ||||
| 218 | *(.data.cacheline_aligned) | ||||
| 219 | } | ||||
| 220 | |||||
| Tony Breeds | bd67fcf | 2007-07-04 14:04:31 +1000 | [diff] [blame] | 221 | . = ALIGN(L1_CACHE_BYTES); |
| 222 | .data.read_mostly : { | ||||
| 223 | *(.data.read_mostly) | ||||
| 224 | } | ||||
| 225 | |||||
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 226 | . = ALIGN(PAGE_SIZE); |
| 227 | __data_nosave : { | ||||
| 228 | __nosave_begin = .; | ||||
| 229 | *(.data.nosave) | ||||
| 230 | . = ALIGN(PAGE_SIZE); | ||||
| 231 | __nosave_end = .; | ||||
| 232 | } | ||||
| 233 | |||||
| 234 | /* | ||||
| 235 | * And finally the bss | ||||
| 236 | */ | ||||
| 237 | |||||
| 238 | .bss : { | ||||
| 239 | __bss_start = .; | ||||
| 240 | *(.sbss) *(.scommon) | ||||
| 241 | *(.dynbss) | ||||
| 242 | *(.bss) | ||||
| 243 | *(COMMON) | ||||
| 244 | __bss_stop = .; | ||||
| 245 | } | ||||
| 246 | |||||
| 247 | . = ALIGN(PAGE_SIZE); | ||||
| 248 | _end = . ; | ||||
| 249 | PROVIDE32 (end = .); | ||||
| Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 250 | } |