Bastian Koppelmann | 48e06fe | 2014-09-01 12:59:46 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2012-2014 Bastian Koppelmann C-Lab/University Paderborn |
| 3 | * |
| 4 | * This library is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU Lesser General Public |
| 6 | * License as published by the Free Software Foundation; either |
Thomas Huth | 02754ac | 2019-01-23 15:08:55 +0100 | [diff] [blame] | 7 | * version 2.1 of the License, or (at your option) any later version. |
Bastian Koppelmann | 48e06fe | 2014-09-01 12:59:46 +0100 | [diff] [blame] | 8 | * |
| 9 | * This library is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 | * Lesser General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU Lesser General Public |
| 15 | * License along with this library; if not, see <http://www.gnu.org/licenses/>. |
| 16 | */ |
Peter Maydell | 61d9f32 | 2016-01-26 18:17:26 +0000 | [diff] [blame] | 17 | #include "qemu/osdep.h" |
Bastian Koppelmann | 48e06fe | 2014-09-01 12:59:46 +0100 | [diff] [blame] | 18 | #include "cpu.h" |
| 19 | #include "qemu/host-utils.h" |
| 20 | #include "exec/helper-proto.h" |
Paolo Bonzini | 63c9155 | 2016-03-15 13:18:37 +0100 | [diff] [blame] | 21 | #include "exec/exec-all.h" |
Bastian Koppelmann | 48e06fe | 2014-09-01 12:59:46 +0100 | [diff] [blame] | 22 | #include "exec/cpu_ldst.h" |
Bastian Koppelmann | e5c96c8 | 2015-05-07 19:55:37 +0200 | [diff] [blame] | 23 | #include <zlib.h> /* for crc32 */ |
Bastian Koppelmann | 48e06fe | 2014-09-01 12:59:46 +0100 | [diff] [blame] | 24 | |
Bastian Koppelmann | 518d7fd | 2016-02-19 14:43:43 +0100 | [diff] [blame] | 25 | |
| 26 | /* Exception helpers */ |
| 27 | |
| 28 | static void QEMU_NORETURN |
| 29 | raise_exception_sync_internal(CPUTriCoreState *env, uint32_t class, int tin, |
| 30 | uintptr_t pc, uint32_t fcd_pc) |
| 31 | { |
Richard Henderson | 06eb2e2 | 2019-03-22 19:39:59 -0700 | [diff] [blame] | 32 | CPUState *cs = env_cpu(env); |
Bastian Koppelmann | 518d7fd | 2016-02-19 14:43:43 +0100 | [diff] [blame] | 33 | /* in case we come from a helper-call we need to restore the PC */ |
Pavel Dovgalyuk | afd46fc | 2018-04-09 12:13:20 +0300 | [diff] [blame] | 34 | cpu_restore_state(cs, pc, true); |
Bastian Koppelmann | 518d7fd | 2016-02-19 14:43:43 +0100 | [diff] [blame] | 35 | |
| 36 | /* Tin is loaded into d[15] */ |
| 37 | env->gpr_d[15] = tin; |
| 38 | |
| 39 | if (class == TRAPC_CTX_MNG && tin == TIN3_FCU) { |
| 40 | /* upper context cannot be saved, if the context list is empty */ |
| 41 | } else { |
| 42 | helper_svucx(env); |
| 43 | } |
| 44 | |
| 45 | /* The return address in a[11] is updated */ |
| 46 | if (class == TRAPC_CTX_MNG && tin == TIN3_FCD) { |
| 47 | env->SYSCON |= MASK_SYSCON_FCD_SF; |
| 48 | /* when we run out of CSAs after saving a context a FCD trap is taken |
| 49 | and the return address is the start of the trap handler which used |
| 50 | the last CSA */ |
| 51 | env->gpr_a[11] = fcd_pc; |
| 52 | } else if (class == TRAPC_SYSCALL) { |
| 53 | env->gpr_a[11] = env->PC + 4; |
| 54 | } else { |
| 55 | env->gpr_a[11] = env->PC; |
| 56 | } |
| 57 | /* The stack pointer in A[10] is set to the Interrupt Stack Pointer (ISP) |
| 58 | when the processor was not previously using the interrupt stack |
| 59 | (in case of PSW.IS = 0). The stack pointer bit is set for using the |
| 60 | interrupt stack: PSW.IS = 1. */ |
| 61 | if ((env->PSW & MASK_PSW_IS) == 0) { |
| 62 | env->gpr_a[10] = env->ISP; |
| 63 | } |
| 64 | env->PSW |= MASK_PSW_IS; |
| 65 | /* The I/O mode is set to Supervisor mode, which means all permissions |
| 66 | are enabled: PSW.IO = 10 B .*/ |
| 67 | env->PSW |= (2 << 10); |
| 68 | |
| 69 | /*The current Protection Register Set is set to 0: PSW.PRS = 00 B .*/ |
| 70 | env->PSW &= ~MASK_PSW_PRS; |
| 71 | |
| 72 | /* The Call Depth Counter (CDC) is cleared, and the call depth limit is |
| 73 | set for 64: PSW.CDC = 0000000 B .*/ |
| 74 | env->PSW &= ~MASK_PSW_CDC; |
| 75 | |
| 76 | /* Call Depth Counter is enabled, PSW.CDE = 1. */ |
| 77 | env->PSW |= MASK_PSW_CDE; |
| 78 | |
| 79 | /* Write permission to global registers A[0], A[1], A[8], A[9] is |
| 80 | disabled: PSW.GW = 0. */ |
| 81 | env->PSW &= ~MASK_PSW_GW; |
| 82 | |
| 83 | /*The interrupt system is globally disabled: ICR.IE = 0. The ‘old’ |
| 84 | ICR.IE and ICR.CCPN are saved */ |
| 85 | |
| 86 | /* PCXI.PIE = ICR.IE */ |
David Brenken | ce46335 | 2018-03-01 16:56:19 +0100 | [diff] [blame] | 87 | env->PCXI = ((env->PCXI & ~MASK_PCXI_PIE_1_3) + |
David Brenken | d1cbc28 | 2018-03-01 16:56:18 +0100 | [diff] [blame] | 88 | ((env->ICR & MASK_ICR_IE_1_3) << 15)); |
Bastian Koppelmann | 518d7fd | 2016-02-19 14:43:43 +0100 | [diff] [blame] | 89 | /* PCXI.PCPN = ICR.CCPN */ |
| 90 | env->PCXI = (env->PCXI & 0xffffff) + |
| 91 | ((env->ICR & MASK_ICR_CCPN) << 24); |
| 92 | /* Update PC using the trap vector table */ |
| 93 | env->PC = env->BTV | (class << 5); |
| 94 | |
| 95 | cpu_loop_exit(cs); |
| 96 | } |
| 97 | |
| 98 | void helper_raise_exception_sync(CPUTriCoreState *env, uint32_t class, |
| 99 | uint32_t tin) |
| 100 | { |
| 101 | raise_exception_sync_internal(env, class, tin, 0, 0); |
| 102 | } |
| 103 | |
Bastian Koppelmann | 3292b44 | 2016-02-19 14:43:44 +0100 | [diff] [blame] | 104 | static void raise_exception_sync_helper(CPUTriCoreState *env, uint32_t class, |
| 105 | uint32_t tin, uintptr_t pc) |
| 106 | { |
| 107 | raise_exception_sync_internal(env, class, tin, pc, 0); |
| 108 | } |
| 109 | |
Bastian Koppelmann | 17ebc8c | 2019-08-21 11:02:23 +0200 | [diff] [blame] | 110 | void helper_qemu_excp(CPUTriCoreState *env, uint32_t excp) |
| 111 | { |
| 112 | CPUState *cs = env_cpu(env); |
| 113 | cs->exception_index = excp; |
| 114 | cpu_loop_exit(cs); |
| 115 | } |
| 116 | |
Bastian Koppelmann | 3a16ecb | 2014-09-26 20:36:09 +0100 | [diff] [blame] | 117 | /* Addressing mode helper */ |
| 118 | |
| 119 | static uint16_t reverse16(uint16_t val) |
| 120 | { |
| 121 | uint8_t high = (uint8_t)(val >> 8); |
| 122 | uint8_t low = (uint8_t)(val & 0xff); |
| 123 | |
| 124 | uint16_t rh, rl; |
| 125 | |
| 126 | rl = (uint16_t)((high * 0x0202020202ULL & 0x010884422010ULL) % 1023); |
| 127 | rh = (uint16_t)((low * 0x0202020202ULL & 0x010884422010ULL) % 1023); |
| 128 | |
| 129 | return (rh << 8) | rl; |
| 130 | } |
| 131 | |
| 132 | uint32_t helper_br_update(uint32_t reg) |
| 133 | { |
| 134 | uint32_t index = reg & 0xffff; |
| 135 | uint32_t incr = reg >> 16; |
| 136 | uint32_t new_index = reverse16(reverse16(index) + reverse16(incr)); |
| 137 | return reg - index + new_index; |
| 138 | } |
| 139 | |
| 140 | uint32_t helper_circ_update(uint32_t reg, uint32_t off) |
| 141 | { |
| 142 | uint32_t index = reg & 0xffff; |
| 143 | uint32_t length = reg >> 16; |
| 144 | int32_t new_index = index + off; |
| 145 | if (new_index < 0) { |
| 146 | new_index += length; |
| 147 | } else { |
| 148 | new_index %= length; |
| 149 | } |
| 150 | return reg - index + new_index; |
| 151 | } |
| 152 | |
Bastian Koppelmann | e4e3917 | 2014-11-27 13:45:09 +0000 | [diff] [blame] | 153 | static uint32_t ssov32(CPUTriCoreState *env, int64_t arg) |
| 154 | { |
| 155 | uint32_t ret; |
| 156 | int64_t max_pos = INT32_MAX; |
| 157 | int64_t max_neg = INT32_MIN; |
| 158 | if (arg > max_pos) { |
| 159 | env->PSW_USB_V = (1 << 31); |
| 160 | env->PSW_USB_SV = (1 << 31); |
| 161 | ret = (target_ulong)max_pos; |
| 162 | } else { |
| 163 | if (arg < max_neg) { |
| 164 | env->PSW_USB_V = (1 << 31); |
| 165 | env->PSW_USB_SV = (1 << 31); |
| 166 | ret = (target_ulong)max_neg; |
| 167 | } else { |
| 168 | env->PSW_USB_V = 0; |
| 169 | ret = (target_ulong)arg; |
| 170 | } |
| 171 | } |
| 172 | env->PSW_USB_AV = arg ^ arg * 2u; |
| 173 | env->PSW_USB_SAV |= env->PSW_USB_AV; |
| 174 | return ret; |
| 175 | } |
Bastian Koppelmann | 2692802 | 2014-09-01 12:59:52 +0100 | [diff] [blame] | 176 | |
Bastian Koppelmann | 85d604a | 2015-01-19 14:28:59 +0000 | [diff] [blame] | 177 | static uint32_t suov32_pos(CPUTriCoreState *env, uint64_t arg) |
Bastian Koppelmann | e4e3917 | 2014-11-27 13:45:09 +0000 | [diff] [blame] | 178 | { |
| 179 | uint32_t ret; |
Bastian Koppelmann | 85d604a | 2015-01-19 14:28:59 +0000 | [diff] [blame] | 180 | uint64_t max_pos = UINT32_MAX; |
Bastian Koppelmann | e4e3917 | 2014-11-27 13:45:09 +0000 | [diff] [blame] | 181 | if (arg > max_pos) { |
| 182 | env->PSW_USB_V = (1 << 31); |
| 183 | env->PSW_USB_SV = (1 << 31); |
| 184 | ret = (target_ulong)max_pos; |
| 185 | } else { |
Bastian Koppelmann | 85d604a | 2015-01-19 14:28:59 +0000 | [diff] [blame] | 186 | env->PSW_USB_V = 0; |
| 187 | ret = (target_ulong)arg; |
Bastian Koppelmann | e4e3917 | 2014-11-27 13:45:09 +0000 | [diff] [blame] | 188 | } |
| 189 | env->PSW_USB_AV = arg ^ arg * 2u; |
| 190 | env->PSW_USB_SAV |= env->PSW_USB_AV; |
| 191 | return ret; |
| 192 | } |
Bastian Koppelmann | 0974257 | 2014-10-26 21:49:41 +0000 | [diff] [blame] | 193 | |
Bastian Koppelmann | 85d604a | 2015-01-19 14:28:59 +0000 | [diff] [blame] | 194 | static uint32_t suov32_neg(CPUTriCoreState *env, int64_t arg) |
| 195 | { |
| 196 | uint32_t ret; |
| 197 | |
| 198 | if (arg < 0) { |
| 199 | env->PSW_USB_V = (1 << 31); |
| 200 | env->PSW_USB_SV = (1 << 31); |
| 201 | ret = 0; |
| 202 | } else { |
| 203 | env->PSW_USB_V = 0; |
| 204 | ret = (target_ulong)arg; |
| 205 | } |
| 206 | env->PSW_USB_AV = arg ^ arg * 2u; |
| 207 | env->PSW_USB_SAV |= env->PSW_USB_AV; |
| 208 | return ret; |
| 209 | } |
| 210 | |
Bastian Koppelmann | d5de783 | 2014-11-27 14:30:33 +0000 | [diff] [blame] | 211 | static uint32_t ssov16(CPUTriCoreState *env, int32_t hw0, int32_t hw1) |
| 212 | { |
| 213 | int32_t max_pos = INT16_MAX; |
| 214 | int32_t max_neg = INT16_MIN; |
| 215 | int32_t av0, av1; |
| 216 | |
| 217 | env->PSW_USB_V = 0; |
| 218 | av0 = hw0 ^ hw0 * 2u; |
| 219 | if (hw0 > max_pos) { |
| 220 | env->PSW_USB_V = (1 << 31); |
| 221 | hw0 = max_pos; |
| 222 | } else if (hw0 < max_neg) { |
| 223 | env->PSW_USB_V = (1 << 31); |
| 224 | hw0 = max_neg; |
| 225 | } |
| 226 | |
| 227 | av1 = hw1 ^ hw1 * 2u; |
| 228 | if (hw1 > max_pos) { |
| 229 | env->PSW_USB_V = (1 << 31); |
| 230 | hw1 = max_pos; |
| 231 | } else if (hw1 < max_neg) { |
| 232 | env->PSW_USB_V = (1 << 31); |
| 233 | hw1 = max_neg; |
| 234 | } |
| 235 | |
| 236 | env->PSW_USB_SV |= env->PSW_USB_V; |
| 237 | env->PSW_USB_AV = (av0 | av1) << 16; |
| 238 | env->PSW_USB_SAV |= env->PSW_USB_AV; |
| 239 | return (hw0 & 0xffff) | (hw1 << 16); |
| 240 | } |
| 241 | |
| 242 | static uint32_t suov16(CPUTriCoreState *env, int32_t hw0, int32_t hw1) |
| 243 | { |
| 244 | int32_t max_pos = UINT16_MAX; |
| 245 | int32_t av0, av1; |
| 246 | |
| 247 | env->PSW_USB_V = 0; |
| 248 | av0 = hw0 ^ hw0 * 2u; |
| 249 | if (hw0 > max_pos) { |
| 250 | env->PSW_USB_V = (1 << 31); |
| 251 | hw0 = max_pos; |
| 252 | } else if (hw0 < 0) { |
| 253 | env->PSW_USB_V = (1 << 31); |
| 254 | hw0 = 0; |
| 255 | } |
| 256 | |
| 257 | av1 = hw1 ^ hw1 * 2u; |
| 258 | if (hw1 > max_pos) { |
| 259 | env->PSW_USB_V = (1 << 31); |
| 260 | hw1 = max_pos; |
| 261 | } else if (hw1 < 0) { |
| 262 | env->PSW_USB_V = (1 << 31); |
| 263 | hw1 = 0; |
| 264 | } |
| 265 | |
| 266 | env->PSW_USB_SV |= env->PSW_USB_V; |
| 267 | env->PSW_USB_AV = (av0 | av1) << 16; |
| 268 | env->PSW_USB_SAV |= env->PSW_USB_AV; |
| 269 | return (hw0 & 0xffff) | (hw1 << 16); |
| 270 | } |
Bastian Koppelmann | 0974257 | 2014-10-26 21:49:41 +0000 | [diff] [blame] | 271 | |
Bastian Koppelmann | 2692802 | 2014-09-01 12:59:52 +0100 | [diff] [blame] | 272 | target_ulong helper_add_ssov(CPUTriCoreState *env, target_ulong r1, |
| 273 | target_ulong r2) |
| 274 | { |
Bastian Koppelmann | 2692802 | 2014-09-01 12:59:52 +0100 | [diff] [blame] | 275 | int64_t t1 = sextract64(r1, 0, 32); |
| 276 | int64_t t2 = sextract64(r2, 0, 32); |
| 277 | int64_t result = t1 + t2; |
Bastian Koppelmann | e4e3917 | 2014-11-27 13:45:09 +0000 | [diff] [blame] | 278 | return ssov32(env, result); |
Bastian Koppelmann | 2692802 | 2014-09-01 12:59:52 +0100 | [diff] [blame] | 279 | } |
| 280 | |
Bastian Koppelmann | 2e430e1 | 2015-01-29 15:35:56 +0000 | [diff] [blame] | 281 | uint64_t helper_add64_ssov(CPUTriCoreState *env, uint64_t r1, uint64_t r2) |
| 282 | { |
| 283 | uint64_t result; |
| 284 | int64_t ovf; |
| 285 | |
| 286 | result = r1 + r2; |
| 287 | ovf = (result ^ r1) & ~(r1 ^ r2); |
| 288 | env->PSW_USB_AV = (result ^ result * 2u) >> 32; |
| 289 | env->PSW_USB_SAV |= env->PSW_USB_AV; |
| 290 | if (ovf < 0) { |
| 291 | env->PSW_USB_V = (1 << 31); |
| 292 | env->PSW_USB_SV = (1 << 31); |
| 293 | /* ext_ret > MAX_INT */ |
| 294 | if ((int64_t)r1 >= 0) { |
| 295 | result = INT64_MAX; |
| 296 | /* ext_ret < MIN_INT */ |
| 297 | } else { |
| 298 | result = INT64_MIN; |
| 299 | } |
| 300 | } else { |
| 301 | env->PSW_USB_V = 0; |
| 302 | } |
| 303 | return result; |
| 304 | } |
| 305 | |
Bastian Koppelmann | d5de783 | 2014-11-27 14:30:33 +0000 | [diff] [blame] | 306 | target_ulong helper_add_h_ssov(CPUTriCoreState *env, target_ulong r1, |
| 307 | target_ulong r2) |
| 308 | { |
| 309 | int32_t ret_hw0, ret_hw1; |
| 310 | |
| 311 | ret_hw0 = sextract32(r1, 0, 16) + sextract32(r2, 0, 16); |
| 312 | ret_hw1 = sextract32(r1, 16, 16) + sextract32(r2, 16, 16); |
| 313 | return ssov16(env, ret_hw0, ret_hw1); |
| 314 | } |
| 315 | |
Bastian Koppelmann | 2e430e1 | 2015-01-29 15:35:56 +0000 | [diff] [blame] | 316 | uint32_t helper_addr_h_ssov(CPUTriCoreState *env, uint64_t r1, uint32_t r2_l, |
| 317 | uint32_t r2_h) |
| 318 | { |
| 319 | int64_t mul_res0 = sextract64(r1, 0, 32); |
| 320 | int64_t mul_res1 = sextract64(r1, 32, 32); |
| 321 | int64_t r2_low = sextract64(r2_l, 0, 32); |
| 322 | int64_t r2_high = sextract64(r2_h, 0, 32); |
| 323 | int64_t result0, result1; |
| 324 | uint32_t ovf0, ovf1; |
| 325 | uint32_t avf0, avf1; |
| 326 | |
| 327 | ovf0 = ovf1 = 0; |
| 328 | |
| 329 | result0 = r2_low + mul_res0 + 0x8000; |
| 330 | result1 = r2_high + mul_res1 + 0x8000; |
| 331 | |
| 332 | avf0 = result0 * 2u; |
| 333 | avf0 = result0 ^ avf0; |
| 334 | avf1 = result1 * 2u; |
| 335 | avf1 = result1 ^ avf1; |
| 336 | |
| 337 | if (result0 > INT32_MAX) { |
| 338 | ovf0 = (1 << 31); |
| 339 | result0 = INT32_MAX; |
| 340 | } else if (result0 < INT32_MIN) { |
| 341 | ovf0 = (1 << 31); |
| 342 | result0 = INT32_MIN; |
| 343 | } |
| 344 | |
| 345 | if (result1 > INT32_MAX) { |
| 346 | ovf1 = (1 << 31); |
| 347 | result1 = INT32_MAX; |
| 348 | } else if (result1 < INT32_MIN) { |
| 349 | ovf1 = (1 << 31); |
| 350 | result1 = INT32_MIN; |
| 351 | } |
| 352 | |
| 353 | env->PSW_USB_V = ovf0 | ovf1; |
| 354 | env->PSW_USB_SV |= env->PSW_USB_V; |
| 355 | |
| 356 | env->PSW_USB_AV = avf0 | avf1; |
| 357 | env->PSW_USB_SAV |= env->PSW_USB_AV; |
| 358 | |
| 359 | return (result1 & 0xffff0000ULL) | ((result0 >> 16) & 0xffffULL); |
| 360 | } |
| 361 | |
Bastian Koppelmann | bebe80f | 2015-02-06 14:48:33 +0000 | [diff] [blame] | 362 | uint32_t helper_addsur_h_ssov(CPUTriCoreState *env, uint64_t r1, uint32_t r2_l, |
| 363 | uint32_t r2_h) |
| 364 | { |
| 365 | int64_t mul_res0 = sextract64(r1, 0, 32); |
| 366 | int64_t mul_res1 = sextract64(r1, 32, 32); |
| 367 | int64_t r2_low = sextract64(r2_l, 0, 32); |
| 368 | int64_t r2_high = sextract64(r2_h, 0, 32); |
| 369 | int64_t result0, result1; |
| 370 | uint32_t ovf0, ovf1; |
| 371 | uint32_t avf0, avf1; |
| 372 | |
| 373 | ovf0 = ovf1 = 0; |
| 374 | |
| 375 | result0 = r2_low - mul_res0 + 0x8000; |
| 376 | result1 = r2_high + mul_res1 + 0x8000; |
| 377 | |
| 378 | avf0 = result0 * 2u; |
| 379 | avf0 = result0 ^ avf0; |
| 380 | avf1 = result1 * 2u; |
| 381 | avf1 = result1 ^ avf1; |
| 382 | |
| 383 | if (result0 > INT32_MAX) { |
| 384 | ovf0 = (1 << 31); |
| 385 | result0 = INT32_MAX; |
| 386 | } else if (result0 < INT32_MIN) { |
| 387 | ovf0 = (1 << 31); |
| 388 | result0 = INT32_MIN; |
| 389 | } |
| 390 | |
| 391 | if (result1 > INT32_MAX) { |
| 392 | ovf1 = (1 << 31); |
| 393 | result1 = INT32_MAX; |
| 394 | } else if (result1 < INT32_MIN) { |
| 395 | ovf1 = (1 << 31); |
| 396 | result1 = INT32_MIN; |
| 397 | } |
| 398 | |
| 399 | env->PSW_USB_V = ovf0 | ovf1; |
| 400 | env->PSW_USB_SV |= env->PSW_USB_V; |
| 401 | |
| 402 | env->PSW_USB_AV = avf0 | avf1; |
| 403 | env->PSW_USB_SAV |= env->PSW_USB_AV; |
| 404 | |
| 405 | return (result1 & 0xffff0000ULL) | ((result0 >> 16) & 0xffffULL); |
| 406 | } |
| 407 | |
Bastian Koppelmann | 2e430e1 | 2015-01-29 15:35:56 +0000 | [diff] [blame] | 408 | |
Bastian Koppelmann | 0974257 | 2014-10-26 21:49:41 +0000 | [diff] [blame] | 409 | target_ulong helper_add_suov(CPUTriCoreState *env, target_ulong r1, |
| 410 | target_ulong r2) |
| 411 | { |
Bastian Koppelmann | 0974257 | 2014-10-26 21:49:41 +0000 | [diff] [blame] | 412 | int64_t t1 = extract64(r1, 0, 32); |
| 413 | int64_t t2 = extract64(r2, 0, 32); |
| 414 | int64_t result = t1 + t2; |
Bastian Koppelmann | 85d604a | 2015-01-19 14:28:59 +0000 | [diff] [blame] | 415 | return suov32_pos(env, result); |
Bastian Koppelmann | 0974257 | 2014-10-26 21:49:41 +0000 | [diff] [blame] | 416 | } |
| 417 | |
Bastian Koppelmann | d5de783 | 2014-11-27 14:30:33 +0000 | [diff] [blame] | 418 | target_ulong helper_add_h_suov(CPUTriCoreState *env, target_ulong r1, |
| 419 | target_ulong r2) |
| 420 | { |
| 421 | int32_t ret_hw0, ret_hw1; |
| 422 | |
| 423 | ret_hw0 = extract32(r1, 0, 16) + extract32(r2, 0, 16); |
| 424 | ret_hw1 = extract32(r1, 16, 16) + extract32(r2, 16, 16); |
| 425 | return suov16(env, ret_hw0, ret_hw1); |
| 426 | } |
| 427 | |
Bastian Koppelmann | 2692802 | 2014-09-01 12:59:52 +0100 | [diff] [blame] | 428 | target_ulong helper_sub_ssov(CPUTriCoreState *env, target_ulong r1, |
| 429 | target_ulong r2) |
| 430 | { |
Bastian Koppelmann | 2692802 | 2014-09-01 12:59:52 +0100 | [diff] [blame] | 431 | int64_t t1 = sextract64(r1, 0, 32); |
| 432 | int64_t t2 = sextract64(r2, 0, 32); |
| 433 | int64_t result = t1 - t2; |
Bastian Koppelmann | e4e3917 | 2014-11-27 13:45:09 +0000 | [diff] [blame] | 434 | return ssov32(env, result); |
Bastian Koppelmann | 2692802 | 2014-09-01 12:59:52 +0100 | [diff] [blame] | 435 | } |
| 436 | |
Bastian Koppelmann | f4aef47 | 2015-02-25 11:34:55 +0000 | [diff] [blame] | 437 | uint64_t helper_sub64_ssov(CPUTriCoreState *env, uint64_t r1, uint64_t r2) |
| 438 | { |
| 439 | uint64_t result; |
| 440 | int64_t ovf; |
| 441 | |
| 442 | result = r1 - r2; |
| 443 | ovf = (result ^ r1) & (r1 ^ r2); |
| 444 | env->PSW_USB_AV = (result ^ result * 2u) >> 32; |
| 445 | env->PSW_USB_SAV |= env->PSW_USB_AV; |
| 446 | if (ovf < 0) { |
| 447 | env->PSW_USB_V = (1 << 31); |
| 448 | env->PSW_USB_SV = (1 << 31); |
| 449 | /* ext_ret > MAX_INT */ |
| 450 | if ((int64_t)r1 >= 0) { |
| 451 | result = INT64_MAX; |
| 452 | /* ext_ret < MIN_INT */ |
| 453 | } else { |
| 454 | result = INT64_MIN; |
| 455 | } |
| 456 | } else { |
| 457 | env->PSW_USB_V = 0; |
| 458 | } |
| 459 | return result; |
| 460 | } |
| 461 | |
Bastian Koppelmann | d5de783 | 2014-11-27 14:30:33 +0000 | [diff] [blame] | 462 | target_ulong helper_sub_h_ssov(CPUTriCoreState *env, target_ulong r1, |
| 463 | target_ulong r2) |
| 464 | { |
| 465 | int32_t ret_hw0, ret_hw1; |
| 466 | |
| 467 | ret_hw0 = sextract32(r1, 0, 16) - sextract32(r2, 0, 16); |
| 468 | ret_hw1 = sextract32(r1, 16, 16) - sextract32(r2, 16, 16); |
| 469 | return ssov16(env, ret_hw0, ret_hw1); |
| 470 | } |
| 471 | |
Bastian Koppelmann | f4aef47 | 2015-02-25 11:34:55 +0000 | [diff] [blame] | 472 | uint32_t helper_subr_h_ssov(CPUTriCoreState *env, uint64_t r1, uint32_t r2_l, |
| 473 | uint32_t r2_h) |
| 474 | { |
| 475 | int64_t mul_res0 = sextract64(r1, 0, 32); |
| 476 | int64_t mul_res1 = sextract64(r1, 32, 32); |
| 477 | int64_t r2_low = sextract64(r2_l, 0, 32); |
| 478 | int64_t r2_high = sextract64(r2_h, 0, 32); |
| 479 | int64_t result0, result1; |
| 480 | uint32_t ovf0, ovf1; |
| 481 | uint32_t avf0, avf1; |
| 482 | |
| 483 | ovf0 = ovf1 = 0; |
| 484 | |
| 485 | result0 = r2_low - mul_res0 + 0x8000; |
| 486 | result1 = r2_high - mul_res1 + 0x8000; |
| 487 | |
| 488 | avf0 = result0 * 2u; |
| 489 | avf0 = result0 ^ avf0; |
| 490 | avf1 = result1 * 2u; |
| 491 | avf1 = result1 ^ avf1; |
| 492 | |
| 493 | if (result0 > INT32_MAX) { |
| 494 | ovf0 = (1 << 31); |
| 495 | result0 = INT32_MAX; |
| 496 | } else if (result0 < INT32_MIN) { |
| 497 | ovf0 = (1 << 31); |
| 498 | result0 = INT32_MIN; |
| 499 | } |
| 500 | |
| 501 | if (result1 > INT32_MAX) { |
| 502 | ovf1 = (1 << 31); |
| 503 | result1 = INT32_MAX; |
| 504 | } else if (result1 < INT32_MIN) { |
| 505 | ovf1 = (1 << 31); |
| 506 | result1 = INT32_MIN; |
| 507 | } |
| 508 | |
| 509 | env->PSW_USB_V = ovf0 | ovf1; |
| 510 | env->PSW_USB_SV |= env->PSW_USB_V; |
| 511 | |
| 512 | env->PSW_USB_AV = avf0 | avf1; |
| 513 | env->PSW_USB_SAV |= env->PSW_USB_AV; |
| 514 | |
| 515 | return (result1 & 0xffff0000ULL) | ((result0 >> 16) & 0xffffULL); |
| 516 | } |
| 517 | |
Bastian Koppelmann | 068fac7 | 2015-02-25 11:55:52 +0000 | [diff] [blame] | 518 | uint32_t helper_subadr_h_ssov(CPUTriCoreState *env, uint64_t r1, uint32_t r2_l, |
| 519 | uint32_t r2_h) |
| 520 | { |
| 521 | int64_t mul_res0 = sextract64(r1, 0, 32); |
| 522 | int64_t mul_res1 = sextract64(r1, 32, 32); |
| 523 | int64_t r2_low = sextract64(r2_l, 0, 32); |
| 524 | int64_t r2_high = sextract64(r2_h, 0, 32); |
| 525 | int64_t result0, result1; |
| 526 | uint32_t ovf0, ovf1; |
| 527 | uint32_t avf0, avf1; |
| 528 | |
| 529 | ovf0 = ovf1 = 0; |
| 530 | |
| 531 | result0 = r2_low + mul_res0 + 0x8000; |
| 532 | result1 = r2_high - mul_res1 + 0x8000; |
| 533 | |
| 534 | avf0 = result0 * 2u; |
| 535 | avf0 = result0 ^ avf0; |
| 536 | avf1 = result1 * 2u; |
| 537 | avf1 = result1 ^ avf1; |
| 538 | |
| 539 | if (result0 > INT32_MAX) { |
| 540 | ovf0 = (1 << 31); |
| 541 | result0 = INT32_MAX; |
| 542 | } else if (result0 < INT32_MIN) { |
| 543 | ovf0 = (1 << 31); |
| 544 | result0 = INT32_MIN; |
| 545 | } |
| 546 | |
| 547 | if (result1 > INT32_MAX) { |
| 548 | ovf1 = (1 << 31); |
| 549 | result1 = INT32_MAX; |
| 550 | } else if (result1 < INT32_MIN) { |
| 551 | ovf1 = (1 << 31); |
| 552 | result1 = INT32_MIN; |
| 553 | } |
| 554 | |
| 555 | env->PSW_USB_V = ovf0 | ovf1; |
| 556 | env->PSW_USB_SV |= env->PSW_USB_V; |
| 557 | |
| 558 | env->PSW_USB_AV = avf0 | avf1; |
| 559 | env->PSW_USB_SAV |= env->PSW_USB_AV; |
| 560 | |
| 561 | return (result1 & 0xffff0000ULL) | ((result0 >> 16) & 0xffffULL); |
| 562 | } |
| 563 | |
Bastian Koppelmann | 0974257 | 2014-10-26 21:49:41 +0000 | [diff] [blame] | 564 | target_ulong helper_sub_suov(CPUTriCoreState *env, target_ulong r1, |
| 565 | target_ulong r2) |
| 566 | { |
Bastian Koppelmann | 0974257 | 2014-10-26 21:49:41 +0000 | [diff] [blame] | 567 | int64_t t1 = extract64(r1, 0, 32); |
| 568 | int64_t t2 = extract64(r2, 0, 32); |
| 569 | int64_t result = t1 - t2; |
Bastian Koppelmann | 85d604a | 2015-01-19 14:28:59 +0000 | [diff] [blame] | 570 | return suov32_neg(env, result); |
Bastian Koppelmann | 0974257 | 2014-10-26 21:49:41 +0000 | [diff] [blame] | 571 | } |
| 572 | |
Bastian Koppelmann | d5de783 | 2014-11-27 14:30:33 +0000 | [diff] [blame] | 573 | target_ulong helper_sub_h_suov(CPUTriCoreState *env, target_ulong r1, |
| 574 | target_ulong r2) |
| 575 | { |
| 576 | int32_t ret_hw0, ret_hw1; |
| 577 | |
| 578 | ret_hw0 = extract32(r1, 0, 16) - extract32(r2, 0, 16); |
| 579 | ret_hw1 = extract32(r1, 16, 16) - extract32(r2, 16, 16); |
| 580 | return suov16(env, ret_hw0, ret_hw1); |
| 581 | } |
| 582 | |
Bastian Koppelmann | 0974257 | 2014-10-26 21:49:41 +0000 | [diff] [blame] | 583 | target_ulong helper_mul_ssov(CPUTriCoreState *env, target_ulong r1, |
| 584 | target_ulong r2) |
| 585 | { |
Bastian Koppelmann | 0974257 | 2014-10-26 21:49:41 +0000 | [diff] [blame] | 586 | int64_t t1 = sextract64(r1, 0, 32); |
| 587 | int64_t t2 = sextract64(r2, 0, 32); |
| 588 | int64_t result = t1 * t2; |
Bastian Koppelmann | e4e3917 | 2014-11-27 13:45:09 +0000 | [diff] [blame] | 589 | return ssov32(env, result); |
Bastian Koppelmann | 0974257 | 2014-10-26 21:49:41 +0000 | [diff] [blame] | 590 | } |
| 591 | |
| 592 | target_ulong helper_mul_suov(CPUTriCoreState *env, target_ulong r1, |
| 593 | target_ulong r2) |
| 594 | { |
Bastian Koppelmann | 0974257 | 2014-10-26 21:49:41 +0000 | [diff] [blame] | 595 | int64_t t1 = extract64(r1, 0, 32); |
| 596 | int64_t t2 = extract64(r2, 0, 32); |
| 597 | int64_t result = t1 * t2; |
Bastian Koppelmann | 5f30046 | 2015-01-17 22:34:27 +0000 | [diff] [blame] | 598 | |
Bastian Koppelmann | 85d604a | 2015-01-19 14:28:59 +0000 | [diff] [blame] | 599 | return suov32_pos(env, result); |
Bastian Koppelmann | 0974257 | 2014-10-26 21:49:41 +0000 | [diff] [blame] | 600 | } |
| 601 | |
| 602 | target_ulong helper_sha_ssov(CPUTriCoreState *env, target_ulong r1, |
| 603 | target_ulong r2) |
| 604 | { |
Bastian Koppelmann | 0974257 | 2014-10-26 21:49:41 +0000 | [diff] [blame] | 605 | int64_t t1 = sextract64(r1, 0, 32); |
| 606 | int32_t t2 = sextract64(r2, 0, 6); |
| 607 | int64_t result; |
| 608 | if (t2 == 0) { |
| 609 | result = t1; |
| 610 | } else if (t2 > 0) { |
| 611 | result = t1 << t2; |
| 612 | } else { |
| 613 | result = t1 >> -t2; |
| 614 | } |
Bastian Koppelmann | e4e3917 | 2014-11-27 13:45:09 +0000 | [diff] [blame] | 615 | return ssov32(env, result); |
Bastian Koppelmann | 0974257 | 2014-10-26 21:49:41 +0000 | [diff] [blame] | 616 | } |
| 617 | |
Bastian Koppelmann | d5de783 | 2014-11-27 14:30:33 +0000 | [diff] [blame] | 618 | uint32_t helper_abs_ssov(CPUTriCoreState *env, target_ulong r1) |
| 619 | { |
| 620 | target_ulong result; |
| 621 | result = ((int32_t)r1 >= 0) ? r1 : (0 - r1); |
| 622 | return ssov32(env, result); |
| 623 | } |
| 624 | |
| 625 | uint32_t helper_abs_h_ssov(CPUTriCoreState *env, target_ulong r1) |
| 626 | { |
| 627 | int32_t ret_h0, ret_h1; |
| 628 | |
| 629 | ret_h0 = sextract32(r1, 0, 16); |
| 630 | ret_h0 = (ret_h0 >= 0) ? ret_h0 : (0 - ret_h0); |
| 631 | |
| 632 | ret_h1 = sextract32(r1, 16, 16); |
| 633 | ret_h1 = (ret_h1 >= 0) ? ret_h1 : (0 - ret_h1); |
| 634 | |
| 635 | return ssov16(env, ret_h0, ret_h1); |
| 636 | } |
| 637 | |
Bastian Koppelmann | 0974257 | 2014-10-26 21:49:41 +0000 | [diff] [blame] | 638 | target_ulong helper_absdif_ssov(CPUTriCoreState *env, target_ulong r1, |
| 639 | target_ulong r2) |
| 640 | { |
Bastian Koppelmann | 0974257 | 2014-10-26 21:49:41 +0000 | [diff] [blame] | 641 | int64_t t1 = sextract64(r1, 0, 32); |
| 642 | int64_t t2 = sextract64(r2, 0, 32); |
| 643 | int64_t result; |
| 644 | |
| 645 | if (t1 > t2) { |
| 646 | result = t1 - t2; |
| 647 | } else { |
| 648 | result = t2 - t1; |
| 649 | } |
Bastian Koppelmann | e4e3917 | 2014-11-27 13:45:09 +0000 | [diff] [blame] | 650 | return ssov32(env, result); |
Bastian Koppelmann | 0974257 | 2014-10-26 21:49:41 +0000 | [diff] [blame] | 651 | } |
Bastian Koppelmann | 328f1f0 | 2014-11-02 17:31:45 +0000 | [diff] [blame] | 652 | |
Bastian Koppelmann | d5de783 | 2014-11-27 14:30:33 +0000 | [diff] [blame] | 653 | uint32_t helper_absdif_h_ssov(CPUTriCoreState *env, target_ulong r1, |
| 654 | target_ulong r2) |
| 655 | { |
| 656 | int32_t t1, t2; |
| 657 | int32_t ret_h0, ret_h1; |
| 658 | |
| 659 | t1 = sextract32(r1, 0, 16); |
| 660 | t2 = sextract32(r2, 0, 16); |
| 661 | if (t1 > t2) { |
| 662 | ret_h0 = t1 - t2; |
| 663 | } else { |
| 664 | ret_h0 = t2 - t1; |
| 665 | } |
| 666 | |
| 667 | t1 = sextract32(r1, 16, 16); |
| 668 | t2 = sextract32(r2, 16, 16); |
| 669 | if (t1 > t2) { |
| 670 | ret_h1 = t1 - t2; |
| 671 | } else { |
| 672 | ret_h1 = t2 - t1; |
| 673 | } |
| 674 | |
| 675 | return ssov16(env, ret_h0, ret_h1); |
| 676 | } |
| 677 | |
Bastian Koppelmann | 328f1f0 | 2014-11-02 17:31:45 +0000 | [diff] [blame] | 678 | target_ulong helper_madd32_ssov(CPUTriCoreState *env, target_ulong r1, |
| 679 | target_ulong r2, target_ulong r3) |
| 680 | { |
Bastian Koppelmann | 328f1f0 | 2014-11-02 17:31:45 +0000 | [diff] [blame] | 681 | int64_t t1 = sextract64(r1, 0, 32); |
| 682 | int64_t t2 = sextract64(r2, 0, 32); |
| 683 | int64_t t3 = sextract64(r3, 0, 32); |
| 684 | int64_t result; |
| 685 | |
| 686 | result = t2 + (t1 * t3); |
Bastian Koppelmann | e4e3917 | 2014-11-27 13:45:09 +0000 | [diff] [blame] | 687 | return ssov32(env, result); |
Bastian Koppelmann | 328f1f0 | 2014-11-02 17:31:45 +0000 | [diff] [blame] | 688 | } |
| 689 | |
| 690 | target_ulong helper_madd32_suov(CPUTriCoreState *env, target_ulong r1, |
| 691 | target_ulong r2, target_ulong r3) |
| 692 | { |
Bastian Koppelmann | 328f1f0 | 2014-11-02 17:31:45 +0000 | [diff] [blame] | 693 | uint64_t t1 = extract64(r1, 0, 32); |
| 694 | uint64_t t2 = extract64(r2, 0, 32); |
| 695 | uint64_t t3 = extract64(r3, 0, 32); |
| 696 | int64_t result; |
| 697 | |
| 698 | result = t2 + (t1 * t3); |
Bastian Koppelmann | 85d604a | 2015-01-19 14:28:59 +0000 | [diff] [blame] | 699 | return suov32_pos(env, result); |
Bastian Koppelmann | 328f1f0 | 2014-11-02 17:31:45 +0000 | [diff] [blame] | 700 | } |
| 701 | |
| 702 | uint64_t helper_madd64_ssov(CPUTriCoreState *env, target_ulong r1, |
| 703 | uint64_t r2, target_ulong r3) |
| 704 | { |
| 705 | uint64_t ret, ovf; |
| 706 | int64_t t1 = sextract64(r1, 0, 32); |
| 707 | int64_t t3 = sextract64(r3, 0, 32); |
| 708 | int64_t mul; |
| 709 | |
| 710 | mul = t1 * t3; |
| 711 | ret = mul + r2; |
| 712 | ovf = (ret ^ mul) & ~(mul ^ r2); |
| 713 | |
Bastian Koppelmann | 811ea60 | 2015-01-21 15:55:15 +0000 | [diff] [blame] | 714 | t1 = ret >> 32; |
| 715 | env->PSW_USB_AV = t1 ^ t1 * 2u; |
| 716 | env->PSW_USB_SAV |= env->PSW_USB_AV; |
| 717 | |
Bastian Koppelmann | 328f1f0 | 2014-11-02 17:31:45 +0000 | [diff] [blame] | 718 | if ((int64_t)ovf < 0) { |
| 719 | env->PSW_USB_V = (1 << 31); |
| 720 | env->PSW_USB_SV = (1 << 31); |
| 721 | /* ext_ret > MAX_INT */ |
| 722 | if (mul >= 0) { |
| 723 | ret = INT64_MAX; |
| 724 | /* ext_ret < MIN_INT */ |
| 725 | } else { |
| 726 | ret = INT64_MIN; |
| 727 | } |
| 728 | } else { |
| 729 | env->PSW_USB_V = 0; |
| 730 | } |
Bastian Koppelmann | 328f1f0 | 2014-11-02 17:31:45 +0000 | [diff] [blame] | 731 | |
| 732 | return ret; |
| 733 | } |
| 734 | |
Bastian Koppelmann | b00aa8e | 2015-02-03 18:36:53 +0000 | [diff] [blame] | 735 | uint32_t |
| 736 | helper_madd32_q_add_ssov(CPUTriCoreState *env, uint64_t r1, uint64_t r2) |
| 737 | { |
| 738 | int64_t result; |
| 739 | |
| 740 | result = (r1 + r2); |
| 741 | |
| 742 | env->PSW_USB_AV = (result ^ result * 2u); |
| 743 | env->PSW_USB_SAV |= env->PSW_USB_AV; |
| 744 | |
| 745 | /* we do the saturation by hand, since we produce an overflow on the host |
| 746 | if the mul before was (0x80000000 * 0x80000000) << 1). If this is the |
| 747 | case, we flip the saturated value. */ |
| 748 | if (r2 == 0x8000000000000000LL) { |
| 749 | if (result > 0x7fffffffLL) { |
| 750 | env->PSW_USB_V = (1 << 31); |
| 751 | env->PSW_USB_SV = (1 << 31); |
| 752 | result = INT32_MIN; |
| 753 | } else if (result < -0x80000000LL) { |
| 754 | env->PSW_USB_V = (1 << 31); |
| 755 | env->PSW_USB_SV = (1 << 31); |
| 756 | result = INT32_MAX; |
| 757 | } else { |
| 758 | env->PSW_USB_V = 0; |
| 759 | } |
| 760 | } else { |
| 761 | if (result > 0x7fffffffLL) { |
| 762 | env->PSW_USB_V = (1 << 31); |
| 763 | env->PSW_USB_SV = (1 << 31); |
| 764 | result = INT32_MAX; |
| 765 | } else if (result < -0x80000000LL) { |
| 766 | env->PSW_USB_V = (1 << 31); |
| 767 | env->PSW_USB_SV = (1 << 31); |
| 768 | result = INT32_MIN; |
| 769 | } else { |
| 770 | env->PSW_USB_V = 0; |
| 771 | } |
| 772 | } |
| 773 | return (uint32_t)result; |
| 774 | } |
| 775 | |
| 776 | uint64_t helper_madd64_q_ssov(CPUTriCoreState *env, uint64_t r1, uint32_t r2, |
| 777 | uint32_t r3, uint32_t n) |
| 778 | { |
| 779 | int64_t t1 = (int64_t)r1; |
| 780 | int64_t t2 = sextract64(r2, 0, 32); |
| 781 | int64_t t3 = sextract64(r3, 0, 32); |
| 782 | int64_t result, mul; |
| 783 | int64_t ovf; |
| 784 | |
| 785 | mul = (t2 * t3) << n; |
| 786 | result = mul + t1; |
| 787 | |
| 788 | env->PSW_USB_AV = (result ^ result * 2u) >> 32; |
| 789 | env->PSW_USB_SAV |= env->PSW_USB_AV; |
| 790 | |
| 791 | ovf = (result ^ mul) & ~(mul ^ t1); |
| 792 | /* we do the saturation by hand, since we produce an overflow on the host |
| 793 | if the mul was (0x80000000 * 0x80000000) << 1). If this is the |
| 794 | case, we flip the saturated value. */ |
| 795 | if ((r2 == 0x80000000) && (r3 == 0x80000000) && (n == 1)) { |
| 796 | if (ovf >= 0) { |
| 797 | env->PSW_USB_V = (1 << 31); |
| 798 | env->PSW_USB_SV = (1 << 31); |
| 799 | /* ext_ret > MAX_INT */ |
| 800 | if (mul < 0) { |
| 801 | result = INT64_MAX; |
| 802 | /* ext_ret < MIN_INT */ |
| 803 | } else { |
| 804 | result = INT64_MIN; |
| 805 | } |
| 806 | } else { |
| 807 | env->PSW_USB_V = 0; |
| 808 | } |
| 809 | } else { |
| 810 | if (ovf < 0) { |
| 811 | env->PSW_USB_V = (1 << 31); |
| 812 | env->PSW_USB_SV = (1 << 31); |
| 813 | /* ext_ret > MAX_INT */ |
| 814 | if (mul >= 0) { |
| 815 | result = INT64_MAX; |
| 816 | /* ext_ret < MIN_INT */ |
| 817 | } else { |
| 818 | result = INT64_MIN; |
| 819 | } |
| 820 | } else { |
| 821 | env->PSW_USB_V = 0; |
| 822 | } |
| 823 | } |
| 824 | return (uint64_t)result; |
| 825 | } |
| 826 | |
| 827 | uint32_t helper_maddr_q_ssov(CPUTriCoreState *env, uint32_t r1, uint32_t r2, |
| 828 | uint32_t r3, uint32_t n) |
| 829 | { |
| 830 | int64_t t1 = sextract64(r1, 0, 32); |
| 831 | int64_t t2 = sextract64(r2, 0, 32); |
| 832 | int64_t t3 = sextract64(r3, 0, 32); |
| 833 | int64_t mul, ret; |
| 834 | |
| 835 | if ((t2 == -0x8000ll) && (t3 == -0x8000ll) && (n == 1)) { |
| 836 | mul = 0x7fffffff; |
| 837 | } else { |
| 838 | mul = (t2 * t3) << n; |
| 839 | } |
| 840 | |
| 841 | ret = t1 + mul + 0x8000; |
| 842 | |
| 843 | env->PSW_USB_AV = ret ^ ret * 2u; |
| 844 | env->PSW_USB_SAV |= env->PSW_USB_AV; |
| 845 | |
| 846 | if (ret > 0x7fffffffll) { |
| 847 | env->PSW_USB_V = (1 << 31); |
| 848 | env->PSW_USB_SV |= env->PSW_USB_V; |
| 849 | ret = INT32_MAX; |
| 850 | } else if (ret < -0x80000000ll) { |
| 851 | env->PSW_USB_V = (1 << 31); |
| 852 | env->PSW_USB_SV |= env->PSW_USB_V; |
| 853 | ret = INT32_MIN; |
| 854 | } else { |
| 855 | env->PSW_USB_V = 0; |
| 856 | } |
| 857 | return ret & 0xffff0000ll; |
| 858 | } |
| 859 | |
Bastian Koppelmann | 328f1f0 | 2014-11-02 17:31:45 +0000 | [diff] [blame] | 860 | uint64_t helper_madd64_suov(CPUTriCoreState *env, target_ulong r1, |
| 861 | uint64_t r2, target_ulong r3) |
| 862 | { |
| 863 | uint64_t ret, mul; |
| 864 | uint64_t t1 = extract64(r1, 0, 32); |
| 865 | uint64_t t3 = extract64(r3, 0, 32); |
| 866 | |
| 867 | mul = t1 * t3; |
| 868 | ret = mul + r2; |
| 869 | |
Bastian Koppelmann | 811ea60 | 2015-01-21 15:55:15 +0000 | [diff] [blame] | 870 | t1 = ret >> 32; |
| 871 | env->PSW_USB_AV = t1 ^ t1 * 2u; |
| 872 | env->PSW_USB_SAV |= env->PSW_USB_AV; |
| 873 | |
Bastian Koppelmann | 328f1f0 | 2014-11-02 17:31:45 +0000 | [diff] [blame] | 874 | if (ret < r2) { |
| 875 | env->PSW_USB_V = (1 << 31); |
| 876 | env->PSW_USB_SV = (1 << 31); |
| 877 | /* saturate */ |
| 878 | ret = UINT64_MAX; |
| 879 | } else { |
| 880 | env->PSW_USB_V = 0; |
| 881 | } |
Bastian Koppelmann | 328f1f0 | 2014-11-02 17:31:45 +0000 | [diff] [blame] | 882 | return ret; |
| 883 | } |
| 884 | |
| 885 | target_ulong helper_msub32_ssov(CPUTriCoreState *env, target_ulong r1, |
| 886 | target_ulong r2, target_ulong r3) |
| 887 | { |
Bastian Koppelmann | 328f1f0 | 2014-11-02 17:31:45 +0000 | [diff] [blame] | 888 | int64_t t1 = sextract64(r1, 0, 32); |
| 889 | int64_t t2 = sextract64(r2, 0, 32); |
| 890 | int64_t t3 = sextract64(r3, 0, 32); |
| 891 | int64_t result; |
| 892 | |
| 893 | result = t2 - (t1 * t3); |
Bastian Koppelmann | e4e3917 | 2014-11-27 13:45:09 +0000 | [diff] [blame] | 894 | return ssov32(env, result); |
Bastian Koppelmann | 328f1f0 | 2014-11-02 17:31:45 +0000 | [diff] [blame] | 895 | } |
| 896 | |
| 897 | target_ulong helper_msub32_suov(CPUTriCoreState *env, target_ulong r1, |
| 898 | target_ulong r2, target_ulong r3) |
| 899 | { |
Bastian Koppelmann | 3debbb5 | 2015-01-28 12:15:05 +0000 | [diff] [blame] | 900 | uint64_t t1 = extract64(r1, 0, 32); |
| 901 | uint64_t t2 = extract64(r2, 0, 32); |
| 902 | uint64_t t3 = extract64(r3, 0, 32); |
| 903 | uint64_t result; |
| 904 | uint64_t mul; |
Bastian Koppelmann | 328f1f0 | 2014-11-02 17:31:45 +0000 | [diff] [blame] | 905 | |
Bastian Koppelmann | 3debbb5 | 2015-01-28 12:15:05 +0000 | [diff] [blame] | 906 | mul = (t1 * t3); |
| 907 | result = t2 - mul; |
| 908 | |
| 909 | env->PSW_USB_AV = result ^ result * 2u; |
| 910 | env->PSW_USB_SAV |= env->PSW_USB_AV; |
| 911 | /* we calculate ovf by hand here, because the multiplication can overflow on |
| 912 | the host, which would give false results if we compare to less than |
| 913 | zero */ |
| 914 | if (mul > t2) { |
| 915 | env->PSW_USB_V = (1 << 31); |
| 916 | env->PSW_USB_SV = (1 << 31); |
| 917 | result = 0; |
| 918 | } else { |
| 919 | env->PSW_USB_V = 0; |
| 920 | } |
| 921 | return result; |
Bastian Koppelmann | 328f1f0 | 2014-11-02 17:31:45 +0000 | [diff] [blame] | 922 | } |
| 923 | |
| 924 | uint64_t helper_msub64_ssov(CPUTriCoreState *env, target_ulong r1, |
| 925 | uint64_t r2, target_ulong r3) |
| 926 | { |
| 927 | uint64_t ret, ovf; |
| 928 | int64_t t1 = sextract64(r1, 0, 32); |
| 929 | int64_t t3 = sextract64(r3, 0, 32); |
| 930 | int64_t mul; |
| 931 | |
| 932 | mul = t1 * t3; |
| 933 | ret = r2 - mul; |
| 934 | ovf = (ret ^ r2) & (mul ^ r2); |
| 935 | |
Bastian Koppelmann | 811ea60 | 2015-01-21 15:55:15 +0000 | [diff] [blame] | 936 | t1 = ret >> 32; |
| 937 | env->PSW_USB_AV = t1 ^ t1 * 2u; |
| 938 | env->PSW_USB_SAV |= env->PSW_USB_AV; |
| 939 | |
Bastian Koppelmann | 328f1f0 | 2014-11-02 17:31:45 +0000 | [diff] [blame] | 940 | if ((int64_t)ovf < 0) { |
| 941 | env->PSW_USB_V = (1 << 31); |
| 942 | env->PSW_USB_SV = (1 << 31); |
| 943 | /* ext_ret > MAX_INT */ |
| 944 | if (mul < 0) { |
| 945 | ret = INT64_MAX; |
| 946 | /* ext_ret < MIN_INT */ |
| 947 | } else { |
| 948 | ret = INT64_MIN; |
| 949 | } |
| 950 | } else { |
| 951 | env->PSW_USB_V = 0; |
| 952 | } |
Bastian Koppelmann | 328f1f0 | 2014-11-02 17:31:45 +0000 | [diff] [blame] | 953 | return ret; |
| 954 | } |
| 955 | |
| 956 | uint64_t helper_msub64_suov(CPUTriCoreState *env, target_ulong r1, |
| 957 | uint64_t r2, target_ulong r3) |
| 958 | { |
| 959 | uint64_t ret, mul; |
| 960 | uint64_t t1 = extract64(r1, 0, 32); |
| 961 | uint64_t t3 = extract64(r3, 0, 32); |
| 962 | |
| 963 | mul = t1 * t3; |
| 964 | ret = r2 - mul; |
| 965 | |
Bastian Koppelmann | 811ea60 | 2015-01-21 15:55:15 +0000 | [diff] [blame] | 966 | t1 = ret >> 32; |
| 967 | env->PSW_USB_AV = t1 ^ t1 * 2u; |
| 968 | env->PSW_USB_SAV |= env->PSW_USB_AV; |
| 969 | |
Bastian Koppelmann | 328f1f0 | 2014-11-02 17:31:45 +0000 | [diff] [blame] | 970 | if (ret > r2) { |
| 971 | env->PSW_USB_V = (1 << 31); |
| 972 | env->PSW_USB_SV = (1 << 31); |
| 973 | /* saturate */ |
| 974 | ret = 0; |
| 975 | } else { |
| 976 | env->PSW_USB_V = 0; |
| 977 | } |
Bastian Koppelmann | 328f1f0 | 2014-11-02 17:31:45 +0000 | [diff] [blame] | 978 | return ret; |
| 979 | } |
| 980 | |
Bastian Koppelmann | 62e47b2 | 2015-02-25 11:46:55 +0000 | [diff] [blame] | 981 | uint32_t |
| 982 | helper_msub32_q_sub_ssov(CPUTriCoreState *env, uint64_t r1, uint64_t r2) |
| 983 | { |
| 984 | int64_t result; |
| 985 | int64_t t1 = (int64_t)r1; |
| 986 | int64_t t2 = (int64_t)r2; |
| 987 | |
| 988 | result = t1 - t2; |
| 989 | |
| 990 | env->PSW_USB_AV = (result ^ result * 2u); |
| 991 | env->PSW_USB_SAV |= env->PSW_USB_AV; |
| 992 | |
| 993 | /* we do the saturation by hand, since we produce an overflow on the host |
| 994 | if the mul before was (0x80000000 * 0x80000000) << 1). If this is the |
| 995 | case, we flip the saturated value. */ |
| 996 | if (r2 == 0x8000000000000000LL) { |
| 997 | if (result > 0x7fffffffLL) { |
| 998 | env->PSW_USB_V = (1 << 31); |
| 999 | env->PSW_USB_SV = (1 << 31); |
| 1000 | result = INT32_MIN; |
| 1001 | } else if (result < -0x80000000LL) { |
| 1002 | env->PSW_USB_V = (1 << 31); |
| 1003 | env->PSW_USB_SV = (1 << 31); |
| 1004 | result = INT32_MAX; |
| 1005 | } else { |
| 1006 | env->PSW_USB_V = 0; |
| 1007 | } |
| 1008 | } else { |
| 1009 | if (result > 0x7fffffffLL) { |
| 1010 | env->PSW_USB_V = (1 << 31); |
| 1011 | env->PSW_USB_SV = (1 << 31); |
| 1012 | result = INT32_MAX; |
| 1013 | } else if (result < -0x80000000LL) { |
| 1014 | env->PSW_USB_V = (1 << 31); |
| 1015 | env->PSW_USB_SV = (1 << 31); |
| 1016 | result = INT32_MIN; |
| 1017 | } else { |
| 1018 | env->PSW_USB_V = 0; |
| 1019 | } |
| 1020 | } |
| 1021 | return (uint32_t)result; |
| 1022 | } |
| 1023 | |
| 1024 | uint64_t helper_msub64_q_ssov(CPUTriCoreState *env, uint64_t r1, uint32_t r2, |
| 1025 | uint32_t r3, uint32_t n) |
| 1026 | { |
| 1027 | int64_t t1 = (int64_t)r1; |
| 1028 | int64_t t2 = sextract64(r2, 0, 32); |
| 1029 | int64_t t3 = sextract64(r3, 0, 32); |
| 1030 | int64_t result, mul; |
| 1031 | int64_t ovf; |
| 1032 | |
| 1033 | mul = (t2 * t3) << n; |
| 1034 | result = t1 - mul; |
| 1035 | |
| 1036 | env->PSW_USB_AV = (result ^ result * 2u) >> 32; |
| 1037 | env->PSW_USB_SAV |= env->PSW_USB_AV; |
| 1038 | |
| 1039 | ovf = (result ^ t1) & (t1 ^ mul); |
| 1040 | /* we do the saturation by hand, since we produce an overflow on the host |
| 1041 | if the mul before was (0x80000000 * 0x80000000) << 1). If this is the |
| 1042 | case, we flip the saturated value. */ |
| 1043 | if (mul == 0x8000000000000000LL) { |
| 1044 | if (ovf >= 0) { |
| 1045 | env->PSW_USB_V = (1 << 31); |
| 1046 | env->PSW_USB_SV = (1 << 31); |
| 1047 | /* ext_ret > MAX_INT */ |
| 1048 | if (mul >= 0) { |
| 1049 | result = INT64_MAX; |
| 1050 | /* ext_ret < MIN_INT */ |
| 1051 | } else { |
| 1052 | result = INT64_MIN; |
| 1053 | } |
Bastian Koppelmann | 9029710 | 2016-03-21 09:03:02 +0100 | [diff] [blame] | 1054 | } else { |
| 1055 | env->PSW_USB_V = 0; |
Bastian Koppelmann | 62e47b2 | 2015-02-25 11:46:55 +0000 | [diff] [blame] | 1056 | } |
| 1057 | } else { |
| 1058 | if (ovf < 0) { |
| 1059 | env->PSW_USB_V = (1 << 31); |
| 1060 | env->PSW_USB_SV = (1 << 31); |
| 1061 | /* ext_ret > MAX_INT */ |
| 1062 | if (mul < 0) { |
| 1063 | result = INT64_MAX; |
| 1064 | /* ext_ret < MIN_INT */ |
| 1065 | } else { |
| 1066 | result = INT64_MIN; |
| 1067 | } |
| 1068 | } else { |
| 1069 | env->PSW_USB_V = 0; |
| 1070 | } |
| 1071 | } |
| 1072 | |
| 1073 | return (uint64_t)result; |
| 1074 | } |
| 1075 | |
| 1076 | uint32_t helper_msubr_q_ssov(CPUTriCoreState *env, uint32_t r1, uint32_t r2, |
| 1077 | uint32_t r3, uint32_t n) |
| 1078 | { |
| 1079 | int64_t t1 = sextract64(r1, 0, 32); |
| 1080 | int64_t t2 = sextract64(r2, 0, 32); |
| 1081 | int64_t t3 = sextract64(r3, 0, 32); |
| 1082 | int64_t mul, ret; |
| 1083 | |
| 1084 | if ((t2 == -0x8000ll) && (t3 == -0x8000ll) && (n == 1)) { |
| 1085 | mul = 0x7fffffff; |
| 1086 | } else { |
| 1087 | mul = (t2 * t3) << n; |
| 1088 | } |
| 1089 | |
| 1090 | ret = t1 - mul + 0x8000; |
| 1091 | |
| 1092 | env->PSW_USB_AV = ret ^ ret * 2u; |
| 1093 | env->PSW_USB_SAV |= env->PSW_USB_AV; |
| 1094 | |
| 1095 | if (ret > 0x7fffffffll) { |
| 1096 | env->PSW_USB_V = (1 << 31); |
| 1097 | env->PSW_USB_SV |= env->PSW_USB_V; |
| 1098 | ret = INT32_MAX; |
| 1099 | } else if (ret < -0x80000000ll) { |
| 1100 | env->PSW_USB_V = (1 << 31); |
| 1101 | env->PSW_USB_SV |= env->PSW_USB_V; |
| 1102 | ret = INT32_MIN; |
| 1103 | } else { |
| 1104 | env->PSW_USB_V = 0; |
| 1105 | } |
| 1106 | return ret & 0xffff0000ll; |
| 1107 | } |
| 1108 | |
Bastian Koppelmann | d5de783 | 2014-11-27 14:30:33 +0000 | [diff] [blame] | 1109 | uint32_t helper_abs_b(CPUTriCoreState *env, target_ulong arg) |
| 1110 | { |
| 1111 | int32_t b, i; |
| 1112 | int32_t ovf = 0; |
| 1113 | int32_t avf = 0; |
| 1114 | int32_t ret = 0; |
| 1115 | |
| 1116 | for (i = 0; i < 4; i++) { |
| 1117 | b = sextract32(arg, i * 8, 8); |
| 1118 | b = (b >= 0) ? b : (0 - b); |
| 1119 | ovf |= (b > 0x7F) || (b < -0x80); |
| 1120 | avf |= b ^ b * 2u; |
| 1121 | ret |= (b & 0xff) << (i * 8); |
| 1122 | } |
| 1123 | |
| 1124 | env->PSW_USB_V = ovf << 31; |
| 1125 | env->PSW_USB_SV |= env->PSW_USB_V; |
| 1126 | env->PSW_USB_AV = avf << 24; |
| 1127 | env->PSW_USB_SAV |= env->PSW_USB_AV; |
| 1128 | |
| 1129 | return ret; |
| 1130 | } |
| 1131 | |
| 1132 | uint32_t helper_abs_h(CPUTriCoreState *env, target_ulong arg) |
| 1133 | { |
| 1134 | int32_t h, i; |
| 1135 | int32_t ovf = 0; |
| 1136 | int32_t avf = 0; |
| 1137 | int32_t ret = 0; |
| 1138 | |
| 1139 | for (i = 0; i < 2; i++) { |
| 1140 | h = sextract32(arg, i * 16, 16); |
| 1141 | h = (h >= 0) ? h : (0 - h); |
| 1142 | ovf |= (h > 0x7FFF) || (h < -0x8000); |
| 1143 | avf |= h ^ h * 2u; |
| 1144 | ret |= (h & 0xffff) << (i * 16); |
| 1145 | } |
| 1146 | |
| 1147 | env->PSW_USB_V = ovf << 31; |
| 1148 | env->PSW_USB_SV |= env->PSW_USB_V; |
| 1149 | env->PSW_USB_AV = avf << 16; |
| 1150 | env->PSW_USB_SAV |= env->PSW_USB_AV; |
| 1151 | |
| 1152 | return ret; |
| 1153 | } |
| 1154 | |
| 1155 | uint32_t helper_absdif_b(CPUTriCoreState *env, target_ulong r1, target_ulong r2) |
| 1156 | { |
| 1157 | int32_t b, i; |
| 1158 | int32_t extr_r2; |
| 1159 | int32_t ovf = 0; |
| 1160 | int32_t avf = 0; |
| 1161 | int32_t ret = 0; |
| 1162 | |
| 1163 | for (i = 0; i < 4; i++) { |
| 1164 | extr_r2 = sextract32(r2, i * 8, 8); |
| 1165 | b = sextract32(r1, i * 8, 8); |
| 1166 | b = (b > extr_r2) ? (b - extr_r2) : (extr_r2 - b); |
| 1167 | ovf |= (b > 0x7F) || (b < -0x80); |
| 1168 | avf |= b ^ b * 2u; |
| 1169 | ret |= (b & 0xff) << (i * 8); |
| 1170 | } |
| 1171 | |
| 1172 | env->PSW_USB_V = ovf << 31; |
| 1173 | env->PSW_USB_SV |= env->PSW_USB_V; |
| 1174 | env->PSW_USB_AV = avf << 24; |
| 1175 | env->PSW_USB_SAV |= env->PSW_USB_AV; |
| 1176 | return ret; |
| 1177 | } |
| 1178 | |
| 1179 | uint32_t helper_absdif_h(CPUTriCoreState *env, target_ulong r1, target_ulong r2) |
| 1180 | { |
| 1181 | int32_t h, i; |
| 1182 | int32_t extr_r2; |
| 1183 | int32_t ovf = 0; |
| 1184 | int32_t avf = 0; |
| 1185 | int32_t ret = 0; |
| 1186 | |
| 1187 | for (i = 0; i < 2; i++) { |
| 1188 | extr_r2 = sextract32(r2, i * 16, 16); |
| 1189 | h = sextract32(r1, i * 16, 16); |
| 1190 | h = (h > extr_r2) ? (h - extr_r2) : (extr_r2 - h); |
| 1191 | ovf |= (h > 0x7FFF) || (h < -0x8000); |
| 1192 | avf |= h ^ h * 2u; |
| 1193 | ret |= (h & 0xffff) << (i * 16); |
| 1194 | } |
| 1195 | |
| 1196 | env->PSW_USB_V = ovf << 31; |
| 1197 | env->PSW_USB_SV |= env->PSW_USB_V; |
| 1198 | env->PSW_USB_AV = avf << 16; |
| 1199 | env->PSW_USB_SAV |= env->PSW_USB_AV; |
| 1200 | |
| 1201 | return ret; |
| 1202 | } |
| 1203 | |
Bastian Koppelmann | 2e430e1 | 2015-01-29 15:35:56 +0000 | [diff] [blame] | 1204 | uint32_t helper_addr_h(CPUTriCoreState *env, uint64_t r1, uint32_t r2_l, |
| 1205 | uint32_t r2_h) |
| 1206 | { |
| 1207 | int64_t mul_res0 = sextract64(r1, 0, 32); |
| 1208 | int64_t mul_res1 = sextract64(r1, 32, 32); |
| 1209 | int64_t r2_low = sextract64(r2_l, 0, 32); |
| 1210 | int64_t r2_high = sextract64(r2_h, 0, 32); |
| 1211 | int64_t result0, result1; |
| 1212 | uint32_t ovf0, ovf1; |
| 1213 | uint32_t avf0, avf1; |
| 1214 | |
| 1215 | ovf0 = ovf1 = 0; |
| 1216 | |
| 1217 | result0 = r2_low + mul_res0 + 0x8000; |
| 1218 | result1 = r2_high + mul_res1 + 0x8000; |
| 1219 | |
| 1220 | if ((result0 > INT32_MAX) || (result0 < INT32_MIN)) { |
| 1221 | ovf0 = (1 << 31); |
| 1222 | } |
| 1223 | |
| 1224 | if ((result1 > INT32_MAX) || (result1 < INT32_MIN)) { |
| 1225 | ovf1 = (1 << 31); |
| 1226 | } |
| 1227 | |
| 1228 | env->PSW_USB_V = ovf0 | ovf1; |
| 1229 | env->PSW_USB_SV |= env->PSW_USB_V; |
| 1230 | |
| 1231 | avf0 = result0 * 2u; |
| 1232 | avf0 = result0 ^ avf0; |
| 1233 | avf1 = result1 * 2u; |
| 1234 | avf1 = result1 ^ avf1; |
| 1235 | |
| 1236 | env->PSW_USB_AV = avf0 | avf1; |
| 1237 | env->PSW_USB_SAV |= env->PSW_USB_AV; |
| 1238 | |
| 1239 | return (result1 & 0xffff0000ULL) | ((result0 >> 16) & 0xffffULL); |
| 1240 | } |
| 1241 | |
Bastian Koppelmann | bebe80f | 2015-02-06 14:48:33 +0000 | [diff] [blame] | 1242 | uint32_t helper_addsur_h(CPUTriCoreState *env, uint64_t r1, uint32_t r2_l, |
| 1243 | uint32_t r2_h) |
| 1244 | { |
| 1245 | int64_t mul_res0 = sextract64(r1, 0, 32); |
| 1246 | int64_t mul_res1 = sextract64(r1, 32, 32); |
| 1247 | int64_t r2_low = sextract64(r2_l, 0, 32); |
| 1248 | int64_t r2_high = sextract64(r2_h, 0, 32); |
| 1249 | int64_t result0, result1; |
| 1250 | uint32_t ovf0, ovf1; |
| 1251 | uint32_t avf0, avf1; |
| 1252 | |
| 1253 | ovf0 = ovf1 = 0; |
| 1254 | |
| 1255 | result0 = r2_low - mul_res0 + 0x8000; |
| 1256 | result1 = r2_high + mul_res1 + 0x8000; |
| 1257 | |
| 1258 | if ((result0 > INT32_MAX) || (result0 < INT32_MIN)) { |
| 1259 | ovf0 = (1 << 31); |
| 1260 | } |
| 1261 | |
| 1262 | if ((result1 > INT32_MAX) || (result1 < INT32_MIN)) { |
| 1263 | ovf1 = (1 << 31); |
| 1264 | } |
| 1265 | |
| 1266 | env->PSW_USB_V = ovf0 | ovf1; |
| 1267 | env->PSW_USB_SV |= env->PSW_USB_V; |
| 1268 | |
| 1269 | avf0 = result0 * 2u; |
| 1270 | avf0 = result0 ^ avf0; |
| 1271 | avf1 = result1 * 2u; |
| 1272 | avf1 = result1 ^ avf1; |
| 1273 | |
| 1274 | env->PSW_USB_AV = avf0 | avf1; |
| 1275 | env->PSW_USB_SAV |= env->PSW_USB_AV; |
| 1276 | |
| 1277 | return (result1 & 0xffff0000ULL) | ((result0 >> 16) & 0xffffULL); |
| 1278 | } |
| 1279 | |
Bastian Koppelmann | b00aa8e | 2015-02-03 18:36:53 +0000 | [diff] [blame] | 1280 | uint32_t helper_maddr_q(CPUTriCoreState *env, uint32_t r1, uint32_t r2, |
| 1281 | uint32_t r3, uint32_t n) |
| 1282 | { |
| 1283 | int64_t t1 = sextract64(r1, 0, 32); |
| 1284 | int64_t t2 = sextract64(r2, 0, 32); |
| 1285 | int64_t t3 = sextract64(r3, 0, 32); |
| 1286 | int64_t mul, ret; |
| 1287 | |
| 1288 | if ((t2 == -0x8000ll) && (t3 == -0x8000ll) && (n == 1)) { |
| 1289 | mul = 0x7fffffff; |
| 1290 | } else { |
| 1291 | mul = (t2 * t3) << n; |
| 1292 | } |
| 1293 | |
| 1294 | ret = t1 + mul + 0x8000; |
| 1295 | |
| 1296 | if ((ret > 0x7fffffffll) || (ret < -0x80000000ll)) { |
| 1297 | env->PSW_USB_V = (1 << 31); |
| 1298 | env->PSW_USB_SV |= env->PSW_USB_V; |
| 1299 | } else { |
| 1300 | env->PSW_USB_V = 0; |
| 1301 | } |
| 1302 | env->PSW_USB_AV = ret ^ ret * 2u; |
| 1303 | env->PSW_USB_SAV |= env->PSW_USB_AV; |
| 1304 | |
| 1305 | return ret & 0xffff0000ll; |
| 1306 | } |
| 1307 | |
Bastian Koppelmann | d5de783 | 2014-11-27 14:30:33 +0000 | [diff] [blame] | 1308 | uint32_t helper_add_b(CPUTriCoreState *env, target_ulong r1, target_ulong r2) |
| 1309 | { |
| 1310 | int32_t b, i; |
| 1311 | int32_t extr_r1, extr_r2; |
| 1312 | int32_t ovf = 0; |
| 1313 | int32_t avf = 0; |
| 1314 | uint32_t ret = 0; |
| 1315 | |
| 1316 | for (i = 0; i < 4; i++) { |
| 1317 | extr_r1 = sextract32(r1, i * 8, 8); |
| 1318 | extr_r2 = sextract32(r2, i * 8, 8); |
| 1319 | |
| 1320 | b = extr_r1 + extr_r2; |
| 1321 | ovf |= ((b > 0x7f) || (b < -0x80)); |
| 1322 | avf |= b ^ b * 2u; |
| 1323 | ret |= ((b & 0xff) << (i*8)); |
| 1324 | } |
| 1325 | |
| 1326 | env->PSW_USB_V = (ovf << 31); |
| 1327 | env->PSW_USB_SV |= env->PSW_USB_V; |
| 1328 | env->PSW_USB_AV = avf << 24; |
| 1329 | env->PSW_USB_SAV |= env->PSW_USB_AV; |
| 1330 | |
| 1331 | return ret; |
| 1332 | } |
| 1333 | |
| 1334 | uint32_t helper_add_h(CPUTriCoreState *env, target_ulong r1, target_ulong r2) |
| 1335 | { |
| 1336 | int32_t h, i; |
| 1337 | int32_t extr_r1, extr_r2; |
| 1338 | int32_t ovf = 0; |
| 1339 | int32_t avf = 0; |
| 1340 | int32_t ret = 0; |
| 1341 | |
| 1342 | for (i = 0; i < 2; i++) { |
| 1343 | extr_r1 = sextract32(r1, i * 16, 16); |
| 1344 | extr_r2 = sextract32(r2, i * 16, 16); |
| 1345 | h = extr_r1 + extr_r2; |
| 1346 | ovf |= ((h > 0x7fff) || (h < -0x8000)); |
| 1347 | avf |= h ^ h * 2u; |
| 1348 | ret |= (h & 0xffff) << (i * 16); |
| 1349 | } |
| 1350 | |
| 1351 | env->PSW_USB_V = (ovf << 31); |
| 1352 | env->PSW_USB_SV |= env->PSW_USB_V; |
| 1353 | env->PSW_USB_AV = (avf << 16); |
| 1354 | env->PSW_USB_SAV |= env->PSW_USB_AV; |
| 1355 | |
| 1356 | return ret; |
| 1357 | } |
| 1358 | |
Bastian Koppelmann | f4aef47 | 2015-02-25 11:34:55 +0000 | [diff] [blame] | 1359 | uint32_t helper_subr_h(CPUTriCoreState *env, uint64_t r1, uint32_t r2_l, |
| 1360 | uint32_t r2_h) |
| 1361 | { |
| 1362 | int64_t mul_res0 = sextract64(r1, 0, 32); |
| 1363 | int64_t mul_res1 = sextract64(r1, 32, 32); |
| 1364 | int64_t r2_low = sextract64(r2_l, 0, 32); |
| 1365 | int64_t r2_high = sextract64(r2_h, 0, 32); |
| 1366 | int64_t result0, result1; |
| 1367 | uint32_t ovf0, ovf1; |
| 1368 | uint32_t avf0, avf1; |
| 1369 | |
| 1370 | ovf0 = ovf1 = 0; |
| 1371 | |
| 1372 | result0 = r2_low - mul_res0 + 0x8000; |
| 1373 | result1 = r2_high - mul_res1 + 0x8000; |
| 1374 | |
| 1375 | if ((result0 > INT32_MAX) || (result0 < INT32_MIN)) { |
| 1376 | ovf0 = (1 << 31); |
| 1377 | } |
| 1378 | |
| 1379 | if ((result1 > INT32_MAX) || (result1 < INT32_MIN)) { |
| 1380 | ovf1 = (1 << 31); |
| 1381 | } |
| 1382 | |
| 1383 | env->PSW_USB_V = ovf0 | ovf1; |
| 1384 | env->PSW_USB_SV |= env->PSW_USB_V; |
| 1385 | |
| 1386 | avf0 = result0 * 2u; |
| 1387 | avf0 = result0 ^ avf0; |
| 1388 | avf1 = result1 * 2u; |
| 1389 | avf1 = result1 ^ avf1; |
| 1390 | |
| 1391 | env->PSW_USB_AV = avf0 | avf1; |
| 1392 | env->PSW_USB_SAV |= env->PSW_USB_AV; |
| 1393 | |
| 1394 | return (result1 & 0xffff0000ULL) | ((result0 >> 16) & 0xffffULL); |
| 1395 | } |
| 1396 | |
Bastian Koppelmann | 068fac7 | 2015-02-25 11:55:52 +0000 | [diff] [blame] | 1397 | uint32_t helper_subadr_h(CPUTriCoreState *env, uint64_t r1, uint32_t r2_l, |
| 1398 | uint32_t r2_h) |
| 1399 | { |
| 1400 | int64_t mul_res0 = sextract64(r1, 0, 32); |
| 1401 | int64_t mul_res1 = sextract64(r1, 32, 32); |
| 1402 | int64_t r2_low = sextract64(r2_l, 0, 32); |
| 1403 | int64_t r2_high = sextract64(r2_h, 0, 32); |
| 1404 | int64_t result0, result1; |
| 1405 | uint32_t ovf0, ovf1; |
| 1406 | uint32_t avf0, avf1; |
| 1407 | |
| 1408 | ovf0 = ovf1 = 0; |
| 1409 | |
| 1410 | result0 = r2_low + mul_res0 + 0x8000; |
| 1411 | result1 = r2_high - mul_res1 + 0x8000; |
| 1412 | |
| 1413 | if ((result0 > INT32_MAX) || (result0 < INT32_MIN)) { |
| 1414 | ovf0 = (1 << 31); |
| 1415 | } |
| 1416 | |
| 1417 | if ((result1 > INT32_MAX) || (result1 < INT32_MIN)) { |
| 1418 | ovf1 = (1 << 31); |
| 1419 | } |
| 1420 | |
| 1421 | env->PSW_USB_V = ovf0 | ovf1; |
| 1422 | env->PSW_USB_SV |= env->PSW_USB_V; |
| 1423 | |
| 1424 | avf0 = result0 * 2u; |
| 1425 | avf0 = result0 ^ avf0; |
| 1426 | avf1 = result1 * 2u; |
| 1427 | avf1 = result1 ^ avf1; |
| 1428 | |
| 1429 | env->PSW_USB_AV = avf0 | avf1; |
| 1430 | env->PSW_USB_SAV |= env->PSW_USB_AV; |
| 1431 | |
| 1432 | return (result1 & 0xffff0000ULL) | ((result0 >> 16) & 0xffffULL); |
| 1433 | } |
| 1434 | |
Bastian Koppelmann | 62e47b2 | 2015-02-25 11:46:55 +0000 | [diff] [blame] | 1435 | uint32_t helper_msubr_q(CPUTriCoreState *env, uint32_t r1, uint32_t r2, |
| 1436 | uint32_t r3, uint32_t n) |
| 1437 | { |
| 1438 | int64_t t1 = sextract64(r1, 0, 32); |
| 1439 | int64_t t2 = sextract64(r2, 0, 32); |
| 1440 | int64_t t3 = sextract64(r3, 0, 32); |
| 1441 | int64_t mul, ret; |
| 1442 | |
| 1443 | if ((t2 == -0x8000ll) && (t3 == -0x8000ll) && (n == 1)) { |
| 1444 | mul = 0x7fffffff; |
| 1445 | } else { |
| 1446 | mul = (t2 * t3) << n; |
| 1447 | } |
| 1448 | |
| 1449 | ret = t1 - mul + 0x8000; |
| 1450 | |
| 1451 | if ((ret > 0x7fffffffll) || (ret < -0x80000000ll)) { |
| 1452 | env->PSW_USB_V = (1 << 31); |
| 1453 | env->PSW_USB_SV |= env->PSW_USB_V; |
| 1454 | } else { |
| 1455 | env->PSW_USB_V = 0; |
| 1456 | } |
| 1457 | env->PSW_USB_AV = ret ^ ret * 2u; |
| 1458 | env->PSW_USB_SAV |= env->PSW_USB_AV; |
| 1459 | |
| 1460 | return ret & 0xffff0000ll; |
| 1461 | } |
| 1462 | |
Bastian Koppelmann | d5de783 | 2014-11-27 14:30:33 +0000 | [diff] [blame] | 1463 | uint32_t helper_sub_b(CPUTriCoreState *env, target_ulong r1, target_ulong r2) |
| 1464 | { |
| 1465 | int32_t b, i; |
| 1466 | int32_t extr_r1, extr_r2; |
| 1467 | int32_t ovf = 0; |
| 1468 | int32_t avf = 0; |
| 1469 | uint32_t ret = 0; |
| 1470 | |
| 1471 | for (i = 0; i < 4; i++) { |
| 1472 | extr_r1 = sextract32(r1, i * 8, 8); |
| 1473 | extr_r2 = sextract32(r2, i * 8, 8); |
| 1474 | |
| 1475 | b = extr_r1 - extr_r2; |
| 1476 | ovf |= ((b > 0x7f) || (b < -0x80)); |
| 1477 | avf |= b ^ b * 2u; |
| 1478 | ret |= ((b & 0xff) << (i*8)); |
| 1479 | } |
| 1480 | |
| 1481 | env->PSW_USB_V = (ovf << 31); |
| 1482 | env->PSW_USB_SV |= env->PSW_USB_V; |
| 1483 | env->PSW_USB_AV = avf << 24; |
| 1484 | env->PSW_USB_SAV |= env->PSW_USB_AV; |
| 1485 | |
| 1486 | return ret; |
| 1487 | } |
| 1488 | |
| 1489 | uint32_t helper_sub_h(CPUTriCoreState *env, target_ulong r1, target_ulong r2) |
| 1490 | { |
| 1491 | int32_t h, i; |
| 1492 | int32_t extr_r1, extr_r2; |
| 1493 | int32_t ovf = 0; |
| 1494 | int32_t avf = 0; |
| 1495 | int32_t ret = 0; |
| 1496 | |
| 1497 | for (i = 0; i < 2; i++) { |
| 1498 | extr_r1 = sextract32(r1, i * 16, 16); |
| 1499 | extr_r2 = sextract32(r2, i * 16, 16); |
| 1500 | h = extr_r1 - extr_r2; |
| 1501 | ovf |= ((h > 0x7fff) || (h < -0x8000)); |
| 1502 | avf |= h ^ h * 2u; |
| 1503 | ret |= (h & 0xffff) << (i * 16); |
| 1504 | } |
| 1505 | |
| 1506 | env->PSW_USB_V = (ovf << 31); |
| 1507 | env->PSW_USB_SV |= env->PSW_USB_V; |
| 1508 | env->PSW_USB_AV = avf << 16; |
| 1509 | env->PSW_USB_SAV |= env->PSW_USB_AV; |
| 1510 | |
| 1511 | return ret; |
| 1512 | } |
| 1513 | |
| 1514 | uint32_t helper_eq_b(target_ulong r1, target_ulong r2) |
| 1515 | { |
| 1516 | int32_t ret; |
| 1517 | int32_t i, msk; |
| 1518 | |
| 1519 | ret = 0; |
| 1520 | msk = 0xff; |
| 1521 | for (i = 0; i < 4; i++) { |
| 1522 | if ((r1 & msk) == (r2 & msk)) { |
| 1523 | ret |= msk; |
| 1524 | } |
| 1525 | msk = msk << 8; |
| 1526 | } |
| 1527 | |
| 1528 | return ret; |
| 1529 | } |
| 1530 | |
| 1531 | uint32_t helper_eq_h(target_ulong r1, target_ulong r2) |
| 1532 | { |
| 1533 | int32_t ret = 0; |
| 1534 | |
| 1535 | if ((r1 & 0xffff) == (r2 & 0xffff)) { |
| 1536 | ret = 0xffff; |
| 1537 | } |
| 1538 | |
| 1539 | if ((r1 & 0xffff0000) == (r2 & 0xffff0000)) { |
| 1540 | ret |= 0xffff0000; |
| 1541 | } |
| 1542 | |
| 1543 | return ret; |
| 1544 | } |
| 1545 | |
| 1546 | uint32_t helper_eqany_b(target_ulong r1, target_ulong r2) |
| 1547 | { |
| 1548 | int32_t i; |
| 1549 | uint32_t ret = 0; |
| 1550 | |
| 1551 | for (i = 0; i < 4; i++) { |
| 1552 | ret |= (sextract32(r1, i * 8, 8) == sextract32(r2, i * 8, 8)); |
| 1553 | } |
| 1554 | |
| 1555 | return ret; |
| 1556 | } |
| 1557 | |
| 1558 | uint32_t helper_eqany_h(target_ulong r1, target_ulong r2) |
| 1559 | { |
| 1560 | uint32_t ret; |
| 1561 | |
| 1562 | ret = (sextract32(r1, 0, 16) == sextract32(r2, 0, 16)); |
| 1563 | ret |= (sextract32(r1, 16, 16) == sextract32(r2, 16, 16)); |
| 1564 | |
| 1565 | return ret; |
| 1566 | } |
| 1567 | |
| 1568 | uint32_t helper_lt_b(target_ulong r1, target_ulong r2) |
| 1569 | { |
| 1570 | int32_t i; |
| 1571 | uint32_t ret = 0; |
| 1572 | |
| 1573 | for (i = 0; i < 4; i++) { |
| 1574 | if (sextract32(r1, i * 8, 8) < sextract32(r2, i * 8, 8)) { |
| 1575 | ret |= (0xff << (i * 8)); |
| 1576 | } |
| 1577 | } |
| 1578 | |
| 1579 | return ret; |
| 1580 | } |
| 1581 | |
| 1582 | uint32_t helper_lt_bu(target_ulong r1, target_ulong r2) |
| 1583 | { |
| 1584 | int32_t i; |
| 1585 | uint32_t ret = 0; |
| 1586 | |
| 1587 | for (i = 0; i < 4; i++) { |
| 1588 | if (extract32(r1, i * 8, 8) < extract32(r2, i * 8, 8)) { |
| 1589 | ret |= (0xff << (i * 8)); |
| 1590 | } |
| 1591 | } |
| 1592 | |
| 1593 | return ret; |
| 1594 | } |
| 1595 | |
| 1596 | uint32_t helper_lt_h(target_ulong r1, target_ulong r2) |
| 1597 | { |
| 1598 | uint32_t ret = 0; |
| 1599 | |
| 1600 | if (sextract32(r1, 0, 16) < sextract32(r2, 0, 16)) { |
| 1601 | ret |= 0xffff; |
| 1602 | } |
| 1603 | |
| 1604 | if (sextract32(r1, 16, 16) < sextract32(r2, 16, 16)) { |
| 1605 | ret |= 0xffff0000; |
| 1606 | } |
| 1607 | |
| 1608 | return ret; |
| 1609 | } |
| 1610 | |
| 1611 | uint32_t helper_lt_hu(target_ulong r1, target_ulong r2) |
| 1612 | { |
| 1613 | uint32_t ret = 0; |
| 1614 | |
| 1615 | if (extract32(r1, 0, 16) < extract32(r2, 0, 16)) { |
| 1616 | ret |= 0xffff; |
| 1617 | } |
| 1618 | |
| 1619 | if (extract32(r1, 16, 16) < extract32(r2, 16, 16)) { |
| 1620 | ret |= 0xffff0000; |
| 1621 | } |
| 1622 | |
| 1623 | return ret; |
| 1624 | } |
| 1625 | |
| 1626 | #define EXTREMA_H_B(name, op) \ |
| 1627 | uint32_t helper_##name ##_b(target_ulong r1, target_ulong r2) \ |
| 1628 | { \ |
| 1629 | int32_t i, extr_r1, extr_r2; \ |
| 1630 | uint32_t ret = 0; \ |
| 1631 | \ |
| 1632 | for (i = 0; i < 4; i++) { \ |
| 1633 | extr_r1 = sextract32(r1, i * 8, 8); \ |
| 1634 | extr_r2 = sextract32(r2, i * 8, 8); \ |
| 1635 | extr_r1 = (extr_r1 op extr_r2) ? extr_r1 : extr_r2; \ |
| 1636 | ret |= (extr_r1 & 0xff) << (i * 8); \ |
| 1637 | } \ |
| 1638 | return ret; \ |
| 1639 | } \ |
| 1640 | \ |
| 1641 | uint32_t helper_##name ##_bu(target_ulong r1, target_ulong r2)\ |
| 1642 | { \ |
| 1643 | int32_t i; \ |
| 1644 | uint32_t extr_r1, extr_r2; \ |
| 1645 | uint32_t ret = 0; \ |
| 1646 | \ |
| 1647 | for (i = 0; i < 4; i++) { \ |
| 1648 | extr_r1 = extract32(r1, i * 8, 8); \ |
| 1649 | extr_r2 = extract32(r2, i * 8, 8); \ |
| 1650 | extr_r1 = (extr_r1 op extr_r2) ? extr_r1 : extr_r2; \ |
| 1651 | ret |= (extr_r1 & 0xff) << (i * 8); \ |
| 1652 | } \ |
| 1653 | return ret; \ |
| 1654 | } \ |
| 1655 | \ |
| 1656 | uint32_t helper_##name ##_h(target_ulong r1, target_ulong r2) \ |
| 1657 | { \ |
| 1658 | int32_t extr_r1, extr_r2; \ |
| 1659 | uint32_t ret = 0; \ |
| 1660 | \ |
| 1661 | extr_r1 = sextract32(r1, 0, 16); \ |
| 1662 | extr_r2 = sextract32(r2, 0, 16); \ |
| 1663 | ret = (extr_r1 op extr_r2) ? extr_r1 : extr_r2; \ |
| 1664 | ret = ret & 0xffff; \ |
| 1665 | \ |
| 1666 | extr_r1 = sextract32(r1, 16, 16); \ |
| 1667 | extr_r2 = sextract32(r2, 16, 16); \ |
| 1668 | extr_r1 = (extr_r1 op extr_r2) ? extr_r1 : extr_r2; \ |
| 1669 | ret |= extr_r1 << 16; \ |
| 1670 | \ |
| 1671 | return ret; \ |
| 1672 | } \ |
| 1673 | \ |
| 1674 | uint32_t helper_##name ##_hu(target_ulong r1, target_ulong r2)\ |
| 1675 | { \ |
| 1676 | uint32_t extr_r1, extr_r2; \ |
| 1677 | uint32_t ret = 0; \ |
| 1678 | \ |
| 1679 | extr_r1 = extract32(r1, 0, 16); \ |
| 1680 | extr_r2 = extract32(r2, 0, 16); \ |
| 1681 | ret = (extr_r1 op extr_r2) ? extr_r1 : extr_r2; \ |
| 1682 | ret = ret & 0xffff; \ |
| 1683 | \ |
| 1684 | extr_r1 = extract32(r1, 16, 16); \ |
| 1685 | extr_r2 = extract32(r2, 16, 16); \ |
| 1686 | extr_r1 = (extr_r1 op extr_r2) ? extr_r1 : extr_r2; \ |
| 1687 | ret |= extr_r1 << (16); \ |
| 1688 | \ |
| 1689 | return ret; \ |
| 1690 | } \ |
Bastian Koppelmann | 0953225 | 2015-01-19 15:43:07 +0000 | [diff] [blame] | 1691 | \ |
| 1692 | uint64_t helper_ix##name(uint64_t r1, uint32_t r2) \ |
| 1693 | { \ |
| 1694 | int64_t r2l, r2h, r1hl; \ |
| 1695 | uint64_t ret = 0; \ |
| 1696 | \ |
| 1697 | ret = ((r1 + 2) & 0xffff); \ |
| 1698 | r2l = sextract64(r2, 0, 16); \ |
| 1699 | r2h = sextract64(r2, 16, 16); \ |
| 1700 | r1hl = sextract64(r1, 32, 16); \ |
| 1701 | \ |
| 1702 | if ((r2l op ## = r2h) && (r2l op r1hl)) { \ |
| 1703 | ret |= (r2l & 0xffff) << 32; \ |
| 1704 | ret |= extract64(r1, 0, 16) << 16; \ |
| 1705 | } else if ((r2h op r2l) && (r2h op r1hl)) { \ |
| 1706 | ret |= extract64(r2, 16, 16) << 32; \ |
| 1707 | ret |= extract64(r1 + 1, 0, 16) << 16; \ |
| 1708 | } else { \ |
| 1709 | ret |= r1 & 0xffffffff0000ull; \ |
| 1710 | } \ |
| 1711 | return ret; \ |
| 1712 | } \ |
| 1713 | \ |
| 1714 | uint64_t helper_ix##name ##_u(uint64_t r1, uint32_t r2) \ |
| 1715 | { \ |
| 1716 | int64_t r2l, r2h, r1hl; \ |
| 1717 | uint64_t ret = 0; \ |
| 1718 | \ |
| 1719 | ret = ((r1 + 2) & 0xffff); \ |
| 1720 | r2l = extract64(r2, 0, 16); \ |
| 1721 | r2h = extract64(r2, 16, 16); \ |
| 1722 | r1hl = extract64(r1, 32, 16); \ |
| 1723 | \ |
| 1724 | if ((r2l op ## = r2h) && (r2l op r1hl)) { \ |
| 1725 | ret |= (r2l & 0xffff) << 32; \ |
| 1726 | ret |= extract64(r1, 0, 16) << 16; \ |
| 1727 | } else if ((r2h op r2l) && (r2h op r1hl)) { \ |
| 1728 | ret |= extract64(r2, 16, 16) << 32; \ |
| 1729 | ret |= extract64(r1 + 1, 0, 16) << 16; \ |
| 1730 | } else { \ |
| 1731 | ret |= r1 & 0xffffffff0000ull; \ |
| 1732 | } \ |
| 1733 | return ret; \ |
| 1734 | } |
Bastian Koppelmann | d5de783 | 2014-11-27 14:30:33 +0000 | [diff] [blame] | 1735 | |
| 1736 | EXTREMA_H_B(max, >) |
| 1737 | EXTREMA_H_B(min, <) |
| 1738 | |
| 1739 | #undef EXTREMA_H_B |
| 1740 | |
Bastian Koppelmann | 0b79a78 | 2014-11-28 17:07:26 +0000 | [diff] [blame] | 1741 | uint32_t helper_clo_h(target_ulong r1) |
| 1742 | { |
| 1743 | uint32_t ret_hw0 = extract32(r1, 0, 16); |
| 1744 | uint32_t ret_hw1 = extract32(r1, 16, 16); |
| 1745 | |
| 1746 | ret_hw0 = clo32(ret_hw0 << 16); |
| 1747 | ret_hw1 = clo32(ret_hw1 << 16); |
| 1748 | |
| 1749 | if (ret_hw0 > 16) { |
| 1750 | ret_hw0 = 16; |
| 1751 | } |
| 1752 | if (ret_hw1 > 16) { |
| 1753 | ret_hw1 = 16; |
| 1754 | } |
| 1755 | |
| 1756 | return ret_hw0 | (ret_hw1 << 16); |
| 1757 | } |
| 1758 | |
Bastian Koppelmann | 0b79a78 | 2014-11-28 17:07:26 +0000 | [diff] [blame] | 1759 | uint32_t helper_clz_h(target_ulong r1) |
| 1760 | { |
| 1761 | uint32_t ret_hw0 = extract32(r1, 0, 16); |
| 1762 | uint32_t ret_hw1 = extract32(r1, 16, 16); |
| 1763 | |
| 1764 | ret_hw0 = clz32(ret_hw0 << 16); |
| 1765 | ret_hw1 = clz32(ret_hw1 << 16); |
| 1766 | |
| 1767 | if (ret_hw0 > 16) { |
| 1768 | ret_hw0 = 16; |
| 1769 | } |
| 1770 | if (ret_hw1 > 16) { |
| 1771 | ret_hw1 = 16; |
| 1772 | } |
| 1773 | |
| 1774 | return ret_hw0 | (ret_hw1 << 16); |
| 1775 | } |
| 1776 | |
Bastian Koppelmann | 0b79a78 | 2014-11-28 17:07:26 +0000 | [diff] [blame] | 1777 | uint32_t helper_cls_h(target_ulong r1) |
| 1778 | { |
| 1779 | uint32_t ret_hw0 = extract32(r1, 0, 16); |
| 1780 | uint32_t ret_hw1 = extract32(r1, 16, 16); |
| 1781 | |
| 1782 | ret_hw0 = clrsb32(ret_hw0 << 16); |
| 1783 | ret_hw1 = clrsb32(ret_hw1 << 16); |
| 1784 | |
| 1785 | if (ret_hw0 > 15) { |
| 1786 | ret_hw0 = 15; |
| 1787 | } |
| 1788 | if (ret_hw1 > 15) { |
| 1789 | ret_hw1 = 15; |
| 1790 | } |
| 1791 | |
| 1792 | return ret_hw0 | (ret_hw1 << 16); |
| 1793 | } |
| 1794 | |
| 1795 | uint32_t helper_sh(target_ulong r1, target_ulong r2) |
| 1796 | { |
| 1797 | int32_t shift_count = sextract32(r2, 0, 6); |
| 1798 | |
| 1799 | if (shift_count == -32) { |
| 1800 | return 0; |
| 1801 | } else if (shift_count < 0) { |
| 1802 | return r1 >> -shift_count; |
| 1803 | } else { |
| 1804 | return r1 << shift_count; |
| 1805 | } |
| 1806 | } |
| 1807 | |
| 1808 | uint32_t helper_sh_h(target_ulong r1, target_ulong r2) |
| 1809 | { |
| 1810 | int32_t ret_hw0, ret_hw1; |
| 1811 | int32_t shift_count; |
| 1812 | |
| 1813 | shift_count = sextract32(r2, 0, 5); |
| 1814 | |
| 1815 | if (shift_count == -16) { |
| 1816 | return 0; |
| 1817 | } else if (shift_count < 0) { |
| 1818 | ret_hw0 = extract32(r1, 0, 16) >> -shift_count; |
| 1819 | ret_hw1 = extract32(r1, 16, 16) >> -shift_count; |
| 1820 | return (ret_hw0 & 0xffff) | (ret_hw1 << 16); |
| 1821 | } else { |
| 1822 | ret_hw0 = extract32(r1, 0, 16) << shift_count; |
| 1823 | ret_hw1 = extract32(r1, 16, 16) << shift_count; |
| 1824 | return (ret_hw0 & 0xffff) | (ret_hw1 << 16); |
| 1825 | } |
| 1826 | } |
| 1827 | |
| 1828 | uint32_t helper_sha(CPUTriCoreState *env, target_ulong r1, target_ulong r2) |
| 1829 | { |
| 1830 | int32_t shift_count; |
| 1831 | int64_t result, t1; |
| 1832 | uint32_t ret; |
| 1833 | |
| 1834 | shift_count = sextract32(r2, 0, 6); |
| 1835 | t1 = sextract32(r1, 0, 32); |
| 1836 | |
| 1837 | if (shift_count == 0) { |
| 1838 | env->PSW_USB_C = env->PSW_USB_V = 0; |
| 1839 | ret = r1; |
| 1840 | } else if (shift_count == -32) { |
| 1841 | env->PSW_USB_C = r1; |
| 1842 | env->PSW_USB_V = 0; |
| 1843 | ret = t1 >> 31; |
| 1844 | } else if (shift_count > 0) { |
| 1845 | result = t1 << shift_count; |
| 1846 | /* calc carry */ |
Peter Maydell | 452e3d4 | 2014-12-23 22:24:09 +0000 | [diff] [blame] | 1847 | env->PSW_USB_C = ((result & 0xffffffff00000000ULL) != 0); |
Bastian Koppelmann | 0b79a78 | 2014-11-28 17:07:26 +0000 | [diff] [blame] | 1848 | /* calc v */ |
| 1849 | env->PSW_USB_V = (((result > 0x7fffffffLL) || |
| 1850 | (result < -0x80000000LL)) << 31); |
| 1851 | /* calc sv */ |
| 1852 | env->PSW_USB_SV |= env->PSW_USB_V; |
| 1853 | ret = (uint32_t)result; |
| 1854 | } else { |
| 1855 | env->PSW_USB_V = 0; |
| 1856 | env->PSW_USB_C = (r1 & ((1 << -shift_count) - 1)); |
| 1857 | ret = t1 >> -shift_count; |
| 1858 | } |
| 1859 | |
| 1860 | env->PSW_USB_AV = ret ^ ret * 2u; |
| 1861 | env->PSW_USB_SAV |= env->PSW_USB_AV; |
| 1862 | |
| 1863 | return ret; |
| 1864 | } |
| 1865 | |
| 1866 | uint32_t helper_sha_h(target_ulong r1, target_ulong r2) |
| 1867 | { |
| 1868 | int32_t shift_count; |
| 1869 | int32_t ret_hw0, ret_hw1; |
| 1870 | |
| 1871 | shift_count = sextract32(r2, 0, 5); |
| 1872 | |
| 1873 | if (shift_count == 0) { |
| 1874 | return r1; |
| 1875 | } else if (shift_count < 0) { |
| 1876 | ret_hw0 = sextract32(r1, 0, 16) >> -shift_count; |
| 1877 | ret_hw1 = sextract32(r1, 16, 16) >> -shift_count; |
| 1878 | return (ret_hw0 & 0xffff) | (ret_hw1 << 16); |
| 1879 | } else { |
| 1880 | ret_hw0 = sextract32(r1, 0, 16) << shift_count; |
| 1881 | ret_hw1 = sextract32(r1, 16, 16) << shift_count; |
| 1882 | return (ret_hw0 & 0xffff) | (ret_hw1 << 16); |
| 1883 | } |
| 1884 | } |
| 1885 | |
Bastian Koppelmann | e2bed10 | 2014-12-02 17:22:27 +0000 | [diff] [blame] | 1886 | uint32_t helper_bmerge(target_ulong r1, target_ulong r2) |
| 1887 | { |
| 1888 | uint32_t i, ret; |
| 1889 | |
| 1890 | ret = 0; |
| 1891 | for (i = 0; i < 16; i++) { |
| 1892 | ret |= (r1 & 1) << (2 * i + 1); |
| 1893 | ret |= (r2 & 1) << (2 * i); |
| 1894 | r1 = r1 >> 1; |
| 1895 | r2 = r2 >> 1; |
| 1896 | } |
| 1897 | return ret; |
| 1898 | } |
| 1899 | |
| 1900 | uint64_t helper_bsplit(uint32_t r1) |
| 1901 | { |
| 1902 | int32_t i; |
| 1903 | uint64_t ret; |
| 1904 | |
| 1905 | ret = 0; |
| 1906 | for (i = 0; i < 32; i = i + 2) { |
| 1907 | /* even */ |
| 1908 | ret |= (r1 & 1) << (i/2); |
| 1909 | r1 = r1 >> 1; |
| 1910 | /* odd */ |
| 1911 | ret |= (uint64_t)(r1 & 1) << (i/2 + 32); |
| 1912 | r1 = r1 >> 1; |
| 1913 | } |
| 1914 | return ret; |
| 1915 | } |
| 1916 | |
| 1917 | uint32_t helper_parity(target_ulong r1) |
| 1918 | { |
| 1919 | uint32_t ret; |
| 1920 | uint32_t nOnes, i; |
| 1921 | |
| 1922 | ret = 0; |
| 1923 | nOnes = 0; |
| 1924 | for (i = 0; i < 8; i++) { |
| 1925 | ret ^= (r1 & 1); |
| 1926 | r1 = r1 >> 1; |
| 1927 | } |
| 1928 | /* second byte */ |
| 1929 | nOnes = 0; |
| 1930 | for (i = 0; i < 8; i++) { |
| 1931 | nOnes ^= (r1 & 1); |
| 1932 | r1 = r1 >> 1; |
| 1933 | } |
| 1934 | ret |= nOnes << 8; |
| 1935 | /* third byte */ |
| 1936 | nOnes = 0; |
| 1937 | for (i = 0; i < 8; i++) { |
| 1938 | nOnes ^= (r1 & 1); |
| 1939 | r1 = r1 >> 1; |
| 1940 | } |
| 1941 | ret |= nOnes << 16; |
| 1942 | /* fourth byte */ |
| 1943 | nOnes = 0; |
| 1944 | for (i = 0; i < 8; i++) { |
| 1945 | nOnes ^= (r1 & 1); |
| 1946 | r1 = r1 >> 1; |
| 1947 | } |
| 1948 | ret |= nOnes << 24; |
| 1949 | |
| 1950 | return ret; |
| 1951 | } |
| 1952 | |
Bastian Koppelmann | 0953225 | 2015-01-19 15:43:07 +0000 | [diff] [blame] | 1953 | uint32_t helper_pack(uint32_t carry, uint32_t r1_low, uint32_t r1_high, |
| 1954 | target_ulong r2) |
| 1955 | { |
| 1956 | uint32_t ret; |
| 1957 | int32_t fp_exp, fp_frac, temp_exp, fp_exp_frac; |
| 1958 | int32_t int_exp = r1_high; |
| 1959 | int32_t int_mant = r1_low; |
| 1960 | uint32_t flag_rnd = (int_mant & (1 << 7)) && ( |
| 1961 | (int_mant & (1 << 8)) || |
| 1962 | (int_mant & 0x7f) || |
| 1963 | (carry != 0)); |
| 1964 | if (((int_mant & (1<<31)) == 0) && (int_exp == 255)) { |
| 1965 | fp_exp = 255; |
| 1966 | fp_frac = extract32(int_mant, 8, 23); |
| 1967 | } else if ((int_mant & (1<<31)) && (int_exp >= 127)) { |
| 1968 | fp_exp = 255; |
| 1969 | fp_frac = 0; |
| 1970 | } else if ((int_mant & (1<<31)) && (int_exp <= -128)) { |
| 1971 | fp_exp = 0; |
| 1972 | fp_frac = 0; |
| 1973 | } else if (int_mant == 0) { |
| 1974 | fp_exp = 0; |
| 1975 | fp_frac = 0; |
| 1976 | } else { |
| 1977 | if (((int_mant & (1 << 31)) == 0)) { |
| 1978 | temp_exp = 0; |
| 1979 | } else { |
| 1980 | temp_exp = int_exp + 128; |
| 1981 | } |
| 1982 | fp_exp_frac = (((temp_exp & 0xff) << 23) | |
| 1983 | extract32(int_mant, 8, 23)) |
| 1984 | + flag_rnd; |
| 1985 | fp_exp = extract32(fp_exp_frac, 23, 8); |
| 1986 | fp_frac = extract32(fp_exp_frac, 0, 23); |
| 1987 | } |
| 1988 | ret = r2 & (1 << 31); |
| 1989 | ret = ret + (fp_exp << 23); |
| 1990 | ret = ret + (fp_frac & 0x7fffff); |
| 1991 | |
| 1992 | return ret; |
| 1993 | } |
| 1994 | |
Bastian Koppelmann | e2bed10 | 2014-12-02 17:22:27 +0000 | [diff] [blame] | 1995 | uint64_t helper_unpack(target_ulong arg1) |
| 1996 | { |
| 1997 | int32_t fp_exp = extract32(arg1, 23, 8); |
| 1998 | int32_t fp_frac = extract32(arg1, 0, 23); |
| 1999 | uint64_t ret; |
| 2000 | int32_t int_exp, int_mant; |
| 2001 | |
| 2002 | if (fp_exp == 255) { |
| 2003 | int_exp = 255; |
| 2004 | int_mant = (fp_frac << 7); |
| 2005 | } else if ((fp_exp == 0) && (fp_frac == 0)) { |
| 2006 | int_exp = -127; |
| 2007 | int_mant = 0; |
| 2008 | } else if ((fp_exp == 0) && (fp_frac != 0)) { |
| 2009 | int_exp = -126; |
| 2010 | int_mant = (fp_frac << 7); |
| 2011 | } else { |
| 2012 | int_exp = fp_exp - 127; |
| 2013 | int_mant = (fp_frac << 7); |
| 2014 | int_mant |= (1 << 30); |
| 2015 | } |
| 2016 | ret = int_exp; |
| 2017 | ret = ret << 32; |
| 2018 | ret |= int_mant; |
| 2019 | |
| 2020 | return ret; |
| 2021 | } |
| 2022 | |
| 2023 | uint64_t helper_dvinit_b_13(CPUTriCoreState *env, uint32_t r1, uint32_t r2) |
| 2024 | { |
| 2025 | uint64_t ret; |
Bastian Koppelmann | f69c24e | 2015-03-23 18:24:42 +0100 | [diff] [blame] | 2026 | int32_t abs_sig_dividend, abs_divisor; |
Bastian Koppelmann | e2bed10 | 2014-12-02 17:22:27 +0000 | [diff] [blame] | 2027 | |
| 2028 | ret = sextract32(r1, 0, 32); |
| 2029 | ret = ret << 24; |
Bastian Koppelmann | e2bed10 | 2014-12-02 17:22:27 +0000 | [diff] [blame] | 2030 | if (!((r1 & 0x80000000) == (r2 & 0x80000000))) { |
| 2031 | ret |= 0xffffff; |
Bastian Koppelmann | e2bed10 | 2014-12-02 17:22:27 +0000 | [diff] [blame] | 2032 | } |
| 2033 | |
Bastian Koppelmann | f69c24e | 2015-03-23 18:24:42 +0100 | [diff] [blame] | 2034 | abs_sig_dividend = abs((int32_t)r1) >> 8; |
Stefan Weil | 30a0d72 | 2015-03-07 15:43:32 +0100 | [diff] [blame] | 2035 | abs_divisor = abs((int32_t)r2); |
Bastian Koppelmann | f69c24e | 2015-03-23 18:24:42 +0100 | [diff] [blame] | 2036 | /* calc overflow |
| 2037 | ofv if (a/b >= 255) <=> (a/255 >= b) */ |
| 2038 | env->PSW_USB_V = (abs_sig_dividend >= abs_divisor) << 31; |
Bastian Koppelmann | e2bed10 | 2014-12-02 17:22:27 +0000 | [diff] [blame] | 2039 | env->PSW_USB_V = env->PSW_USB_V << 31; |
| 2040 | env->PSW_USB_SV |= env->PSW_USB_V; |
| 2041 | env->PSW_USB_AV = 0; |
| 2042 | |
| 2043 | return ret; |
| 2044 | } |
| 2045 | |
| 2046 | uint64_t helper_dvinit_b_131(CPUTriCoreState *env, uint32_t r1, uint32_t r2) |
| 2047 | { |
| 2048 | uint64_t ret = sextract32(r1, 0, 32); |
| 2049 | |
| 2050 | ret = ret << 24; |
| 2051 | if (!((r1 & 0x80000000) == (r2 & 0x80000000))) { |
| 2052 | ret |= 0xffffff; |
| 2053 | } |
| 2054 | /* calc overflow */ |
| 2055 | env->PSW_USB_V = ((r2 == 0) || ((r2 == 0xffffffff) && (r1 == 0xffffff80))); |
| 2056 | env->PSW_USB_V = env->PSW_USB_V << 31; |
| 2057 | env->PSW_USB_SV |= env->PSW_USB_V; |
| 2058 | env->PSW_USB_AV = 0; |
| 2059 | |
| 2060 | return ret; |
| 2061 | } |
| 2062 | |
| 2063 | uint64_t helper_dvinit_h_13(CPUTriCoreState *env, uint32_t r1, uint32_t r2) |
| 2064 | { |
| 2065 | uint64_t ret; |
Bastian Koppelmann | f69c24e | 2015-03-23 18:24:42 +0100 | [diff] [blame] | 2066 | int32_t abs_sig_dividend, abs_divisor; |
Bastian Koppelmann | e2bed10 | 2014-12-02 17:22:27 +0000 | [diff] [blame] | 2067 | |
| 2068 | ret = sextract32(r1, 0, 32); |
| 2069 | ret = ret << 16; |
Bastian Koppelmann | e2bed10 | 2014-12-02 17:22:27 +0000 | [diff] [blame] | 2070 | if (!((r1 & 0x80000000) == (r2 & 0x80000000))) { |
| 2071 | ret |= 0xffff; |
Bastian Koppelmann | e2bed10 | 2014-12-02 17:22:27 +0000 | [diff] [blame] | 2072 | } |
| 2073 | |
Bastian Koppelmann | f69c24e | 2015-03-23 18:24:42 +0100 | [diff] [blame] | 2074 | abs_sig_dividend = abs((int32_t)r1) >> 16; |
Stefan Weil | 30a0d72 | 2015-03-07 15:43:32 +0100 | [diff] [blame] | 2075 | abs_divisor = abs((int32_t)r2); |
Bastian Koppelmann | f69c24e | 2015-03-23 18:24:42 +0100 | [diff] [blame] | 2076 | /* calc overflow |
| 2077 | ofv if (a/b >= 0xffff) <=> (a/0xffff >= b) */ |
| 2078 | env->PSW_USB_V = (abs_sig_dividend >= abs_divisor) << 31; |
Bastian Koppelmann | e2bed10 | 2014-12-02 17:22:27 +0000 | [diff] [blame] | 2079 | env->PSW_USB_V = env->PSW_USB_V << 31; |
| 2080 | env->PSW_USB_SV |= env->PSW_USB_V; |
| 2081 | env->PSW_USB_AV = 0; |
| 2082 | |
| 2083 | return ret; |
| 2084 | } |
| 2085 | |
| 2086 | uint64_t helper_dvinit_h_131(CPUTriCoreState *env, uint32_t r1, uint32_t r2) |
| 2087 | { |
| 2088 | uint64_t ret = sextract32(r1, 0, 32); |
| 2089 | |
| 2090 | ret = ret << 16; |
| 2091 | if (!((r1 & 0x80000000) == (r2 & 0x80000000))) { |
| 2092 | ret |= 0xffff; |
| 2093 | } |
| 2094 | /* calc overflow */ |
| 2095 | env->PSW_USB_V = ((r2 == 0) || ((r2 == 0xffffffff) && (r1 == 0xffff8000))); |
| 2096 | env->PSW_USB_V = env->PSW_USB_V << 31; |
| 2097 | env->PSW_USB_SV |= env->PSW_USB_V; |
| 2098 | env->PSW_USB_AV = 0; |
| 2099 | |
| 2100 | return ret; |
| 2101 | } |
| 2102 | |
Bastian Koppelmann | 0953225 | 2015-01-19 15:43:07 +0000 | [diff] [blame] | 2103 | uint64_t helper_dvadj(uint64_t r1, uint32_t r2) |
| 2104 | { |
| 2105 | int32_t x_sign = (r1 >> 63); |
| 2106 | int32_t q_sign = x_sign ^ (r2 >> 31); |
| 2107 | int32_t eq_pos = x_sign & ((r1 >> 32) == r2); |
| 2108 | int32_t eq_neg = x_sign & ((r1 >> 32) == -r2); |
| 2109 | uint32_t quotient; |
Eduardo Habkost | 9be3859 | 2016-06-13 18:57:58 -0300 | [diff] [blame] | 2110 | uint64_t remainder; |
Bastian Koppelmann | 0953225 | 2015-01-19 15:43:07 +0000 | [diff] [blame] | 2111 | |
| 2112 | if ((q_sign & ~eq_neg) | eq_pos) { |
| 2113 | quotient = (r1 + 1) & 0xffffffff; |
| 2114 | } else { |
| 2115 | quotient = r1 & 0xffffffff; |
| 2116 | } |
| 2117 | |
| 2118 | if (eq_pos | eq_neg) { |
| 2119 | remainder = 0; |
| 2120 | } else { |
| 2121 | remainder = (r1 & 0xffffffff00000000ull); |
| 2122 | } |
Eduardo Habkost | 9be3859 | 2016-06-13 18:57:58 -0300 | [diff] [blame] | 2123 | return remainder | quotient; |
Bastian Koppelmann | 0953225 | 2015-01-19 15:43:07 +0000 | [diff] [blame] | 2124 | } |
| 2125 | |
| 2126 | uint64_t helper_dvstep(uint64_t r1, uint32_t r2) |
| 2127 | { |
| 2128 | int32_t dividend_sign = extract64(r1, 63, 1); |
| 2129 | int32_t divisor_sign = extract32(r2, 31, 1); |
| 2130 | int32_t quotient_sign = (dividend_sign != divisor_sign); |
| 2131 | int32_t addend, dividend_quotient, remainder; |
| 2132 | int32_t i, temp; |
| 2133 | |
| 2134 | if (quotient_sign) { |
| 2135 | addend = r2; |
| 2136 | } else { |
| 2137 | addend = -r2; |
| 2138 | } |
| 2139 | dividend_quotient = (int32_t)r1; |
| 2140 | remainder = (int32_t)(r1 >> 32); |
| 2141 | |
| 2142 | for (i = 0; i < 8; i++) { |
| 2143 | remainder = (remainder << 1) | extract32(dividend_quotient, 31, 1); |
| 2144 | dividend_quotient <<= 1; |
| 2145 | temp = remainder + addend; |
| 2146 | if ((temp < 0) == dividend_sign) { |
| 2147 | remainder = temp; |
| 2148 | } |
| 2149 | if (((temp < 0) == dividend_sign)) { |
| 2150 | dividend_quotient = dividend_quotient | !quotient_sign; |
| 2151 | } else { |
| 2152 | dividend_quotient = dividend_quotient | quotient_sign; |
| 2153 | } |
| 2154 | } |
| 2155 | return ((uint64_t)remainder << 32) | (uint32_t)dividend_quotient; |
| 2156 | } |
| 2157 | |
| 2158 | uint64_t helper_dvstep_u(uint64_t r1, uint32_t r2) |
| 2159 | { |
| 2160 | int32_t dividend_quotient = extract64(r1, 0, 32); |
| 2161 | int64_t remainder = extract64(r1, 32, 32); |
| 2162 | int32_t i; |
| 2163 | int64_t temp; |
| 2164 | for (i = 0; i < 8; i++) { |
| 2165 | remainder = (remainder << 1) | extract32(dividend_quotient, 31, 1); |
| 2166 | dividend_quotient <<= 1; |
| 2167 | temp = (remainder & 0xffffffff) - r2; |
| 2168 | if (temp >= 0) { |
| 2169 | remainder = temp; |
| 2170 | } |
| 2171 | dividend_quotient = dividend_quotient | !(temp < 0); |
| 2172 | } |
| 2173 | return ((uint64_t)remainder << 32) | (uint32_t)dividend_quotient; |
| 2174 | } |
| 2175 | |
Bastian Koppelmann | 9371557 | 2015-05-11 14:59:55 +0200 | [diff] [blame] | 2176 | uint64_t helper_divide(CPUTriCoreState *env, uint32_t r1, uint32_t r2) |
| 2177 | { |
| 2178 | int32_t quotient, remainder; |
| 2179 | int32_t dividend = (int32_t)r1; |
| 2180 | int32_t divisor = (int32_t)r2; |
| 2181 | |
| 2182 | if (divisor == 0) { |
| 2183 | if (dividend >= 0) { |
| 2184 | quotient = 0x7fffffff; |
| 2185 | remainder = 0; |
| 2186 | } else { |
| 2187 | quotient = 0x80000000; |
| 2188 | remainder = 0; |
| 2189 | } |
| 2190 | env->PSW_USB_V = (1 << 31); |
| 2191 | } else if ((divisor == 0xffffffff) && (dividend == 0x80000000)) { |
| 2192 | quotient = 0x7fffffff; |
| 2193 | remainder = 0; |
| 2194 | env->PSW_USB_V = (1 << 31); |
| 2195 | } else { |
| 2196 | remainder = dividend % divisor; |
| 2197 | quotient = (dividend - remainder)/divisor; |
| 2198 | env->PSW_USB_V = 0; |
| 2199 | } |
| 2200 | env->PSW_USB_SV |= env->PSW_USB_V; |
| 2201 | env->PSW_USB_AV = 0; |
| 2202 | return ((uint64_t)remainder << 32) | (uint32_t)quotient; |
| 2203 | } |
| 2204 | |
| 2205 | uint64_t helper_divide_u(CPUTriCoreState *env, uint32_t r1, uint32_t r2) |
| 2206 | { |
| 2207 | uint32_t quotient, remainder; |
| 2208 | uint32_t dividend = r1; |
| 2209 | uint32_t divisor = r2; |
| 2210 | |
| 2211 | if (divisor == 0) { |
| 2212 | quotient = 0xffffffff; |
| 2213 | remainder = 0; |
| 2214 | env->PSW_USB_V = (1 << 31); |
| 2215 | } else { |
| 2216 | remainder = dividend % divisor; |
| 2217 | quotient = (dividend - remainder)/divisor; |
| 2218 | env->PSW_USB_V = 0; |
| 2219 | } |
| 2220 | env->PSW_USB_SV |= env->PSW_USB_V; |
| 2221 | env->PSW_USB_AV = 0; |
| 2222 | return ((uint64_t)remainder << 32) | quotient; |
| 2223 | } |
| 2224 | |
Bastian Koppelmann | 9655b93 | 2014-12-12 16:55:34 +0000 | [diff] [blame] | 2225 | uint64_t helper_mul_h(uint32_t arg00, uint32_t arg01, |
| 2226 | uint32_t arg10, uint32_t arg11, uint32_t n) |
| 2227 | { |
Bastian Koppelmann | 9655b93 | 2014-12-12 16:55:34 +0000 | [diff] [blame] | 2228 | uint32_t result0, result1; |
| 2229 | |
| 2230 | int32_t sc1 = ((arg00 & 0xffff) == 0x8000) && |
| 2231 | ((arg10 & 0xffff) == 0x8000) && (n == 1); |
| 2232 | int32_t sc0 = ((arg01 & 0xffff) == 0x8000) && |
| 2233 | ((arg11 & 0xffff) == 0x8000) && (n == 1); |
| 2234 | if (sc1) { |
| 2235 | result1 = 0x7fffffff; |
| 2236 | } else { |
| 2237 | result1 = (((uint32_t)(arg00 * arg10)) << n); |
| 2238 | } |
| 2239 | if (sc0) { |
| 2240 | result0 = 0x7fffffff; |
| 2241 | } else { |
| 2242 | result0 = (((uint32_t)(arg01 * arg11)) << n); |
| 2243 | } |
Eduardo Habkost | 9be3859 | 2016-06-13 18:57:58 -0300 | [diff] [blame] | 2244 | return (((uint64_t)result1 << 32)) | result0; |
Bastian Koppelmann | 9655b93 | 2014-12-12 16:55:34 +0000 | [diff] [blame] | 2245 | } |
| 2246 | |
| 2247 | uint64_t helper_mulm_h(uint32_t arg00, uint32_t arg01, |
| 2248 | uint32_t arg10, uint32_t arg11, uint32_t n) |
| 2249 | { |
| 2250 | uint64_t ret; |
| 2251 | int64_t result0, result1; |
| 2252 | |
| 2253 | int32_t sc1 = ((arg00 & 0xffff) == 0x8000) && |
| 2254 | ((arg10 & 0xffff) == 0x8000) && (n == 1); |
| 2255 | int32_t sc0 = ((arg01 & 0xffff) == 0x8000) && |
| 2256 | ((arg11 & 0xffff) == 0x8000) && (n == 1); |
| 2257 | |
| 2258 | if (sc1) { |
| 2259 | result1 = 0x7fffffff; |
| 2260 | } else { |
| 2261 | result1 = (((int32_t)arg00 * (int32_t)arg10) << n); |
| 2262 | } |
| 2263 | if (sc0) { |
| 2264 | result0 = 0x7fffffff; |
| 2265 | } else { |
| 2266 | result0 = (((int32_t)arg01 * (int32_t)arg11) << n); |
| 2267 | } |
| 2268 | ret = (result1 + result0); |
| 2269 | ret = ret << 16; |
| 2270 | return ret; |
| 2271 | } |
| 2272 | uint32_t helper_mulr_h(uint32_t arg00, uint32_t arg01, |
| 2273 | uint32_t arg10, uint32_t arg11, uint32_t n) |
| 2274 | { |
| 2275 | uint32_t result0, result1; |
| 2276 | |
| 2277 | int32_t sc1 = ((arg00 & 0xffff) == 0x8000) && |
| 2278 | ((arg10 & 0xffff) == 0x8000) && (n == 1); |
| 2279 | int32_t sc0 = ((arg01 & 0xffff) == 0x8000) && |
| 2280 | ((arg11 & 0xffff) == 0x8000) && (n == 1); |
| 2281 | |
| 2282 | if (sc1) { |
| 2283 | result1 = 0x7fffffff; |
| 2284 | } else { |
| 2285 | result1 = ((arg00 * arg10) << n) + 0x8000; |
| 2286 | } |
| 2287 | if (sc0) { |
| 2288 | result0 = 0x7fffffff; |
| 2289 | } else { |
| 2290 | result0 = ((arg01 * arg11) << n) + 0x8000; |
| 2291 | } |
| 2292 | return (result1 & 0xffff0000) | (result0 >> 16); |
| 2293 | } |
| 2294 | |
Bastian Koppelmann | e5c96c8 | 2015-05-07 19:55:37 +0200 | [diff] [blame] | 2295 | uint32_t helper_crc32(uint32_t arg0, uint32_t arg1) |
| 2296 | { |
| 2297 | uint8_t buf[4]; |
Bastian Koppelmann | e5c96c8 | 2015-05-07 19:55:37 +0200 | [diff] [blame] | 2298 | stl_be_p(buf, arg0); |
| 2299 | |
Eduardo Habkost | 9be3859 | 2016-06-13 18:57:58 -0300 | [diff] [blame] | 2300 | return crc32(arg1, buf, 4); |
Bastian Koppelmann | e5c96c8 | 2015-05-07 19:55:37 +0200 | [diff] [blame] | 2301 | } |
| 2302 | |
Bastian Koppelmann | 9a31922 | 2014-09-01 12:59:55 +0100 | [diff] [blame] | 2303 | /* context save area (CSA) related helpers */ |
| 2304 | |
| 2305 | static int cdc_increment(target_ulong *psw) |
| 2306 | { |
| 2307 | if ((*psw & MASK_PSW_CDC) == 0x7f) { |
| 2308 | return 0; |
| 2309 | } |
| 2310 | |
| 2311 | (*psw)++; |
| 2312 | /* check for overflow */ |
| 2313 | int lo = clo32((*psw & MASK_PSW_CDC) << (32 - 7)); |
| 2314 | int mask = (1u << (7 - lo)) - 1; |
| 2315 | int count = *psw & mask; |
| 2316 | if (count == 0) { |
| 2317 | (*psw)--; |
| 2318 | return 1; |
| 2319 | } |
| 2320 | return 0; |
| 2321 | } |
| 2322 | |
| 2323 | static int cdc_decrement(target_ulong *psw) |
| 2324 | { |
| 2325 | if ((*psw & MASK_PSW_CDC) == 0x7f) { |
| 2326 | return 0; |
| 2327 | } |
| 2328 | /* check for underflow */ |
| 2329 | int lo = clo32((*psw & MASK_PSW_CDC) << (32 - 7)); |
| 2330 | int mask = (1u << (7 - lo)) - 1; |
| 2331 | int count = *psw & mask; |
| 2332 | if (count == 0) { |
| 2333 | return 1; |
| 2334 | } |
| 2335 | (*psw)--; |
| 2336 | return 0; |
| 2337 | } |
| 2338 | |
Bastian Koppelmann | 44ea343 | 2014-09-01 13:00:00 +0100 | [diff] [blame] | 2339 | static bool cdc_zero(target_ulong *psw) |
| 2340 | { |
| 2341 | int cdc = *psw & MASK_PSW_CDC; |
| 2342 | /* Returns TRUE if PSW.CDC.COUNT == 0 or if PSW.CDC == |
| 2343 | 7'b1111111, otherwise returns FALSE. */ |
| 2344 | if (cdc == 0x7f) { |
| 2345 | return true; |
| 2346 | } |
| 2347 | /* find CDC.COUNT */ |
| 2348 | int lo = clo32((*psw & MASK_PSW_CDC) << (32 - 7)); |
| 2349 | int mask = (1u << (7 - lo)) - 1; |
| 2350 | int count = *psw & mask; |
| 2351 | return count == 0; |
| 2352 | } |
| 2353 | |
Bastian Koppelmann | 030c58d | 2014-09-26 20:04:51 +0100 | [diff] [blame] | 2354 | static void save_context_upper(CPUTriCoreState *env, int ea) |
Bastian Koppelmann | 9a31922 | 2014-09-01 12:59:55 +0100 | [diff] [blame] | 2355 | { |
Bastian Koppelmann | 9a31922 | 2014-09-01 12:59:55 +0100 | [diff] [blame] | 2356 | cpu_stl_data(env, ea, env->PCXI); |
Bastian Koppelmann | 7237335 | 2016-02-16 22:33:13 +0100 | [diff] [blame] | 2357 | cpu_stl_data(env, ea+4, psw_read(env)); |
Bastian Koppelmann | 9a31922 | 2014-09-01 12:59:55 +0100 | [diff] [blame] | 2358 | cpu_stl_data(env, ea+8, env->gpr_a[10]); |
| 2359 | cpu_stl_data(env, ea+12, env->gpr_a[11]); |
| 2360 | cpu_stl_data(env, ea+16, env->gpr_d[8]); |
| 2361 | cpu_stl_data(env, ea+20, env->gpr_d[9]); |
| 2362 | cpu_stl_data(env, ea+24, env->gpr_d[10]); |
| 2363 | cpu_stl_data(env, ea+28, env->gpr_d[11]); |
| 2364 | cpu_stl_data(env, ea+32, env->gpr_a[12]); |
| 2365 | cpu_stl_data(env, ea+36, env->gpr_a[13]); |
| 2366 | cpu_stl_data(env, ea+40, env->gpr_a[14]); |
| 2367 | cpu_stl_data(env, ea+44, env->gpr_a[15]); |
| 2368 | cpu_stl_data(env, ea+48, env->gpr_d[12]); |
| 2369 | cpu_stl_data(env, ea+52, env->gpr_d[13]); |
| 2370 | cpu_stl_data(env, ea+56, env->gpr_d[14]); |
| 2371 | cpu_stl_data(env, ea+60, env->gpr_d[15]); |
Bastian Koppelmann | 9a31922 | 2014-09-01 12:59:55 +0100 | [diff] [blame] | 2372 | } |
| 2373 | |
Bastian Koppelmann | 030c58d | 2014-09-26 20:04:51 +0100 | [diff] [blame] | 2374 | static void save_context_lower(CPUTriCoreState *env, int ea) |
Bastian Koppelmann | 5de9351 | 2014-09-01 12:59:58 +0100 | [diff] [blame] | 2375 | { |
Bastian Koppelmann | 5de9351 | 2014-09-01 12:59:58 +0100 | [diff] [blame] | 2376 | cpu_stl_data(env, ea, env->PCXI); |
Bastian Koppelmann | 030c58d | 2014-09-26 20:04:51 +0100 | [diff] [blame] | 2377 | cpu_stl_data(env, ea+4, env->gpr_a[11]); |
Bastian Koppelmann | 5de9351 | 2014-09-01 12:59:58 +0100 | [diff] [blame] | 2378 | cpu_stl_data(env, ea+8, env->gpr_a[2]); |
| 2379 | cpu_stl_data(env, ea+12, env->gpr_a[3]); |
| 2380 | cpu_stl_data(env, ea+16, env->gpr_d[0]); |
| 2381 | cpu_stl_data(env, ea+20, env->gpr_d[1]); |
| 2382 | cpu_stl_data(env, ea+24, env->gpr_d[2]); |
| 2383 | cpu_stl_data(env, ea+28, env->gpr_d[3]); |
| 2384 | cpu_stl_data(env, ea+32, env->gpr_a[4]); |
| 2385 | cpu_stl_data(env, ea+36, env->gpr_a[5]); |
| 2386 | cpu_stl_data(env, ea+40, env->gpr_a[6]); |
| 2387 | cpu_stl_data(env, ea+44, env->gpr_a[7]); |
| 2388 | cpu_stl_data(env, ea+48, env->gpr_d[4]); |
| 2389 | cpu_stl_data(env, ea+52, env->gpr_d[5]); |
| 2390 | cpu_stl_data(env, ea+56, env->gpr_d[6]); |
| 2391 | cpu_stl_data(env, ea+60, env->gpr_d[7]); |
| 2392 | } |
| 2393 | |
Bastian Koppelmann | 9a31922 | 2014-09-01 12:59:55 +0100 | [diff] [blame] | 2394 | static void restore_context_upper(CPUTriCoreState *env, int ea, |
| 2395 | target_ulong *new_PCXI, target_ulong *new_PSW) |
| 2396 | { |
| 2397 | *new_PCXI = cpu_ldl_data(env, ea); |
| 2398 | *new_PSW = cpu_ldl_data(env, ea+4); |
| 2399 | env->gpr_a[10] = cpu_ldl_data(env, ea+8); |
| 2400 | env->gpr_a[11] = cpu_ldl_data(env, ea+12); |
| 2401 | env->gpr_d[8] = cpu_ldl_data(env, ea+16); |
| 2402 | env->gpr_d[9] = cpu_ldl_data(env, ea+20); |
| 2403 | env->gpr_d[10] = cpu_ldl_data(env, ea+24); |
| 2404 | env->gpr_d[11] = cpu_ldl_data(env, ea+28); |
| 2405 | env->gpr_a[12] = cpu_ldl_data(env, ea+32); |
| 2406 | env->gpr_a[13] = cpu_ldl_data(env, ea+36); |
| 2407 | env->gpr_a[14] = cpu_ldl_data(env, ea+40); |
| 2408 | env->gpr_a[15] = cpu_ldl_data(env, ea+44); |
| 2409 | env->gpr_d[12] = cpu_ldl_data(env, ea+48); |
| 2410 | env->gpr_d[13] = cpu_ldl_data(env, ea+52); |
| 2411 | env->gpr_d[14] = cpu_ldl_data(env, ea+56); |
| 2412 | env->gpr_d[15] = cpu_ldl_data(env, ea+60); |
Bastian Koppelmann | 9a31922 | 2014-09-01 12:59:55 +0100 | [diff] [blame] | 2413 | } |
| 2414 | |
Bastian Koppelmann | 59543d4 | 2014-09-26 20:26:31 +0100 | [diff] [blame] | 2415 | static void restore_context_lower(CPUTriCoreState *env, int ea, |
| 2416 | target_ulong *ra, target_ulong *pcxi) |
| 2417 | { |
| 2418 | *pcxi = cpu_ldl_data(env, ea); |
| 2419 | *ra = cpu_ldl_data(env, ea+4); |
| 2420 | env->gpr_a[2] = cpu_ldl_data(env, ea+8); |
| 2421 | env->gpr_a[3] = cpu_ldl_data(env, ea+12); |
| 2422 | env->gpr_d[0] = cpu_ldl_data(env, ea+16); |
| 2423 | env->gpr_d[1] = cpu_ldl_data(env, ea+20); |
| 2424 | env->gpr_d[2] = cpu_ldl_data(env, ea+24); |
| 2425 | env->gpr_d[3] = cpu_ldl_data(env, ea+28); |
| 2426 | env->gpr_a[4] = cpu_ldl_data(env, ea+32); |
| 2427 | env->gpr_a[5] = cpu_ldl_data(env, ea+36); |
| 2428 | env->gpr_a[6] = cpu_ldl_data(env, ea+40); |
| 2429 | env->gpr_a[7] = cpu_ldl_data(env, ea+44); |
| 2430 | env->gpr_d[4] = cpu_ldl_data(env, ea+48); |
| 2431 | env->gpr_d[5] = cpu_ldl_data(env, ea+52); |
| 2432 | env->gpr_d[6] = cpu_ldl_data(env, ea+56); |
| 2433 | env->gpr_d[7] = cpu_ldl_data(env, ea+60); |
| 2434 | } |
| 2435 | |
Bastian Koppelmann | 9a31922 | 2014-09-01 12:59:55 +0100 | [diff] [blame] | 2436 | void helper_call(CPUTriCoreState *env, uint32_t next_pc) |
| 2437 | { |
| 2438 | target_ulong tmp_FCX; |
| 2439 | target_ulong ea; |
| 2440 | target_ulong new_FCX; |
| 2441 | target_ulong psw; |
| 2442 | |
| 2443 | psw = psw_read(env); |
| 2444 | /* if (FCX == 0) trap(FCU); */ |
| 2445 | if (env->FCX == 0) { |
| 2446 | /* FCU trap */ |
Bastian Koppelmann | 3292b44 | 2016-02-19 14:43:44 +0100 | [diff] [blame] | 2447 | raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_FCU, GETPC()); |
Bastian Koppelmann | 9a31922 | 2014-09-01 12:59:55 +0100 | [diff] [blame] | 2448 | } |
| 2449 | /* if (PSW.CDE) then if (cdc_increment()) then trap(CDO); */ |
| 2450 | if (psw & MASK_PSW_CDE) { |
| 2451 | if (cdc_increment(&psw)) { |
| 2452 | /* CDO trap */ |
Bastian Koppelmann | 3292b44 | 2016-02-19 14:43:44 +0100 | [diff] [blame] | 2453 | raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_CDO, GETPC()); |
Bastian Koppelmann | 9a31922 | 2014-09-01 12:59:55 +0100 | [diff] [blame] | 2454 | } |
| 2455 | } |
| 2456 | /* PSW.CDE = 1;*/ |
| 2457 | psw |= MASK_PSW_CDE; |
| 2458 | /* tmp_FCX = FCX; */ |
| 2459 | tmp_FCX = env->FCX; |
| 2460 | /* EA = {FCX.FCXS, 6'b0, FCX.FCXO, 6'b0}; */ |
| 2461 | ea = ((env->FCX & MASK_FCX_FCXS) << 12) + |
| 2462 | ((env->FCX & MASK_FCX_FCXO) << 6); |
Bastian Koppelmann | 030c58d | 2014-09-26 20:04:51 +0100 | [diff] [blame] | 2463 | /* new_FCX = M(EA, word); */ |
| 2464 | new_FCX = cpu_ldl_data(env, ea); |
| 2465 | /* M(EA, 16 * word) = {PCXI, PSW, A[10], A[11], D[8], D[9], D[10], D[11], |
| 2466 | A[12], A[13], A[14], A[15], D[12], D[13], D[14], |
| 2467 | D[15]}; */ |
| 2468 | save_context_upper(env, ea); |
Bastian Koppelmann | 9a31922 | 2014-09-01 12:59:55 +0100 | [diff] [blame] | 2469 | |
| 2470 | /* PCXI.PCPN = ICR.CCPN; */ |
| 2471 | env->PCXI = (env->PCXI & 0xffffff) + |
| 2472 | ((env->ICR & MASK_ICR_CCPN) << 24); |
| 2473 | /* PCXI.PIE = ICR.IE; */ |
David Brenken | ce46335 | 2018-03-01 16:56:19 +0100 | [diff] [blame] | 2474 | env->PCXI = ((env->PCXI & ~MASK_PCXI_PIE_1_3) + |
David Brenken | d1cbc28 | 2018-03-01 16:56:18 +0100 | [diff] [blame] | 2475 | ((env->ICR & MASK_ICR_IE_1_3) << 15)); |
Bastian Koppelmann | 9a31922 | 2014-09-01 12:59:55 +0100 | [diff] [blame] | 2476 | /* PCXI.UL = 1; */ |
| 2477 | env->PCXI |= MASK_PCXI_UL; |
| 2478 | |
| 2479 | /* PCXI[19: 0] = FCX[19: 0]; */ |
| 2480 | env->PCXI = (env->PCXI & 0xfff00000) + (env->FCX & 0xfffff); |
| 2481 | /* FCX[19: 0] = new_FCX[19: 0]; */ |
| 2482 | env->FCX = (env->FCX & 0xfff00000) + (new_FCX & 0xfffff); |
| 2483 | /* A[11] = next_pc[31: 0]; */ |
| 2484 | env->gpr_a[11] = next_pc; |
| 2485 | |
| 2486 | /* if (tmp_FCX == LCX) trap(FCD);*/ |
| 2487 | if (tmp_FCX == env->LCX) { |
| 2488 | /* FCD trap */ |
Bastian Koppelmann | 3292b44 | 2016-02-19 14:43:44 +0100 | [diff] [blame] | 2489 | raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_FCD, GETPC()); |
Bastian Koppelmann | 9a31922 | 2014-09-01 12:59:55 +0100 | [diff] [blame] | 2490 | } |
| 2491 | psw_write(env, psw); |
| 2492 | } |
| 2493 | |
| 2494 | void helper_ret(CPUTriCoreState *env) |
| 2495 | { |
| 2496 | target_ulong ea; |
| 2497 | target_ulong new_PCXI; |
| 2498 | target_ulong new_PSW, psw; |
| 2499 | |
| 2500 | psw = psw_read(env); |
| 2501 | /* if (PSW.CDE) then if (cdc_decrement()) then trap(CDU);*/ |
Bastian Koppelmann | 3292b44 | 2016-02-19 14:43:44 +0100 | [diff] [blame] | 2502 | if (psw & MASK_PSW_CDE) { |
| 2503 | if (cdc_decrement(&psw)) { |
Bastian Koppelmann | 9a31922 | 2014-09-01 12:59:55 +0100 | [diff] [blame] | 2504 | /* CDU trap */ |
Bastian Koppelmann | 3292b44 | 2016-02-19 14:43:44 +0100 | [diff] [blame] | 2505 | psw_write(env, psw); |
| 2506 | raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_CDU, GETPC()); |
Bastian Koppelmann | 9a31922 | 2014-09-01 12:59:55 +0100 | [diff] [blame] | 2507 | } |
| 2508 | } |
| 2509 | /* if (PCXI[19: 0] == 0) then trap(CSU); */ |
| 2510 | if ((env->PCXI & 0xfffff) == 0) { |
| 2511 | /* CSU trap */ |
Bastian Koppelmann | 3292b44 | 2016-02-19 14:43:44 +0100 | [diff] [blame] | 2512 | psw_write(env, psw); |
| 2513 | raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_CSU, GETPC()); |
Bastian Koppelmann | 9a31922 | 2014-09-01 12:59:55 +0100 | [diff] [blame] | 2514 | } |
| 2515 | /* if (PCXI.UL == 0) then trap(CTYP); */ |
| 2516 | if ((env->PCXI & MASK_PCXI_UL) == 0) { |
| 2517 | /* CTYP trap */ |
Bastian Koppelmann | 3292b44 | 2016-02-19 14:43:44 +0100 | [diff] [blame] | 2518 | cdc_increment(&psw); /* restore to the start of helper */ |
| 2519 | psw_write(env, psw); |
| 2520 | raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_CTYP, GETPC()); |
Bastian Koppelmann | 9a31922 | 2014-09-01 12:59:55 +0100 | [diff] [blame] | 2521 | } |
| 2522 | /* PC = {A11 [31: 1], 1’b0}; */ |
| 2523 | env->PC = env->gpr_a[11] & 0xfffffffe; |
| 2524 | |
| 2525 | /* EA = {PCXI.PCXS, 6'b0, PCXI.PCXO, 6'b0}; */ |
| 2526 | ea = ((env->PCXI & MASK_PCXI_PCXS) << 12) + |
| 2527 | ((env->PCXI & MASK_PCXI_PCXO) << 6); |
| 2528 | /* {new_PCXI, new_PSW, A[10], A[11], D[8], D[9], D[10], D[11], A[12], |
Bastian Koppelmann | 030c58d | 2014-09-26 20:04:51 +0100 | [diff] [blame] | 2529 | A[13], A[14], A[15], D[12], D[13], D[14], D[15]} = M(EA, 16 * word); */ |
Bastian Koppelmann | 9a31922 | 2014-09-01 12:59:55 +0100 | [diff] [blame] | 2530 | restore_context_upper(env, ea, &new_PCXI, &new_PSW); |
Bastian Koppelmann | 030c58d | 2014-09-26 20:04:51 +0100 | [diff] [blame] | 2531 | /* M(EA, word) = FCX; */ |
| 2532 | cpu_stl_data(env, ea, env->FCX); |
Bastian Koppelmann | 9a31922 | 2014-09-01 12:59:55 +0100 | [diff] [blame] | 2533 | /* FCX[19: 0] = PCXI[19: 0]; */ |
| 2534 | env->FCX = (env->FCX & 0xfff00000) + (env->PCXI & 0x000fffff); |
| 2535 | /* PCXI = new_PCXI; */ |
| 2536 | env->PCXI = new_PCXI; |
| 2537 | |
| 2538 | if (tricore_feature(env, TRICORE_FEATURE_13)) { |
| 2539 | /* PSW = new_PSW */ |
| 2540 | psw_write(env, new_PSW); |
| 2541 | } else { |
| 2542 | /* PSW = {new_PSW[31:26], PSW[25:24], new_PSW[23:0]}; */ |
| 2543 | psw_write(env, (new_PSW & ~(0x3000000)) + (psw & (0x3000000))); |
| 2544 | } |
| 2545 | } |
| 2546 | |
Bastian Koppelmann | 5de9351 | 2014-09-01 12:59:58 +0100 | [diff] [blame] | 2547 | void helper_bisr(CPUTriCoreState *env, uint32_t const9) |
| 2548 | { |
| 2549 | target_ulong tmp_FCX; |
| 2550 | target_ulong ea; |
| 2551 | target_ulong new_FCX; |
| 2552 | |
| 2553 | if (env->FCX == 0) { |
| 2554 | /* FCU trap */ |
Bastian Koppelmann | 3292b44 | 2016-02-19 14:43:44 +0100 | [diff] [blame] | 2555 | raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_FCU, GETPC()); |
Bastian Koppelmann | 5de9351 | 2014-09-01 12:59:58 +0100 | [diff] [blame] | 2556 | } |
| 2557 | |
| 2558 | tmp_FCX = env->FCX; |
| 2559 | ea = ((env->FCX & 0xf0000) << 12) + ((env->FCX & 0xffff) << 6); |
| 2560 | |
Bastian Koppelmann | 030c58d | 2014-09-26 20:04:51 +0100 | [diff] [blame] | 2561 | /* new_FCX = M(EA, word); */ |
| 2562 | new_FCX = cpu_ldl_data(env, ea); |
| 2563 | /* M(EA, 16 * word) = {PCXI, A[11], A[2], A[3], D[0], D[1], D[2], D[3], A[4] |
| 2564 | , A[5], A[6], A[7], D[4], D[5], D[6], D[7]}; */ |
| 2565 | save_context_lower(env, ea); |
| 2566 | |
Bastian Koppelmann | 5de9351 | 2014-09-01 12:59:58 +0100 | [diff] [blame] | 2567 | |
| 2568 | /* PCXI.PCPN = ICR.CCPN */ |
| 2569 | env->PCXI = (env->PCXI & 0xffffff) + |
| 2570 | ((env->ICR & MASK_ICR_CCPN) << 24); |
| 2571 | /* PCXI.PIE = ICR.IE */ |
David Brenken | ce46335 | 2018-03-01 16:56:19 +0100 | [diff] [blame] | 2572 | env->PCXI = ((env->PCXI & ~MASK_PCXI_PIE_1_3) + |
David Brenken | d1cbc28 | 2018-03-01 16:56:18 +0100 | [diff] [blame] | 2573 | ((env->ICR & MASK_ICR_IE_1_3) << 15)); |
Bastian Koppelmann | 5de9351 | 2014-09-01 12:59:58 +0100 | [diff] [blame] | 2574 | /* PCXI.UL = 0 */ |
| 2575 | env->PCXI &= ~(MASK_PCXI_UL); |
| 2576 | /* PCXI[19: 0] = FCX[19: 0] */ |
| 2577 | env->PCXI = (env->PCXI & 0xfff00000) + (env->FCX & 0xfffff); |
| 2578 | /* FXC[19: 0] = new_FCX[19: 0] */ |
| 2579 | env->FCX = (env->FCX & 0xfff00000) + (new_FCX & 0xfffff); |
| 2580 | /* ICR.IE = 1 */ |
David Brenken | d1cbc28 | 2018-03-01 16:56:18 +0100 | [diff] [blame] | 2581 | env->ICR |= MASK_ICR_IE_1_3; |
Bastian Koppelmann | 5de9351 | 2014-09-01 12:59:58 +0100 | [diff] [blame] | 2582 | |
| 2583 | env->ICR |= const9; /* ICR.CCPN = const9[7: 0];*/ |
| 2584 | |
| 2585 | if (tmp_FCX == env->LCX) { |
| 2586 | /* FCD trap */ |
Bastian Koppelmann | 3292b44 | 2016-02-19 14:43:44 +0100 | [diff] [blame] | 2587 | raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_FCD, GETPC()); |
Bastian Koppelmann | 5de9351 | 2014-09-01 12:59:58 +0100 | [diff] [blame] | 2588 | } |
| 2589 | } |
| 2590 | |
Bastian Koppelmann | 44ea343 | 2014-09-01 13:00:00 +0100 | [diff] [blame] | 2591 | void helper_rfe(CPUTriCoreState *env) |
| 2592 | { |
| 2593 | target_ulong ea; |
| 2594 | target_ulong new_PCXI; |
| 2595 | target_ulong new_PSW; |
| 2596 | /* if (PCXI[19: 0] == 0) then trap(CSU); */ |
| 2597 | if ((env->PCXI & 0xfffff) == 0) { |
| 2598 | /* raise csu trap */ |
Bastian Koppelmann | 3292b44 | 2016-02-19 14:43:44 +0100 | [diff] [blame] | 2599 | raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_CSU, GETPC()); |
Bastian Koppelmann | 44ea343 | 2014-09-01 13:00:00 +0100 | [diff] [blame] | 2600 | } |
| 2601 | /* if (PCXI.UL == 0) then trap(CTYP); */ |
| 2602 | if ((env->PCXI & MASK_PCXI_UL) == 0) { |
| 2603 | /* raise CTYP trap */ |
Bastian Koppelmann | 3292b44 | 2016-02-19 14:43:44 +0100 | [diff] [blame] | 2604 | raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_CTYP, GETPC()); |
Bastian Koppelmann | 44ea343 | 2014-09-01 13:00:00 +0100 | [diff] [blame] | 2605 | } |
| 2606 | /* if (!cdc_zero() AND PSW.CDE) then trap(NEST); */ |
| 2607 | if (!cdc_zero(&(env->PSW)) && (env->PSW & MASK_PSW_CDE)) { |
Bastian Koppelmann | 3292b44 | 2016-02-19 14:43:44 +0100 | [diff] [blame] | 2608 | /* raise NEST trap */ |
| 2609 | raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_NEST, GETPC()); |
Bastian Koppelmann | 44ea343 | 2014-09-01 13:00:00 +0100 | [diff] [blame] | 2610 | } |
Bastian Koppelmann | 3446a11 | 2015-05-05 19:41:10 +0200 | [diff] [blame] | 2611 | env->PC = env->gpr_a[11] & ~0x1; |
Bastian Koppelmann | 44ea343 | 2014-09-01 13:00:00 +0100 | [diff] [blame] | 2612 | /* ICR.IE = PCXI.PIE; */ |
David Brenken | d1cbc28 | 2018-03-01 16:56:18 +0100 | [diff] [blame] | 2613 | env->ICR = (env->ICR & ~MASK_ICR_IE_1_3) |
David Brenken | ce46335 | 2018-03-01 16:56:19 +0100 | [diff] [blame] | 2614 | + ((env->PCXI & MASK_PCXI_PIE_1_3) >> 15); |
Bastian Koppelmann | 44ea343 | 2014-09-01 13:00:00 +0100 | [diff] [blame] | 2615 | /* ICR.CCPN = PCXI.PCPN; */ |
| 2616 | env->ICR = (env->ICR & ~MASK_ICR_CCPN) + |
| 2617 | ((env->PCXI & MASK_PCXI_PCPN) >> 24); |
| 2618 | /*EA = {PCXI.PCXS, 6'b0, PCXI.PCXO, 6'b0};*/ |
| 2619 | ea = ((env->PCXI & MASK_PCXI_PCXS) << 12) + |
| 2620 | ((env->PCXI & MASK_PCXI_PCXO) << 6); |
| 2621 | /*{new_PCXI, PSW, A[10], A[11], D[8], D[9], D[10], D[11], A[12], |
Bastian Koppelmann | 030c58d | 2014-09-26 20:04:51 +0100 | [diff] [blame] | 2622 | A[13], A[14], A[15], D[12], D[13], D[14], D[15]} = M(EA, 16 * word); */ |
Bastian Koppelmann | 44ea343 | 2014-09-01 13:00:00 +0100 | [diff] [blame] | 2623 | restore_context_upper(env, ea, &new_PCXI, &new_PSW); |
Bastian Koppelmann | 030c58d | 2014-09-26 20:04:51 +0100 | [diff] [blame] | 2624 | /* M(EA, word) = FCX;*/ |
| 2625 | cpu_stl_data(env, ea, env->FCX); |
Bastian Koppelmann | 44ea343 | 2014-09-01 13:00:00 +0100 | [diff] [blame] | 2626 | /* FCX[19: 0] = PCXI[19: 0]; */ |
| 2627 | env->FCX = (env->FCX & 0xfff00000) + (env->PCXI & 0x000fffff); |
| 2628 | /* PCXI = new_PCXI; */ |
| 2629 | env->PCXI = new_PCXI; |
| 2630 | /* write psw */ |
| 2631 | psw_write(env, new_PSW); |
| 2632 | } |
| 2633 | |
Bastian Koppelmann | b724b01 | 2015-02-25 12:29:24 +0000 | [diff] [blame] | 2634 | void helper_rfm(CPUTriCoreState *env) |
| 2635 | { |
| 2636 | env->PC = (env->gpr_a[11] & ~0x1); |
| 2637 | /* ICR.IE = PCXI.PIE; */ |
David Brenken | ce46335 | 2018-03-01 16:56:19 +0100 | [diff] [blame] | 2638 | env->ICR = (env->ICR & ~MASK_ICR_IE_1_3) |
| 2639 | | ((env->PCXI & MASK_PCXI_PIE_1_3) >> 15); |
Bastian Koppelmann | b724b01 | 2015-02-25 12:29:24 +0000 | [diff] [blame] | 2640 | /* ICR.CCPN = PCXI.PCPN; */ |
| 2641 | env->ICR = (env->ICR & ~MASK_ICR_CCPN) | |
Paolo Bonzini | 5f37fd8 | 2015-06-24 14:01:10 +0200 | [diff] [blame] | 2642 | ((env->PCXI & MASK_PCXI_PCPN) >> 24); |
Bastian Koppelmann | b724b01 | 2015-02-25 12:29:24 +0000 | [diff] [blame] | 2643 | /* {PCXI, PSW, A[10], A[11]} = M(DCX, 4 * word); */ |
| 2644 | env->PCXI = cpu_ldl_data(env, env->DCX); |
| 2645 | psw_write(env, cpu_ldl_data(env, env->DCX+4)); |
| 2646 | env->gpr_a[10] = cpu_ldl_data(env, env->DCX+8); |
| 2647 | env->gpr_a[11] = cpu_ldl_data(env, env->DCX+12); |
| 2648 | |
| 2649 | if (tricore_feature(env, TRICORE_FEATURE_131)) { |
| 2650 | env->DBGTCR = 0; |
| 2651 | } |
| 2652 | } |
| 2653 | |
Bastian Koppelmann | 59543d4 | 2014-09-26 20:26:31 +0100 | [diff] [blame] | 2654 | void helper_ldlcx(CPUTriCoreState *env, uint32_t ea) |
| 2655 | { |
| 2656 | uint32_t dummy; |
| 2657 | /* insn doesn't load PCXI and RA */ |
| 2658 | restore_context_lower(env, ea, &dummy, &dummy); |
| 2659 | } |
| 2660 | |
| 2661 | void helper_lducx(CPUTriCoreState *env, uint32_t ea) |
| 2662 | { |
| 2663 | uint32_t dummy; |
| 2664 | /* insn doesn't load PCXI and PSW */ |
| 2665 | restore_context_upper(env, ea, &dummy, &dummy); |
| 2666 | } |
| 2667 | |
| 2668 | void helper_stlcx(CPUTriCoreState *env, uint32_t ea) |
| 2669 | { |
| 2670 | save_context_lower(env, ea); |
| 2671 | } |
| 2672 | |
| 2673 | void helper_stucx(CPUTriCoreState *env, uint32_t ea) |
| 2674 | { |
| 2675 | save_context_upper(env, ea); |
| 2676 | } |
| 2677 | |
Bastian Koppelmann | b724b01 | 2015-02-25 12:29:24 +0000 | [diff] [blame] | 2678 | void helper_svlcx(CPUTriCoreState *env) |
| 2679 | { |
| 2680 | target_ulong tmp_FCX; |
| 2681 | target_ulong ea; |
| 2682 | target_ulong new_FCX; |
| 2683 | |
| 2684 | if (env->FCX == 0) { |
| 2685 | /* FCU trap */ |
Bastian Koppelmann | 3292b44 | 2016-02-19 14:43:44 +0100 | [diff] [blame] | 2686 | raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_FCU, GETPC()); |
Bastian Koppelmann | b724b01 | 2015-02-25 12:29:24 +0000 | [diff] [blame] | 2687 | } |
| 2688 | /* tmp_FCX = FCX; */ |
| 2689 | tmp_FCX = env->FCX; |
| 2690 | /* EA = {FCX.FCXS, 6'b0, FCX.FCXO, 6'b0}; */ |
| 2691 | ea = ((env->FCX & MASK_FCX_FCXS) << 12) + |
| 2692 | ((env->FCX & MASK_FCX_FCXO) << 6); |
| 2693 | /* new_FCX = M(EA, word); */ |
| 2694 | new_FCX = cpu_ldl_data(env, ea); |
| 2695 | /* M(EA, 16 * word) = {PCXI, PSW, A[10], A[11], D[8], D[9], D[10], D[11], |
| 2696 | A[12], A[13], A[14], A[15], D[12], D[13], D[14], |
| 2697 | D[15]}; */ |
| 2698 | save_context_lower(env, ea); |
| 2699 | |
| 2700 | /* PCXI.PCPN = ICR.CCPN; */ |
| 2701 | env->PCXI = (env->PCXI & 0xffffff) + |
| 2702 | ((env->ICR & MASK_ICR_CCPN) << 24); |
| 2703 | /* PCXI.PIE = ICR.IE; */ |
David Brenken | ce46335 | 2018-03-01 16:56:19 +0100 | [diff] [blame] | 2704 | env->PCXI = ((env->PCXI & ~MASK_PCXI_PIE_1_3) + |
David Brenken | d1cbc28 | 2018-03-01 16:56:18 +0100 | [diff] [blame] | 2705 | ((env->ICR & MASK_ICR_IE_1_3) << 15)); |
Bastian Koppelmann | b724b01 | 2015-02-25 12:29:24 +0000 | [diff] [blame] | 2706 | /* PCXI.UL = 0; */ |
| 2707 | env->PCXI &= ~MASK_PCXI_UL; |
| 2708 | |
| 2709 | /* PCXI[19: 0] = FCX[19: 0]; */ |
| 2710 | env->PCXI = (env->PCXI & 0xfff00000) + (env->FCX & 0xfffff); |
| 2711 | /* FCX[19: 0] = new_FCX[19: 0]; */ |
| 2712 | env->FCX = (env->FCX & 0xfff00000) + (new_FCX & 0xfffff); |
| 2713 | |
| 2714 | /* if (tmp_FCX == LCX) trap(FCD);*/ |
| 2715 | if (tmp_FCX == env->LCX) { |
| 2716 | /* FCD trap */ |
Bastian Koppelmann | 3292b44 | 2016-02-19 14:43:44 +0100 | [diff] [blame] | 2717 | raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_FCD, GETPC()); |
Bastian Koppelmann | b724b01 | 2015-02-25 12:29:24 +0000 | [diff] [blame] | 2718 | } |
| 2719 | } |
| 2720 | |
Bastian Koppelmann | 518d7fd | 2016-02-19 14:43:43 +0100 | [diff] [blame] | 2721 | void helper_svucx(CPUTriCoreState *env) |
| 2722 | { |
| 2723 | target_ulong tmp_FCX; |
| 2724 | target_ulong ea; |
| 2725 | target_ulong new_FCX; |
| 2726 | |
| 2727 | if (env->FCX == 0) { |
| 2728 | /* FCU trap */ |
Bastian Koppelmann | 3292b44 | 2016-02-19 14:43:44 +0100 | [diff] [blame] | 2729 | raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_FCU, GETPC()); |
Bastian Koppelmann | 518d7fd | 2016-02-19 14:43:43 +0100 | [diff] [blame] | 2730 | } |
| 2731 | /* tmp_FCX = FCX; */ |
| 2732 | tmp_FCX = env->FCX; |
| 2733 | /* EA = {FCX.FCXS, 6'b0, FCX.FCXO, 6'b0}; */ |
| 2734 | ea = ((env->FCX & MASK_FCX_FCXS) << 12) + |
| 2735 | ((env->FCX & MASK_FCX_FCXO) << 6); |
| 2736 | /* new_FCX = M(EA, word); */ |
| 2737 | new_FCX = cpu_ldl_data(env, ea); |
| 2738 | /* M(EA, 16 * word) = {PCXI, PSW, A[10], A[11], D[8], D[9], D[10], D[11], |
| 2739 | A[12], A[13], A[14], A[15], D[12], D[13], D[14], |
| 2740 | D[15]}; */ |
| 2741 | save_context_upper(env, ea); |
| 2742 | |
| 2743 | /* PCXI.PCPN = ICR.CCPN; */ |
| 2744 | env->PCXI = (env->PCXI & 0xffffff) + |
| 2745 | ((env->ICR & MASK_ICR_CCPN) << 24); |
| 2746 | /* PCXI.PIE = ICR.IE; */ |
David Brenken | ce46335 | 2018-03-01 16:56:19 +0100 | [diff] [blame] | 2747 | env->PCXI = ((env->PCXI & ~MASK_PCXI_PIE_1_3) + |
David Brenken | d1cbc28 | 2018-03-01 16:56:18 +0100 | [diff] [blame] | 2748 | ((env->ICR & MASK_ICR_IE_1_3) << 15)); |
Bastian Koppelmann | 518d7fd | 2016-02-19 14:43:43 +0100 | [diff] [blame] | 2749 | /* PCXI.UL = 1; */ |
| 2750 | env->PCXI |= MASK_PCXI_UL; |
| 2751 | |
| 2752 | /* PCXI[19: 0] = FCX[19: 0]; */ |
| 2753 | env->PCXI = (env->PCXI & 0xfff00000) + (env->FCX & 0xfffff); |
| 2754 | /* FCX[19: 0] = new_FCX[19: 0]; */ |
| 2755 | env->FCX = (env->FCX & 0xfff00000) + (new_FCX & 0xfffff); |
| 2756 | |
| 2757 | /* if (tmp_FCX == LCX) trap(FCD);*/ |
| 2758 | if (tmp_FCX == env->LCX) { |
| 2759 | /* FCD trap */ |
Bastian Koppelmann | 3292b44 | 2016-02-19 14:43:44 +0100 | [diff] [blame] | 2760 | raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_FCD, GETPC()); |
Bastian Koppelmann | 518d7fd | 2016-02-19 14:43:43 +0100 | [diff] [blame] | 2761 | } |
| 2762 | } |
| 2763 | |
Bastian Koppelmann | b724b01 | 2015-02-25 12:29:24 +0000 | [diff] [blame] | 2764 | void helper_rslcx(CPUTriCoreState *env) |
| 2765 | { |
| 2766 | target_ulong ea; |
| 2767 | target_ulong new_PCXI; |
| 2768 | /* if (PCXI[19: 0] == 0) then trap(CSU); */ |
| 2769 | if ((env->PCXI & 0xfffff) == 0) { |
| 2770 | /* CSU trap */ |
Bastian Koppelmann | 3292b44 | 2016-02-19 14:43:44 +0100 | [diff] [blame] | 2771 | raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_CSU, GETPC()); |
Bastian Koppelmann | b724b01 | 2015-02-25 12:29:24 +0000 | [diff] [blame] | 2772 | } |
| 2773 | /* if (PCXI.UL == 1) then trap(CTYP); */ |
Stefan Weil | 7b4b0b5 | 2015-03-21 14:44:58 +0100 | [diff] [blame] | 2774 | if ((env->PCXI & MASK_PCXI_UL) != 0) { |
Bastian Koppelmann | b724b01 | 2015-02-25 12:29:24 +0000 | [diff] [blame] | 2775 | /* CTYP trap */ |
Bastian Koppelmann | 3292b44 | 2016-02-19 14:43:44 +0100 | [diff] [blame] | 2776 | raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_CTYP, GETPC()); |
Bastian Koppelmann | b724b01 | 2015-02-25 12:29:24 +0000 | [diff] [blame] | 2777 | } |
| 2778 | /* EA = {PCXI.PCXS, 6'b0, PCXI.PCXO, 6'b0}; */ |
| 2779 | ea = ((env->PCXI & MASK_PCXI_PCXS) << 12) + |
| 2780 | ((env->PCXI & MASK_PCXI_PCXO) << 6); |
| 2781 | /* {new_PCXI, A[11], A[10], A[11], D[8], D[9], D[10], D[11], A[12], |
| 2782 | A[13], A[14], A[15], D[12], D[13], D[14], D[15]} = M(EA, 16 * word); */ |
Bastian Koppelmann | bc72f8a | 2015-05-05 19:39:18 +0200 | [diff] [blame] | 2783 | restore_context_lower(env, ea, &env->gpr_a[11], &new_PCXI); |
Bastian Koppelmann | b724b01 | 2015-02-25 12:29:24 +0000 | [diff] [blame] | 2784 | /* M(EA, word) = FCX; */ |
| 2785 | cpu_stl_data(env, ea, env->FCX); |
| 2786 | /* M(EA, word) = FCX; */ |
| 2787 | cpu_stl_data(env, ea, env->FCX); |
| 2788 | /* FCX[19: 0] = PCXI[19: 0]; */ |
| 2789 | env->FCX = (env->FCX & 0xfff00000) + (env->PCXI & 0x000fffff); |
| 2790 | /* PCXI = new_PCXI; */ |
| 2791 | env->PCXI = new_PCXI; |
| 2792 | } |
| 2793 | |
Bastian Koppelmann | 2b2f7d9 | 2014-10-30 12:06:53 +0000 | [diff] [blame] | 2794 | void helper_psw_write(CPUTriCoreState *env, uint32_t arg) |
| 2795 | { |
| 2796 | psw_write(env, arg); |
| 2797 | } |
| 2798 | |
| 2799 | uint32_t helper_psw_read(CPUTriCoreState *env) |
| 2800 | { |
| 2801 | return psw_read(env); |
| 2802 | } |