| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * linux/include/asm-arm/proc-fns.h |
| 3 | * |
| 4 | * Copyright (C) 1997-1999 Russell King |
| 5 | * Copyright (C) 2000 Deep Blue Solutions Ltd |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License version 2 as |
| 9 | * published by the Free Software Foundation. |
| 10 | */ |
| 11 | #ifndef __ASM_PROCFNS_H |
| 12 | #define __ASM_PROCFNS_H |
| 13 | |
| 14 | #ifdef __KERNEL__ |
| 15 | |
| 16 | #include <linux/config.h> |
| 17 | |
| 18 | /* |
| 19 | * Work out if we need multiple CPU support |
| 20 | */ |
| 21 | #undef MULTI_CPU |
| 22 | #undef CPU_NAME |
| 23 | |
| 24 | /* |
| 25 | * CPU_NAME - the prefix for CPU related functions |
| 26 | */ |
| 27 | |
| 28 | #ifdef CONFIG_CPU_32 |
| 29 | # ifdef CONFIG_CPU_ARM610 |
| 30 | # ifdef CPU_NAME |
| 31 | # undef MULTI_CPU |
| 32 | # define MULTI_CPU |
| 33 | # else |
| 34 | # define CPU_NAME cpu_arm6 |
| 35 | # endif |
| 36 | # endif |
| 37 | # ifdef CONFIG_CPU_ARM710 |
| 38 | # ifdef CPU_NAME |
| 39 | # undef MULTI_CPU |
| 40 | # define MULTI_CPU |
| 41 | # else |
| 42 | # define CPU_NAME cpu_arm7 |
| 43 | # endif |
| 44 | # endif |
| 45 | # ifdef CONFIG_CPU_ARM720T |
| 46 | # ifdef CPU_NAME |
| 47 | # undef MULTI_CPU |
| 48 | # define MULTI_CPU |
| 49 | # else |
| 50 | # define CPU_NAME cpu_arm720 |
| 51 | # endif |
| 52 | # endif |
| 53 | # ifdef CONFIG_CPU_ARM920T |
| 54 | # ifdef CPU_NAME |
| 55 | # undef MULTI_CPU |
| 56 | # define MULTI_CPU |
| 57 | # else |
| 58 | # define CPU_NAME cpu_arm920 |
| 59 | # endif |
| 60 | # endif |
| 61 | # ifdef CONFIG_CPU_ARM922T |
| 62 | # ifdef CPU_NAME |
| 63 | # undef MULTI_CPU |
| 64 | # define MULTI_CPU |
| 65 | # else |
| 66 | # define CPU_NAME cpu_arm922 |
| 67 | # endif |
| 68 | # endif |
| 69 | # ifdef CONFIG_CPU_ARM925T |
| 70 | # ifdef CPU_NAME |
| 71 | # undef MULTI_CPU |
| 72 | # define MULTI_CPU |
| 73 | # else |
| 74 | # define CPU_NAME cpu_arm925 |
| 75 | # endif |
| 76 | # endif |
| 77 | # ifdef CONFIG_CPU_ARM926T |
| 78 | # ifdef CPU_NAME |
| 79 | # undef MULTI_CPU |
| 80 | # define MULTI_CPU |
| 81 | # else |
| 82 | # define CPU_NAME cpu_arm926 |
| 83 | # endif |
| 84 | # endif |
| 85 | # ifdef CONFIG_CPU_SA110 |
| 86 | # ifdef CPU_NAME |
| 87 | # undef MULTI_CPU |
| 88 | # define MULTI_CPU |
| 89 | # else |
| 90 | # define CPU_NAME cpu_sa110 |
| 91 | # endif |
| 92 | # endif |
| 93 | # ifdef CONFIG_CPU_SA1100 |
| 94 | # ifdef CPU_NAME |
| 95 | # undef MULTI_CPU |
| 96 | # define MULTI_CPU |
| 97 | # else |
| 98 | # define CPU_NAME cpu_sa1100 |
| 99 | # endif |
| 100 | # endif |
| 101 | # ifdef CONFIG_CPU_ARM1020 |
| 102 | # ifdef CPU_NAME |
| 103 | # undef MULTI_CPU |
| 104 | # define MULTI_CPU |
| 105 | # else |
| 106 | # define CPU_NAME cpu_arm1020 |
| 107 | # endif |
| 108 | # endif |
| 109 | # ifdef CONFIG_CPU_ARM1020E |
| 110 | # ifdef CPU_NAME |
| 111 | # undef MULTI_CPU |
| 112 | # define MULTI_CPU |
| 113 | # else |
| 114 | # define CPU_NAME cpu_arm1020e |
| 115 | # endif |
| 116 | # endif |
| 117 | # ifdef CONFIG_CPU_ARM1022 |
| 118 | # ifdef CPU_NAME |
| 119 | # undef MULTI_CPU |
| 120 | # define MULTI_CPU |
| 121 | # else |
| 122 | # define CPU_NAME cpu_arm1022 |
| 123 | # endif |
| 124 | # endif |
| 125 | # ifdef CONFIG_CPU_ARM1026 |
| 126 | # ifdef CPU_NAME |
| 127 | # undef MULTI_CPU |
| 128 | # define MULTI_CPU |
| 129 | # else |
| 130 | # define CPU_NAME cpu_arm1026 |
| 131 | # endif |
| 132 | # endif |
| 133 | # ifdef CONFIG_CPU_XSCALE |
| 134 | # ifdef CPU_NAME |
| 135 | # undef MULTI_CPU |
| 136 | # define MULTI_CPU |
| 137 | # else |
| 138 | # define CPU_NAME cpu_xscale |
| 139 | # endif |
| 140 | # endif |
| 141 | # ifdef CONFIG_CPU_V6 |
| 142 | # ifdef CPU_NAME |
| 143 | # undef MULTI_CPU |
| 144 | # define MULTI_CPU |
| 145 | # else |
| 146 | # define CPU_NAME cpu_v6 |
| 147 | # endif |
| 148 | # endif |
| 149 | #endif |
| 150 | |
| 151 | #ifndef __ASSEMBLY__ |
| 152 | |
| 153 | #ifndef MULTI_CPU |
| 154 | #include "asm/cpu-single.h" |
| 155 | #else |
| 156 | #include "asm/cpu-multi32.h" |
| 157 | #endif |
| 158 | |
| 159 | #include <asm/memory.h> |
| 160 | |
| 161 | #define cpu_switch_mm(pgd,mm) cpu_do_switch_mm(virt_to_phys(pgd),mm) |
| 162 | |
| 163 | #define cpu_get_pgd() \ |
| 164 | ({ \ |
| 165 | unsigned long pg; \ |
| 166 | __asm__("mrc p15, 0, %0, c2, c0, 0" \ |
| 167 | : "=r" (pg) : : "cc"); \ |
| 168 | pg &= ~0x3fff; \ |
| 169 | (pgd_t *)phys_to_virt(pg); \ |
| 170 | }) |
| 171 | |
| 172 | #endif /* __ASSEMBLY__ */ |
| 173 | #endif /* __KERNEL__ */ |
| 174 | #endif /* __ASM_PROCFNS_H */ |