The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1 | /* |
| 2 | * defines common to all virtual CPUs |
| 3 | * |
| 4 | * Copyright (c) 2003 Fabrice Bellard |
| 5 | * |
| 6 | * This library is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU Lesser General Public |
| 8 | * License as published by the Free Software Foundation; either |
| 9 | * version 2 of the License, or (at your option) any later version. |
| 10 | * |
| 11 | * This library is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | * Lesser General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU Lesser General Public |
David 'Digit' Turner | 3266b51 | 2010-05-10 18:44:56 -0700 | [diff] [blame] | 17 | * License along with this library; if not, see <http://www.gnu.org/licenses/>. |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 18 | */ |
| 19 | #ifndef CPU_ALL_H |
| 20 | #define CPU_ALL_H |
| 21 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 22 | #include "qemu-common.h" |
| 23 | #include "cpu-common.h" |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 24 | |
| 25 | /* some important defines: |
| 26 | * |
| 27 | * WORDS_ALIGNED : if defined, the host cpu can only make word aligned |
| 28 | * memory accesses. |
| 29 | * |
David 'Digit' Turner | 20894ae | 2010-05-10 17:07:36 -0700 | [diff] [blame] | 30 | * HOST_WORDS_BIGENDIAN : if defined, the host cpu is big endian and |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 31 | * otherwise little endian. |
| 32 | * |
| 33 | * (TARGET_WORDS_ALIGNED : same for target cpu (not supported yet)) |
| 34 | * |
| 35 | * TARGET_WORDS_BIGENDIAN : same for target cpu |
| 36 | */ |
| 37 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 38 | #include "softfloat.h" |
| 39 | |
David 'Digit' Turner | 20894ae | 2010-05-10 17:07:36 -0700 | [diff] [blame] | 40 | #if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 41 | #define BSWAP_NEEDED |
| 42 | #endif |
| 43 | |
| 44 | #ifdef BSWAP_NEEDED |
| 45 | |
| 46 | static inline uint16_t tswap16(uint16_t s) |
| 47 | { |
| 48 | return bswap16(s); |
| 49 | } |
| 50 | |
| 51 | static inline uint32_t tswap32(uint32_t s) |
| 52 | { |
| 53 | return bswap32(s); |
| 54 | } |
| 55 | |
| 56 | static inline uint64_t tswap64(uint64_t s) |
| 57 | { |
| 58 | return bswap64(s); |
| 59 | } |
| 60 | |
| 61 | static inline void tswap16s(uint16_t *s) |
| 62 | { |
| 63 | *s = bswap16(*s); |
| 64 | } |
| 65 | |
| 66 | static inline void tswap32s(uint32_t *s) |
| 67 | { |
| 68 | *s = bswap32(*s); |
| 69 | } |
| 70 | |
| 71 | static inline void tswap64s(uint64_t *s) |
| 72 | { |
| 73 | *s = bswap64(*s); |
| 74 | } |
| 75 | |
| 76 | #else |
| 77 | |
| 78 | static inline uint16_t tswap16(uint16_t s) |
| 79 | { |
| 80 | return s; |
| 81 | } |
| 82 | |
| 83 | static inline uint32_t tswap32(uint32_t s) |
| 84 | { |
| 85 | return s; |
| 86 | } |
| 87 | |
| 88 | static inline uint64_t tswap64(uint64_t s) |
| 89 | { |
| 90 | return s; |
| 91 | } |
| 92 | |
| 93 | static inline void tswap16s(uint16_t *s) |
| 94 | { |
| 95 | } |
| 96 | |
| 97 | static inline void tswap32s(uint32_t *s) |
| 98 | { |
| 99 | } |
| 100 | |
| 101 | static inline void tswap64s(uint64_t *s) |
| 102 | { |
| 103 | } |
| 104 | |
| 105 | #endif |
| 106 | |
| 107 | #if TARGET_LONG_SIZE == 4 |
| 108 | #define tswapl(s) tswap32(s) |
| 109 | #define tswapls(s) tswap32s((uint32_t *)(s)) |
| 110 | #define bswaptls(s) bswap32s(s) |
| 111 | #else |
| 112 | #define tswapl(s) tswap64(s) |
| 113 | #define tswapls(s) tswap64s((uint64_t *)(s)) |
| 114 | #define bswaptls(s) bswap64s(s) |
| 115 | #endif |
| 116 | |
| 117 | typedef union { |
| 118 | float32 f; |
| 119 | uint32_t l; |
| 120 | } CPU_FloatU; |
| 121 | |
| 122 | /* NOTE: arm FPA is horrible as double 32 bit words are stored in big |
| 123 | endian ! */ |
| 124 | typedef union { |
| 125 | float64 d; |
David 'Digit' Turner | 20894ae | 2010-05-10 17:07:36 -0700 | [diff] [blame] | 126 | #if defined(HOST_WORDS_BIGENDIAN) \ |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 127 | || (defined(__arm__) && !defined(__VFP_FP__) && !defined(CONFIG_SOFTFLOAT)) |
| 128 | struct { |
| 129 | uint32_t upper; |
| 130 | uint32_t lower; |
| 131 | } l; |
| 132 | #else |
| 133 | struct { |
| 134 | uint32_t lower; |
| 135 | uint32_t upper; |
| 136 | } l; |
| 137 | #endif |
| 138 | uint64_t ll; |
| 139 | } CPU_DoubleU; |
| 140 | |
| 141 | #ifdef TARGET_SPARC |
| 142 | typedef union { |
| 143 | float128 q; |
David 'Digit' Turner | 20894ae | 2010-05-10 17:07:36 -0700 | [diff] [blame] | 144 | #if defined(HOST_WORDS_BIGENDIAN) \ |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 145 | || (defined(__arm__) && !defined(__VFP_FP__) && !defined(CONFIG_SOFTFLOAT)) |
| 146 | struct { |
| 147 | uint32_t upmost; |
| 148 | uint32_t upper; |
| 149 | uint32_t lower; |
| 150 | uint32_t lowest; |
| 151 | } l; |
| 152 | struct { |
| 153 | uint64_t upper; |
| 154 | uint64_t lower; |
| 155 | } ll; |
| 156 | #else |
| 157 | struct { |
| 158 | uint32_t lowest; |
| 159 | uint32_t lower; |
| 160 | uint32_t upper; |
| 161 | uint32_t upmost; |
| 162 | } l; |
| 163 | struct { |
| 164 | uint64_t lower; |
| 165 | uint64_t upper; |
| 166 | } ll; |
| 167 | #endif |
| 168 | } CPU_QuadU; |
| 169 | #endif |
| 170 | |
| 171 | /* CPU memory access without any memory or io remapping */ |
| 172 | |
| 173 | /* |
| 174 | * the generic syntax for the memory accesses is: |
| 175 | * |
| 176 | * load: ld{type}{sign}{size}{endian}_{access_type}(ptr) |
| 177 | * |
| 178 | * store: st{type}{size}{endian}_{access_type}(ptr, val) |
| 179 | * |
| 180 | * type is: |
| 181 | * (empty): integer access |
| 182 | * f : float access |
| 183 | * |
| 184 | * sign is: |
| 185 | * (empty): for floats or 32 bit size |
| 186 | * u : unsigned |
| 187 | * s : signed |
| 188 | * |
| 189 | * size is: |
| 190 | * b: 8 bits |
| 191 | * w: 16 bits |
| 192 | * l: 32 bits |
| 193 | * q: 64 bits |
| 194 | * |
| 195 | * endian is: |
| 196 | * (empty): target cpu endianness or 8 bit access |
| 197 | * r : reversed target cpu endianness (not implemented yet) |
| 198 | * be : big endian (not implemented yet) |
| 199 | * le : little endian (not implemented yet) |
| 200 | * |
| 201 | * access_type is: |
| 202 | * raw : host memory access |
| 203 | * user : user mode access using soft MMU |
| 204 | * kernel : kernel mode access using soft MMU |
| 205 | */ |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 206 | static inline int ldub_p(const void *ptr) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 207 | { |
| 208 | return *(uint8_t *)ptr; |
| 209 | } |
| 210 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 211 | static inline int ldsb_p(const void *ptr) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 212 | { |
| 213 | return *(int8_t *)ptr; |
| 214 | } |
| 215 | |
| 216 | static inline void stb_p(void *ptr, int v) |
| 217 | { |
| 218 | *(uint8_t *)ptr = v; |
| 219 | } |
| 220 | |
| 221 | /* NOTE: on arm, putting 2 in /proc/sys/debug/alignment so that the |
| 222 | kernel handles unaligned load/stores may give better results, but |
| 223 | it is a system wide setting : bad */ |
David 'Digit' Turner | 20894ae | 2010-05-10 17:07:36 -0700 | [diff] [blame] | 224 | #if defined(HOST_WORDS_BIGENDIAN) || defined(WORDS_ALIGNED) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 225 | |
| 226 | /* conservative code for little endian unaligned accesses */ |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 227 | static inline int lduw_le_p(const void *ptr) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 228 | { |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 229 | #ifdef _ARCH_PPC |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 230 | int val; |
| 231 | __asm__ __volatile__ ("lhbrx %0,0,%1" : "=r" (val) : "r" (ptr)); |
| 232 | return val; |
| 233 | #else |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 234 | const uint8_t *p = ptr; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 235 | return p[0] | (p[1] << 8); |
| 236 | #endif |
| 237 | } |
| 238 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 239 | static inline int ldsw_le_p(const void *ptr) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 240 | { |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 241 | #ifdef _ARCH_PPC |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 242 | int val; |
| 243 | __asm__ __volatile__ ("lhbrx %0,0,%1" : "=r" (val) : "r" (ptr)); |
| 244 | return (int16_t)val; |
| 245 | #else |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 246 | const uint8_t *p = ptr; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 247 | return (int16_t)(p[0] | (p[1] << 8)); |
| 248 | #endif |
| 249 | } |
| 250 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 251 | static inline int ldl_le_p(const void *ptr) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 252 | { |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 253 | #ifdef _ARCH_PPC |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 254 | int val; |
| 255 | __asm__ __volatile__ ("lwbrx %0,0,%1" : "=r" (val) : "r" (ptr)); |
| 256 | return val; |
| 257 | #else |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 258 | const uint8_t *p = ptr; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 259 | return p[0] | (p[1] << 8) | (p[2] << 16) | (p[3] << 24); |
| 260 | #endif |
| 261 | } |
| 262 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 263 | static inline uint64_t ldq_le_p(const void *ptr) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 264 | { |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 265 | const uint8_t *p = ptr; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 266 | uint32_t v1, v2; |
| 267 | v1 = ldl_le_p(p); |
| 268 | v2 = ldl_le_p(p + 4); |
| 269 | return v1 | ((uint64_t)v2 << 32); |
| 270 | } |
| 271 | |
| 272 | static inline void stw_le_p(void *ptr, int v) |
| 273 | { |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 274 | #ifdef _ARCH_PPC |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 275 | __asm__ __volatile__ ("sthbrx %1,0,%2" : "=m" (*(uint16_t *)ptr) : "r" (v), "r" (ptr)); |
| 276 | #else |
| 277 | uint8_t *p = ptr; |
| 278 | p[0] = v; |
| 279 | p[1] = v >> 8; |
| 280 | #endif |
| 281 | } |
| 282 | |
| 283 | static inline void stl_le_p(void *ptr, int v) |
| 284 | { |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 285 | #ifdef _ARCH_PPC |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 286 | __asm__ __volatile__ ("stwbrx %1,0,%2" : "=m" (*(uint32_t *)ptr) : "r" (v), "r" (ptr)); |
| 287 | #else |
| 288 | uint8_t *p = ptr; |
| 289 | p[0] = v; |
| 290 | p[1] = v >> 8; |
| 291 | p[2] = v >> 16; |
| 292 | p[3] = v >> 24; |
| 293 | #endif |
| 294 | } |
| 295 | |
| 296 | static inline void stq_le_p(void *ptr, uint64_t v) |
| 297 | { |
| 298 | uint8_t *p = ptr; |
| 299 | stl_le_p(p, (uint32_t)v); |
| 300 | stl_le_p(p + 4, v >> 32); |
| 301 | } |
| 302 | |
| 303 | /* float access */ |
| 304 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 305 | static inline float32 ldfl_le_p(const void *ptr) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 306 | { |
| 307 | union { |
| 308 | float32 f; |
| 309 | uint32_t i; |
| 310 | } u; |
| 311 | u.i = ldl_le_p(ptr); |
| 312 | return u.f; |
| 313 | } |
| 314 | |
| 315 | static inline void stfl_le_p(void *ptr, float32 v) |
| 316 | { |
| 317 | union { |
| 318 | float32 f; |
| 319 | uint32_t i; |
| 320 | } u; |
| 321 | u.f = v; |
| 322 | stl_le_p(ptr, u.i); |
| 323 | } |
| 324 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 325 | static inline float64 ldfq_le_p(const void *ptr) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 326 | { |
| 327 | CPU_DoubleU u; |
| 328 | u.l.lower = ldl_le_p(ptr); |
| 329 | u.l.upper = ldl_le_p(ptr + 4); |
| 330 | return u.d; |
| 331 | } |
| 332 | |
| 333 | static inline void stfq_le_p(void *ptr, float64 v) |
| 334 | { |
| 335 | CPU_DoubleU u; |
| 336 | u.d = v; |
| 337 | stl_le_p(ptr, u.l.lower); |
| 338 | stl_le_p(ptr + 4, u.l.upper); |
| 339 | } |
| 340 | |
| 341 | #else |
| 342 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 343 | static inline int lduw_le_p(const void *ptr) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 344 | { |
| 345 | return *(uint16_t *)ptr; |
| 346 | } |
| 347 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 348 | static inline int ldsw_le_p(const void *ptr) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 349 | { |
| 350 | return *(int16_t *)ptr; |
| 351 | } |
| 352 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 353 | static inline int ldl_le_p(const void *ptr) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 354 | { |
| 355 | return *(uint32_t *)ptr; |
| 356 | } |
| 357 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 358 | static inline uint64_t ldq_le_p(const void *ptr) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 359 | { |
| 360 | return *(uint64_t *)ptr; |
| 361 | } |
| 362 | |
| 363 | static inline void stw_le_p(void *ptr, int v) |
| 364 | { |
| 365 | *(uint16_t *)ptr = v; |
| 366 | } |
| 367 | |
| 368 | static inline void stl_le_p(void *ptr, int v) |
| 369 | { |
| 370 | *(uint32_t *)ptr = v; |
| 371 | } |
| 372 | |
| 373 | static inline void stq_le_p(void *ptr, uint64_t v) |
| 374 | { |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 375 | *(uint64_t *)ptr = v; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 376 | } |
| 377 | |
| 378 | /* float access */ |
| 379 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 380 | static inline float32 ldfl_le_p(const void *ptr) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 381 | { |
| 382 | return *(float32 *)ptr; |
| 383 | } |
| 384 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 385 | static inline float64 ldfq_le_p(const void *ptr) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 386 | { |
| 387 | return *(float64 *)ptr; |
| 388 | } |
| 389 | |
| 390 | static inline void stfl_le_p(void *ptr, float32 v) |
| 391 | { |
| 392 | *(float32 *)ptr = v; |
| 393 | } |
| 394 | |
| 395 | static inline void stfq_le_p(void *ptr, float64 v) |
| 396 | { |
| 397 | *(float64 *)ptr = v; |
| 398 | } |
| 399 | #endif |
| 400 | |
David 'Digit' Turner | 20894ae | 2010-05-10 17:07:36 -0700 | [diff] [blame] | 401 | #if !defined(HOST_WORDS_BIGENDIAN) || defined(WORDS_ALIGNED) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 402 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 403 | static inline int lduw_be_p(const void *ptr) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 404 | { |
| 405 | #if defined(__i386__) |
| 406 | int val; |
| 407 | asm volatile ("movzwl %1, %0\n" |
| 408 | "xchgb %b0, %h0\n" |
| 409 | : "=q" (val) |
| 410 | : "m" (*(uint16_t *)ptr)); |
| 411 | return val; |
| 412 | #else |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 413 | const uint8_t *b = ptr; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 414 | return ((b[0] << 8) | b[1]); |
| 415 | #endif |
| 416 | } |
| 417 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 418 | static inline int ldsw_be_p(const void *ptr) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 419 | { |
| 420 | #if defined(__i386__) |
| 421 | int val; |
| 422 | asm volatile ("movzwl %1, %0\n" |
| 423 | "xchgb %b0, %h0\n" |
| 424 | : "=q" (val) |
| 425 | : "m" (*(uint16_t *)ptr)); |
| 426 | return (int16_t)val; |
| 427 | #else |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 428 | const uint8_t *b = ptr; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 429 | return (int16_t)((b[0] << 8) | b[1]); |
| 430 | #endif |
| 431 | } |
| 432 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 433 | static inline int ldl_be_p(const void *ptr) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 434 | { |
| 435 | #if defined(__i386__) || defined(__x86_64__) |
| 436 | int val; |
| 437 | asm volatile ("movl %1, %0\n" |
| 438 | "bswap %0\n" |
| 439 | : "=r" (val) |
| 440 | : "m" (*(uint32_t *)ptr)); |
| 441 | return val; |
| 442 | #else |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 443 | const uint8_t *b = ptr; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 444 | return (b[0] << 24) | (b[1] << 16) | (b[2] << 8) | b[3]; |
| 445 | #endif |
| 446 | } |
| 447 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 448 | static inline uint64_t ldq_be_p(const void *ptr) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 449 | { |
| 450 | uint32_t a,b; |
| 451 | a = ldl_be_p(ptr); |
| 452 | b = ldl_be_p((uint8_t *)ptr + 4); |
| 453 | return (((uint64_t)a<<32)|b); |
| 454 | } |
| 455 | |
| 456 | static inline void stw_be_p(void *ptr, int v) |
| 457 | { |
| 458 | #if defined(__i386__) |
| 459 | asm volatile ("xchgb %b0, %h0\n" |
| 460 | "movw %w0, %1\n" |
| 461 | : "=q" (v) |
| 462 | : "m" (*(uint16_t *)ptr), "0" (v)); |
| 463 | #else |
| 464 | uint8_t *d = (uint8_t *) ptr; |
| 465 | d[0] = v >> 8; |
| 466 | d[1] = v; |
| 467 | #endif |
| 468 | } |
| 469 | |
| 470 | static inline void stl_be_p(void *ptr, int v) |
| 471 | { |
| 472 | #if defined(__i386__) || defined(__x86_64__) |
| 473 | asm volatile ("bswap %0\n" |
| 474 | "movl %0, %1\n" |
| 475 | : "=r" (v) |
| 476 | : "m" (*(uint32_t *)ptr), "0" (v)); |
| 477 | #else |
| 478 | uint8_t *d = (uint8_t *) ptr; |
| 479 | d[0] = v >> 24; |
| 480 | d[1] = v >> 16; |
| 481 | d[2] = v >> 8; |
| 482 | d[3] = v; |
| 483 | #endif |
| 484 | } |
| 485 | |
| 486 | static inline void stq_be_p(void *ptr, uint64_t v) |
| 487 | { |
| 488 | stl_be_p(ptr, v >> 32); |
| 489 | stl_be_p((uint8_t *)ptr + 4, v); |
| 490 | } |
| 491 | |
| 492 | /* float access */ |
| 493 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 494 | static inline float32 ldfl_be_p(const void *ptr) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 495 | { |
| 496 | union { |
| 497 | float32 f; |
| 498 | uint32_t i; |
| 499 | } u; |
| 500 | u.i = ldl_be_p(ptr); |
| 501 | return u.f; |
| 502 | } |
| 503 | |
| 504 | static inline void stfl_be_p(void *ptr, float32 v) |
| 505 | { |
| 506 | union { |
| 507 | float32 f; |
| 508 | uint32_t i; |
| 509 | } u; |
| 510 | u.f = v; |
| 511 | stl_be_p(ptr, u.i); |
| 512 | } |
| 513 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 514 | static inline float64 ldfq_be_p(const void *ptr) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 515 | { |
| 516 | CPU_DoubleU u; |
| 517 | u.l.upper = ldl_be_p(ptr); |
| 518 | u.l.lower = ldl_be_p((uint8_t *)ptr + 4); |
| 519 | return u.d; |
| 520 | } |
| 521 | |
| 522 | static inline void stfq_be_p(void *ptr, float64 v) |
| 523 | { |
| 524 | CPU_DoubleU u; |
| 525 | u.d = v; |
| 526 | stl_be_p(ptr, u.l.upper); |
| 527 | stl_be_p((uint8_t *)ptr + 4, u.l.lower); |
| 528 | } |
| 529 | |
| 530 | #else |
| 531 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 532 | static inline int lduw_be_p(const void *ptr) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 533 | { |
| 534 | return *(uint16_t *)ptr; |
| 535 | } |
| 536 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 537 | static inline int ldsw_be_p(const void *ptr) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 538 | { |
| 539 | return *(int16_t *)ptr; |
| 540 | } |
| 541 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 542 | static inline int ldl_be_p(const void *ptr) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 543 | { |
| 544 | return *(uint32_t *)ptr; |
| 545 | } |
| 546 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 547 | static inline uint64_t ldq_be_p(const void *ptr) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 548 | { |
| 549 | return *(uint64_t *)ptr; |
| 550 | } |
| 551 | |
| 552 | static inline void stw_be_p(void *ptr, int v) |
| 553 | { |
| 554 | *(uint16_t *)ptr = v; |
| 555 | } |
| 556 | |
| 557 | static inline void stl_be_p(void *ptr, int v) |
| 558 | { |
| 559 | *(uint32_t *)ptr = v; |
| 560 | } |
| 561 | |
| 562 | static inline void stq_be_p(void *ptr, uint64_t v) |
| 563 | { |
| 564 | *(uint64_t *)ptr = v; |
| 565 | } |
| 566 | |
| 567 | /* float access */ |
| 568 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 569 | static inline float32 ldfl_be_p(const void *ptr) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 570 | { |
| 571 | return *(float32 *)ptr; |
| 572 | } |
| 573 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 574 | static inline float64 ldfq_be_p(const void *ptr) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 575 | { |
| 576 | return *(float64 *)ptr; |
| 577 | } |
| 578 | |
| 579 | static inline void stfl_be_p(void *ptr, float32 v) |
| 580 | { |
| 581 | *(float32 *)ptr = v; |
| 582 | } |
| 583 | |
| 584 | static inline void stfq_be_p(void *ptr, float64 v) |
| 585 | { |
| 586 | *(float64 *)ptr = v; |
| 587 | } |
| 588 | |
| 589 | #endif |
| 590 | |
| 591 | /* target CPU memory access functions */ |
| 592 | #if defined(TARGET_WORDS_BIGENDIAN) |
| 593 | #define lduw_p(p) lduw_be_p(p) |
| 594 | #define ldsw_p(p) ldsw_be_p(p) |
| 595 | #define ldl_p(p) ldl_be_p(p) |
| 596 | #define ldq_p(p) ldq_be_p(p) |
| 597 | #define ldfl_p(p) ldfl_be_p(p) |
| 598 | #define ldfq_p(p) ldfq_be_p(p) |
| 599 | #define stw_p(p, v) stw_be_p(p, v) |
| 600 | #define stl_p(p, v) stl_be_p(p, v) |
| 601 | #define stq_p(p, v) stq_be_p(p, v) |
| 602 | #define stfl_p(p, v) stfl_be_p(p, v) |
| 603 | #define stfq_p(p, v) stfq_be_p(p, v) |
| 604 | #else |
| 605 | #define lduw_p(p) lduw_le_p(p) |
| 606 | #define ldsw_p(p) ldsw_le_p(p) |
| 607 | #define ldl_p(p) ldl_le_p(p) |
| 608 | #define ldq_p(p) ldq_le_p(p) |
| 609 | #define ldfl_p(p) ldfl_le_p(p) |
| 610 | #define ldfq_p(p) ldfq_le_p(p) |
| 611 | #define stw_p(p, v) stw_le_p(p, v) |
| 612 | #define stl_p(p, v) stl_le_p(p, v) |
| 613 | #define stq_p(p, v) stq_le_p(p, v) |
| 614 | #define stfl_p(p, v) stfl_le_p(p, v) |
| 615 | #define stfq_p(p, v) stfq_le_p(p, v) |
| 616 | #endif |
| 617 | |
| 618 | /* MMU memory access macros */ |
| 619 | |
| 620 | #if defined(CONFIG_USER_ONLY) |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 621 | #include <assert.h> |
| 622 | #include "qemu-types.h" |
| 623 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 624 | /* On some host systems the guest address space is reserved on the host. |
| 625 | * This allows the guest address space to be offset to a convenient location. |
| 626 | */ |
David 'Digit' Turner | 3266b51 | 2010-05-10 18:44:56 -0700 | [diff] [blame] | 627 | #if defined(CONFIG_USE_GUEST_BASE) |
| 628 | extern unsigned long guest_base; |
| 629 | extern int have_guest_base; |
David Turner | 5fbe340 | 2010-09-10 14:31:22 +0200 | [diff] [blame] | 630 | extern unsigned long reserved_va; |
David 'Digit' Turner | 3266b51 | 2010-05-10 18:44:56 -0700 | [diff] [blame] | 631 | #define GUEST_BASE guest_base |
David Turner | 5fbe340 | 2010-09-10 14:31:22 +0200 | [diff] [blame] | 632 | #define RESERVED_VA reserved_va |
David 'Digit' Turner | 3266b51 | 2010-05-10 18:44:56 -0700 | [diff] [blame] | 633 | #else |
| 634 | #define GUEST_BASE 0ul |
David Turner | 5fbe340 | 2010-09-10 14:31:22 +0200 | [diff] [blame] | 635 | #define RESERVED_VA 0ul |
David 'Digit' Turner | 3266b51 | 2010-05-10 18:44:56 -0700 | [diff] [blame] | 636 | #endif |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 637 | |
| 638 | /* All direct uses of g2h and h2g need to go away for usermode softmmu. */ |
| 639 | #define g2h(x) ((void *)((unsigned long)(x) + GUEST_BASE)) |
David Turner | 5fbe340 | 2010-09-10 14:31:22 +0200 | [diff] [blame] | 640 | |
| 641 | #if HOST_LONG_BITS <= TARGET_VIRT_ADDR_SPACE_BITS |
| 642 | #define h2g_valid(x) 1 |
| 643 | #else |
| 644 | #define h2g_valid(x) ({ \ |
| 645 | unsigned long __guest = (unsigned long)(x) - GUEST_BASE; \ |
| 646 | __guest < (1ul << TARGET_VIRT_ADDR_SPACE_BITS); \ |
| 647 | }) |
| 648 | #endif |
| 649 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 650 | #define h2g(x) ({ \ |
| 651 | unsigned long __ret = (unsigned long)(x) - GUEST_BASE; \ |
| 652 | /* Check if given address fits target address space */ \ |
David Turner | 5fbe340 | 2010-09-10 14:31:22 +0200 | [diff] [blame] | 653 | assert(h2g_valid(x)); \ |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 654 | (abi_ulong)__ret; \ |
| 655 | }) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 656 | |
| 657 | #define saddr(x) g2h(x) |
| 658 | #define laddr(x) g2h(x) |
| 659 | |
| 660 | #else /* !CONFIG_USER_ONLY */ |
| 661 | /* NOTE: we use double casts if pointers and target_ulong have |
| 662 | different sizes */ |
| 663 | #define saddr(x) (uint8_t *)(long)(x) |
| 664 | #define laddr(x) (uint8_t *)(long)(x) |
| 665 | #endif |
| 666 | |
| 667 | #define ldub_raw(p) ldub_p(laddr((p))) |
| 668 | #define ldsb_raw(p) ldsb_p(laddr((p))) |
| 669 | #define lduw_raw(p) lduw_p(laddr((p))) |
| 670 | #define ldsw_raw(p) ldsw_p(laddr((p))) |
| 671 | #define ldl_raw(p) ldl_p(laddr((p))) |
| 672 | #define ldq_raw(p) ldq_p(laddr((p))) |
| 673 | #define ldfl_raw(p) ldfl_p(laddr((p))) |
| 674 | #define ldfq_raw(p) ldfq_p(laddr((p))) |
| 675 | #define stb_raw(p, v) stb_p(saddr((p)), v) |
| 676 | #define stw_raw(p, v) stw_p(saddr((p)), v) |
| 677 | #define stl_raw(p, v) stl_p(saddr((p)), v) |
| 678 | #define stq_raw(p, v) stq_p(saddr((p)), v) |
| 679 | #define stfl_raw(p, v) stfl_p(saddr((p)), v) |
| 680 | #define stfq_raw(p, v) stfq_p(saddr((p)), v) |
| 681 | |
| 682 | |
| 683 | #if defined(CONFIG_USER_ONLY) |
| 684 | |
| 685 | /* if user mode, no other memory access functions */ |
| 686 | #define ldub(p) ldub_raw(p) |
| 687 | #define ldsb(p) ldsb_raw(p) |
| 688 | #define lduw(p) lduw_raw(p) |
| 689 | #define ldsw(p) ldsw_raw(p) |
| 690 | #define ldl(p) ldl_raw(p) |
| 691 | #define ldq(p) ldq_raw(p) |
| 692 | #define ldfl(p) ldfl_raw(p) |
| 693 | #define ldfq(p) ldfq_raw(p) |
| 694 | #define stb(p, v) stb_raw(p, v) |
| 695 | #define stw(p, v) stw_raw(p, v) |
| 696 | #define stl(p, v) stl_raw(p, v) |
| 697 | #define stq(p, v) stq_raw(p, v) |
| 698 | #define stfl(p, v) stfl_raw(p, v) |
| 699 | #define stfq(p, v) stfq_raw(p, v) |
| 700 | |
| 701 | #define ldub_code(p) ldub_raw(p) |
| 702 | #define ldsb_code(p) ldsb_raw(p) |
| 703 | #define lduw_code(p) lduw_raw(p) |
| 704 | #define ldsw_code(p) ldsw_raw(p) |
| 705 | #define ldl_code(p) ldl_raw(p) |
| 706 | #define ldq_code(p) ldq_raw(p) |
| 707 | |
| 708 | #define ldub_kernel(p) ldub_raw(p) |
| 709 | #define ldsb_kernel(p) ldsb_raw(p) |
| 710 | #define lduw_kernel(p) lduw_raw(p) |
| 711 | #define ldsw_kernel(p) ldsw_raw(p) |
| 712 | #define ldl_kernel(p) ldl_raw(p) |
| 713 | #define ldq_kernel(p) ldq_raw(p) |
| 714 | #define ldfl_kernel(p) ldfl_raw(p) |
| 715 | #define ldfq_kernel(p) ldfq_raw(p) |
| 716 | #define stb_kernel(p, v) stb_raw(p, v) |
| 717 | #define stw_kernel(p, v) stw_raw(p, v) |
| 718 | #define stl_kernel(p, v) stl_raw(p, v) |
| 719 | #define stq_kernel(p, v) stq_raw(p, v) |
| 720 | #define stfl_kernel(p, v) stfl_raw(p, v) |
| 721 | #define stfq_kernel(p, vt) stfq_raw(p, v) |
| 722 | |
| 723 | #endif /* defined(CONFIG_USER_ONLY) */ |
| 724 | |
| 725 | /* page related stuff */ |
| 726 | |
| 727 | #define TARGET_PAGE_SIZE (1 << TARGET_PAGE_BITS) |
| 728 | #define TARGET_PAGE_MASK ~(TARGET_PAGE_SIZE - 1) |
| 729 | #define TARGET_PAGE_ALIGN(addr) (((addr) + TARGET_PAGE_SIZE - 1) & TARGET_PAGE_MASK) |
| 730 | |
| 731 | /* ??? These should be the larger of unsigned long and target_ulong. */ |
| 732 | extern unsigned long qemu_real_host_page_size; |
| 733 | extern unsigned long qemu_host_page_bits; |
| 734 | extern unsigned long qemu_host_page_size; |
| 735 | extern unsigned long qemu_host_page_mask; |
| 736 | |
| 737 | #define HOST_PAGE_ALIGN(addr) (((addr) + qemu_host_page_size - 1) & qemu_host_page_mask) |
| 738 | |
| 739 | /* same as PROT_xxx */ |
| 740 | #define PAGE_READ 0x0001 |
| 741 | #define PAGE_WRITE 0x0002 |
| 742 | #define PAGE_EXEC 0x0004 |
| 743 | #define PAGE_BITS (PAGE_READ | PAGE_WRITE | PAGE_EXEC) |
| 744 | #define PAGE_VALID 0x0008 |
| 745 | /* original state of the write flag (used when tracking self-modifying |
| 746 | code */ |
| 747 | #define PAGE_WRITE_ORG 0x0010 |
David Turner | 5fbe340 | 2010-09-10 14:31:22 +0200 | [diff] [blame] | 748 | #if defined(CONFIG_BSD) && defined(CONFIG_USER_ONLY) |
| 749 | /* FIXME: Code that sets/uses this is broken and needs to go away. */ |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 750 | #define PAGE_RESERVED 0x0020 |
David Turner | 5fbe340 | 2010-09-10 14:31:22 +0200 | [diff] [blame] | 751 | #endif |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 752 | |
David Turner | 5fbe340 | 2010-09-10 14:31:22 +0200 | [diff] [blame] | 753 | #if defined(CONFIG_USER_ONLY) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 754 | void page_dump(FILE *f); |
David Turner | 5fbe340 | 2010-09-10 14:31:22 +0200 | [diff] [blame] | 755 | |
| 756 | typedef int (*walk_memory_regions_fn)(void *, abi_ulong, |
| 757 | abi_ulong, unsigned long); |
| 758 | int walk_memory_regions(void *, walk_memory_regions_fn); |
| 759 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 760 | int page_get_flags(target_ulong address); |
| 761 | void page_set_flags(target_ulong start, target_ulong end, int flags); |
| 762 | int page_check_range(target_ulong start, target_ulong len, int flags); |
David Turner | 5fbe340 | 2010-09-10 14:31:22 +0200 | [diff] [blame] | 763 | #endif |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 764 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 765 | CPUState *cpu_copy(CPUState *env); |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 766 | CPUState *qemu_get_cpu(int cpu); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 767 | |
| 768 | void cpu_dump_state(CPUState *env, FILE *f, |
| 769 | int (*cpu_fprintf)(FILE *f, const char *fmt, ...), |
| 770 | int flags); |
| 771 | void cpu_dump_statistics (CPUState *env, FILE *f, |
| 772 | int (*cpu_fprintf)(FILE *f, const char *fmt, ...), |
| 773 | int flags); |
| 774 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 775 | void QEMU_NORETURN cpu_abort(CPUState *env, const char *fmt, ...) |
| 776 | __attribute__ ((__format__ (__printf__, 2, 3))); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 777 | extern CPUState *first_cpu; |
| 778 | extern CPUState *cpu_single_env; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 779 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 780 | #define CPU_INTERRUPT_HARD 0x02 /* hardware interrupt pending */ |
| 781 | #define CPU_INTERRUPT_EXITTB 0x04 /* exit the current TB (use for x86 a20 case) */ |
| 782 | #define CPU_INTERRUPT_TIMER 0x08 /* internal timer exception pending */ |
| 783 | #define CPU_INTERRUPT_FIQ 0x10 /* Fast interrupt pending. */ |
| 784 | #define CPU_INTERRUPT_HALT 0x20 /* CPU halt wanted */ |
| 785 | #define CPU_INTERRUPT_SMI 0x40 /* (x86 only) SMI interrupt pending */ |
| 786 | #define CPU_INTERRUPT_DEBUG 0x80 /* Debug event occured. */ |
| 787 | #define CPU_INTERRUPT_VIRQ 0x100 /* virtual interrupt pending. */ |
| 788 | #define CPU_INTERRUPT_NMI 0x200 /* NMI pending. */ |
David 'Digit' Turner | 3266b51 | 2010-05-10 18:44:56 -0700 | [diff] [blame] | 789 | #define CPU_INTERRUPT_INIT 0x400 /* INIT pending. */ |
| 790 | #define CPU_INTERRUPT_SIPI 0x800 /* SIPI pending. */ |
| 791 | #define CPU_INTERRUPT_MCE 0x1000 /* (x86 only) MCE pending. */ |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 792 | |
| 793 | void cpu_interrupt(CPUState *s, int mask); |
| 794 | void cpu_reset_interrupt(CPUState *env, int mask); |
| 795 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 796 | void cpu_exit(CPUState *s); |
| 797 | |
| 798 | int qemu_cpu_has_work(CPUState *env); |
| 799 | |
| 800 | /* Breakpoint/watchpoint flags */ |
| 801 | #define BP_MEM_READ 0x01 |
| 802 | #define BP_MEM_WRITE 0x02 |
| 803 | #define BP_MEM_ACCESS (BP_MEM_READ | BP_MEM_WRITE) |
| 804 | #define BP_STOP_BEFORE_ACCESS 0x04 |
| 805 | #define BP_WATCHPOINT_HIT 0x08 |
| 806 | #define BP_GDB 0x10 |
| 807 | #define BP_CPU 0x20 |
| 808 | |
| 809 | int cpu_breakpoint_insert(CPUState *env, target_ulong pc, int flags, |
| 810 | CPUBreakpoint **breakpoint); |
| 811 | int cpu_breakpoint_remove(CPUState *env, target_ulong pc, int flags); |
| 812 | void cpu_breakpoint_remove_by_ref(CPUState *env, CPUBreakpoint *breakpoint); |
| 813 | void cpu_breakpoint_remove_all(CPUState *env, int mask); |
| 814 | int cpu_watchpoint_insert(CPUState *env, target_ulong addr, target_ulong len, |
| 815 | int flags, CPUWatchpoint **watchpoint); |
| 816 | int cpu_watchpoint_remove(CPUState *env, target_ulong addr, |
| 817 | target_ulong len, int flags); |
| 818 | void cpu_watchpoint_remove_by_ref(CPUState *env, CPUWatchpoint *watchpoint); |
| 819 | void cpu_watchpoint_remove_all(CPUState *env, int mask); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 820 | |
| 821 | #define SSTEP_ENABLE 0x1 /* Enable simulated HW single stepping */ |
| 822 | #define SSTEP_NOIRQ 0x2 /* Do not use IRQ while single stepping */ |
| 823 | #define SSTEP_NOTIMER 0x4 /* Do not Timers while single stepping */ |
| 824 | |
| 825 | void cpu_single_step(CPUState *env, int enabled); |
| 826 | void cpu_reset(CPUState *s); |
David Turner | 5fbe340 | 2010-09-10 14:31:22 +0200 | [diff] [blame] | 827 | int cpu_is_stopped(CPUState *env); |
| 828 | void run_on_cpu(CPUState *env, void (*func)(void *data), void *data); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 829 | |
| 830 | #define CPU_LOG_TB_OUT_ASM (1 << 0) |
| 831 | #define CPU_LOG_TB_IN_ASM (1 << 1) |
| 832 | #define CPU_LOG_TB_OP (1 << 2) |
| 833 | #define CPU_LOG_TB_OP_OPT (1 << 3) |
| 834 | #define CPU_LOG_INT (1 << 4) |
| 835 | #define CPU_LOG_EXEC (1 << 5) |
| 836 | #define CPU_LOG_PCALL (1 << 6) |
| 837 | #define CPU_LOG_IOPORT (1 << 7) |
| 838 | #define CPU_LOG_TB_CPU (1 << 8) |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 839 | #define CPU_LOG_RESET (1 << 9) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 840 | |
| 841 | /* define log items */ |
| 842 | typedef struct CPULogItem { |
| 843 | int mask; |
| 844 | const char *name; |
| 845 | const char *help; |
| 846 | } CPULogItem; |
| 847 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 848 | extern const CPULogItem cpu_log_items[]; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 849 | |
| 850 | void cpu_set_log(int log_flags); |
| 851 | void cpu_set_log_filename(const char *filename); |
| 852 | int cpu_str_to_log_mask(const char *str); |
| 853 | |
| 854 | /* IO ports API */ |
David 'Digit' Turner | 3266b51 | 2010-05-10 18:44:56 -0700 | [diff] [blame] | 855 | #include "ioport.h" |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 856 | |
David Turner | 5fbe340 | 2010-09-10 14:31:22 +0200 | [diff] [blame] | 857 | /* Return the physical page corresponding to a virtual one. Use it |
| 858 | only for debugging because no protection checks are done. Return -1 |
| 859 | if no page found. */ |
| 860 | target_phys_addr_t cpu_get_phys_page_debug(CPUState *env, target_ulong addr); |
| 861 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 862 | /* memory API */ |
| 863 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 864 | extern int phys_ram_fd; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 865 | extern uint8_t *phys_ram_dirty; |
| 866 | extern ram_addr_t ram_size; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 867 | extern ram_addr_t last_ram_offset; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 868 | |
| 869 | /* physical memory access */ |
| 870 | |
| 871 | /* MMIO pages are identified by a combination of an IO device index and |
| 872 | 3 flags. The ROMD code stores the page ram offset in iotlb entry, |
| 873 | so only a limited number of ids are avaiable. */ |
| 874 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 875 | #define IO_MEM_NB_ENTRIES (1 << (TARGET_PAGE_BITS - IO_MEM_SHIFT)) |
| 876 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 877 | /* Flags stored in the low bits of the TLB virtual address. These are |
| 878 | defined so that fast path ram access is all zeros. */ |
| 879 | /* Zero if TLB entry is valid. */ |
| 880 | #define TLB_INVALID_MASK (1 << 3) |
| 881 | /* Set if TLB entry references a clean RAM page. The iotlb entry will |
| 882 | contain the page physical address. */ |
| 883 | #define TLB_NOTDIRTY (1 << 4) |
| 884 | /* Set if TLB entry is an IO callback. */ |
| 885 | #define TLB_MMIO (1 << 5) |
| 886 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 887 | #define VGA_DIRTY_FLAG 0x01 |
| 888 | #define CODE_DIRTY_FLAG 0x02 |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 889 | #define MIGRATION_DIRTY_FLAG 0x08 |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 890 | |
| 891 | /* read dirty bit (return 0 or 1) */ |
| 892 | static inline int cpu_physical_memory_is_dirty(ram_addr_t addr) |
| 893 | { |
| 894 | return phys_ram_dirty[addr >> TARGET_PAGE_BITS] == 0xff; |
| 895 | } |
| 896 | |
| 897 | static inline int cpu_physical_memory_get_dirty(ram_addr_t addr, |
| 898 | int dirty_flags) |
| 899 | { |
| 900 | return phys_ram_dirty[addr >> TARGET_PAGE_BITS] & dirty_flags; |
| 901 | } |
| 902 | |
| 903 | static inline void cpu_physical_memory_set_dirty(ram_addr_t addr) |
| 904 | { |
| 905 | phys_ram_dirty[addr >> TARGET_PAGE_BITS] = 0xff; |
| 906 | } |
| 907 | |
| 908 | void cpu_physical_memory_reset_dirty(ram_addr_t start, ram_addr_t end, |
| 909 | int dirty_flags); |
| 910 | void cpu_tlb_update_dirty(CPUState *env); |
| 911 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 912 | int cpu_physical_memory_set_dirty_tracking(int enable); |
| 913 | |
| 914 | int cpu_physical_memory_get_dirty_tracking(void); |
| 915 | |
| 916 | int cpu_physical_sync_dirty_bitmap(target_phys_addr_t start_addr, |
| 917 | target_phys_addr_t end_addr); |
| 918 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 919 | void dump_exec_info(FILE *f, |
| 920 | int (*cpu_fprintf)(FILE *f, const char *fmt, ...)); |
| 921 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 922 | /* Coalesced MMIO regions are areas where write operations can be reordered. |
| 923 | * This usually implies that write operations are side-effect free. This allows |
| 924 | * batching which can make a major impact on performance when using |
| 925 | * virtualization. |
| 926 | */ |
| 927 | void qemu_register_coalesced_mmio(target_phys_addr_t addr, ram_addr_t size); |
| 928 | |
| 929 | void qemu_unregister_coalesced_mmio(target_phys_addr_t addr, ram_addr_t size); |
| 930 | |
David 'Digit' Turner | 9251866 | 2010-05-10 23:26:01 -0700 | [diff] [blame] | 931 | void qemu_flush_coalesced_mmio_buffer(void); |
| 932 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 933 | |
| 934 | /* profiling */ |
| 935 | #ifdef CONFIG_PROFILER |
| 936 | static inline int64_t profile_getclock(void) |
| 937 | { |
| 938 | return cpu_get_real_ticks(); |
| 939 | } |
| 940 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 941 | extern int64_t qemu_time, qemu_time_start; |
| 942 | extern int64_t tlb_flush_time; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 943 | extern int64_t dev_time; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 944 | #endif |
| 945 | |
David Turner | 5fbe340 | 2010-09-10 14:31:22 +0200 | [diff] [blame] | 946 | int cpu_memory_rw_debug(CPUState *env, target_ulong addr, |
| 947 | uint8_t *buf, int len, int is_write); |
| 948 | |
David 'Digit' Turner | 3266b51 | 2010-05-10 18:44:56 -0700 | [diff] [blame] | 949 | void cpu_inject_x86_mce(CPUState *cenv, int bank, uint64_t status, |
| 950 | uint64_t mcg_status, uint64_t addr, uint64_t misc); |
| 951 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 952 | #endif /* CPU_ALL_H */ |