Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * This file is subject to the terms and conditions of the GNU General Public |
| 3 | * License. See the file "COPYING" in the main directory of this archive |
| 4 | * for more details. |
| 5 | * |
| 6 | * Copyright (C) 2003, 2004 Ralf Baechle |
Ralf Baechle | 4194318 | 2005-05-05 16:45:59 +0000 | [diff] [blame] | 7 | * Copyright (C) 2004 Maciej W. Rozycki |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8 | */ |
| 9 | #ifndef __ASM_CPU_FEATURES_H |
| 10 | #define __ASM_CPU_FEATURES_H |
| 11 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 12 | #include <asm/cpu.h> |
| 13 | #include <asm/cpu-info.h> |
| 14 | #include <cpu-feature-overrides.h> |
| 15 | |
| 16 | /* |
| 17 | * SMP assumption: Options of CPU 0 are a superset of all processors. |
| 18 | * This is true for all known MIPS systems. |
| 19 | */ |
| 20 | #ifndef cpu_has_tlb |
| 21 | #define cpu_has_tlb (cpu_data[0].options & MIPS_CPU_TLB) |
| 22 | #endif |
James Hogan | 2f6f313 | 2015-09-17 17:49:20 +0100 | [diff] [blame] | 23 | #ifndef cpu_has_ftlb |
| 24 | #define cpu_has_ftlb (cpu_data[0].options & MIPS_CPU_FTLB) |
| 25 | #endif |
Leonid Yegoshin | 1745c1e | 2013-11-14 16:12:23 +0000 | [diff] [blame] | 26 | #ifndef cpu_has_tlbinv |
| 27 | #define cpu_has_tlbinv (cpu_data[0].options & MIPS_CPU_TLBINV) |
| 28 | #endif |
Steven J. Hill | 4a0156f | 2013-11-14 16:12:24 +0000 | [diff] [blame] | 29 | #ifndef cpu_has_segments |
| 30 | #define cpu_has_segments (cpu_data[0].options & MIPS_CPU_SEGMENTS) |
| 31 | #endif |
Markos Chandras | 7ae6696 | 2014-01-09 16:01:29 +0000 | [diff] [blame] | 32 | #ifndef cpu_has_eva |
| 33 | #define cpu_has_eva (cpu_data[0].options & MIPS_CPU_EVA) |
| 34 | #endif |
Markos Chandras | e647e6b | 2014-07-14 12:43:28 +0100 | [diff] [blame] | 35 | #ifndef cpu_has_htw |
| 36 | #define cpu_has_htw (cpu_data[0].options & MIPS_CPU_HTW) |
| 37 | #endif |
Huacai Chen | 380cd58 | 2016-03-03 09:45:12 +0800 | [diff] [blame] | 38 | #ifndef cpu_has_ldpte |
| 39 | #define cpu_has_ldpte (cpu_data[0].options & MIPS_CPU_LDPTE) |
| 40 | #endif |
Leonid Yegoshin | 6ee729a | 2014-07-15 14:09:55 +0100 | [diff] [blame] | 41 | #ifndef cpu_has_rixiex |
| 42 | #define cpu_has_rixiex (cpu_data[0].options & MIPS_CPU_RIXIEX) |
| 43 | #endif |
Paul Burton | 1f6c52f | 2014-07-14 10:32:14 +0100 | [diff] [blame] | 44 | #ifndef cpu_has_maar |
| 45 | #define cpu_has_maar (cpu_data[0].options & MIPS_CPU_MAAR) |
| 46 | #endif |
Markos Chandras | 5aed9da | 2014-12-02 09:46:19 +0000 | [diff] [blame] | 47 | #ifndef cpu_has_rw_llb |
| 48 | #define cpu_has_rw_llb (cpu_data[0].options & MIPS_CPU_RW_LLB) |
| 49 | #endif |
Ralf Baechle | 1990e54 | 2013-06-26 17:06:34 +0200 | [diff] [blame] | 50 | |
| 51 | /* |
| 52 | * For the moment we don't consider R6000 and R8000 so we can assume that |
| 53 | * anything that doesn't support R4000-style exceptions and interrupts is |
| 54 | * R3000-like. Users should still treat these two macro definitions as |
| 55 | * opaque. |
| 56 | */ |
| 57 | #ifndef cpu_has_3kex |
| 58 | #define cpu_has_3kex (!cpu_has_4kex) |
| 59 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 60 | #ifndef cpu_has_4kex |
| 61 | #define cpu_has_4kex (cpu_data[0].options & MIPS_CPU_4KEX) |
| 62 | #endif |
Ralf Baechle | 02cf211 | 2005-10-01 13:06:32 +0100 | [diff] [blame] | 63 | #ifndef cpu_has_3k_cache |
| 64 | #define cpu_has_3k_cache (cpu_data[0].options & MIPS_CPU_3K_CACHE) |
| 65 | #endif |
| 66 | #define cpu_has_6k_cache 0 |
| 67 | #define cpu_has_8k_cache 0 |
| 68 | #ifndef cpu_has_4k_cache |
| 69 | #define cpu_has_4k_cache (cpu_data[0].options & MIPS_CPU_4K_CACHE) |
| 70 | #endif |
| 71 | #ifndef cpu_has_tx39_cache |
| 72 | #define cpu_has_tx39_cache (cpu_data[0].options & MIPS_CPU_TX39_CACHE) |
| 73 | #endif |
David Daney | 47d979e | 2008-12-11 15:33:27 -0800 | [diff] [blame] | 74 | #ifndef cpu_has_octeon_cache |
| 75 | #define cpu_has_octeon_cache 0 |
| 76 | #endif |
Maciej W. Rozycki | 18a2c2c | 2015-04-03 23:26:04 +0100 | [diff] [blame] | 77 | /* Don't override `cpu_has_fpu' to 1 or the "nofpu" option won't work. */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 78 | #ifndef cpu_has_fpu |
Ralf Baechle | f088fc8 | 2006-04-05 09:45:47 +0100 | [diff] [blame] | 79 | #define cpu_has_fpu (current_cpu_data.options & MIPS_CPU_FPU) |
Atsushi Nemoto | 53dc802 | 2007-03-10 01:07:45 +0900 | [diff] [blame] | 80 | #define raw_cpu_has_fpu (raw_current_cpu_data.options & MIPS_CPU_FPU) |
| 81 | #else |
| 82 | #define raw_cpu_has_fpu cpu_has_fpu |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 83 | #endif |
| 84 | #ifndef cpu_has_32fpr |
| 85 | #define cpu_has_32fpr (cpu_data[0].options & MIPS_CPU_32FPR) |
| 86 | #endif |
| 87 | #ifndef cpu_has_counter |
| 88 | #define cpu_has_counter (cpu_data[0].options & MIPS_CPU_COUNTER) |
| 89 | #endif |
| 90 | #ifndef cpu_has_watch |
| 91 | #define cpu_has_watch (cpu_data[0].options & MIPS_CPU_WATCH) |
| 92 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 93 | #ifndef cpu_has_divec |
| 94 | #define cpu_has_divec (cpu_data[0].options & MIPS_CPU_DIVEC) |
| 95 | #endif |
| 96 | #ifndef cpu_has_vce |
| 97 | #define cpu_has_vce (cpu_data[0].options & MIPS_CPU_VCE) |
| 98 | #endif |
| 99 | #ifndef cpu_has_cache_cdex_p |
| 100 | #define cpu_has_cache_cdex_p (cpu_data[0].options & MIPS_CPU_CACHE_CDEX_P) |
| 101 | #endif |
| 102 | #ifndef cpu_has_cache_cdex_s |
| 103 | #define cpu_has_cache_cdex_s (cpu_data[0].options & MIPS_CPU_CACHE_CDEX_S) |
| 104 | #endif |
| 105 | #ifndef cpu_has_prefetch |
| 106 | #define cpu_has_prefetch (cpu_data[0].options & MIPS_CPU_PREFETCH) |
| 107 | #endif |
| 108 | #ifndef cpu_has_mcheck |
| 109 | #define cpu_has_mcheck (cpu_data[0].options & MIPS_CPU_MCHECK) |
| 110 | #endif |
| 111 | #ifndef cpu_has_ejtag |
| 112 | #define cpu_has_ejtag (cpu_data[0].options & MIPS_CPU_EJTAG) |
| 113 | #endif |
| 114 | #ifndef cpu_has_llsc |
| 115 | #define cpu_has_llsc (cpu_data[0].options & MIPS_CPU_LLSC) |
| 116 | #endif |
Joshua Kinard | 8d5ded1 | 2015-06-02 18:21:33 -0400 | [diff] [blame] | 117 | #ifndef cpu_has_bp_ghist |
| 118 | #define cpu_has_bp_ghist (cpu_data[0].options & MIPS_CPU_BP_GHIST) |
| 119 | #endif |
David Daney | b791d11 | 2009-07-13 11:15:19 -0700 | [diff] [blame] | 120 | #ifndef kernel_uses_llsc |
| 121 | #define kernel_uses_llsc cpu_has_llsc |
| 122 | #endif |
James Hogan | 6ad816e | 2016-05-11 15:50:30 +0100 | [diff] [blame] | 123 | #ifndef cpu_has_guestctl0ext |
| 124 | #define cpu_has_guestctl0ext (cpu_data[0].options & MIPS_CPU_GUESTCTL0EXT) |
| 125 | #endif |
| 126 | #ifndef cpu_has_guestctl1 |
| 127 | #define cpu_has_guestctl1 (cpu_data[0].options & MIPS_CPU_GUESTCTL1) |
| 128 | #endif |
| 129 | #ifndef cpu_has_guestctl2 |
| 130 | #define cpu_has_guestctl2 (cpu_data[0].options & MIPS_CPU_GUESTCTL2) |
| 131 | #endif |
| 132 | #ifndef cpu_has_guestid |
| 133 | #define cpu_has_guestid (cpu_data[0].options & MIPS_CPU_GUESTID) |
| 134 | #endif |
| 135 | #ifndef cpu_has_drg |
| 136 | #define cpu_has_drg (cpu_data[0].options & MIPS_CPU_DRG) |
| 137 | #endif |
Ralf Baechle | 4194318 | 2005-05-05 16:45:59 +0000 | [diff] [blame] | 138 | #ifndef cpu_has_mips16 |
| 139 | #define cpu_has_mips16 (cpu_data[0].ases & MIPS_ASE_MIPS16) |
| 140 | #endif |
| 141 | #ifndef cpu_has_mdmx |
Tony Wu | fc192e5 | 2013-06-21 10:10:46 +0000 | [diff] [blame] | 142 | #define cpu_has_mdmx (cpu_data[0].ases & MIPS_ASE_MDMX) |
Ralf Baechle | 4194318 | 2005-05-05 16:45:59 +0000 | [diff] [blame] | 143 | #endif |
| 144 | #ifndef cpu_has_mips3d |
Tony Wu | fc192e5 | 2013-06-21 10:10:46 +0000 | [diff] [blame] | 145 | #define cpu_has_mips3d (cpu_data[0].ases & MIPS_ASE_MIPS3D) |
Ralf Baechle | 4194318 | 2005-05-05 16:45:59 +0000 | [diff] [blame] | 146 | #endif |
| 147 | #ifndef cpu_has_smartmips |
Tony Wu | fc192e5 | 2013-06-21 10:10:46 +0000 | [diff] [blame] | 148 | #define cpu_has_smartmips (cpu_data[0].ases & MIPS_ASE_SMARTMIPS) |
Ralf Baechle | 4194318 | 2005-05-05 16:45:59 +0000 | [diff] [blame] | 149 | #endif |
David Daney | a68d09a | 2014-05-28 23:52:07 +0200 | [diff] [blame] | 150 | |
Steven J. Hill | b2ab4f0 | 2012-09-13 16:47:58 -0500 | [diff] [blame] | 151 | #ifndef cpu_has_rixi |
Paul Burton | 033549c | 2015-09-22 11:42:53 -0700 | [diff] [blame] | 152 | #define cpu_has_rixi (cpu_data[0].options & MIPS_CPU_RIXI) |
Steven J. Hill | b2ab4f0 | 2012-09-13 16:47:58 -0500 | [diff] [blame] | 153 | #endif |
David Daney | a68d09a | 2014-05-28 23:52:07 +0200 | [diff] [blame] | 154 | |
Steven J. Hill | f8fa481 | 2012-12-07 03:51:35 +0000 | [diff] [blame] | 155 | #ifndef cpu_has_mmips |
David Daney | 3ddc14a | 2013-05-24 20:54:10 +0000 | [diff] [blame] | 156 | # ifdef CONFIG_SYS_SUPPORTS_MICROMIPS |
| 157 | # define cpu_has_mmips (cpu_data[0].options & MIPS_CPU_MICROMIPS) |
| 158 | # else |
| 159 | # define cpu_has_mmips 0 |
| 160 | # endif |
Steven J. Hill | f8fa481 | 2012-12-07 03:51:35 +0000 | [diff] [blame] | 161 | #endif |
David Daney | a68d09a | 2014-05-28 23:52:07 +0200 | [diff] [blame] | 162 | |
James Hogan | 1282257 | 2016-04-19 09:24:59 +0100 | [diff] [blame] | 163 | #ifndef cpu_has_lpa |
| 164 | #define cpu_has_lpa (cpu_data[0].options & MIPS_CPU_LPA) |
| 165 | #endif |
| 166 | #ifndef cpu_has_mvh |
| 167 | #define cpu_has_mvh (cpu_data[0].options & MIPS_CPU_MVH) |
| 168 | #endif |
Steven J. Hill | c5b3678 | 2015-02-26 18:16:38 -0600 | [diff] [blame] | 169 | #ifndef cpu_has_xpa |
James Hogan | 1282257 | 2016-04-19 09:24:59 +0100 | [diff] [blame] | 170 | #define cpu_has_xpa (cpu_has_lpa && cpu_has_mvh) |
Steven J. Hill | c5b3678 | 2015-02-26 18:16:38 -0600 | [diff] [blame] | 171 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 172 | #ifndef cpu_has_vtag_icache |
| 173 | #define cpu_has_vtag_icache (cpu_data[0].icache.flags & MIPS_CACHE_VTAG) |
| 174 | #endif |
| 175 | #ifndef cpu_has_dc_aliases |
| 176 | #define cpu_has_dc_aliases (cpu_data[0].dcache.flags & MIPS_CACHE_ALIASES) |
| 177 | #endif |
| 178 | #ifndef cpu_has_ic_fills_f_dc |
| 179 | #define cpu_has_ic_fills_f_dc (cpu_data[0].icache.flags & MIPS_CACHE_IC_F_DC) |
| 180 | #endif |
Atsushi Nemoto | de62893 | 2006-03-13 18:23:03 +0900 | [diff] [blame] | 181 | #ifndef cpu_has_pindexed_dcache |
Tony Wu | fc192e5 | 2013-06-21 10:10:46 +0000 | [diff] [blame] | 182 | #define cpu_has_pindexed_dcache (cpu_data[0].dcache.flags & MIPS_CACHE_PINDEX) |
Atsushi Nemoto | de62893 | 2006-03-13 18:23:03 +0900 | [diff] [blame] | 183 | #endif |
Huacai Chen | 8759934 | 2013-03-17 11:49:38 +0000 | [diff] [blame] | 184 | #ifndef cpu_has_local_ebase |
| 185 | #define cpu_has_local_ebase 1 |
| 186 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 187 | |
| 188 | /* |
Ralf Baechle | 7034228 | 2013-01-22 12:59:30 +0100 | [diff] [blame] | 189 | * I-Cache snoops remote store. This only matters on SMP. Some multiprocessors |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 190 | * such as the R10000 have I-Caches that snoop local stores; the embedded ones |
| 191 | * don't. For maintaining I-cache coherency this means we need to flush the |
| 192 | * D-cache all the way back to whever the I-cache does refills from, so the |
| 193 | * I-cache has a chance to see the new data at all. Then we have to flush the |
| 194 | * I-cache also. |
| 195 | * Note we may have been rescheduled and may no longer be running on the CPU |
| 196 | * that did the store so we can't optimize this into only doing the flush on |
| 197 | * the local CPU. |
| 198 | */ |
| 199 | #ifndef cpu_icache_snoops_remote_store |
| 200 | #ifdef CONFIG_SMP |
| 201 | #define cpu_icache_snoops_remote_store (cpu_data[0].icache.flags & MIPS_IC_SNOOPS_REMOTE) |
| 202 | #else |
| 203 | #define cpu_icache_snoops_remote_store 1 |
| 204 | #endif |
| 205 | #endif |
| 206 | |
Zhaoxiu Zeng | fff7fb0 | 2016-05-20 17:03:57 -0700 | [diff] [blame] | 207 | /* __builtin_constant_p(cpu_has_mips_r) && cpu_has_mips_r */ |
| 208 | #if !((defined(cpu_has_mips32r1) && cpu_has_mips32r1) || \ |
| 209 | (defined(cpu_has_mips32r2) && cpu_has_mips32r2) || \ |
| 210 | (defined(cpu_has_mips32r6) && cpu_has_mips32r6) || \ |
| 211 | (defined(cpu_has_mips64r1) && cpu_has_mips64r1) || \ |
| 212 | (defined(cpu_has_mips64r2) && cpu_has_mips64r2) || \ |
| 213 | (defined(cpu_has_mips64r6) && cpu_has_mips64r6)) |
| 214 | #define CPU_NO_EFFICIENT_FFS 1 |
| 215 | #endif |
| 216 | |
Markos Chandras | 515a639 | 2014-11-14 10:10:02 +0000 | [diff] [blame] | 217 | #ifndef cpu_has_mips_1 |
| 218 | # define cpu_has_mips_1 (!cpu_has_mips_r6) |
| 219 | #endif |
Steven J. Hill | a96102b | 2012-12-07 04:31:36 +0000 | [diff] [blame] | 220 | #ifndef cpu_has_mips_2 |
| 221 | # define cpu_has_mips_2 (cpu_data[0].isa_level & MIPS_CPU_ISA_II) |
| 222 | #endif |
| 223 | #ifndef cpu_has_mips_3 |
| 224 | # define cpu_has_mips_3 (cpu_data[0].isa_level & MIPS_CPU_ISA_III) |
| 225 | #endif |
| 226 | #ifndef cpu_has_mips_4 |
| 227 | # define cpu_has_mips_4 (cpu_data[0].isa_level & MIPS_CPU_ISA_IV) |
| 228 | #endif |
| 229 | #ifndef cpu_has_mips_5 |
| 230 | # define cpu_has_mips_5 (cpu_data[0].isa_level & MIPS_CPU_ISA_V) |
| 231 | #endif |
Tony Wu | fc192e5 | 2013-06-21 10:10:46 +0000 | [diff] [blame] | 232 | #ifndef cpu_has_mips32r1 |
Ralf Baechle | 0401572 | 2005-12-09 12:20:49 +0000 | [diff] [blame] | 233 | # define cpu_has_mips32r1 (cpu_data[0].isa_level & MIPS_CPU_ISA_M32R1) |
Tony Wu | fc192e5 | 2013-06-21 10:10:46 +0000 | [diff] [blame] | 234 | #endif |
| 235 | #ifndef cpu_has_mips32r2 |
Ralf Baechle | 0401572 | 2005-12-09 12:20:49 +0000 | [diff] [blame] | 236 | # define cpu_has_mips32r2 (cpu_data[0].isa_level & MIPS_CPU_ISA_M32R2) |
Tony Wu | fc192e5 | 2013-06-21 10:10:46 +0000 | [diff] [blame] | 237 | #endif |
Leonid Yegoshin | 34c56fc | 2014-11-13 11:49:21 +0000 | [diff] [blame] | 238 | #ifndef cpu_has_mips32r6 |
| 239 | # define cpu_has_mips32r6 (cpu_data[0].isa_level & MIPS_CPU_ISA_M32R6) |
| 240 | #endif |
Tony Wu | fc192e5 | 2013-06-21 10:10:46 +0000 | [diff] [blame] | 241 | #ifndef cpu_has_mips64r1 |
Ralf Baechle | 0401572 | 2005-12-09 12:20:49 +0000 | [diff] [blame] | 242 | # define cpu_has_mips64r1 (cpu_data[0].isa_level & MIPS_CPU_ISA_M64R1) |
Tony Wu | fc192e5 | 2013-06-21 10:10:46 +0000 | [diff] [blame] | 243 | #endif |
| 244 | #ifndef cpu_has_mips64r2 |
Ralf Baechle | 0401572 | 2005-12-09 12:20:49 +0000 | [diff] [blame] | 245 | # define cpu_has_mips64r2 (cpu_data[0].isa_level & MIPS_CPU_ISA_M64R2) |
Tony Wu | fc192e5 | 2013-06-21 10:10:46 +0000 | [diff] [blame] | 246 | #endif |
Leonid Yegoshin | 34c56fc | 2014-11-13 11:49:21 +0000 | [diff] [blame] | 247 | #ifndef cpu_has_mips64r6 |
| 248 | # define cpu_has_mips64r6 (cpu_data[0].isa_level & MIPS_CPU_ISA_M64R6) |
| 249 | #endif |
Ralf Baechle | 0401572 | 2005-12-09 12:20:49 +0000 | [diff] [blame] | 250 | |
| 251 | /* |
| 252 | * Shortcuts ... |
| 253 | */ |
Ralf Baechle | 08a0790 | 2014-04-19 13:11:37 +0200 | [diff] [blame] | 254 | #define cpu_has_mips_2_3_4_5 (cpu_has_mips_2 | cpu_has_mips_3_4_5) |
| 255 | #define cpu_has_mips_3_4_5 (cpu_has_mips_3 | cpu_has_mips_4_5) |
| 256 | #define cpu_has_mips_4_5 (cpu_has_mips_4 | cpu_has_mips_5) |
| 257 | |
| 258 | #define cpu_has_mips_2_3_4_5_r (cpu_has_mips_2 | cpu_has_mips_3_4_5_r) |
| 259 | #define cpu_has_mips_3_4_5_r (cpu_has_mips_3 | cpu_has_mips_4_5_r) |
| 260 | #define cpu_has_mips_4_5_r (cpu_has_mips_4 | cpu_has_mips_5_r) |
| 261 | #define cpu_has_mips_5_r (cpu_has_mips_5 | cpu_has_mips_r) |
| 262 | |
Maciej W. Rozycki | 2d83fea | 2015-04-03 23:26:49 +0100 | [diff] [blame] | 263 | #define cpu_has_mips_3_4_5_64_r2_r6 \ |
| 264 | (cpu_has_mips_3 | cpu_has_mips_4_5_64_r2_r6) |
| 265 | #define cpu_has_mips_4_5_64_r2_r6 \ |
| 266 | (cpu_has_mips_4_5 | cpu_has_mips64r1 | \ |
| 267 | cpu_has_mips_r2 | cpu_has_mips_r6) |
Ralf Baechle | 08a0790 | 2014-04-19 13:11:37 +0200 | [diff] [blame] | 268 | |
Leonid Yegoshin | 34c56fc | 2014-11-13 11:49:21 +0000 | [diff] [blame] | 269 | #define cpu_has_mips32 (cpu_has_mips32r1 | cpu_has_mips32r2 | cpu_has_mips32r6) |
| 270 | #define cpu_has_mips64 (cpu_has_mips64r1 | cpu_has_mips64r2 | cpu_has_mips64r6) |
Ralf Baechle | 7034228 | 2013-01-22 12:59:30 +0100 | [diff] [blame] | 271 | #define cpu_has_mips_r1 (cpu_has_mips32r1 | cpu_has_mips64r1) |
| 272 | #define cpu_has_mips_r2 (cpu_has_mips32r2 | cpu_has_mips64r2) |
Leonid Yegoshin | 34c56fc | 2014-11-13 11:49:21 +0000 | [diff] [blame] | 273 | #define cpu_has_mips_r6 (cpu_has_mips32r6 | cpu_has_mips64r6) |
Ralf Baechle | c46b302 | 2008-10-28 09:37:47 +0000 | [diff] [blame] | 274 | #define cpu_has_mips_r (cpu_has_mips32r1 | cpu_has_mips32r2 | \ |
Leonid Yegoshin | 34c56fc | 2014-11-13 11:49:21 +0000 | [diff] [blame] | 275 | cpu_has_mips32r6 | cpu_has_mips64r1 | \ |
| 276 | cpu_has_mips64r2 | cpu_has_mips64r6) |
| 277 | |
| 278 | /* MIPSR2 and MIPSR6 have a lot of similarities */ |
| 279 | #define cpu_has_mips_r2_r6 (cpu_has_mips_r2 | cpu_has_mips_r6) |
Ralf Baechle | 0401572 | 2005-12-09 12:20:49 +0000 | [diff] [blame] | 280 | |
Ralf Baechle | 9cdf30b | 2015-03-25 13:14:16 +0100 | [diff] [blame] | 281 | /* |
| 282 | * cpu_has_mips_r2_exec_hazard - return if IHB is required on current processor |
| 283 | * |
| 284 | * Returns non-zero value if the current processor implementation requires |
| 285 | * an IHB instruction to deal with an instruction hazard as per MIPS R2 |
| 286 | * architecture specification, zero otherwise. |
| 287 | */ |
David Daney | 41f0e4d | 2009-05-12 12:41:53 -0700 | [diff] [blame] | 288 | #ifndef cpu_has_mips_r2_exec_hazard |
Ralf Baechle | 9cdf30b | 2015-03-25 13:14:16 +0100 | [diff] [blame] | 289 | #define cpu_has_mips_r2_exec_hazard \ |
| 290 | ({ \ |
| 291 | int __res; \ |
| 292 | \ |
| 293 | switch (current_cpu_type()) { \ |
| 294 | case CPU_M14KC: \ |
| 295 | case CPU_74K: \ |
| 296 | case CPU_1074K: \ |
| 297 | case CPU_PROAPTIV: \ |
| 298 | case CPU_P5600: \ |
| 299 | case CPU_M5150: \ |
| 300 | case CPU_QEMU_GENERIC: \ |
| 301 | case CPU_CAVIUM_OCTEON: \ |
| 302 | case CPU_CAVIUM_OCTEON_PLUS: \ |
| 303 | case CPU_CAVIUM_OCTEON2: \ |
| 304 | case CPU_CAVIUM_OCTEON3: \ |
| 305 | __res = 0; \ |
| 306 | break; \ |
| 307 | \ |
| 308 | default: \ |
| 309 | __res = 1; \ |
| 310 | } \ |
| 311 | \ |
| 312 | __res; \ |
| 313 | }) |
David Daney | 41f0e4d | 2009-05-12 12:41:53 -0700 | [diff] [blame] | 314 | #endif |
| 315 | |
Ralf Baechle | 47740eb | 2009-04-19 03:21:22 +0200 | [diff] [blame] | 316 | /* |
| 317 | * MIPS32, MIPS64, VR5500, IDT32332, IDT32334 and maybe a few other |
Maciej W. Rozycki | becee6b8 | 2013-09-22 22:04:27 +0100 | [diff] [blame] | 318 | * pre-MIPS32/MIPS64 processors have CLO, CLZ. The IDT RC64574 is 64-bit and |
Ralf Baechle | 417a5eb | 2010-08-05 13:26:01 +0100 | [diff] [blame] | 319 | * has CLO and CLZ but not DCLO nor DCLZ. For 64-bit kernels |
Ralf Baechle | 47740eb | 2009-04-19 03:21:22 +0200 | [diff] [blame] | 320 | * cpu_has_clo_clz also indicates the availability of DCLO and DCLZ. |
| 321 | */ |
Tony Wu | fc192e5 | 2013-06-21 10:10:46 +0000 | [diff] [blame] | 322 | #ifndef cpu_has_clo_clz |
| 323 | #define cpu_has_clo_clz cpu_has_mips_r |
| 324 | #endif |
Ralf Baechle | 47740eb | 2009-04-19 03:21:22 +0200 | [diff] [blame] | 325 | |
Chen Jie | 3c09bae | 2014-08-15 16:56:58 +0800 | [diff] [blame] | 326 | /* |
| 327 | * MIPS32 R2, MIPS64 R2, Loongson 3A and Octeon have WSBH. |
| 328 | * MIPS64 R2, Loongson 3A and Octeon have WSBH, DSBH and DSHD. |
| 329 | * This indicates the availability of WSBH and in case of 64 bit CPUs also |
| 330 | * DSBH and DSHD. |
| 331 | */ |
| 332 | #ifndef cpu_has_wsbh |
| 333 | #define cpu_has_wsbh cpu_has_mips_r2 |
| 334 | #endif |
| 335 | |
Ralf Baechle | e50c0a8 | 2005-05-31 11:49:19 +0000 | [diff] [blame] | 336 | #ifndef cpu_has_dsp |
| 337 | #define cpu_has_dsp (cpu_data[0].ases & MIPS_ASE_DSP) |
| 338 | #endif |
| 339 | |
Steven J. Hill | ee80f7c7 | 2012-08-03 10:26:04 -0500 | [diff] [blame] | 340 | #ifndef cpu_has_dsp2 |
| 341 | #define cpu_has_dsp2 (cpu_data[0].ases & MIPS_ASE_DSP2P) |
| 342 | #endif |
| 343 | |
Zubair Lutfullah Kakakhel | b5a6455 | 2016-03-29 15:50:25 +0100 | [diff] [blame] | 344 | #ifndef cpu_has_dsp3 |
| 345 | #define cpu_has_dsp3 (cpu_data[0].ases & MIPS_ASE_DSP3) |
| 346 | #endif |
| 347 | |
Ralf Baechle | 8f40611 | 2005-07-14 07:34:18 +0000 | [diff] [blame] | 348 | #ifndef cpu_has_mipsmt |
Chris Dearman | 2e128de | 2006-06-30 12:32:37 +0100 | [diff] [blame] | 349 | #define cpu_has_mipsmt (cpu_data[0].ases & MIPS_ASE_MIPSMT) |
Ralf Baechle | 8f40611 | 2005-07-14 07:34:18 +0000 | [diff] [blame] | 350 | #endif |
| 351 | |
Paul Burton | f270d88 | 2016-02-03 03:15:21 +0000 | [diff] [blame] | 352 | #ifndef cpu_has_vp |
| 353 | #define cpu_has_vp (cpu_data[0].options & MIPS_CPU_VP) |
| 354 | #endif |
| 355 | |
Ralf Baechle | a369202 | 2007-07-10 17:33:02 +0100 | [diff] [blame] | 356 | #ifndef cpu_has_userlocal |
| 357 | #define cpu_has_userlocal (cpu_data[0].options & MIPS_CPU_ULRI) |
| 358 | #endif |
| 359 | |
Ralf Baechle | 875d43e | 2005-09-03 15:56:16 -0700 | [diff] [blame] | 360 | #ifdef CONFIG_32BIT |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 361 | # ifndef cpu_has_nofpuex |
| 362 | # define cpu_has_nofpuex (cpu_data[0].options & MIPS_CPU_NOFPUEX) |
| 363 | # endif |
| 364 | # ifndef cpu_has_64bits |
| 365 | # define cpu_has_64bits (cpu_data[0].isa_level & MIPS_CPU_ISA_64BIT) |
| 366 | # endif |
| 367 | # ifndef cpu_has_64bit_zero_reg |
Tony Wu | fc192e5 | 2013-06-21 10:10:46 +0000 | [diff] [blame] | 368 | # define cpu_has_64bit_zero_reg (cpu_data[0].isa_level & MIPS_CPU_ISA_64BIT) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 369 | # endif |
| 370 | # ifndef cpu_has_64bit_gp_regs |
| 371 | # define cpu_has_64bit_gp_regs 0 |
| 372 | # endif |
| 373 | # ifndef cpu_has_64bit_addresses |
| 374 | # define cpu_has_64bit_addresses 0 |
| 375 | # endif |
Guenter Roeck | 91dfc42 | 2010-02-02 08:52:20 -0800 | [diff] [blame] | 376 | # ifndef cpu_vmbits |
| 377 | # define cpu_vmbits 31 |
| 378 | # endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 379 | #endif |
| 380 | |
Ralf Baechle | 875d43e | 2005-09-03 15:56:16 -0700 | [diff] [blame] | 381 | #ifdef CONFIG_64BIT |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 382 | # ifndef cpu_has_nofpuex |
| 383 | # define cpu_has_nofpuex 0 |
| 384 | # endif |
| 385 | # ifndef cpu_has_64bits |
| 386 | # define cpu_has_64bits 1 |
| 387 | # endif |
| 388 | # ifndef cpu_has_64bit_zero_reg |
| 389 | # define cpu_has_64bit_zero_reg 1 |
| 390 | # endif |
| 391 | # ifndef cpu_has_64bit_gp_regs |
| 392 | # define cpu_has_64bit_gp_regs 1 |
| 393 | # endif |
| 394 | # ifndef cpu_has_64bit_addresses |
| 395 | # define cpu_has_64bit_addresses 1 |
| 396 | # endif |
Guenter Roeck | 91dfc42 | 2010-02-02 08:52:20 -0800 | [diff] [blame] | 397 | # ifndef cpu_vmbits |
| 398 | # define cpu_vmbits cpu_data[0].vmbits |
| 399 | # define __NEED_VMBITS_PROBE |
| 400 | # endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 401 | #endif |
| 402 | |
Ralf Baechle | f41ae0b | 2006-06-05 17:24:46 +0100 | [diff] [blame] | 403 | #if defined(CONFIG_CPU_MIPSR2_IRQ_VI) && !defined(cpu_has_vint) |
| 404 | # define cpu_has_vint (cpu_data[0].options & MIPS_CPU_VINT) |
| 405 | #elif !defined(cpu_has_vint) |
Ralf Baechle | 8f40611 | 2005-07-14 07:34:18 +0000 | [diff] [blame] | 406 | # define cpu_has_vint 0 |
Ralf Baechle | f41ae0b | 2006-06-05 17:24:46 +0100 | [diff] [blame] | 407 | #endif |
| 408 | |
| 409 | #if defined(CONFIG_CPU_MIPSR2_IRQ_EI) && !defined(cpu_has_veic) |
| 410 | # define cpu_has_veic (cpu_data[0].options & MIPS_CPU_VEIC) |
| 411 | #elif !defined(cpu_has_veic) |
Ralf Baechle | 8f40611 | 2005-07-14 07:34:18 +0000 | [diff] [blame] | 412 | # define cpu_has_veic 0 |
| 413 | #endif |
| 414 | |
Ralf Baechle | fc5d2d2 | 2006-07-06 13:04:01 +0100 | [diff] [blame] | 415 | #ifndef cpu_has_inclusive_pcaches |
| 416 | #define cpu_has_inclusive_pcaches (cpu_data[0].options & MIPS_CPU_INCLUSIVE_CACHES) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 417 | #endif |
| 418 | |
| 419 | #ifndef cpu_dcache_line_size |
Pavel Kiryukhin | 54fd644 | 2007-11-27 19:20:47 +0300 | [diff] [blame] | 420 | #define cpu_dcache_line_size() cpu_data[0].dcache.linesz |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 421 | #endif |
| 422 | #ifndef cpu_icache_line_size |
Pavel Kiryukhin | 54fd644 | 2007-11-27 19:20:47 +0300 | [diff] [blame] | 423 | #define cpu_icache_line_size() cpu_data[0].icache.linesz |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 424 | #endif |
| 425 | #ifndef cpu_scache_line_size |
Pavel Kiryukhin | 54fd644 | 2007-11-27 19:20:47 +0300 | [diff] [blame] | 426 | #define cpu_scache_line_size() cpu_data[0].scache.linesz |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 427 | #endif |
| 428 | |
David Daney | fbeda19 | 2009-05-13 15:59:55 -0700 | [diff] [blame] | 429 | #ifndef cpu_hwrena_impl_bits |
| 430 | #define cpu_hwrena_impl_bits 0 |
| 431 | #endif |
| 432 | |
Al Cooper | da4b62c | 2012-07-13 16:44:51 -0400 | [diff] [blame] | 433 | #ifndef cpu_has_perf_cntr_intr_bit |
| 434 | #define cpu_has_perf_cntr_intr_bit (cpu_data[0].options & MIPS_CPU_PCI) |
| 435 | #endif |
| 436 | |
David Daney | 1e7decd | 2013-02-16 23:42:43 +0100 | [diff] [blame] | 437 | #ifndef cpu_has_vz |
| 438 | #define cpu_has_vz (cpu_data[0].ases & MIPS_ASE_VZ) |
| 439 | #endif |
| 440 | |
Paul Burton | a5e9a69 | 2014-01-27 15:23:10 +0000 | [diff] [blame] | 441 | #if defined(CONFIG_CPU_HAS_MSA) && !defined(cpu_has_msa) |
| 442 | # define cpu_has_msa (cpu_data[0].ases & MIPS_ASE_MSA) |
| 443 | #elif !defined(cpu_has_msa) |
| 444 | # define cpu_has_msa 0 |
| 445 | #endif |
| 446 | |
Paul Burton | adac5d5 | 2014-09-11 08:30:18 +0100 | [diff] [blame] | 447 | #ifndef cpu_has_fre |
| 448 | # define cpu_has_fre (cpu_data[0].options & MIPS_CPU_FRE) |
| 449 | #endif |
| 450 | |
James Hogan | 9b3274b | 2015-02-02 11:45:08 +0000 | [diff] [blame] | 451 | #ifndef cpu_has_cdmm |
| 452 | # define cpu_has_cdmm (cpu_data[0].options & MIPS_CPU_CDMM) |
| 453 | #endif |
| 454 | |
James Hogan | aaa7be4 | 2015-07-15 16:17:44 +0100 | [diff] [blame] | 455 | #ifndef cpu_has_small_pages |
| 456 | # define cpu_has_small_pages (cpu_data[0].options & MIPS_CPU_SP) |
| 457 | #endif |
| 458 | |
Maciej W. Rozycki | 9519ef3 | 2015-11-13 00:46:55 +0000 | [diff] [blame] | 459 | #ifndef cpu_has_nan_legacy |
| 460 | #define cpu_has_nan_legacy (cpu_data[0].options & MIPS_CPU_NAN_LEGACY) |
| 461 | #endif |
| 462 | #ifndef cpu_has_nan_2008 |
| 463 | #define cpu_has_nan_2008 (cpu_data[0].options & MIPS_CPU_NAN_2008) |
| 464 | #endif |
| 465 | |
James Hogan | 37fb60f | 2016-05-11 13:50:50 +0100 | [diff] [blame] | 466 | #ifndef cpu_has_ebase_wg |
| 467 | # define cpu_has_ebase_wg (cpu_data[0].options & MIPS_CPU_EBASE_WG) |
| 468 | #endif |
| 469 | |
James Hogan | e06a154 | 2016-05-11 13:50:51 +0100 | [diff] [blame] | 470 | #ifndef cpu_has_badinstr |
| 471 | # define cpu_has_badinstr (cpu_data[0].options & MIPS_CPU_BADINSTR) |
| 472 | #endif |
| 473 | |
| 474 | #ifndef cpu_has_badinstrp |
| 475 | # define cpu_has_badinstrp (cpu_data[0].options & MIPS_CPU_BADINSTRP) |
| 476 | #endif |
| 477 | |
James Hogan | f18bdfa | 2016-05-11 13:50:52 +0100 | [diff] [blame] | 478 | #ifndef cpu_has_contextconfig |
| 479 | # define cpu_has_contextconfig (cpu_data[0].options & MIPS_CPU_CTXTC) |
| 480 | #endif |
| 481 | |
James Hogan | 30228c4 | 2016-05-11 13:50:53 +0100 | [diff] [blame] | 482 | #ifndef cpu_has_perf |
| 483 | # define cpu_has_perf (cpu_data[0].options & MIPS_CPU_PERF) |
| 484 | #endif |
| 485 | |
James Hogan | 6ad816e | 2016-05-11 15:50:30 +0100 | [diff] [blame] | 486 | /* |
| 487 | * Guest capabilities |
| 488 | */ |
| 489 | #ifndef cpu_guest_has_conf1 |
| 490 | #define cpu_guest_has_conf1 (cpu_data[0].guest.conf & (1 << 1)) |
| 491 | #endif |
| 492 | #ifndef cpu_guest_has_conf2 |
| 493 | #define cpu_guest_has_conf2 (cpu_data[0].guest.conf & (1 << 2)) |
| 494 | #endif |
| 495 | #ifndef cpu_guest_has_conf3 |
| 496 | #define cpu_guest_has_conf3 (cpu_data[0].guest.conf & (1 << 3)) |
| 497 | #endif |
| 498 | #ifndef cpu_guest_has_conf4 |
| 499 | #define cpu_guest_has_conf4 (cpu_data[0].guest.conf & (1 << 4)) |
| 500 | #endif |
| 501 | #ifndef cpu_guest_has_conf5 |
| 502 | #define cpu_guest_has_conf5 (cpu_data[0].guest.conf & (1 << 5)) |
| 503 | #endif |
| 504 | #ifndef cpu_guest_has_conf6 |
| 505 | #define cpu_guest_has_conf6 (cpu_data[0].guest.conf & (1 << 6)) |
| 506 | #endif |
| 507 | #ifndef cpu_guest_has_conf7 |
| 508 | #define cpu_guest_has_conf7 (cpu_data[0].guest.conf & (1 << 7)) |
| 509 | #endif |
| 510 | #ifndef cpu_guest_has_fpu |
| 511 | #define cpu_guest_has_fpu (cpu_data[0].guest.options & MIPS_CPU_FPU) |
| 512 | #endif |
| 513 | #ifndef cpu_guest_has_watch |
| 514 | #define cpu_guest_has_watch (cpu_data[0].guest.options & MIPS_CPU_WATCH) |
| 515 | #endif |
| 516 | #ifndef cpu_guest_has_contextconfig |
| 517 | #define cpu_guest_has_contextconfig (cpu_data[0].guest.options & MIPS_CPU_CTXTC) |
| 518 | #endif |
| 519 | #ifndef cpu_guest_has_segments |
| 520 | #define cpu_guest_has_segments (cpu_data[0].guest.options & MIPS_CPU_SEGMENTS) |
| 521 | #endif |
| 522 | #ifndef cpu_guest_has_badinstr |
| 523 | #define cpu_guest_has_badinstr (cpu_data[0].guest.options & MIPS_CPU_BADINSTR) |
| 524 | #endif |
| 525 | #ifndef cpu_guest_has_badinstrp |
| 526 | #define cpu_guest_has_badinstrp (cpu_data[0].guest.options & MIPS_CPU_BADINSTRP) |
| 527 | #endif |
| 528 | #ifndef cpu_guest_has_htw |
| 529 | #define cpu_guest_has_htw (cpu_data[0].guest.options & MIPS_CPU_HTW) |
| 530 | #endif |
| 531 | #ifndef cpu_guest_has_msa |
| 532 | #define cpu_guest_has_msa (cpu_data[0].guest.ases & MIPS_ASE_MSA) |
| 533 | #endif |
| 534 | #ifndef cpu_guest_has_kscr |
| 535 | #define cpu_guest_has_kscr(n) (cpu_data[0].guest.kscratch_mask & (1u << (n))) |
| 536 | #endif |
| 537 | #ifndef cpu_guest_has_rw_llb |
| 538 | #define cpu_guest_has_rw_llb (cpu_has_mips_r6 || (cpu_data[0].guest.options & MIPS_CPU_RW_LLB)) |
| 539 | #endif |
| 540 | #ifndef cpu_guest_has_perf |
| 541 | #define cpu_guest_has_perf (cpu_data[0].guest.options & MIPS_CPU_PERF) |
| 542 | #endif |
| 543 | #ifndef cpu_guest_has_maar |
| 544 | #define cpu_guest_has_maar (cpu_data[0].guest.options & MIPS_CPU_MAAR) |
| 545 | #endif |
| 546 | |
| 547 | /* |
| 548 | * Guest dynamic capabilities |
| 549 | */ |
| 550 | #ifndef cpu_guest_has_dyn_fpu |
| 551 | #define cpu_guest_has_dyn_fpu (cpu_data[0].guest.options_dyn & MIPS_CPU_FPU) |
| 552 | #endif |
| 553 | #ifndef cpu_guest_has_dyn_watch |
| 554 | #define cpu_guest_has_dyn_watch (cpu_data[0].guest.options_dyn & MIPS_CPU_WATCH) |
| 555 | #endif |
| 556 | #ifndef cpu_guest_has_dyn_contextconfig |
| 557 | #define cpu_guest_has_dyn_contextconfig (cpu_data[0].guest.options_dyn & MIPS_CPU_CTXTC) |
| 558 | #endif |
| 559 | #ifndef cpu_guest_has_dyn_perf |
| 560 | #define cpu_guest_has_dyn_perf (cpu_data[0].guest.options_dyn & MIPS_CPU_PERF) |
| 561 | #endif |
| 562 | #ifndef cpu_guest_has_dyn_msa |
| 563 | #define cpu_guest_has_dyn_msa (cpu_data[0].guest.ases_dyn & MIPS_ASE_MSA) |
| 564 | #endif |
| 565 | #ifndef cpu_guest_has_dyn_maar |
| 566 | #define cpu_guest_has_dyn_maar (cpu_data[0].guest.options_dyn & MIPS_CPU_MAAR) |
| 567 | #endif |
| 568 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 569 | #endif /* __ASM_CPU_FEATURES_H */ |