18b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* 28b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * ARM helper routines 38b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * 48b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * Copyright (c) 2005-2007 CodeSourcery, LLC 58b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * 68b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * This library is free software; you can redistribute it and/or 78b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * modify it under the terms of the GNU Lesser General Public 88b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * License as published by the Free Software Foundation; either 98b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * version 2 of the License, or (at your option) any later version. 108b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * 118b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * This library is distributed in the hope that it will be useful, 128b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * but WITHOUT ANY WARRANTY; without even the implied warranty of 138b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 148b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * Lesser General Public License for more details. 158b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * 168b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * You should have received a copy of the GNU Lesser General Public 175285864985be9077e58e42235af6582dee72e841David 'Digit' Turner * License along with this library; if not, see <http://www.gnu.org/licenses/>. 188b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project */ 19a889d35e76c8ea18caf70c738fd585c64b857369David 'Digit' Turner#include "cpu.h" 2086b1fb06ee6ef53d8961ce96343ba4aa37518840David 'Digit' Turner#include "tcg.h" 215285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#include "helper.h" 228b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 238b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define SIGNBIT (uint32_t)0x80000000 248b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define SIGNBIT64 ((uint64_t)1 << 63) 258b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 266657678c3d86395084f6a699e73614195f06c445David 'Digit' Turner#if !defined(CONFIG_USER_ONLY) 270b4c9e8457959b01cd26f60ef214e9b5b7a297d4David 'Digit' Turnerstatic void raise_exception(CPUARMState *env, int tt) 288b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 298b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->exception_index = tt; 3085c62200dbdb7ced04b34cb228098b888a8cd828David 'Digit' Turner cpu_loop_exit(env); 318b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 326657678c3d86395084f6a699e73614195f06c445David 'Digit' Turner#endif 338b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 340b4c9e8457959b01cd26f60ef214e9b5b7a297d4David 'Digit' Turneruint32_t HELPER(neon_tbl)(CPUARMState *env, uint32_t ireg, uint32_t def, 358b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint32_t rn, uint32_t maxindex) 368b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 378b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint32_t val; 388b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint32_t tmp; 398b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int index; 408b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int shift; 418b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint64_t *table; 428b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project table = (uint64_t *)&env->vfp.regs[rn]; 438b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project val = 0; 448b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project for (shift = 0; shift < 32; shift += 8) { 458b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project index = (ireg >> shift) & 0xff; 468b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (index < maxindex) { 475d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner tmp = (table[index >> 3] >> ((index & 7) << 3)) & 0xff; 488b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project val |= tmp << shift; 498b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } else { 508b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project val |= def & (0xff << shift); 518b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 528b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 538b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return val; 548b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 558b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 566657678c3d86395084f6a699e73614195f06c445David 'Digit' Turner#undef env 576657678c3d86395084f6a699e73614195f06c445David 'Digit' Turner 588b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#if !defined(CONFIG_USER_ONLY) 598b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 60a889d35e76c8ea18caf70c738fd585c64b857369David 'Digit' Turner 618b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define MMUSUFFIX _mmu 628b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 638b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define SHIFT 0 64852088c7e08182c2de563872d558309815cbfa0dDavid 'Digit' Turner#include "exec/softmmu_template.h" 658b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 668b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define SHIFT 1 67852088c7e08182c2de563872d558309815cbfa0dDavid 'Digit' Turner#include "exec/softmmu_template.h" 688b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 698b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define SHIFT 2 70852088c7e08182c2de563872d558309815cbfa0dDavid 'Digit' Turner#include "exec/softmmu_template.h" 718b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 728b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define SHIFT 3 73852088c7e08182c2de563872d558309815cbfa0dDavid 'Digit' Turner#include "exec/softmmu_template.h" 748b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 758b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* try to fill the TLB and return an exception if error. If retaddr is 768b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project NULL, it means that the function was called in C code (i.e. not 778b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project from generated code or from helper.c) */ 780b4c9e8457959b01cd26f60ef214e9b5b7a297d4David 'Digit' Turnervoid tlb_fill(CPUARMState *env, target_ulong addr, int is_write, int mmu_idx, 790b4c9e8457959b01cd26f60ef214e9b5b7a297d4David 'Digit' Turner uintptr_t retaddr) 808b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 818b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int ret; 828b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 830d8b235c0c6c02de86a4e7415d574175b4518ff0David 'Digit' Turner ret = cpu_arm_handle_mmu_fault(env, addr, is_write, mmu_idx); 848b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (unlikely(ret)) { 858b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (retaddr) { 868b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* now we have a real cpu fault */ 870b4c9e8457959b01cd26f60ef214e9b5b7a297d4David 'Digit' Turner cpu_restore_state(env, retaddr); 888b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 890b4c9e8457959b01cd26f60ef214e9b5b7a297d4David 'Digit' Turner raise_exception(env, env->exception_index); 908b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 918b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 928b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 93e2678e116c8cdb0f36b247a5bd9cfacc849362fcDavid 'Digit' Turnervoid HELPER(set_cp)(CPUARMState *env, uint32_t insn, uint32_t val) 945285864985be9077e58e42235af6582dee72e841David 'Digit' Turner{ 955285864985be9077e58e42235af6582dee72e841David 'Digit' Turner int cp_num = (insn >> 8) & 0xf; 965285864985be9077e58e42235af6582dee72e841David 'Digit' Turner int cp_info = (insn >> 5) & 7; 975285864985be9077e58e42235af6582dee72e841David 'Digit' Turner int src = (insn >> 16) & 0xf; 985285864985be9077e58e42235af6582dee72e841David 'Digit' Turner int operand = insn & 0xf; 995285864985be9077e58e42235af6582dee72e841David 'Digit' Turner 1005285864985be9077e58e42235af6582dee72e841David 'Digit' Turner if (env->cp[cp_num].cp_write) 1015285864985be9077e58e42235af6582dee72e841David 'Digit' Turner env->cp[cp_num].cp_write(env->cp[cp_num].opaque, 102eb3bc46a1a876f279b06d7372bf5866fbcf4e8f8David 'Digit' Turner cp_info, src, operand, val, (void*)GETPC()); 1035285864985be9077e58e42235af6582dee72e841David 'Digit' Turner } 1045285864985be9077e58e42235af6582dee72e841David 'Digit' Turner 105e2678e116c8cdb0f36b247a5bd9cfacc849362fcDavid 'Digit' Turneruint32_t HELPER(get_cp)(CPUARMState *env, uint32_t insn) 1065285864985be9077e58e42235af6582dee72e841David 'Digit' Turner{ 1075285864985be9077e58e42235af6582dee72e841David 'Digit' Turner int cp_num = (insn >> 8) & 0xf; 1085285864985be9077e58e42235af6582dee72e841David 'Digit' Turner int cp_info = (insn >> 5) & 7; 1095285864985be9077e58e42235af6582dee72e841David 'Digit' Turner int dest = (insn >> 16) & 0xf; 1105285864985be9077e58e42235af6582dee72e841David 'Digit' Turner int operand = insn & 0xf; 1115285864985be9077e58e42235af6582dee72e841David 'Digit' Turner 1125285864985be9077e58e42235af6582dee72e841David 'Digit' Turner if (env->cp[cp_num].cp_read) 1135285864985be9077e58e42235af6582dee72e841David 'Digit' Turner return env->cp[cp_num].cp_read(env->cp[cp_num].opaque, 114eb3bc46a1a876f279b06d7372bf5866fbcf4e8f8David 'Digit' Turner cp_info, dest, operand, (void*)GETPC()); 1155285864985be9077e58e42235af6582dee72e841David 'Digit' Turner return 0; 1165285864985be9077e58e42235af6582dee72e841David 'Digit' Turner} 1175285864985be9077e58e42235af6582dee72e841David 'Digit' Turner 1185285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#else 1195285864985be9077e58e42235af6582dee72e841David 'Digit' Turner 120e2678e116c8cdb0f36b247a5bd9cfacc849362fcDavid 'Digit' Turnervoid HELPER(set_cp)(CPUARMState *env, uint32_t insn, uint32_t val) 1215285864985be9077e58e42235af6582dee72e841David 'Digit' Turner{ 1225285864985be9077e58e42235af6582dee72e841David 'Digit' Turner int op1 = (insn >> 8) & 0xf; 1235285864985be9077e58e42235af6582dee72e841David 'Digit' Turner cpu_abort(env, "cp%i insn %08x\n", op1, insn); 1245285864985be9077e58e42235af6582dee72e841David 'Digit' Turner return; 1255285864985be9077e58e42235af6582dee72e841David 'Digit' Turner} 1265285864985be9077e58e42235af6582dee72e841David 'Digit' Turner 127e2678e116c8cdb0f36b247a5bd9cfacc849362fcDavid 'Digit' Turneruint32_t HELPER(get_cp)(CPUARMState *env, uint32_t insn) 1285285864985be9077e58e42235af6582dee72e841David 'Digit' Turner{ 1295285864985be9077e58e42235af6582dee72e841David 'Digit' Turner int op1 = (insn >> 8) & 0xf; 1305285864985be9077e58e42235af6582dee72e841David 'Digit' Turner cpu_abort(env, "cp%i insn %08x\n", op1, insn); 1315285864985be9077e58e42235af6582dee72e841David 'Digit' Turner return 0; 1325285864985be9077e58e42235af6582dee72e841David 'Digit' Turner} 1335285864985be9077e58e42235af6582dee72e841David 'Digit' Turner 1348b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 1358b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1360b4c9e8457959b01cd26f60ef214e9b5b7a297d4David 'Digit' Turneruint32_t HELPER(add_setq)(CPUARMState *env, uint32_t a, uint32_t b) 1378b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 1388b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint32_t res = a + b; 1398b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (((res ^ a) & SIGNBIT) && !((a ^ b) & SIGNBIT)) 1408b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->QF = 1; 1418b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return res; 1428b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 1438b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1440b4c9e8457959b01cd26f60ef214e9b5b7a297d4David 'Digit' Turneruint32_t HELPER(add_saturate)(CPUARMState *env, uint32_t a, uint32_t b) 1458b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 1468b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint32_t res = a + b; 1478b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (((res ^ a) & SIGNBIT) && !((a ^ b) & SIGNBIT)) { 1488b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->QF = 1; 1498b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project res = ~(((int32_t)a >> 31) ^ SIGNBIT); 1508b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 1518b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return res; 1528b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 1538b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1540b4c9e8457959b01cd26f60ef214e9b5b7a297d4David 'Digit' Turneruint32_t HELPER(sub_saturate)(CPUARMState *env, uint32_t a, uint32_t b) 1558b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 1568b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint32_t res = a - b; 1578b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (((res ^ a) & SIGNBIT) && ((a ^ b) & SIGNBIT)) { 1588b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->QF = 1; 1598b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project res = ~(((int32_t)a >> 31) ^ SIGNBIT); 1608b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 1618b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return res; 1628b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 1638b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1640b4c9e8457959b01cd26f60ef214e9b5b7a297d4David 'Digit' Turneruint32_t HELPER(double_saturate)(CPUARMState *env, int32_t val) 1658b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 1668b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint32_t res; 1678b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (val >= 0x40000000) { 1688b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project res = ~SIGNBIT; 1698b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->QF = 1; 1708b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } else if (val <= (int32_t)0xc0000000) { 1718b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project res = SIGNBIT; 1728b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->QF = 1; 1738b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } else { 1748b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project res = val << 1; 1758b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 1768b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return res; 1778b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 1788b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1790b4c9e8457959b01cd26f60ef214e9b5b7a297d4David 'Digit' Turneruint32_t HELPER(add_usaturate)(CPUARMState *env, uint32_t a, uint32_t b) 1808b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 1818b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint32_t res = a + b; 1828b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (res < a) { 1838b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->QF = 1; 1848b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project res = ~0; 1858b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 1868b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return res; 1878b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 1888b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1890b4c9e8457959b01cd26f60ef214e9b5b7a297d4David 'Digit' Turneruint32_t HELPER(sub_usaturate)(CPUARMState *env, uint32_t a, uint32_t b) 1908b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 1918b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint32_t res = a - b; 1928b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (res > a) { 1938b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->QF = 1; 1948b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project res = 0; 1958b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 1968b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return res; 1978b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 1988b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1998b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* Signed saturation. */ 2000b4c9e8457959b01cd26f60ef214e9b5b7a297d4David 'Digit' Turnerstatic inline uint32_t do_ssat(CPUARMState *env, int32_t val, int shift) 2018b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 2028b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int32_t top; 2038b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint32_t mask; 2048b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 2058b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project top = val >> shift; 2068b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project mask = (1u << shift) - 1; 2078b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (top > 0) { 2088b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->QF = 1; 2098b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return mask; 2108b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } else if (top < -1) { 2118b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->QF = 1; 2128b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return ~mask; 2138b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 2148b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return val; 2158b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 2168b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 2178b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* Unsigned saturation. */ 2180b4c9e8457959b01cd26f60ef214e9b5b7a297d4David 'Digit' Turnerstatic inline uint32_t do_usat(CPUARMState *env, int32_t val, int shift) 2198b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 2208b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint32_t max; 2218b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 2228b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project max = (1u << shift) - 1; 2238b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (val < 0) { 2248b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->QF = 1; 2258b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return 0; 2268b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } else if (val > max) { 2278b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->QF = 1; 2288b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return max; 2298b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 2308b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return val; 2318b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 2328b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 2338b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* Signed saturate. */ 2340b4c9e8457959b01cd26f60ef214e9b5b7a297d4David 'Digit' Turneruint32_t HELPER(ssat)(CPUARMState *env, uint32_t x, uint32_t shift) 2358b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 2360b4c9e8457959b01cd26f60ef214e9b5b7a297d4David 'Digit' Turner return do_ssat(env, x, shift); 2378b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 2388b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 2398b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* Dual halfword signed saturate. */ 2400b4c9e8457959b01cd26f60ef214e9b5b7a297d4David 'Digit' Turneruint32_t HELPER(ssat16)(CPUARMState *env, uint32_t x, uint32_t shift) 2418b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 2428b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint32_t res; 2438b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 2440b4c9e8457959b01cd26f60ef214e9b5b7a297d4David 'Digit' Turner res = (uint16_t)do_ssat(env, (int16_t)x, shift); 2450b4c9e8457959b01cd26f60ef214e9b5b7a297d4David 'Digit' Turner res |= do_ssat(env, ((int32_t)x) >> 16, shift) << 16; 2468b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return res; 2478b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 2488b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 2498b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* Unsigned saturate. */ 2500b4c9e8457959b01cd26f60ef214e9b5b7a297d4David 'Digit' Turneruint32_t HELPER(usat)(CPUARMState *env, uint32_t x, uint32_t shift) 2518b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 2520b4c9e8457959b01cd26f60ef214e9b5b7a297d4David 'Digit' Turner return do_usat(env, x, shift); 2538b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 2548b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 2558b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* Dual halfword unsigned saturate. */ 2560b4c9e8457959b01cd26f60ef214e9b5b7a297d4David 'Digit' Turneruint32_t HELPER(usat16)(CPUARMState *env, uint32_t x, uint32_t shift) 2578b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 2588b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint32_t res; 2598b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 2600b4c9e8457959b01cd26f60ef214e9b5b7a297d4David 'Digit' Turner res = (uint16_t)do_usat(env, (int16_t)x, shift); 2610b4c9e8457959b01cd26f60ef214e9b5b7a297d4David 'Digit' Turner res |= do_usat(env, ((int32_t)x) >> 16, shift) << 16; 2628b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return res; 2638b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 2648b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 2650b4c9e8457959b01cd26f60ef214e9b5b7a297d4David 'Digit' Turnervoid HELPER(wfi)(CPUARMState *env) 2668b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 2678b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->exception_index = EXCP_HLT; 2686657678c3d86395084f6a699e73614195f06c445David 'Digit' Turner ENV_GET_CPU(env)->halted = 1; 26985c62200dbdb7ced04b34cb228098b888a8cd828David 'Digit' Turner cpu_loop_exit(env); 2708b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 2718b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 2720b4c9e8457959b01cd26f60ef214e9b5b7a297d4David 'Digit' Turnervoid HELPER(exception)(CPUARMState *env, uint32_t excp) 2738b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 2748b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->exception_index = excp; 27585c62200dbdb7ced04b34cb228098b888a8cd828David 'Digit' Turner cpu_loop_exit(env); 2768b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 2778b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 2780b4c9e8457959b01cd26f60ef214e9b5b7a297d4David 'Digit' Turneruint32_t HELPER(cpsr_read)(CPUARMState *env) 2798b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 2808b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return cpsr_read(env) & ~CPSR_EXEC; 2818b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 2828b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 2830b4c9e8457959b01cd26f60ef214e9b5b7a297d4David 'Digit' Turnervoid HELPER(cpsr_write)(CPUARMState *env, uint32_t val, uint32_t mask) 2848b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 2858b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project cpsr_write(env, val, mask); 2868b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 2878b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 2888b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* Access to user mode registers from privileged modes. */ 2890b4c9e8457959b01cd26f60ef214e9b5b7a297d4David 'Digit' Turneruint32_t HELPER(get_user_reg)(CPUARMState *env, uint32_t regno) 2908b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 2918b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint32_t val; 2928b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 2938b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (regno == 13) { 2948b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project val = env->banked_r13[0]; 2958b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } else if (regno == 14) { 2968b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project val = env->banked_r14[0]; 2978b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } else if (regno >= 8 2988b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project && (env->uncached_cpsr & 0x1f) == ARM_CPU_MODE_FIQ) { 2998b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project val = env->usr_regs[regno - 8]; 3008b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } else { 3018b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project val = env->regs[regno]; 3028b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 3038b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return val; 3048b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 3058b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 3060b4c9e8457959b01cd26f60ef214e9b5b7a297d4David 'Digit' Turnervoid HELPER(set_user_reg)(CPUARMState *env, uint32_t regno, uint32_t val) 3078b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 3088b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (regno == 13) { 3098b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->banked_r13[0] = val; 3108b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } else if (regno == 14) { 3118b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->banked_r14[0] = val; 3128b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } else if (regno >= 8 3138b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project && (env->uncached_cpsr & 0x1f) == ARM_CPU_MODE_FIQ) { 3148b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->usr_regs[regno - 8] = val; 3158b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } else { 3168b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->regs[regno] = val; 3178b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 3188b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 3198b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 3208b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* ??? Flag setting arithmetic is awkward because we need to do comparisons. 3218b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project The only way to do that in TCG is a conditional branch, which clobbers 3228b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project all our temporaries. For now implement these as helper functions. */ 3238b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 3240b4c9e8457959b01cd26f60ef214e9b5b7a297d4David 'Digit' Turneruint32_t HELPER (add_cc)(CPUARMState *env, uint32_t a, uint32_t b) 3258b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 3268b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint32_t result; 3275d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner result = a + b; 3288b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->NF = env->ZF = result; 3298b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->CF = result < a; 3308b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->VF = (a ^ b ^ -1) & (a ^ result); 3318b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return result; 3328b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 3338b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 3340b4c9e8457959b01cd26f60ef214e9b5b7a297d4David 'Digit' Turneruint32_t HELPER(adc_cc)(CPUARMState *env, uint32_t a, uint32_t b) 3358b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 3368b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint32_t result; 3378b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (!env->CF) { 3388b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project result = a + b; 3398b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->CF = result < a; 3408b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } else { 3418b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project result = a + b + 1; 3428b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->CF = result <= a; 3438b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 3448b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->VF = (a ^ b ^ -1) & (a ^ result); 3458b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->NF = env->ZF = result; 3468b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return result; 3478b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 3488b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 3490b4c9e8457959b01cd26f60ef214e9b5b7a297d4David 'Digit' Turneruint32_t HELPER(sub_cc)(CPUARMState *env, uint32_t a, uint32_t b) 3508b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 3518b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint32_t result; 3528b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project result = a - b; 3538b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->NF = env->ZF = result; 3548b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->CF = a >= b; 3558b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->VF = (a ^ b) & (a ^ result); 3568b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return result; 3578b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 3588b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 3590b4c9e8457959b01cd26f60ef214e9b5b7a297d4David 'Digit' Turneruint32_t HELPER(sbc_cc)(CPUARMState *env, uint32_t a, uint32_t b) 3608b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 3618b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint32_t result; 3628b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (!env->CF) { 3638b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project result = a - b - 1; 3648b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->CF = a > b; 3658b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } else { 3668b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project result = a - b; 3678b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->CF = a >= b; 3688b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 3698b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->VF = (a ^ b) & (a ^ result); 3708b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->NF = env->ZF = result; 3718b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return result; 3728b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 3738b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 3748b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* Similarly for variable shift instructions. */ 3758b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 3768b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectuint32_t HELPER(shl)(uint32_t x, uint32_t i) 3778b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 3788b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int shift = i & 0xff; 3798b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (shift >= 32) 3808b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return 0; 3818b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return x << shift; 3828b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 3838b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 3848b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectuint32_t HELPER(shr)(uint32_t x, uint32_t i) 3858b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 3868b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int shift = i & 0xff; 3878b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (shift >= 32) 3888b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return 0; 3898b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return (uint32_t)x >> shift; 3908b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 3918b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 3928b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectuint32_t HELPER(sar)(uint32_t x, uint32_t i) 3938b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 3948b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int shift = i & 0xff; 3958b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (shift >= 32) 3968b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project shift = 31; 3978b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return (int32_t)x >> shift; 3988b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 3998b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 4000b4c9e8457959b01cd26f60ef214e9b5b7a297d4David 'Digit' Turneruint32_t HELPER(shl_cc)(CPUARMState *env, uint32_t x, uint32_t i) 4018b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 4028b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int shift = i & 0xff; 4038b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (shift >= 32) { 4048b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (shift == 32) 4058b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->CF = x & 1; 4068b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project else 4078b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->CF = 0; 4088b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return 0; 4098b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } else if (shift != 0) { 4108b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->CF = (x >> (32 - shift)) & 1; 4118b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return x << shift; 4128b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 4138b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return x; 4148b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 4158b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 4160b4c9e8457959b01cd26f60ef214e9b5b7a297d4David 'Digit' Turneruint32_t HELPER(shr_cc)(CPUARMState *env, uint32_t x, uint32_t i) 4178b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 4188b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int shift = i & 0xff; 4198b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (shift >= 32) { 4208b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (shift == 32) 4218b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->CF = (x >> 31) & 1; 4228b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project else 4238b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->CF = 0; 4248b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return 0; 4258b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } else if (shift != 0) { 4268b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->CF = (x >> (shift - 1)) & 1; 4278b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return x >> shift; 4288b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 4298b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return x; 4308b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 4318b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 4320b4c9e8457959b01cd26f60ef214e9b5b7a297d4David 'Digit' Turneruint32_t HELPER(sar_cc)(CPUARMState *env, uint32_t x, uint32_t i) 4338b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 4348b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int shift = i & 0xff; 4358b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (shift >= 32) { 4368b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->CF = (x >> 31) & 1; 4378b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return (int32_t)x >> 31; 4388b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } else if (shift != 0) { 4398b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->CF = (x >> (shift - 1)) & 1; 4408b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return (int32_t)x >> shift; 4418b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 4428b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return x; 4438b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 4448b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 4450b4c9e8457959b01cd26f60ef214e9b5b7a297d4David 'Digit' Turneruint32_t HELPER(ror_cc)(CPUARMState *env, uint32_t x, uint32_t i) 4468b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 4478b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int shift1, shift; 4488b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project shift1 = i & 0xff; 4498b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project shift = shift1 & 0x1f; 4508b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (shift == 0) { 4518b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (shift1 != 0) 4528b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->CF = (x >> 31) & 1; 4538b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return x; 4548b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } else { 4558b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->CF = (x >> (shift - 1)) & 1; 4568b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return ((uint32_t)x >> shift) | (x << (32 - shift)); 4578b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 4588b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 4598b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 4600b4c9e8457959b01cd26f60ef214e9b5b7a297d4David 'Digit' Turnervoid HELPER(neon_vldst_all)(CPUARMState *env, uint32_t insn) 4615285864985be9077e58e42235af6582dee72e841David 'Digit' Turner{ 4625285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#if defined(CONFIG_USER_ONLY) 4635285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#define LDB(addr) ldub(addr) 4645285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#define LDW(addr) lduw(addr) 4655285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#define LDL(addr) ldl(addr) 4665285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#define LDQ(addr) ldq(addr) 4675285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#define STB(addr, val) stb(addr, val) 4685285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#define STW(addr, val) stw(addr, val) 4695285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#define STL(addr, val) stl(addr, val) 4705285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#define STQ(addr, val) stq(addr, val) 4715285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#else 4725285864985be9077e58e42235af6582dee72e841David 'Digit' Turner int user = cpu_mmu_index(env); 47386b1fb06ee6ef53d8961ce96343ba4aa37518840David 'Digit' Turner#define LDB(addr) helper_ldb_mmu(env, addr, user) 47486b1fb06ee6ef53d8961ce96343ba4aa37518840David 'Digit' Turner#define LDW(addr) helper_le_lduw_mmu(env, addr, user, GETPC()) 47586b1fb06ee6ef53d8961ce96343ba4aa37518840David 'Digit' Turner#define LDL(addr) helper_le_ldul_mmu(env, addr, user, GETPC()) 47686b1fb06ee6ef53d8961ce96343ba4aa37518840David 'Digit' Turner#define LDQ(addr) helper_le_ldq_mmu(env, addr, user, GETPC()) 47786b1fb06ee6ef53d8961ce96343ba4aa37518840David 'Digit' Turner#define STB(addr, val) helper_stb_mmu(env, addr, val, user) 47886b1fb06ee6ef53d8961ce96343ba4aa37518840David 'Digit' Turner#define STW(addr, val) helper_le_stw_mmu(env, addr, val, user, GETPC()) 47986b1fb06ee6ef53d8961ce96343ba4aa37518840David 'Digit' Turner#define STL(addr, val) helper_le_stl_mmu(env, addr, val, user, GETPC()) 48086b1fb06ee6ef53d8961ce96343ba4aa37518840David 'Digit' Turner#define STQ(addr, val) helper_le_stq_mmu(env, addr, val, user, GETPC()) 4815285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#endif 4825285864985be9077e58e42235af6582dee72e841David 'Digit' Turner static const struct { 4835285864985be9077e58e42235af6582dee72e841David 'Digit' Turner int nregs; 4845285864985be9077e58e42235af6582dee72e841David 'Digit' Turner int interleave; 4855285864985be9077e58e42235af6582dee72e841David 'Digit' Turner int spacing; 4865285864985be9077e58e42235af6582dee72e841David 'Digit' Turner } neon_ls_element_type[11] = { 4875285864985be9077e58e42235af6582dee72e841David 'Digit' Turner {4, 4, 1}, 4885285864985be9077e58e42235af6582dee72e841David 'Digit' Turner {4, 4, 2}, 4895285864985be9077e58e42235af6582dee72e841David 'Digit' Turner {4, 1, 1}, 4905285864985be9077e58e42235af6582dee72e841David 'Digit' Turner {4, 2, 1}, 4915285864985be9077e58e42235af6582dee72e841David 'Digit' Turner {3, 3, 1}, 4925285864985be9077e58e42235af6582dee72e841David 'Digit' Turner {3, 3, 2}, 4935285864985be9077e58e42235af6582dee72e841David 'Digit' Turner {3, 1, 1}, 4945285864985be9077e58e42235af6582dee72e841David 'Digit' Turner {1, 1, 1}, 4955285864985be9077e58e42235af6582dee72e841David 'Digit' Turner {2, 2, 1}, 4965285864985be9077e58e42235af6582dee72e841David 'Digit' Turner {2, 2, 2}, 4975285864985be9077e58e42235af6582dee72e841David 'Digit' Turner {2, 1, 1} 4985285864985be9077e58e42235af6582dee72e841David 'Digit' Turner }; 4995285864985be9077e58e42235af6582dee72e841David 'Digit' Turner 5005285864985be9077e58e42235af6582dee72e841David 'Digit' Turner const int op = (insn >> 8) & 0xf; 5015285864985be9077e58e42235af6582dee72e841David 'Digit' Turner const int size = (insn >> 6) & 3; 5025285864985be9077e58e42235af6582dee72e841David 'Digit' Turner int rd = ((insn >> 12) & 0x0f) | ((insn >> 18) & 0x10); 5035285864985be9077e58e42235af6582dee72e841David 'Digit' Turner const int rn = (insn >> 16) & 0xf; 5045285864985be9077e58e42235af6582dee72e841David 'Digit' Turner const int load = (insn & (1 << 21)) != 0; 5055285864985be9077e58e42235af6582dee72e841David 'Digit' Turner const int nregs = neon_ls_element_type[op].nregs; 5065285864985be9077e58e42235af6582dee72e841David 'Digit' Turner const int interleave = neon_ls_element_type[op].interleave; 5075285864985be9077e58e42235af6582dee72e841David 'Digit' Turner const int spacing = neon_ls_element_type[op].spacing; 5085285864985be9077e58e42235af6582dee72e841David 'Digit' Turner uint32_t addr = env->regs[rn]; 5095285864985be9077e58e42235af6582dee72e841David 'Digit' Turner const int stride = (1 << size) * interleave; 5105285864985be9077e58e42235af6582dee72e841David 'Digit' Turner int i, reg; 5115285864985be9077e58e42235af6582dee72e841David 'Digit' Turner uint64_t tmp64; 5125285864985be9077e58e42235af6582dee72e841David 'Digit' Turner 5135285864985be9077e58e42235af6582dee72e841David 'Digit' Turner for (reg = 0; reg < nregs; reg++) { 5145285864985be9077e58e42235af6582dee72e841David 'Digit' Turner if (interleave > 2 || (interleave == 2 && nregs == 2)) { 5155285864985be9077e58e42235af6582dee72e841David 'Digit' Turner addr = env->regs[rn] + (1 << size) * reg; 5165285864985be9077e58e42235af6582dee72e841David 'Digit' Turner } else if (interleave == 2 && nregs == 4 && reg == 2) { 5175285864985be9077e58e42235af6582dee72e841David 'Digit' Turner addr = env->regs[rn] + (1 << size); 5185285864985be9077e58e42235af6582dee72e841David 'Digit' Turner } 5195285864985be9077e58e42235af6582dee72e841David 'Digit' Turner switch (size) { 5205285864985be9077e58e42235af6582dee72e841David 'Digit' Turner case 3: 5215285864985be9077e58e42235af6582dee72e841David 'Digit' Turner if (load) { 5225285864985be9077e58e42235af6582dee72e841David 'Digit' Turner env->vfp.regs[rd] = make_float64(LDQ(addr)); 5235285864985be9077e58e42235af6582dee72e841David 'Digit' Turner } else { 5245285864985be9077e58e42235af6582dee72e841David 'Digit' Turner STQ(addr, float64_val(env->vfp.regs[rd])); 5255285864985be9077e58e42235af6582dee72e841David 'Digit' Turner } 5265285864985be9077e58e42235af6582dee72e841David 'Digit' Turner addr += stride; 5275285864985be9077e58e42235af6582dee72e841David 'Digit' Turner break; 5285285864985be9077e58e42235af6582dee72e841David 'Digit' Turner case 2: 5295285864985be9077e58e42235af6582dee72e841David 'Digit' Turner if (load) { 5305285864985be9077e58e42235af6582dee72e841David 'Digit' Turner tmp64 = (uint32_t)LDL(addr); 5315285864985be9077e58e42235af6582dee72e841David 'Digit' Turner addr += stride; 5325285864985be9077e58e42235af6582dee72e841David 'Digit' Turner tmp64 |= (uint64_t)LDL(addr) << 32; 5335285864985be9077e58e42235af6582dee72e841David 'Digit' Turner addr += stride; 5345285864985be9077e58e42235af6582dee72e841David 'Digit' Turner env->vfp.regs[rd] = make_float64(tmp64); 5355285864985be9077e58e42235af6582dee72e841David 'Digit' Turner } else { 5365285864985be9077e58e42235af6582dee72e841David 'Digit' Turner tmp64 = float64_val(env->vfp.regs[rd]); 5375285864985be9077e58e42235af6582dee72e841David 'Digit' Turner STL(addr, tmp64); 5385285864985be9077e58e42235af6582dee72e841David 'Digit' Turner addr += stride; 5395285864985be9077e58e42235af6582dee72e841David 'Digit' Turner STL(addr, tmp64 >> 32); 5405285864985be9077e58e42235af6582dee72e841David 'Digit' Turner addr += stride; 5415285864985be9077e58e42235af6582dee72e841David 'Digit' Turner } 5425285864985be9077e58e42235af6582dee72e841David 'Digit' Turner break; 5435285864985be9077e58e42235af6582dee72e841David 'Digit' Turner case 1: 5445285864985be9077e58e42235af6582dee72e841David 'Digit' Turner if (load) { 5455285864985be9077e58e42235af6582dee72e841David 'Digit' Turner tmp64 = 0ull; 5465285864985be9077e58e42235af6582dee72e841David 'Digit' Turner for (i = 0; i < 4; i++, addr += stride) { 5475285864985be9077e58e42235af6582dee72e841David 'Digit' Turner tmp64 |= (uint64_t)LDW(addr) << (i * 16); 5485285864985be9077e58e42235af6582dee72e841David 'Digit' Turner } 5495285864985be9077e58e42235af6582dee72e841David 'Digit' Turner env->vfp.regs[rd] = make_float64(tmp64); 5505285864985be9077e58e42235af6582dee72e841David 'Digit' Turner } else { 5515285864985be9077e58e42235af6582dee72e841David 'Digit' Turner tmp64 = float64_val(env->vfp.regs[rd]); 5525285864985be9077e58e42235af6582dee72e841David 'Digit' Turner for (i = 0; i < 4; i++, addr += stride, tmp64 >>= 16) { 5535285864985be9077e58e42235af6582dee72e841David 'Digit' Turner STW(addr, tmp64); 5545285864985be9077e58e42235af6582dee72e841David 'Digit' Turner } 5555285864985be9077e58e42235af6582dee72e841David 'Digit' Turner } 5565285864985be9077e58e42235af6582dee72e841David 'Digit' Turner break; 5575285864985be9077e58e42235af6582dee72e841David 'Digit' Turner case 0: 5585285864985be9077e58e42235af6582dee72e841David 'Digit' Turner if (load) { 5595285864985be9077e58e42235af6582dee72e841David 'Digit' Turner tmp64 = 0ull; 5605285864985be9077e58e42235af6582dee72e841David 'Digit' Turner for (i = 0; i < 8; i++, addr += stride) { 5615285864985be9077e58e42235af6582dee72e841David 'Digit' Turner tmp64 |= (uint64_t)LDB(addr) << (i * 8); 5625285864985be9077e58e42235af6582dee72e841David 'Digit' Turner } 5635285864985be9077e58e42235af6582dee72e841David 'Digit' Turner env->vfp.regs[rd] = make_float64(tmp64); 5645285864985be9077e58e42235af6582dee72e841David 'Digit' Turner } else { 5655285864985be9077e58e42235af6582dee72e841David 'Digit' Turner tmp64 = float64_val(env->vfp.regs[rd]); 5665285864985be9077e58e42235af6582dee72e841David 'Digit' Turner for (i = 0; i < 8; i++, addr += stride, tmp64 >>= 8) { 5675285864985be9077e58e42235af6582dee72e841David 'Digit' Turner STB(addr, tmp64); 5685285864985be9077e58e42235af6582dee72e841David 'Digit' Turner } 5695285864985be9077e58e42235af6582dee72e841David 'Digit' Turner } 5705285864985be9077e58e42235af6582dee72e841David 'Digit' Turner break; 5715285864985be9077e58e42235af6582dee72e841David 'Digit' Turner } 5725285864985be9077e58e42235af6582dee72e841David 'Digit' Turner rd += spacing; 5738b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 5745285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#undef LDB 5755285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#undef LDW 5765285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#undef LDL 5775285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#undef LDQ 5785285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#undef STB 5795285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#undef STW 5805285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#undef STL 5815285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#undef STQ 5828b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 583