| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | |
| 3 | #ifdef CONFIG_HOTPLUG_CPU |
| 4 | #define ARM_CPU_DISCARD(x) |
| 5 | #define ARM_CPU_KEEP(x) x |
| 6 | #else |
| 7 | #define ARM_CPU_DISCARD(x) x |
| 8 | #define ARM_CPU_KEEP(x) |
| 9 | #endif |
| 10 | |
| 11 | #if (defined(CONFIG_SMP_ON_UP) && !defined(CONFIG_DEBUG_SPINLOCK)) || \ |
| 12 | defined(CONFIG_GENERIC_BUG) || defined(CONFIG_JUMP_LABEL) |
| 13 | #define ARM_EXIT_KEEP(x) x |
| 14 | #define ARM_EXIT_DISCARD(x) |
| 15 | #else |
| 16 | #define ARM_EXIT_KEEP(x) |
| 17 | #define ARM_EXIT_DISCARD(x) x |
| 18 | #endif |
| 19 | |
| 20 | #ifdef CONFIG_MMU |
| 21 | #define ARM_MMU_KEEP(x) x |
| 22 | #define ARM_MMU_DISCARD(x) |
| 23 | #else |
| 24 | #define ARM_MMU_KEEP(x) |
| 25 | #define ARM_MMU_DISCARD(x) x |
| 26 | #endif |
| 27 | |
| 28 | #define PROC_INFO \ |
| 29 | . = ALIGN(4); \ |
| 30 | __proc_info_begin = .; \ |
| 31 | *(.proc.info.init) \ |
| 32 | __proc_info_end = .; |
| 33 | |
| 34 | #define HYPERVISOR_TEXT \ |
| 35 | __hyp_text_start = .; \ |
| 36 | *(.hyp.text) \ |
| 37 | __hyp_text_end = .; |
| 38 | |
| 39 | #define IDMAP_TEXT \ |
| 40 | ALIGN_FUNCTION(); \ |
| 41 | __idmap_text_start = .; \ |
| 42 | *(.idmap.text) \ |
| 43 | __idmap_text_end = .; \ |
| 44 | . = ALIGN(PAGE_SIZE); \ |
| 45 | __hyp_idmap_text_start = .; \ |
| 46 | *(.hyp.idmap.text) \ |
| 47 | __hyp_idmap_text_end = .; |
| 48 | |
| 49 | #define ARM_DISCARD \ |
| 50 | *(.ARM.exidx.exit.text) \ |
| 51 | *(.ARM.extab.exit.text) \ |
| 52 | *(.ARM.exidx.text.exit) \ |
| 53 | *(.ARM.extab.text.exit) \ |
| 54 | ARM_CPU_DISCARD(*(.ARM.exidx.cpuexit.text)) \ |
| 55 | ARM_CPU_DISCARD(*(.ARM.extab.cpuexit.text)) \ |
| 56 | ARM_EXIT_DISCARD(EXIT_TEXT) \ |
| 57 | ARM_EXIT_DISCARD(EXIT_DATA) \ |
| 58 | EXIT_CALL \ |
| 59 | ARM_MMU_DISCARD(*(.text.fixup)) \ |
| 60 | ARM_MMU_DISCARD(*(__ex_table)) \ |
| 61 | *(.discard) \ |
| 62 | *(.discard.*) |
| 63 | |
| 64 | #define ARM_TEXT \ |
| 65 | IDMAP_TEXT \ |
| 66 | __entry_text_start = .; \ |
| 67 | *(.entry.text) \ |
| 68 | __entry_text_end = .; \ |
| 69 | IRQENTRY_TEXT \ |
| 70 | SOFTIRQENTRY_TEXT \ |
| 71 | TEXT_TEXT \ |
| 72 | SCHED_TEXT \ |
| 73 | CPUIDLE_TEXT \ |
| 74 | LOCK_TEXT \ |
| 75 | HYPERVISOR_TEXT \ |
| 76 | KPROBES_TEXT \ |
| 77 | *(.gnu.warning) \ |
| 78 | *(.glue_7) \ |
| 79 | *(.glue_7t) \ |
| 80 | . = ALIGN(4); \ |
| 81 | *(.got) /* Global offset table */ \ |
| 82 | ARM_CPU_KEEP(PROC_INFO) |
| 83 | |
| 84 | /* Stack unwinding tables */ |
| 85 | #define ARM_UNWIND_SECTIONS \ |
| 86 | . = ALIGN(8); \ |
| 87 | .ARM.unwind_idx : { \ |
| 88 | __start_unwind_idx = .; \ |
| 89 | *(.ARM.exidx*) \ |
| 90 | __stop_unwind_idx = .; \ |
| 91 | } \ |
| 92 | .ARM.unwind_tab : { \ |
| 93 | __start_unwind_tab = .; \ |
| 94 | *(.ARM.extab*) \ |
| 95 | __stop_unwind_tab = .; \ |
| 96 | } |
| 97 | |
| 98 | /* |
| 99 | * The vectors and stubs are relocatable code, and the |
| 100 | * only thing that matters is their relative offsets |
| 101 | */ |
| 102 | #define ARM_VECTORS \ |
| 103 | __vectors_start = .; \ |
| 104 | .vectors 0xffff0000 : AT(__vectors_start) { \ |
| 105 | *(.vectors) \ |
| 106 | } \ |
| 107 | . = __vectors_start + SIZEOF(.vectors); \ |
| 108 | __vectors_end = .; \ |
| 109 | \ |
| 110 | __stubs_start = .; \ |
| 111 | .stubs ADDR(.vectors) + 0x1000 : AT(__stubs_start) { \ |
| 112 | *(.stubs) \ |
| 113 | } \ |
| 114 | . = __stubs_start + SIZEOF(.stubs); \ |
| 115 | __stubs_end = .; \ |
| 116 | \ |
| 117 | PROVIDE(vector_fiq_offset = vector_fiq - ADDR(.vectors)); |
| 118 | |
| 119 | #define ARM_TCM \ |
| 120 | __itcm_start = ALIGN(4); \ |
| 121 | .text_itcm ITCM_OFFSET : AT(__itcm_start - LOAD_OFFSET) { \ |
| 122 | __sitcm_text = .; \ |
| 123 | *(.tcm.text) \ |
| 124 | *(.tcm.rodata) \ |
| 125 | . = ALIGN(4); \ |
| 126 | __eitcm_text = .; \ |
| 127 | } \ |
| 128 | . = __itcm_start + SIZEOF(.text_itcm); \ |
| 129 | \ |
| 130 | __dtcm_start = .; \ |
| 131 | .data_dtcm DTCM_OFFSET : AT(__dtcm_start - LOAD_OFFSET) { \ |
| 132 | __sdtcm_data = .; \ |
| 133 | *(.tcm.data) \ |
| 134 | . = ALIGN(4); \ |
| 135 | __edtcm_data = .; \ |
| 136 | } \ |
| 137 | . = __dtcm_start + SIZEOF(.data_dtcm); |