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 */ 198b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#include "exec.h" 205285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#include "helper.h" 218b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 228b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define SIGNBIT (uint32_t)0x80000000 238b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define SIGNBIT64 ((uint64_t)1 << 63) 248b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 258b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectvoid raise_exception(int tt) 268b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 278b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->exception_index = tt; 288b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project cpu_loop_exit(); 298b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 308b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 318b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectuint32_t HELPER(neon_tbl)(uint32_t ireg, uint32_t def, 328b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint32_t rn, uint32_t maxindex) 338b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 348b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint32_t val; 358b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint32_t tmp; 368b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int index; 378b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int shift; 388b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint64_t *table; 398b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project table = (uint64_t *)&env->vfp.regs[rn]; 408b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project val = 0; 418b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project for (shift = 0; shift < 32; shift += 8) { 428b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project index = (ireg >> shift) & 0xff; 438b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (index < maxindex) { 445d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner tmp = (table[index >> 3] >> ((index & 7) << 3)) & 0xff; 458b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project val |= tmp << shift; 468b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } else { 478b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project val |= def & (0xff << shift); 488b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 498b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 508b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return val; 518b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 528b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 538b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#if !defined(CONFIG_USER_ONLY) 548b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 558b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define MMUSUFFIX _mmu 568b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 578b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define SHIFT 0 588b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#include "softmmu_template.h" 598b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 608b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define SHIFT 1 618b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#include "softmmu_template.h" 628b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 638b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define SHIFT 2 648b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#include "softmmu_template.h" 658b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 668b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define SHIFT 3 678b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#include "softmmu_template.h" 688b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 698b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* try to fill the TLB and return an exception if error. If retaddr is 708b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project NULL, it means that the function was called in C code (i.e. not 718b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project from generated code or from helper.c) */ 728b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* XXX: fix it to restore all registers */ 738b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectvoid tlb_fill (target_ulong addr, int is_write, int mmu_idx, void *retaddr) 748b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 758b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project TranslationBlock *tb; 768b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project CPUState *saved_env; 778b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project unsigned long pc; 788b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int ret; 798b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 808b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* XXX: hack to restore env in all cases, even if not called from 818b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project generated code */ 828b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project saved_env = env; 838b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env = cpu_single_env; 848b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project ret = cpu_arm_handle_mmu_fault(env, addr, is_write, mmu_idx, 1); 858b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (unlikely(ret)) { 868b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (retaddr) { 878b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* now we have a real cpu fault */ 888b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project pc = (unsigned long)retaddr; 898b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project tb = tb_find_pc(pc); 908b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (tb) { 918b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* the PC is inside the translated code. It means that we have 928b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project a virtual CPU fault */ 93f645f7d6fd841e39524e5df8c1a7fd8347f92ac1David 'Digit' Turner cpu_restore_state(tb, env, pc); 948b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 958b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 968b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project raise_exception(env->exception_index); 978b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 988b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env = saved_env; 998b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 1008b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1015285864985be9077e58e42235af6582dee72e841David 'Digit' Turnervoid HELPER(set_cp)(CPUState *env, uint32_t insn, uint32_t val) 1025285864985be9077e58e42235af6582dee72e841David 'Digit' Turner{ 1035285864985be9077e58e42235af6582dee72e841David 'Digit' Turner int cp_num = (insn >> 8) & 0xf; 1045285864985be9077e58e42235af6582dee72e841David 'Digit' Turner int cp_info = (insn >> 5) & 7; 1055285864985be9077e58e42235af6582dee72e841David 'Digit' Turner int src = (insn >> 16) & 0xf; 1065285864985be9077e58e42235af6582dee72e841David 'Digit' Turner int operand = insn & 0xf; 1075285864985be9077e58e42235af6582dee72e841David 'Digit' Turner 1085285864985be9077e58e42235af6582dee72e841David 'Digit' Turner if (env->cp[cp_num].cp_write) 1095285864985be9077e58e42235af6582dee72e841David 'Digit' Turner env->cp[cp_num].cp_write(env->cp[cp_num].opaque, 1105285864985be9077e58e42235af6582dee72e841David 'Digit' Turner cp_info, src, operand, val, GETPC()); 1115285864985be9077e58e42235af6582dee72e841David 'Digit' Turner } 1125285864985be9077e58e42235af6582dee72e841David 'Digit' Turner 1135285864985be9077e58e42235af6582dee72e841David 'Digit' Turneruint32_t HELPER(get_cp)(CPUState *env, uint32_t insn) 1145285864985be9077e58e42235af6582dee72e841David 'Digit' Turner{ 1155285864985be9077e58e42235af6582dee72e841David 'Digit' Turner int cp_num = (insn >> 8) & 0xf; 1165285864985be9077e58e42235af6582dee72e841David 'Digit' Turner int cp_info = (insn >> 5) & 7; 1175285864985be9077e58e42235af6582dee72e841David 'Digit' Turner int dest = (insn >> 16) & 0xf; 1185285864985be9077e58e42235af6582dee72e841David 'Digit' Turner int operand = insn & 0xf; 1195285864985be9077e58e42235af6582dee72e841David 'Digit' Turner 1205285864985be9077e58e42235af6582dee72e841David 'Digit' Turner if (env->cp[cp_num].cp_read) 1215285864985be9077e58e42235af6582dee72e841David 'Digit' Turner return env->cp[cp_num].cp_read(env->cp[cp_num].opaque, 1225285864985be9077e58e42235af6582dee72e841David 'Digit' Turner cp_info, dest, operand, GETPC()); 1235285864985be9077e58e42235af6582dee72e841David 'Digit' Turner return 0; 1245285864985be9077e58e42235af6582dee72e841David 'Digit' Turner} 1255285864985be9077e58e42235af6582dee72e841David 'Digit' Turner 1265285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#else 1275285864985be9077e58e42235af6582dee72e841David 'Digit' Turner 1285285864985be9077e58e42235af6582dee72e841David 'Digit' Turnervoid HELPER(set_cp)(CPUState *env, uint32_t insn, uint32_t val) 1295285864985be9077e58e42235af6582dee72e841David 'Digit' Turner{ 1305285864985be9077e58e42235af6582dee72e841David 'Digit' Turner int op1 = (insn >> 8) & 0xf; 1315285864985be9077e58e42235af6582dee72e841David 'Digit' Turner cpu_abort(env, "cp%i insn %08x\n", op1, insn); 1325285864985be9077e58e42235af6582dee72e841David 'Digit' Turner return; 1335285864985be9077e58e42235af6582dee72e841David 'Digit' Turner} 1345285864985be9077e58e42235af6582dee72e841David 'Digit' Turner 1355285864985be9077e58e42235af6582dee72e841David 'Digit' Turneruint32_t HELPER(get_cp)(CPUState *env, uint32_t insn) 1365285864985be9077e58e42235af6582dee72e841David 'Digit' Turner{ 1375285864985be9077e58e42235af6582dee72e841David 'Digit' Turner int op1 = (insn >> 8) & 0xf; 1385285864985be9077e58e42235af6582dee72e841David 'Digit' Turner cpu_abort(env, "cp%i insn %08x\n", op1, insn); 1395285864985be9077e58e42235af6582dee72e841David 'Digit' Turner return 0; 1405285864985be9077e58e42235af6582dee72e841David 'Digit' Turner} 1415285864985be9077e58e42235af6582dee72e841David 'Digit' Turner 1428b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 1438b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1448b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* FIXME: Pass an axplicit pointer to QF to CPUState, and move saturating 1458b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project instructions into helper.c */ 1468b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectuint32_t HELPER(add_setq)(uint32_t a, uint32_t b) 1478b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 1488b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint32_t res = a + b; 1498b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (((res ^ a) & SIGNBIT) && !((a ^ b) & SIGNBIT)) 1508b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->QF = 1; 1518b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return res; 1528b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 1538b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1548b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectuint32_t HELPER(add_saturate)(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 1648b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectuint32_t HELPER(sub_saturate)(uint32_t a, uint32_t b) 1658b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 1668b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint32_t res = a - b; 1678b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (((res ^ a) & SIGNBIT) && ((a ^ b) & SIGNBIT)) { 1688b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->QF = 1; 1698b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project res = ~(((int32_t)a >> 31) ^ SIGNBIT); 1708b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 1718b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return res; 1728b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 1738b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1748b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectuint32_t HELPER(double_saturate)(int32_t val) 1758b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 1768b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint32_t res; 1778b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (val >= 0x40000000) { 1788b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project res = ~SIGNBIT; 1798b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->QF = 1; 1808b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } else if (val <= (int32_t)0xc0000000) { 1818b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project res = SIGNBIT; 1828b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->QF = 1; 1838b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } else { 1848b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project res = val << 1; 1858b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 1868b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return res; 1878b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 1888b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1898b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectuint32_t HELPER(add_usaturate)(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 Projectuint32_t HELPER(sub_usaturate)(uint32_t a, uint32_t b) 2008b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 2018b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint32_t res = a - b; 2028b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (res > a) { 2038b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->QF = 1; 2048b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project res = 0; 2058b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 2068b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return res; 2078b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 2088b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 2098b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* Signed saturation. */ 2108b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectstatic inline uint32_t do_ssat(int32_t val, int shift) 2118b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 2128b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int32_t top; 2138b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint32_t mask; 2148b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 2158b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project top = val >> shift; 2168b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project mask = (1u << shift) - 1; 2178b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (top > 0) { 2188b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->QF = 1; 2198b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return mask; 2208b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } else if (top < -1) { 2218b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->QF = 1; 2228b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return ~mask; 2238b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 2248b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return val; 2258b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 2268b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 2278b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* Unsigned saturation. */ 2288b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectstatic inline uint32_t do_usat(int32_t val, int shift) 2298b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 2308b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint32_t max; 2318b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 2328b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project max = (1u << shift) - 1; 2338b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (val < 0) { 2348b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->QF = 1; 2358b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return 0; 2368b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } else if (val > max) { 2378b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->QF = 1; 2388b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return max; 2398b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 2408b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return val; 2418b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 2428b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 2438b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* Signed saturate. */ 2448b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectuint32_t HELPER(ssat)(uint32_t x, uint32_t shift) 2458b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 2468b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return do_ssat(x, shift); 2478b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 2488b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 2498b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* Dual halfword signed saturate. */ 2508b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectuint32_t HELPER(ssat16)(uint32_t x, uint32_t shift) 2518b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 2528b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint32_t res; 2538b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 2548b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project res = (uint16_t)do_ssat((int16_t)x, shift); 2558b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project res |= do_ssat(((int32_t)x) >> 16, shift) << 16; 2568b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return res; 2578b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 2588b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 2598b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* Unsigned saturate. */ 2608b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectuint32_t HELPER(usat)(uint32_t x, uint32_t shift) 2618b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 2628b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return do_usat(x, shift); 2638b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 2648b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 2658b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* Dual halfword unsigned saturate. */ 2668b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectuint32_t HELPER(usat16)(uint32_t x, uint32_t shift) 2678b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 2688b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint32_t res; 2698b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 2708b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project res = (uint16_t)do_usat((int16_t)x, shift); 2718b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project res |= do_usat(((int32_t)x) >> 16, shift) << 16; 2728b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return res; 2738b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 2748b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 2758b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectvoid HELPER(wfi)(void) 2768b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 2778b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->exception_index = EXCP_HLT; 2788b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->halted = 1; 2798b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project cpu_loop_exit(); 2808b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 2818b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 2828b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectvoid HELPER(exception)(uint32_t excp) 2838b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 2848b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->exception_index = excp; 2858b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project cpu_loop_exit(); 2868b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 2878b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 2888b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectuint32_t HELPER(cpsr_read)(void) 2898b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 2908b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return cpsr_read(env) & ~CPSR_EXEC; 2918b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 2928b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 2938b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectvoid HELPER(cpsr_write)(uint32_t val, uint32_t mask) 2948b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 2958b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project cpsr_write(env, val, mask); 2968b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 2978b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 2988b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* Access to user mode registers from privileged modes. */ 2998b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectuint32_t HELPER(get_user_reg)(uint32_t regno) 3008b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 3018b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint32_t val; 3028b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 3038b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (regno == 13) { 3048b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project val = env->banked_r13[0]; 3058b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } else if (regno == 14) { 3068b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project val = env->banked_r14[0]; 3078b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } else if (regno >= 8 3088b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project && (env->uncached_cpsr & 0x1f) == ARM_CPU_MODE_FIQ) { 3098b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project val = env->usr_regs[regno - 8]; 3108b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } else { 3118b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project val = env->regs[regno]; 3128b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 3138b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return val; 3148b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 3158b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 3168b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectvoid HELPER(set_user_reg)(uint32_t regno, uint32_t val) 3178b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 3188b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (regno == 13) { 3198b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->banked_r13[0] = val; 3208b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } else if (regno == 14) { 3218b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->banked_r14[0] = val; 3228b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } else if (regno >= 8 3238b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project && (env->uncached_cpsr & 0x1f) == ARM_CPU_MODE_FIQ) { 3248b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->usr_regs[regno - 8] = val; 3258b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } else { 3268b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->regs[regno] = val; 3278b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 3288b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 3298b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 3308b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* ??? Flag setting arithmetic is awkward because we need to do comparisons. 3318b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project The only way to do that in TCG is a conditional branch, which clobbers 3328b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project all our temporaries. For now implement these as helper functions. */ 3338b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 3348b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectuint32_t HELPER (add_cc)(uint32_t a, uint32_t b) 3358b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 3368b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint32_t result; 3375d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner result = a + b; 3388b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->NF = env->ZF = result; 3398b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->CF = result < a; 3408b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->VF = (a ^ b ^ -1) & (a ^ result); 3418b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return result; 3428b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 3438b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 3448b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectuint32_t HELPER(adc_cc)(uint32_t a, uint32_t b) 3458b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 3468b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint32_t result; 3478b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (!env->CF) { 3488b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project result = a + b; 3498b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->CF = result < a; 3508b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } else { 3518b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project result = a + b + 1; 3528b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->CF = result <= a; 3538b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 3548b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->VF = (a ^ b ^ -1) & (a ^ result); 3558b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->NF = env->ZF = result; 3568b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return result; 3578b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 3588b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 3598b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectuint32_t HELPER(sub_cc)(uint32_t a, uint32_t b) 3608b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 3618b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint32_t result; 3628b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project result = a - b; 3638b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->NF = env->ZF = result; 3648b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->CF = a >= b; 3658b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->VF = (a ^ b) & (a ^ result); 3668b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return result; 3678b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 3688b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 3698b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectuint32_t HELPER(sbc_cc)(uint32_t a, uint32_t b) 3708b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 3718b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint32_t result; 3728b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (!env->CF) { 3738b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project result = a - b - 1; 3748b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->CF = a > b; 3758b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } else { 3768b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project result = a - b; 3778b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->CF = a >= b; 3788b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 3798b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->VF = (a ^ b) & (a ^ result); 3808b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->NF = env->ZF = result; 3818b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return result; 3828b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 3838b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 3848b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* Similarly for variable shift instructions. */ 3858b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 3868b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectuint32_t HELPER(shl)(uint32_t x, uint32_t i) 3878b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 3888b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int shift = i & 0xff; 3898b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (shift >= 32) 3908b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return 0; 3918b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return x << shift; 3928b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 3938b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 3948b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectuint32_t HELPER(shr)(uint32_t x, uint32_t i) 3958b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 3968b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int shift = i & 0xff; 3978b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (shift >= 32) 3988b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return 0; 3998b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return (uint32_t)x >> shift; 4008b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 4018b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 4028b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectuint32_t HELPER(sar)(uint32_t x, uint32_t i) 4038b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 4048b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int shift = i & 0xff; 4058b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (shift >= 32) 4068b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project shift = 31; 4078b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return (int32_t)x >> shift; 4088b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 4098b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 4108b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectuint32_t HELPER(shl_cc)(uint32_t x, uint32_t i) 4118b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 4128b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int shift = i & 0xff; 4138b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (shift >= 32) { 4148b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (shift == 32) 4158b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->CF = x & 1; 4168b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project else 4178b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->CF = 0; 4188b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return 0; 4198b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } else if (shift != 0) { 4208b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->CF = (x >> (32 - shift)) & 1; 4218b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return x << shift; 4228b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 4238b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return x; 4248b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 4258b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 4268b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectuint32_t HELPER(shr_cc)(uint32_t x, uint32_t i) 4278b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 4288b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int shift = i & 0xff; 4298b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (shift >= 32) { 4308b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (shift == 32) 4318b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->CF = (x >> 31) & 1; 4328b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project else 4338b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->CF = 0; 4348b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return 0; 4358b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } else if (shift != 0) { 4368b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->CF = (x >> (shift - 1)) & 1; 4378b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return x >> shift; 4388b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 4398b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return x; 4408b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 4418b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 4428b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectuint32_t HELPER(sar_cc)(uint32_t x, uint32_t i) 4438b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 4448b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int shift = i & 0xff; 4458b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (shift >= 32) { 4468b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->CF = (x >> 31) & 1; 4478b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return (int32_t)x >> 31; 4488b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } else if (shift != 0) { 4498b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->CF = (x >> (shift - 1)) & 1; 4508b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return (int32_t)x >> shift; 4518b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 4528b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return x; 4538b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 4548b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 4558b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectuint32_t HELPER(ror_cc)(uint32_t x, uint32_t i) 4568b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 4578b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int shift1, shift; 4588b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project shift1 = i & 0xff; 4598b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project shift = shift1 & 0x1f; 4608b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (shift == 0) { 4618b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (shift1 != 0) 4628b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->CF = (x >> 31) & 1; 4638b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return x; 4648b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } else { 4658b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->CF = (x >> (shift - 1)) & 1; 4668b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return ((uint32_t)x >> shift) | (x << (32 - shift)); 4678b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 4688b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 4698b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 4705285864985be9077e58e42235af6582dee72e841David 'Digit' Turnervoid HELPER(neon_vldst_all)(uint32_t insn) 4715285864985be9077e58e42235af6582dee72e841David 'Digit' Turner{ 4725285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#if defined(CONFIG_USER_ONLY) 4735285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#define LDB(addr) ldub(addr) 4745285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#define LDW(addr) lduw(addr) 4755285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#define LDL(addr) ldl(addr) 4765285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#define LDQ(addr) ldq(addr) 4775285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#define STB(addr, val) stb(addr, val) 4785285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#define STW(addr, val) stw(addr, val) 4795285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#define STL(addr, val) stl(addr, val) 4805285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#define STQ(addr, val) stq(addr, val) 4815285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#else 4825285864985be9077e58e42235af6582dee72e841David 'Digit' Turner int user = cpu_mmu_index(env); 4835285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#define LDB(addr) slow_ldb_mmu(addr, user, GETPC()) 4845285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#define LDW(addr) slow_ldw_mmu(addr, user, GETPC()) 4855285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#define LDL(addr) slow_ldl_mmu(addr, user, GETPC()) 4865285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#define LDQ(addr) slow_ldq_mmu(addr, user, GETPC()) 4875285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#define STB(addr, val) slow_stb_mmu(addr, val, user, GETPC()) 4885285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#define STW(addr, val) slow_stw_mmu(addr, val, user, GETPC()) 4895285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#define STL(addr, val) slow_stl_mmu(addr, val, user, GETPC()) 4905285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#define STQ(addr, val) slow_stq_mmu(addr, val, user, GETPC()) 4915285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#endif 4925285864985be9077e58e42235af6582dee72e841David 'Digit' Turner static const struct { 4935285864985be9077e58e42235af6582dee72e841David 'Digit' Turner int nregs; 4945285864985be9077e58e42235af6582dee72e841David 'Digit' Turner int interleave; 4955285864985be9077e58e42235af6582dee72e841David 'Digit' Turner int spacing; 4965285864985be9077e58e42235af6582dee72e841David 'Digit' Turner } neon_ls_element_type[11] = { 4975285864985be9077e58e42235af6582dee72e841David 'Digit' Turner {4, 4, 1}, 4985285864985be9077e58e42235af6582dee72e841David 'Digit' Turner {4, 4, 2}, 4995285864985be9077e58e42235af6582dee72e841David 'Digit' Turner {4, 1, 1}, 5005285864985be9077e58e42235af6582dee72e841David 'Digit' Turner {4, 2, 1}, 5015285864985be9077e58e42235af6582dee72e841David 'Digit' Turner {3, 3, 1}, 5025285864985be9077e58e42235af6582dee72e841David 'Digit' Turner {3, 3, 2}, 5035285864985be9077e58e42235af6582dee72e841David 'Digit' Turner {3, 1, 1}, 5045285864985be9077e58e42235af6582dee72e841David 'Digit' Turner {1, 1, 1}, 5055285864985be9077e58e42235af6582dee72e841David 'Digit' Turner {2, 2, 1}, 5065285864985be9077e58e42235af6582dee72e841David 'Digit' Turner {2, 2, 2}, 5075285864985be9077e58e42235af6582dee72e841David 'Digit' Turner {2, 1, 1} 5085285864985be9077e58e42235af6582dee72e841David 'Digit' Turner }; 5095285864985be9077e58e42235af6582dee72e841David 'Digit' Turner 5105285864985be9077e58e42235af6582dee72e841David 'Digit' Turner const int op = (insn >> 8) & 0xf; 5115285864985be9077e58e42235af6582dee72e841David 'Digit' Turner const int size = (insn >> 6) & 3; 5125285864985be9077e58e42235af6582dee72e841David 'Digit' Turner int rd = ((insn >> 12) & 0x0f) | ((insn >> 18) & 0x10); 5135285864985be9077e58e42235af6582dee72e841David 'Digit' Turner const int rn = (insn >> 16) & 0xf; 5145285864985be9077e58e42235af6582dee72e841David 'Digit' Turner const int load = (insn & (1 << 21)) != 0; 5155285864985be9077e58e42235af6582dee72e841David 'Digit' Turner const int nregs = neon_ls_element_type[op].nregs; 5165285864985be9077e58e42235af6582dee72e841David 'Digit' Turner const int interleave = neon_ls_element_type[op].interleave; 5175285864985be9077e58e42235af6582dee72e841David 'Digit' Turner const int spacing = neon_ls_element_type[op].spacing; 5185285864985be9077e58e42235af6582dee72e841David 'Digit' Turner uint32_t addr = env->regs[rn]; 5195285864985be9077e58e42235af6582dee72e841David 'Digit' Turner const int stride = (1 << size) * interleave; 5205285864985be9077e58e42235af6582dee72e841David 'Digit' Turner int i, reg; 5215285864985be9077e58e42235af6582dee72e841David 'Digit' Turner uint64_t tmp64; 5225285864985be9077e58e42235af6582dee72e841David 'Digit' Turner 5235285864985be9077e58e42235af6582dee72e841David 'Digit' Turner for (reg = 0; reg < nregs; reg++) { 5245285864985be9077e58e42235af6582dee72e841David 'Digit' Turner if (interleave > 2 || (interleave == 2 && nregs == 2)) { 5255285864985be9077e58e42235af6582dee72e841David 'Digit' Turner addr = env->regs[rn] + (1 << size) * reg; 5265285864985be9077e58e42235af6582dee72e841David 'Digit' Turner } else if (interleave == 2 && nregs == 4 && reg == 2) { 5275285864985be9077e58e42235af6582dee72e841David 'Digit' Turner addr = env->regs[rn] + (1 << size); 5285285864985be9077e58e42235af6582dee72e841David 'Digit' Turner } 5295285864985be9077e58e42235af6582dee72e841David 'Digit' Turner switch (size) { 5305285864985be9077e58e42235af6582dee72e841David 'Digit' Turner case 3: 5315285864985be9077e58e42235af6582dee72e841David 'Digit' Turner if (load) { 5325285864985be9077e58e42235af6582dee72e841David 'Digit' Turner env->vfp.regs[rd] = make_float64(LDQ(addr)); 5335285864985be9077e58e42235af6582dee72e841David 'Digit' Turner } else { 5345285864985be9077e58e42235af6582dee72e841David 'Digit' Turner STQ(addr, float64_val(env->vfp.regs[rd])); 5355285864985be9077e58e42235af6582dee72e841David 'Digit' Turner } 5365285864985be9077e58e42235af6582dee72e841David 'Digit' Turner addr += stride; 5375285864985be9077e58e42235af6582dee72e841David 'Digit' Turner break; 5385285864985be9077e58e42235af6582dee72e841David 'Digit' Turner case 2: 5395285864985be9077e58e42235af6582dee72e841David 'Digit' Turner if (load) { 5405285864985be9077e58e42235af6582dee72e841David 'Digit' Turner tmp64 = (uint32_t)LDL(addr); 5415285864985be9077e58e42235af6582dee72e841David 'Digit' Turner addr += stride; 5425285864985be9077e58e42235af6582dee72e841David 'Digit' Turner tmp64 |= (uint64_t)LDL(addr) << 32; 5435285864985be9077e58e42235af6582dee72e841David 'Digit' Turner addr += stride; 5445285864985be9077e58e42235af6582dee72e841David 'Digit' Turner env->vfp.regs[rd] = make_float64(tmp64); 5455285864985be9077e58e42235af6582dee72e841David 'Digit' Turner } else { 5465285864985be9077e58e42235af6582dee72e841David 'Digit' Turner tmp64 = float64_val(env->vfp.regs[rd]); 5475285864985be9077e58e42235af6582dee72e841David 'Digit' Turner STL(addr, tmp64); 5485285864985be9077e58e42235af6582dee72e841David 'Digit' Turner addr += stride; 5495285864985be9077e58e42235af6582dee72e841David 'Digit' Turner STL(addr, tmp64 >> 32); 5505285864985be9077e58e42235af6582dee72e841David 'Digit' Turner addr += stride; 5515285864985be9077e58e42235af6582dee72e841David 'Digit' Turner } 5525285864985be9077e58e42235af6582dee72e841David 'Digit' Turner break; 5535285864985be9077e58e42235af6582dee72e841David 'Digit' Turner case 1: 5545285864985be9077e58e42235af6582dee72e841David 'Digit' Turner if (load) { 5555285864985be9077e58e42235af6582dee72e841David 'Digit' Turner tmp64 = 0ull; 5565285864985be9077e58e42235af6582dee72e841David 'Digit' Turner for (i = 0; i < 4; i++, addr += stride) { 5575285864985be9077e58e42235af6582dee72e841David 'Digit' Turner tmp64 |= (uint64_t)LDW(addr) << (i * 16); 5585285864985be9077e58e42235af6582dee72e841David 'Digit' Turner } 5595285864985be9077e58e42235af6582dee72e841David 'Digit' Turner env->vfp.regs[rd] = make_float64(tmp64); 5605285864985be9077e58e42235af6582dee72e841David 'Digit' Turner } else { 5615285864985be9077e58e42235af6582dee72e841David 'Digit' Turner tmp64 = float64_val(env->vfp.regs[rd]); 5625285864985be9077e58e42235af6582dee72e841David 'Digit' Turner for (i = 0; i < 4; i++, addr += stride, tmp64 >>= 16) { 5635285864985be9077e58e42235af6582dee72e841David 'Digit' Turner STW(addr, tmp64); 5645285864985be9077e58e42235af6582dee72e841David 'Digit' Turner } 5655285864985be9077e58e42235af6582dee72e841David 'Digit' Turner } 5665285864985be9077e58e42235af6582dee72e841David 'Digit' Turner break; 5675285864985be9077e58e42235af6582dee72e841David 'Digit' Turner case 0: 5685285864985be9077e58e42235af6582dee72e841David 'Digit' Turner if (load) { 5695285864985be9077e58e42235af6582dee72e841David 'Digit' Turner tmp64 = 0ull; 5705285864985be9077e58e42235af6582dee72e841David 'Digit' Turner for (i = 0; i < 8; i++, addr += stride) { 5715285864985be9077e58e42235af6582dee72e841David 'Digit' Turner tmp64 |= (uint64_t)LDB(addr) << (i * 8); 5725285864985be9077e58e42235af6582dee72e841David 'Digit' Turner } 5735285864985be9077e58e42235af6582dee72e841David 'Digit' Turner env->vfp.regs[rd] = make_float64(tmp64); 5745285864985be9077e58e42235af6582dee72e841David 'Digit' Turner } else { 5755285864985be9077e58e42235af6582dee72e841David 'Digit' Turner tmp64 = float64_val(env->vfp.regs[rd]); 5765285864985be9077e58e42235af6582dee72e841David 'Digit' Turner for (i = 0; i < 8; i++, addr += stride, tmp64 >>= 8) { 5775285864985be9077e58e42235af6582dee72e841David 'Digit' Turner STB(addr, tmp64); 5785285864985be9077e58e42235af6582dee72e841David 'Digit' Turner } 5795285864985be9077e58e42235af6582dee72e841David 'Digit' Turner } 5805285864985be9077e58e42235af6582dee72e841David 'Digit' Turner break; 5815285864985be9077e58e42235af6582dee72e841David 'Digit' Turner } 5825285864985be9077e58e42235af6582dee72e841David 'Digit' Turner rd += spacing; 5838b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 5845285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#undef LDB 5855285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#undef LDW 5865285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#undef LDL 5875285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#undef LDQ 5885285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#undef STB 5895285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#undef STW 5905285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#undef STL 5915285864985be9077e58e42235af6582dee72e841David 'Digit' Turner#undef STQ 5928b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 593