| Paul Mackerras | c51e3a4 | 2005-11-05 10:36:59 +1100 | [diff] [blame] | 1 | #ifdef CONFIG_PPC64 |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 2 | #define PROVIDE32(x) PROVIDE(__unused__##x) |
| Paul Mackerras | c51e3a4 | 2005-11-05 10:36:59 +1100 | [diff] [blame] | 3 | #else |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 4 | #define PROVIDE32(x) PROVIDE(x) |
| Paul Mackerras | c51e3a4 | 2005-11-05 10:36:59 +1100 | [diff] [blame] | 5 | #endif |
| Kumar Gala | 4846c5d | 2008-04-16 05:52:26 +1000 | [diff] [blame] | 6 | #include <asm/page.h> |
| Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 7 | #include <asm-generic/vmlinux.lds.h> |
| Tony Breeds | bd67fcf | 2007-07-04 14:04:31 +1000 | [diff] [blame] | 8 | #include <asm/cache.h> |
| Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 9 | |
| Michael Ellerman | e19e4ab | 2005-11-03 16:03:06 +1100 | [diff] [blame] | 10 | ENTRY(_stext) |
| 11 | |||||
| Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 12 | #ifdef CONFIG_PPC64 |
| 13 | OUTPUT_ARCH(powerpc:common64) | ||||
| 14 | jiffies = jiffies_64; | ||||
| 15 | #else | ||||
| Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 16 | OUTPUT_ARCH(powerpc:common) |
| 17 | jiffies = jiffies_64 + 4; | ||||
| Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 18 | #endif |
| Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 19 | SECTIONS |
| 20 | { | ||||
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 21 | /* Sections to be discarded. */ |
| 22 | /DISCARD/ : { | ||||
| 23 | *(.exitcall.exit) | ||||
| Sam Ravnborg | 01ba2bd | 2008-01-20 14:15:03 +0100 | [diff] [blame] | 24 | EXIT_DATA |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 25 | } |
| Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 26 | |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 27 | . = KERNELBASE; |
| 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 | /* |
| 30 | * Text, read only data and other permanent read-only sections | ||||
| 31 | */ | ||||
| 32 | |||||
| 33 | /* Text and gots */ | ||||
| Kumar Gala | 366234f | 2008-04-16 05:52:28 +1000 | [diff] [blame] | 34 | .text : AT(ADDR(.text) - LOAD_OFFSET) { |
| Kumar Gala | 748a768 | 2007-09-13 15:42:35 -0500 | [diff] [blame] | 35 | ALIGN_FUNCTION(); |
| 36 | *(.text.head) | ||||
| Eric W. Biederman | fd593d1 | 2006-12-07 02:14:04 +0100 | [diff] [blame] | 37 | _text = .; |
| Stephen Rothwell | e95c918 | 2007-11-04 13:28:39 +1100 | [diff] [blame] | 38 | *(.text .fixup .text.init.refok .exit.text.refok) |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 39 | SCHED_TEXT |
| 40 | LOCK_TEXT | ||||
| 41 | KPROBES_TEXT | ||||
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 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 */ |
| Kumar Gala | 366234f | 2008-04-16 05:52:28 +1000 | [diff] [blame] | 59 | __ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) { |
| Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 60 | __start___ex_table = .; |
| 61 | *(__ex_table) | ||||
| 62 | __stop___ex_table = .; | ||||
| 63 | } | ||||
| 64 | |||||
| Roland McGrath | 8fb775e | 2007-07-19 01:48:38 -0700 | [diff] [blame] | 65 | NOTES |
| 66 | |||||
| Jeremy Fitzhardinge | 73c9cea | 2006-12-08 03:30:41 -0800 | [diff] [blame] | 67 | BUG_TABLE |
| Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 68 | |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 69 | /* |
| 70 | * Init sections discarded at runtime | ||||
| 71 | */ | ||||
| 72 | . = ALIGN(PAGE_SIZE); | ||||
| 73 | __init_begin = .; | ||||
| 74 | |||||
| Kumar Gala | 366234f | 2008-04-16 05:52:28 +1000 | [diff] [blame] | 75 | .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) { |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 76 | _sinittext = .; |
| Sam Ravnborg | 01ba2bd | 2008-01-20 14:15:03 +0100 | [diff] [blame] | 77 | INIT_TEXT |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 78 | _einittext = .; |
| 79 | } | ||||
| 80 | |||||
| 81 | /* .exit.text is discarded at runtime, not link time, | ||||
| 82 | * to deal with references from __bug_table | ||||
| 83 | */ | ||||
| Kumar Gala | 366234f | 2008-04-16 05:52:28 +1000 | [diff] [blame] | 84 | .exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) { |
| Sam Ravnborg | 01ba2bd | 2008-01-20 14:15:03 +0100 | [diff] [blame] | 85 | EXIT_TEXT |
| 86 | } | ||||
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 87 | |
| Kumar Gala | 366234f | 2008-04-16 05:52:28 +1000 | [diff] [blame] | 88 | .init.data : AT(ADDR(.init.data) - LOAD_OFFSET) { |
| Sam Ravnborg | 01ba2bd | 2008-01-20 14:15:03 +0100 | [diff] [blame] | 89 | INIT_DATA |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 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); | ||||
| Kumar Gala | 366234f | 2008-04-16 05:52:28 +1000 | [diff] [blame] | 104 | .init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET) { |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 105 | __setup_start = .; |
| 106 | *(.init.setup) | ||||
| 107 | __setup_end = .; | ||||
| 108 | } | ||||
| 109 | |||||
| Kumar Gala | 366234f | 2008-04-16 05:52:28 +1000 | [diff] [blame] | 110 | .initcall.init : AT(ADDR(.initcall.init) - LOAD_OFFSET) { |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 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 | |||||
| Kumar Gala | 366234f | 2008-04-16 05:52:28 +1000 | [diff] [blame] | 116 | .con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET) { |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 117 | __con_initcall_start = .; |
| 118 | *(.con_initcall.init) | ||||
| 119 | __con_initcall_end = .; | ||||
| 120 | } | ||||
| 121 | |||||
| 122 | SECURITY_INIT | ||||
| 123 | |||||
| 124 | . = ALIGN(8); | ||||
| Kumar Gala | 366234f | 2008-04-16 05:52:28 +1000 | [diff] [blame] | 125 | __ftr_fixup : AT(ADDR(__ftr_fixup) - LOAD_OFFSET) { |
| Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 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); | ||||
| Kumar Gala | 366234f | 2008-04-16 05:52:28 +1000 | [diff] [blame] | 132 | __fw_ftr_fixup : AT(ADDR(__fw_ftr_fixup) - LOAD_OFFSET) { |
| Stephen Rothwell | 3f639ee | 2006-09-25 18:19:00 +1000 | [diff] [blame] | 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); |
| Kumar Gala | 366234f | 2008-04-16 05:52:28 +1000 | [diff] [blame] | 140 | .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) { |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 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); |
| Kumar Gala | 366234f | 2008-04-16 05:52:28 +1000 | [diff] [blame] | 147 | .data.percpu : AT(ADDR(.data.percpu) - LOAD_OFFSET) { |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 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); | ||||
| Kumar Gala | 366234f | 2008-04-16 05:52:28 +1000 | [diff] [blame] | 155 | .machine.desc : AT(ADDR(.machine.desc) - LOAD_OFFSET) { |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 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 |
| Kumar Gala | 366234f | 2008-04-16 05:52:28 +1000 | [diff] [blame] | 173 | .data : AT(ADDR(.data) - LOAD_OFFSET) { |
| Sam Ravnborg | ca96725 | 2007-05-17 13:38:44 +0200 | [diff] [blame] | 174 | DATA_DATA |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 175 | *(.sdata) |
| 176 | *(.got.plt) *(.got) | ||||
| 177 | } | ||||
| Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 178 | #else |
| Kumar Gala | 366234f | 2008-04-16 05:52:28 +1000 | [diff] [blame] | 179 | .data : AT(ADDR(.data) - LOAD_OFFSET) { |
| Mathieu Desnoyers | 3ae0aa9 | 2007-06-16 22:29:04 -0400 | [diff] [blame] | 180 | DATA_DATA |
| 181 | *(.data.rel*) | ||||
| 182 | *(.toc1) | ||||
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 183 | *(.branch_lt) |
| 184 | } | ||||
| Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 185 | |
| Kumar Gala | 366234f | 2008-04-16 05:52:28 +1000 | [diff] [blame] | 186 | .opd : AT(ADDR(.opd) - LOAD_OFFSET) { |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 187 | *(.opd) |
| 188 | } | ||||
| Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 189 | |
| Kumar Gala | 366234f | 2008-04-16 05:52:28 +1000 | [diff] [blame] | 190 | .got : AT(ADDR(.got) - LOAD_OFFSET) { |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 191 | __toc_start = .; |
| 192 | *(.got) | ||||
| 193 | *(.toc) | ||||
| 194 | } | ||||
| Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 195 | #endif |
| Paul Mackerras | 4a28856 | 2005-10-10 22:38:46 +1000 | [diff] [blame] | 196 | |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 197 | . = ALIGN(PAGE_SIZE); |
| 198 | _edata = .; | ||||
| 199 | PROVIDE32 (edata = .); | ||||
| Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 200 | |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 201 | /* The initial task and kernel stack */ |
| Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 202 | #ifdef CONFIG_PPC32 |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 203 | . = ALIGN(8192); |
| 204 | #else | ||||
| 205 | . = ALIGN(16384); | ||||
| Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 206 | #endif |
| Kumar Gala | 366234f | 2008-04-16 05:52:28 +1000 | [diff] [blame] | 207 | .data.init_task : AT(ADDR(.data.init_task) - LOAD_OFFSET) { |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 208 | *(.data.init_task) |
| 209 | } | ||||
| 210 | |||||
| 211 | . = ALIGN(PAGE_SIZE); | ||||
| Kumar Gala | 366234f | 2008-04-16 05:52:28 +1000 | [diff] [blame] | 212 | .data.page_aligned : AT(ADDR(.data.page_aligned) - LOAD_OFFSET) { |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 213 | *(.data.page_aligned) |
| 214 | } | ||||
| 215 | |||||
| Kumar Gala | 366234f | 2008-04-16 05:52:28 +1000 | [diff] [blame] | 216 | .data.cacheline_aligned : AT(ADDR(.data.cacheline_aligned) - LOAD_OFFSET) { |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 217 | *(.data.cacheline_aligned) |
| 218 | } | ||||
| 219 | |||||
| Tony Breeds | bd67fcf | 2007-07-04 14:04:31 +1000 | [diff] [blame] | 220 | . = ALIGN(L1_CACHE_BYTES); |
| Kumar Gala | 366234f | 2008-04-16 05:52:28 +1000 | [diff] [blame] | 221 | .data.read_mostly : AT(ADDR(.data.read_mostly) - LOAD_OFFSET) { |
| Tony Breeds | bd67fcf | 2007-07-04 14:04:31 +1000 | [diff] [blame] | 222 | *(.data.read_mostly) |
| 223 | } | ||||
| 224 | |||||
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 225 | . = ALIGN(PAGE_SIZE); |
| Kumar Gala | 366234f | 2008-04-16 05:52:28 +1000 | [diff] [blame] | 226 | .data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) { |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 227 | __nosave_begin = .; |
| 228 | *(.data.nosave) | ||||
| 229 | . = ALIGN(PAGE_SIZE); | ||||
| 230 | __nosave_end = .; | ||||
| 231 | } | ||||
| 232 | |||||
| 233 | /* | ||||
| 234 | * And finally the bss | ||||
| 235 | */ | ||||
| 236 | |||||
| Kumar Gala | 366234f | 2008-04-16 05:52:28 +1000 | [diff] [blame] | 237 | .bss : AT(ADDR(.bss) - LOAD_OFFSET) { |
| Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 238 | __bss_start = .; |
| 239 | *(.sbss) *(.scommon) | ||||
| 240 | *(.dynbss) | ||||
| 241 | *(.bss) | ||||
| 242 | *(COMMON) | ||||
| 243 | __bss_stop = .; | ||||
| 244 | } | ||||
| 245 | |||||
| 246 | . = ALIGN(PAGE_SIZE); | ||||
| 247 | _end = . ; | ||||
| 248 | PROVIDE32 (end = .); | ||||
| Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 249 | } |