18b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* 28b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * i386 emulator main execution loop 38b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * 48b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * Copyright (c) 2003-2005 Fabrice Bellard 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 17a5d412078b8e7478d81df03710eacc7a21096ba2David '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 "config.h" 20a889d35e76c8ea18caf70c738fd585c64b857369David 'Digit' Turner#include "cpu.h" 21cc33b2d8035092608c7cba4154e9c44452727e1bDavid 'Digit' Turner#include "disas/disas.h" 228b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#include "tcg.h" 2334c48ff1e3ad5cd2084ca40188754d45f423750bDavid 'Digit' Turner#include "sysemu/kvm.h" 24e1e03df288d5a44bfbffbd86588395c7cbbc27dfDavid 'Digit' Turner#include "exec/hax.h" 25e1e03df288d5a44bfbffbd86588395c7cbbc27dfDavid 'Digit' Turner#include "qemu/atomic.h" 268b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 278b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#if !defined(CONFIG_SOFTMMU) 288b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#undef EAX 298b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#undef ECX 308b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#undef EDX 318b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#undef EBX 328b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#undef ESP 338b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#undef EBP 348b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#undef ESI 358b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#undef EDI 368b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#undef EIP 378b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#include <signal.h> 385d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#ifdef __linux__ 398b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#include <sys/ucontext.h> 408b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 415d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#endif 428b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 438b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectint tb_invalidated_flag; 448b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 45a5d412078b8e7478d81df03710eacc7a21096ba2David 'Digit' Turner//#define CONFIG_DEBUG_EXEC 468b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project//#define DEBUG_SIGNAL 478b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 48bf7a22f3a6c38d359d2e933dec4706d1c7375f0aDavid 'Digit' Turnerbool qemu_cpu_has_work(CPUState *cpu) 495d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner{ 50bf7a22f3a6c38d359d2e933dec4706d1c7375f0aDavid 'Digit' Turner return cpu_has_work(cpu); 515d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner} 525d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner 53a681001f110feadb11ebed7c46832262784f6720David 'Digit' Turnervoid cpu_loop_exit(CPUArchState* env) 548b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 55a681001f110feadb11ebed7c46832262784f6720David 'Digit' Turner env->current_tb = NULL; 56a681001f110feadb11ebed7c46832262784f6720David 'Digit' Turner longjmp(env->jmp_env, 1); 578b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 588b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 598b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* exit the current TB from a signal handler. The host registers are 608b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project restored in a state compatible with the CPU emulator 618b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project */ 62a681001f110feadb11ebed7c46832262784f6720David 'Digit' Turnervoid cpu_resume_from_signal(CPUArchState *env, void *puc) 638b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 648b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#if !defined(CONFIG_SOFTMMU) 655d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#ifdef __linux__ 668b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project struct ucontext *uc = puc; 675d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#elif defined(__OpenBSD__) 685d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner struct sigcontext *uc = puc; 695d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#endif 708b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 718b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 728b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* XXX: restore cpu registers saved in host registers */ 738b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 748b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#if !defined(CONFIG_SOFTMMU) 758b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (puc) { 768b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* XXX: use siglongjmp ? */ 775d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#ifdef __linux__ 7824cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#ifdef __ia64 7924cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner sigprocmask(SIG_SETMASK, (sigset_t *)&uc->uc_sigmask, NULL); 8024cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#else 818b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project sigprocmask(SIG_SETMASK, &uc->uc_sigmask, NULL); 8224cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#endif 835d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#elif defined(__OpenBSD__) 845d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner sigprocmask(SIG_SETMASK, &uc->sc_mask, NULL); 855d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#endif 868b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 878b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 885d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner env->exception_index = -1; 898b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project longjmp(env->jmp_env, 1); 908b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 918b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 928b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* Execute the code without caching the generated code. An interpreter 938b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project could be used if available. */ 94a681001f110feadb11ebed7c46832262784f6720David 'Digit' Turnerstatic void cpu_exec_nocache(CPUArchState *env, int max_cycles, TranslationBlock *orig_tb) 958b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 9653a08edf171bdbc7e3a2d89b78b96a33361a2760David 'Digit' Turner tcg_target_ulong next_tb; 978b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project TranslationBlock *tb; 988b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 998b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* Should never happen. 1008b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project We only end up here when an existing TB is too long. */ 1018b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (max_cycles > CF_COUNT_MASK) 1028b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project max_cycles = CF_COUNT_MASK; 1038b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1048b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project tb = tb_gen_code(env, orig_tb->pc, orig_tb->cs_base, orig_tb->flags, 1058b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project max_cycles); 1068b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->current_tb = tb; 1078b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* execute the generated code */ 108a681001f110feadb11ebed7c46832262784f6720David 'Digit' Turner next_tb = tcg_qemu_tb_exec(env, tb->tc_ptr); 10924cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner env->current_tb = NULL; 1108b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1118b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if ((next_tb & 3) == 2) { 1128b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* Restore PC. This may happen if async event occurs before 1138b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project the TB starts executing. */ 1145d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner cpu_pc_from_tb(env, tb); 1158b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 1168b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project tb_phys_invalidate(tb, -1); 1178b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project tb_free(tb); 1188b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 1198b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 120a681001f110feadb11ebed7c46832262784f6720David 'Digit' Turnerstatic TranslationBlock *tb_find_slow(CPUArchState *env, 121a681001f110feadb11ebed7c46832262784f6720David 'Digit' Turner target_ulong pc, 1228b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project target_ulong cs_base, 1238b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint64_t flags) 1248b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 1258b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project TranslationBlock *tb, **ptb1; 1268b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project unsigned int h; 1278b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project target_ulong phys_pc, phys_page1, phys_page2, virt_page2; 1288b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1298b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project tb_invalidated_flag = 0; 1308b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1318b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* find translated block using physical mappings */ 1321348777d4229cf65ef12d0a4ee531d4502847277David 'Digit' Turner phys_pc = get_page_addr_code(env, pc); 1338b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project phys_page1 = phys_pc & TARGET_PAGE_MASK; 1348b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project phys_page2 = -1; 1358b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project h = tb_phys_hash_func(phys_pc); 1361348777d4229cf65ef12d0a4ee531d4502847277David 'Digit' Turner ptb1 = &tcg_ctx.tb_ctx.tb_phys_hash[h]; 1378b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project for(;;) { 1388b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project tb = *ptb1; 1398b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (!tb) 1408b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project goto not_found; 1418b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (tb->pc == pc && 1428b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project tb->page_addr[0] == phys_page1 && 1438b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project tb->cs_base == cs_base && 1448b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project tb->flags == flags) { 1458b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* check next page if needed */ 1468b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (tb->page_addr[1] != -1) { 1478b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project virt_page2 = (pc & TARGET_PAGE_MASK) + 1488b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project TARGET_PAGE_SIZE; 1491348777d4229cf65ef12d0a4ee531d4502847277David 'Digit' Turner phys_page2 = get_page_addr_code(env, virt_page2); 1508b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (tb->page_addr[1] == phys_page2) 1518b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project goto found; 1528b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } else { 1538b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project goto found; 1548b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 1558b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 1568b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project ptb1 = &tb->phys_hash_next; 1578b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 1588b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project not_found: 1598b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* if no translated code available, then translate it now */ 1608b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project tb = tb_gen_code(env, pc, cs_base, flags, 0); 1618b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1628b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project found: 1635285864985be9077e58e42235af6582dee72e841David 'Digit' Turner /* Move the last found TB to the head of the list */ 1645285864985be9077e58e42235af6582dee72e841David 'Digit' Turner if (likely(*ptb1)) { 1655285864985be9077e58e42235af6582dee72e841David 'Digit' Turner *ptb1 = tb->phys_hash_next; 1661348777d4229cf65ef12d0a4ee531d4502847277David 'Digit' Turner tb->phys_hash_next = tcg_ctx.tb_ctx.tb_phys_hash[h]; 1671348777d4229cf65ef12d0a4ee531d4502847277David 'Digit' Turner tcg_ctx.tb_ctx.tb_phys_hash[h] = tb; 1685285864985be9077e58e42235af6582dee72e841David 'Digit' Turner } 1698b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* we add the TB in the virtual pc hash table */ 1708b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->tb_jmp_cache[tb_jmp_cache_hash_func(pc)] = tb; 1718b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return tb; 1728b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 1738b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 174a681001f110feadb11ebed7c46832262784f6720David 'Digit' Turnerstatic inline TranslationBlock *tb_find_fast(CPUArchState *env) 1758b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 1768b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project TranslationBlock *tb; 1778b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project target_ulong cs_base, pc; 1785d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner int flags; 1798b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1808b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* we record a subset of the CPU state. It will 1818b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project always be the same before a given translated block 1828b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project is executed. */ 1835d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner cpu_get_tb_cpu_state(env, &pc, &cs_base, &flags); 1848b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project tb = env->tb_jmp_cache[tb_jmp_cache_hash_func(pc)]; 1858b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (unlikely(!tb || tb->pc != pc || tb->cs_base != cs_base || 1868b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project tb->flags != flags)) { 187a681001f110feadb11ebed7c46832262784f6720David 'Digit' Turner tb = tb_find_slow(env, pc, cs_base, flags); 1888b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 1898b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return tb; 1908b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 1918b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1925d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turnerstatic CPUDebugExcpHandler *debug_excp_handler; 1935d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner 1941348777d4229cf65ef12d0a4ee531d4502847277David 'Digit' Turnervoid cpu_set_debug_excp_handler(CPUDebugExcpHandler *handler) 1955d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner{ 1965d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner debug_excp_handler = handler; 1975d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner} 1985d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner 199e2678e116c8cdb0f36b247a5bd9cfacc849362fcDavid 'Digit' Turnerstatic void cpu_handle_debug_exception(CPUOldState *env) 2005d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner{ 2015d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner CPUWatchpoint *wp; 2025d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner 203427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner if (!env->watchpoint_hit) { 204427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner QTAILQ_FOREACH(wp, &env->watchpoints, entry) { 2055d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner wp->flags &= ~BP_WATCHPOINT_HIT; 206427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner } 207427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner } 208427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner if (debug_excp_handler) { 2095d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner debug_excp_handler(env); 210427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner } 2115d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner} 2125d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner 2138b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* main execution loop */ 2148b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 21524cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turnervolatile sig_atomic_t exit_request; 21624cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner 217a381ef07088ce479610129e37bfef42538f397daJun Nakajima/* 218a381ef07088ce479610129e37bfef42538f397daJun Nakajima * Qemu emulation can happen because of MMIO or emulation mode, 219a381ef07088ce479610129e37bfef42538f397daJun Nakajima * i.e. non-PG mode. For MMIO cases, the pending interrupt should not 220a381ef07088ce479610129e37bfef42538f397daJun Nakajima * be emulated in qemu because MMIO is emulated for only one 221a381ef07088ce479610129e37bfef42538f397daJun Nakajima * instruction now and then back to the HAX kernel module. 222a381ef07088ce479610129e37bfef42538f397daJun Nakajima */ 223e2678e116c8cdb0f36b247a5bd9cfacc849362fcDavid 'Digit' Turnerint need_handle_intr_request(CPUOldState *env) 224a381ef07088ce479610129e37bfef42538f397daJun Nakajima{ 2256657678c3d86395084f6a699e73614195f06c445David 'Digit' Turner CPUState *cpu = ENV_GET_CPU(env); 226a381ef07088ce479610129e37bfef42538f397daJun Nakajima#ifdef CONFIG_HAX 2277f38c7f905384c064b88fbdfa2eb054a92be63f3David 'Digit' Turner if (!hax_enabled() || hax_vcpu_emulation_mode(cpu)) 2286657678c3d86395084f6a699e73614195f06c445David 'Digit' Turner return cpu->interrupt_request; 229a381ef07088ce479610129e37bfef42538f397daJun Nakajima return 0; 230a381ef07088ce479610129e37bfef42538f397daJun Nakajima#else 2316657678c3d86395084f6a699e73614195f06c445David 'Digit' Turner return cpu->interrupt_request; 232a381ef07088ce479610129e37bfef42538f397daJun Nakajima#endif 233a381ef07088ce479610129e37bfef42538f397daJun Nakajima} 234a381ef07088ce479610129e37bfef42538f397daJun Nakajima 235a681001f110feadb11ebed7c46832262784f6720David 'Digit' Turnerint cpu_exec(CPUOldState *env) 2368b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 2378b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int ret, interrupt_request; 2388b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project TranslationBlock *tb; 2398b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint8_t *tc_ptr; 24053a08edf171bdbc7e3a2d89b78b96a33361a2760David 'Digit' Turner tcg_target_ulong next_tb; 2416657678c3d86395084f6a699e73614195f06c445David 'Digit' Turner CPUState *cpu = ENV_GET_CPU(env); 2428b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 2436657678c3d86395084f6a699e73614195f06c445David 'Digit' Turner if (cpu->halted) { 2446657678c3d86395084f6a699e73614195f06c445David 'Digit' Turner if (!cpu_has_work(cpu)) { 2458b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return EXCP_HALTED; 2465285864985be9077e58e42235af6582dee72e841David 'Digit' Turner } 2475285864985be9077e58e42235af6582dee72e841David 'Digit' Turner 2486657678c3d86395084f6a699e73614195f06c445David 'Digit' Turner cpu->halted = 0; 2495285864985be9077e58e42235af6582dee72e841David 'Digit' Turner } 2508b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 2516657678c3d86395084f6a699e73614195f06c445David 'Digit' Turner current_cpu = cpu; 2526657678c3d86395084f6a699e73614195f06c445David 'Digit' Turner //cpu_single_env = env; 2538b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 25424cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner if (unlikely(exit_request)) { 2556657678c3d86395084f6a699e73614195f06c445David 'Digit' Turner cpu->exit_request = 1; 25624cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner } 25724cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner 2588b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#if defined(TARGET_I386) 25924cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner if (!kvm_enabled()) { 26024cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner /* put eflags in CPU temporary format */ 26124cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner CC_SRC = env->eflags & (CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C); 26224cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner DF = 1 - (2 * ((env->eflags >> 10) & 1)); 26324cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner CC_OP = CC_OP_EFLAGS; 26424cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner env->eflags &= ~(DF_MASK | CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C); 26524cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner } 2668b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_SPARC) 2678b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_M68K) 2688b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->cc_op = CC_OP_FLAGS; 2698b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->cc_dest = env->sr & 0xf; 2708b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->cc_x = (env->sr >> 4) & 1; 2718b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_ALPHA) 2728b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_ARM) 273427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner#elif defined(TARGET_UNICORE32) 2748b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_PPC) 275427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner#elif defined(TARGET_LM32) 2765d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#elif defined(TARGET_MICROBLAZE) 2778b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_MIPS) 2788b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_SH4) 2798b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_CRIS) 280a5d412078b8e7478d81df03710eacc7a21096ba2David 'Digit' Turner#elif defined(TARGET_S390X) 2818b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* XXXXX */ 2828b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#else 2838b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#error unsupported target CPU 2848b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 2858b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->exception_index = -1; 2868b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 2878b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* prepare setjmp context for exception handling */ 2888b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project for(;;) { 2898b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (setjmp(env->jmp_env) == 0) { 2908b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* if an exception is pending, we execute it here */ 2918b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (env->exception_index >= 0) { 2928b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (env->exception_index >= EXCP_INTERRUPT) { 2938b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* exit request from the cpu execution loop */ 2948b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project ret = env->exception_index; 295427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner if (ret == EXCP_DEBUG) { 2965d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner cpu_handle_debug_exception(env); 297427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner } 2988b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project break; 2995d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner } else { 3005d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#if defined(CONFIG_USER_ONLY) 3018b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* if user mode only, we simulate a fake exception 3028b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project which will be handled outside the cpu execution 3038b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project loop */ 3048b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#if defined(TARGET_I386) 305bf2340f1eae08ddada9ed09490aa83e0a1bd7586David 'Digit' Turner do_interrupt(env); 3068b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 3078b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project ret = env->exception_index; 3088b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project break; 3095d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#else 3108b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project do_interrupt(env); 311a5d412078b8e7478d81df03710eacc7a21096ba2David 'Digit' Turner env->exception_index = -1; 3125d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#endif 3138b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 3148b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 3158b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 316a381ef07088ce479610129e37bfef42538f397daJun Nakajima#ifdef CONFIG_HAX 3177f38c7f905384c064b88fbdfa2eb054a92be63f3David 'Digit' Turner if (hax_enabled() && !hax_vcpu_exec(cpu)) 318a381ef07088ce479610129e37bfef42538f397daJun Nakajima longjmp(env->jmp_env, 1); 319a381ef07088ce479610129e37bfef42538f397daJun Nakajima#endif 320a381ef07088ce479610129e37bfef42538f397daJun Nakajima 3215d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner if (kvm_enabled()) { 3227f38c7f905384c064b88fbdfa2eb054a92be63f3David 'Digit' Turner kvm_cpu_exec(cpu); 3235d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner longjmp(env->jmp_env, 1); 3245d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner } 3255d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner 3268b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project next_tb = 0; /* force lookup of first TB */ 3278b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project for(;;) { 3286657678c3d86395084f6a699e73614195f06c445David 'Digit' Turner interrupt_request = cpu->interrupt_request; 329a381ef07088ce479610129e37bfef42538f397daJun Nakajima if (unlikely(need_handle_intr_request(env))) { 330fed223d2bab55eda155e3463b9cb6966e69dd73cDavid 'Digit' Turner if (unlikely(cpu->singlestep_enabled & SSTEP_NOIRQ)) { 3315d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner /* Mask out external interrupts for this step. */ 3325285864985be9077e58e42235af6582dee72e841David 'Digit' Turner interrupt_request &= ~CPU_INTERRUPT_SSTEP_MASK; 3335d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner } 3348b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (interrupt_request & CPU_INTERRUPT_DEBUG) { 3356657678c3d86395084f6a699e73614195f06c445David 'Digit' Turner cpu->interrupt_request &= ~CPU_INTERRUPT_DEBUG; 3368b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->exception_index = EXCP_DEBUG; 33785c62200dbdb7ced04b34cb228098b888a8cd828David 'Digit' Turner cpu_loop_exit(env); 3388b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 3398b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#if defined(TARGET_ARM) || defined(TARGET_SPARC) || defined(TARGET_MIPS) || \ 3405d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner defined(TARGET_PPC) || defined(TARGET_ALPHA) || defined(TARGET_CRIS) || \ 341427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner defined(TARGET_MICROBLAZE) || defined(TARGET_LM32) || defined(TARGET_UNICORE32) 3428b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (interrupt_request & CPU_INTERRUPT_HALT) { 3436657678c3d86395084f6a699e73614195f06c445David 'Digit' Turner cpu->interrupt_request &= ~CPU_INTERRUPT_HALT; 3446657678c3d86395084f6a699e73614195f06c445David 'Digit' Turner cpu->halted = 1; 3458b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->exception_index = EXCP_HLT; 34685c62200dbdb7ced04b34cb228098b888a8cd828David 'Digit' Turner cpu_loop_exit(env); 3478b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 3488b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 3498b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#if defined(TARGET_I386) 350a5d412078b8e7478d81df03710eacc7a21096ba2David 'Digit' Turner if (interrupt_request & CPU_INTERRUPT_INIT) { 351bf2340f1eae08ddada9ed09490aa83e0a1bd7586David 'Digit' Turner svm_check_intercept(env, SVM_EXIT_INIT); 352a5d412078b8e7478d81df03710eacc7a21096ba2David 'Digit' Turner do_cpu_init(env); 353a5d412078b8e7478d81df03710eacc7a21096ba2David 'Digit' Turner env->exception_index = EXCP_HALTED; 35485c62200dbdb7ced04b34cb228098b888a8cd828David 'Digit' Turner cpu_loop_exit(env); 355a5d412078b8e7478d81df03710eacc7a21096ba2David 'Digit' Turner } else if (interrupt_request & CPU_INTERRUPT_SIPI) { 356a5d412078b8e7478d81df03710eacc7a21096ba2David 'Digit' Turner do_cpu_sipi(env); 357a5d412078b8e7478d81df03710eacc7a21096ba2David 'Digit' Turner } else if (env->hflags2 & HF2_GIF_MASK) { 3588b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if ((interrupt_request & CPU_INTERRUPT_SMI) && 3598b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project !(env->hflags & HF_SMM_MASK)) { 360bf2340f1eae08ddada9ed09490aa83e0a1bd7586David 'Digit' Turner svm_check_intercept(env, SVM_EXIT_SMI); 3616657678c3d86395084f6a699e73614195f06c445David 'Digit' Turner cpu->interrupt_request &= ~CPU_INTERRUPT_SMI; 362bf2340f1eae08ddada9ed09490aa83e0a1bd7586David 'Digit' Turner do_smm_enter(env); 3638b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project next_tb = 0; 3648b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } else if ((interrupt_request & CPU_INTERRUPT_NMI) && 3658b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project !(env->hflags2 & HF2_NMI_MASK)) { 3666657678c3d86395084f6a699e73614195f06c445David 'Digit' Turner cpu->interrupt_request &= ~CPU_INTERRUPT_NMI; 3678b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->hflags2 |= HF2_NMI_MASK; 368bf2340f1eae08ddada9ed09490aa83e0a1bd7586David 'Digit' Turner do_interrupt_x86_hardirq(env, EXCP02_NMI, 1); 3698b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project next_tb = 0; 370a5d412078b8e7478d81df03710eacc7a21096ba2David 'Digit' Turner } else if (interrupt_request & CPU_INTERRUPT_MCE) { 3716657678c3d86395084f6a699e73614195f06c445David 'Digit' Turner cpu->interrupt_request &= ~CPU_INTERRUPT_MCE; 372bf2340f1eae08ddada9ed09490aa83e0a1bd7586David 'Digit' Turner do_interrupt_x86_hardirq(env, EXCP12_MCHK, 0); 373a5d412078b8e7478d81df03710eacc7a21096ba2David 'Digit' Turner next_tb = 0; 3748b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } else if ((interrupt_request & CPU_INTERRUPT_HARD) && 375f645f7d6fd841e39524e5df8c1a7fd8347f92ac1David 'Digit' Turner (((env->hflags2 & HF2_VINTR_MASK) && 3768b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project (env->hflags2 & HF2_HIF_MASK)) || 377f645f7d6fd841e39524e5df8c1a7fd8347f92ac1David 'Digit' Turner (!(env->hflags2 & HF2_VINTR_MASK) && 378f645f7d6fd841e39524e5df8c1a7fd8347f92ac1David 'Digit' Turner (env->eflags & IF_MASK && 3798b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project !(env->hflags & HF_INHIBIT_IRQ_MASK))))) { 3808b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int intno; 381bf2340f1eae08ddada9ed09490aa83e0a1bd7586David 'Digit' Turner svm_check_intercept(env, SVM_EXIT_INTR); 3826657678c3d86395084f6a699e73614195f06c445David 'Digit' Turner cpu->interrupt_request &= ~(CPU_INTERRUPT_HARD | CPU_INTERRUPT_VIRQ); 3838b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project intno = cpu_get_pic_interrupt(env); 3845d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner qemu_log_mask(CPU_LOG_TB_IN_ASM, "Servicing hardware INT=0x%02x\n", intno); 385bf2340f1eae08ddada9ed09490aa83e0a1bd7586David 'Digit' Turner do_interrupt_x86_hardirq(env, intno, 1); 3868b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* ensure that no TB jump will be modified as 3878b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project the program flow was changed */ 3888b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project next_tb = 0; 3898b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#if !defined(CONFIG_USER_ONLY) 3908b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } else if ((interrupt_request & CPU_INTERRUPT_VIRQ) && 391f645f7d6fd841e39524e5df8c1a7fd8347f92ac1David 'Digit' Turner (env->eflags & IF_MASK) && 3928b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project !(env->hflags & HF_INHIBIT_IRQ_MASK)) { 3938b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int intno; 3948b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* FIXME: this should respect TPR */ 395bf2340f1eae08ddada9ed09490aa83e0a1bd7586David 'Digit' Turner svm_check_intercept(env, SVM_EXIT_VINTR); 3968b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project intno = ldl_phys(env->vm_vmcb + offsetof(struct vmcb, control.int_vector)); 3975d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner qemu_log_mask(CPU_LOG_TB_IN_ASM, "Servicing virtual hardware INT=0x%02x\n", intno); 398bf2340f1eae08ddada9ed09490aa83e0a1bd7586David 'Digit' Turner do_interrupt_x86_hardirq(env, intno, 1); 3996657678c3d86395084f6a699e73614195f06c445David 'Digit' Turner cpu->interrupt_request &= ~CPU_INTERRUPT_VIRQ; 4008b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project next_tb = 0; 4018b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 4028b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 4038b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 4048b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_PPC) 4058b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#if 0 4068b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if ((interrupt_request & CPU_INTERRUPT_RESET)) { 407a5d412078b8e7478d81df03710eacc7a21096ba2David 'Digit' Turner cpu_reset(env); 4088b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 4098b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 4108b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (interrupt_request & CPU_INTERRUPT_HARD) { 4118b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project ppc_hw_interrupt(env); 4128b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (env->pending_interrupts == 0) 4138b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->interrupt_request &= ~CPU_INTERRUPT_HARD; 4148b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project next_tb = 0; 4158b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 416427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner#elif defined(TARGET_LM32) 417427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner if ((interrupt_request & CPU_INTERRUPT_HARD) 418427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner && (env->ie & IE_IE)) { 419427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner env->exception_index = EXCP_IRQ; 420427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner do_interrupt(env); 421427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner next_tb = 0; 422427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner } 4235d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#elif defined(TARGET_MICROBLAZE) 4245d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner if ((interrupt_request & CPU_INTERRUPT_HARD) 4255d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner && (env->sregs[SR_MSR] & MSR_IE) 4265d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner && !(env->sregs[SR_MSR] & (MSR_EIP | MSR_BIP)) 4275d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner && !(env->iflags & (D_FLAG | IMM_FLAG))) { 4285d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner env->exception_index = EXCP_IRQ; 4295d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner do_interrupt(env); 4305d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner next_tb = 0; 4315d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner } 4328b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_MIPS) 4338b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if ((interrupt_request & CPU_INTERRUPT_HARD) && 434427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner cpu_mips_hw_interrupts_pending(env)) { 4358b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* Raise it */ 4368b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->exception_index = EXCP_EXT_INTERRUPT; 4378b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->error_code = 0; 4388b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project do_interrupt(env); 4398b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project next_tb = 0; 4408b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 4418b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_SPARC) 44224cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner if (interrupt_request & CPU_INTERRUPT_HARD) { 44324cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner if (cpu_interrupts_enabled(env) && 44424cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner env->interrupt_index > 0) { 44524cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner int pil = env->interrupt_index & 0xf; 44624cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner int type = env->interrupt_index & 0xf0; 44724cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner 44824cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner if (((type == TT_EXTINT) && 44924cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner cpu_pil_allowed(env, pil)) || 45024cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner type != TT_EXTINT) { 45124cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner env->exception_index = env->interrupt_index; 45224cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner do_interrupt(env); 45324cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner next_tb = 0; 45424cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner } 45524cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner } 4568b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 4578b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_ARM) 4588b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (interrupt_request & CPU_INTERRUPT_FIQ 4598b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project && !(env->uncached_cpsr & CPSR_F)) { 4608b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->exception_index = EXCP_FIQ; 4618b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project do_interrupt(env); 4628b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project next_tb = 0; 4638b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 4648b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* ARMv7-M interrupt return works by loading a magic value 4658b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project into the PC. On real hardware the load causes the 4668b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return to occur. The qemu implementation performs the 4678b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project jump normally, then does the exception return when the 4688b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project CPU tries to execute code at the magic address. 4698b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project This will cause the magic PC value to be pushed to 4705285864985be9077e58e42235af6582dee72e841David 'Digit' Turner the stack if an interrupt occurred at the wrong time. 4718b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project We avoid this by disabling interrupts when 4728b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project pc contains a magic address. */ 4738b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (interrupt_request & CPU_INTERRUPT_HARD 4748b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project && ((IS_M(env) && env->regs[15] < 0xfffffff0) 4758b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project || !(env->uncached_cpsr & CPSR_I))) { 4768b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->exception_index = EXCP_IRQ; 4778b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project do_interrupt(env); 4788b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project next_tb = 0; 4798b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 480427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner#elif defined(TARGET_UNICORE32) 481427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner if (interrupt_request & CPU_INTERRUPT_HARD 482427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner && !(env->uncached_asr & ASR_I)) { 483427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner do_interrupt(env); 484427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner next_tb = 0; 485427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner } 4868b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_SH4) 4878b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (interrupt_request & CPU_INTERRUPT_HARD) { 4888b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project do_interrupt(env); 4898b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project next_tb = 0; 4908b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 4918b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_ALPHA) 4928b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (interrupt_request & CPU_INTERRUPT_HARD) { 4938b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project do_interrupt(env); 4948b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project next_tb = 0; 4958b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 4968b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_CRIS) 4978b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (interrupt_request & CPU_INTERRUPT_HARD 49824cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner && (env->pregs[PR_CCS] & I_FLAG) 49924cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner && !env->locked_irq) { 5008b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->exception_index = EXCP_IRQ; 5018b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project do_interrupt(env); 5028b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project next_tb = 0; 5038b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 5048b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (interrupt_request & CPU_INTERRUPT_NMI 5058b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project && (env->pregs[PR_CCS] & M_FLAG)) { 5068b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->exception_index = EXCP_NMI; 5078b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project do_interrupt(env); 5088b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project next_tb = 0; 5098b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 5108b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_M68K) 5118b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (interrupt_request & CPU_INTERRUPT_HARD 5128b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project && ((env->sr & SR_I) >> SR_I_SHIFT) 5138b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project < env->pending_level) { 5148b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* Real hardware gets the interrupt vector via an 5158b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project IACK cycle at this point. Current emulated 5168b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project hardware doesn't rely on this, so we 5178b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project provide/save the vector when the interrupt is 5188b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project first signalled. */ 5198b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->exception_index = env->pending_vector; 520bf2340f1eae08ddada9ed09490aa83e0a1bd7586David 'Digit' Turner do_interrupt_m68k_hardirq(env, 1); 5218b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project next_tb = 0; 5228b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 523427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner#elif defined(TARGET_S390X) && !defined(CONFIG_USER_ONLY) 524427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner if ((interrupt_request & CPU_INTERRUPT_HARD) && 525427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner (env->psw.mask & PSW_MASK_EXT)) { 526427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner do_interrupt(env); 527427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner next_tb = 0; 528427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner } 5298b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 5305285864985be9077e58e42235af6582dee72e841David 'Digit' Turner /* Don't use the cached interrupt_request value, 5318b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project do_interrupt may have updated the EXITTB flag. */ 5326657678c3d86395084f6a699e73614195f06c445David 'Digit' Turner if (cpu->interrupt_request & CPU_INTERRUPT_EXITTB) { 5336657678c3d86395084f6a699e73614195f06c445David 'Digit' Turner cpu->interrupt_request &= ~CPU_INTERRUPT_EXITTB; 5348b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* ensure that no TB jump will be modified as 5358b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project the program flow was changed */ 5368b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project next_tb = 0; 5378b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 5385d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner } 5396657678c3d86395084f6a699e73614195f06c445David 'Digit' Turner if (unlikely(cpu->exit_request)) { 5406657678c3d86395084f6a699e73614195f06c445David 'Digit' Turner cpu->exit_request = 0; 5415d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner env->exception_index = EXCP_INTERRUPT; 54285c62200dbdb7ced04b34cb228098b888a8cd828David 'Digit' Turner cpu_loop_exit(env); 5438b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 54424cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#if defined(DEBUG_DISAS) || defined(CONFIG_DEBUG_EXEC) 5455d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner if (qemu_loglevel_mask(CPU_LOG_TB_CPU)) { 5468b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* restore flags in standard format */ 5478b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#if defined(TARGET_I386) 548bf2340f1eae08ddada9ed09490aa83e0a1bd7586David 'Digit' Turner env->eflags = env->eflags | cpu_cc_compute_all(env, CC_OP) 549bf2340f1eae08ddada9ed09490aa83e0a1bd7586David 'Digit' Turner | (DF & DF_MASK); 550bf7a22f3a6c38d359d2e933dec4706d1c7375f0aDavid 'Digit' Turner log_cpu_state(cpu, X86_DUMP_CCOP); 5518b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->eflags &= ~(DF_MASK | CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C); 5528b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_M68K) 5538b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project cpu_m68k_flush_flags(env, env->cc_op); 5548b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->cc_op = CC_OP_FLAGS; 5558b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->sr = (env->sr & 0xffe0) 5568b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project | env->cc_dest | (env->cc_x << 4); 557bf7a22f3a6c38d359d2e933dec4706d1c7375f0aDavid 'Digit' Turner log_cpu_state(cpu, 0); 5588b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#else 559bf7a22f3a6c38d359d2e933dec4706d1c7375f0aDavid 'Digit' Turner log_cpu_state(cpu, 0); 5608b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 5618b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 56224cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#endif /* DEBUG_DISAS || CONFIG_DEBUG_EXEC */ 5631348777d4229cf65ef12d0a4ee531d4502847277David 'Digit' Turner spin_lock(&tcg_ctx.tb_ctx.tb_lock); 564a681001f110feadb11ebed7c46832262784f6720David 'Digit' Turner tb = tb_find_fast(env); 5658b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* Note: we do it here to avoid a gcc bug on Mac OS X when 5668b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project doing it in tb_find_slow */ 5678b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (tb_invalidated_flag) { 5688b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* as some TB could have been invalidated because 5698b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project of memory exceptions while generating the code, we 5708b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project must recompute the hash index here */ 5718b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project next_tb = 0; 5728b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project tb_invalidated_flag = 0; 5738b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 57424cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#ifdef CONFIG_DEBUG_EXEC 5755d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner qemu_log_mask(CPU_LOG_EXEC, "Trace 0x%08lx [" TARGET_FMT_lx "] %s\n", 5765d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner (long)tb->tc_ptr, tb->pc, 5775d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner lookup_symbol(tb->pc)); 5788b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 5798b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* see if we can patch the calling TB. When the TB 5808b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project spans two pages, we cannot safely do a direct 5818b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project jump. */ 58224cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner if (next_tb != 0 && tb->page_addr[1] == -1) { 5838b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project tb_add_jump((TranslationBlock *)(next_tb & ~3), next_tb & 3, tb); 5848b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 5851348777d4229cf65ef12d0a4ee531d4502847277David 'Digit' Turner spin_unlock(&tcg_ctx.tb_ctx.tb_lock); 5865d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner 5875d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner /* cpu_interrupt might be called while translating the 5885d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner TB, but before it is linked into a potentially 5895d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner infinite loop and becomes env->current_tb. Avoid 5905d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner starting execution if there is a pending interrupt. */ 59124cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner env->current_tb = tb; 59224cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner barrier(); 5936657678c3d86395084f6a699e73614195f06c445David 'Digit' Turner if (likely(!cpu->exit_request)) { 5948b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project tc_ptr = tb->tc_ptr; 5958b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* execute the generated code */ 596a681001f110feadb11ebed7c46832262784f6720David 'Digit' Turner next_tb = tcg_qemu_tb_exec(env, tc_ptr); 5978b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if ((next_tb & 3) == 2) { 5988b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* Instruction counter expired. */ 5998b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int insns_left; 6008b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project tb = (TranslationBlock *)(long)(next_tb & ~3); 6018b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* Restore PC. */ 6025d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner cpu_pc_from_tb(env, tb); 6038b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project insns_left = env->icount_decr.u32; 6048b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (env->icount_extra && insns_left >= 0) { 6058b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* Refill decrementer and continue execution. */ 6068b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->icount_extra += insns_left; 6078b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (env->icount_extra > 0xffff) { 6088b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project insns_left = 0xffff; 6098b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } else { 6108b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project insns_left = env->icount_extra; 6118b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 6128b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->icount_extra -= insns_left; 6138b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->icount_decr.u16.low = insns_left; 6148b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } else { 6158b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (insns_left > 0) { 6168b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* Execute remaining instructions. */ 617a681001f110feadb11ebed7c46832262784f6720David 'Digit' Turner cpu_exec_nocache(env, insns_left, tb); 6188b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 6198b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->exception_index = EXCP_INTERRUPT; 6208b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project next_tb = 0; 62185c62200dbdb7ced04b34cb228098b888a8cd828David 'Digit' Turner cpu_loop_exit(env); 6228b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 6238b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 6248b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 62524cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner env->current_tb = NULL; 626a381ef07088ce479610129e37bfef42538f397daJun Nakajima#ifdef CONFIG_HAX 6277f38c7f905384c064b88fbdfa2eb054a92be63f3David 'Digit' Turner if (hax_enabled() && hax_stop_emulation(cpu)) 62885c62200dbdb7ced04b34cb228098b888a8cd828David 'Digit' Turner cpu_loop_exit(env); 629a381ef07088ce479610129e37bfef42538f397daJun Nakajima#endif 6308b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* reset soft MMU for next block (it can currently 6318b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project only be set by a memory fault) */ 6328b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } /* for(;;) */ 633730dce73a94ca51ad8f49861996058771dcd98b2David 'Digit' Turner } else { 634730dce73a94ca51ad8f49861996058771dcd98b2David 'Digit' Turner /* Reload env after longjmp - the compiler may have smashed all 635730dce73a94ca51ad8f49861996058771dcd98b2David 'Digit' Turner * local variables as longjmp is marked 'noreturn'. */ 636730dce73a94ca51ad8f49861996058771dcd98b2David 'Digit' Turner env = cpu_single_env; 6378b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 6388b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } /* for(;;) */ 6398b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 6408b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 6418b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#if defined(TARGET_I386) 6428b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* restore flags in standard format */ 643bf2340f1eae08ddada9ed09490aa83e0a1bd7586David 'Digit' Turner env->eflags = env->eflags | cpu_cc_compute_all(env, CC_OP) 644bf2340f1eae08ddada9ed09490aa83e0a1bd7586David 'Digit' Turner | (DF & DF_MASK); 6458b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_ARM) 6468b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* XXX: Save/restore host fpu exception state?. */ 647427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner#elif defined(TARGET_UNICORE32) 6488b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_SPARC) 6498b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_PPC) 650427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner#elif defined(TARGET_LM32) 6518b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_M68K) 6528b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project cpu_m68k_flush_flags(env, env->cc_op); 6538b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->cc_op = CC_OP_FLAGS; 6548b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->sr = (env->sr & 0xffe0) 6558b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project | env->cc_dest | (env->cc_x << 4); 6565d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#elif defined(TARGET_MICROBLAZE) 6578b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_MIPS) 6588b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_SH4) 6598b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_ALPHA) 6608b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_CRIS) 66124cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#elif defined(TARGET_S390X) 6628b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* XXXXX */ 6638b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#else 6648b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#error unsupported target CPU 6658b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 6668b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 6678b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* fail safe : never use cpu_single_env outside cpu_exec() */ 6686657678c3d86395084f6a699e73614195f06c445David 'Digit' Turner current_cpu = NULL; 6698b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return ret; 6708b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 6718b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 6728b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#if defined(TARGET_I386) && defined(CONFIG_USER_ONLY) 6738b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 6748b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectvoid cpu_x86_load_seg(CPUX86State *s, int seg_reg, int selector) 6758b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 6768b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project CPUX86State *saved_env; 6778b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 6788b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project saved_env = env; 6798b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env = s; 6808b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (!(env->cr[0] & CR0_PE_MASK) || (env->eflags & VM_MASK)) { 6818b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project selector &= 0xffff; 6828b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project cpu_x86_load_seg_cache(env, seg_reg, selector, 6838b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project (selector << 4), 0xffff, 0); 6848b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } else { 6858b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project helper_load_seg(seg_reg, selector); 6868b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 6878b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env = saved_env; 6888b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 6898b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 6908b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectvoid cpu_x86_fsave(CPUX86State *s, target_ulong ptr, int data32) 6918b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 6928b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project CPUX86State *saved_env; 6938b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 6948b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project saved_env = env; 6958b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env = s; 6968b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 6978b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project helper_fsave(ptr, data32); 6988b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 6998b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env = saved_env; 7008b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 7018b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 7028b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectvoid cpu_x86_frstor(CPUX86State *s, target_ulong ptr, int data32) 7038b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 7048b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project CPUX86State *saved_env; 7058b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 7068b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project saved_env = env; 7078b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env = s; 7088b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 7098b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project helper_frstor(ptr, data32); 7108b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 7118b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env = saved_env; 7128b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 7138b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 7148b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif /* TARGET_I386 */ 7158b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 7168b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#if !defined(CONFIG_SOFTMMU) 7178b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 7188b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#if defined(TARGET_I386) 71924cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#define EXCEPTION_ACTION raise_exception_err(env->exception_index, env->error_code) 72024cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#else 72185c62200dbdb7ced04b34cb228098b888a8cd828David 'Digit' Turner#define EXCEPTION_ACTION cpu_loop_exit(env) 72224cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#endif 7238b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 7248b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* 'pc' is the host PC at which the exception was raised. 'address' is 7258b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project the effective address of the memory exception. 'is_write' is 1 if a 7268b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project write caused the exception and otherwise 0'. 'old_set' is the 7278b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project signal set which should be restored */ 7288b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectstatic inline int handle_cpu_signal(unsigned long pc, unsigned long address, 7298b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int is_write, sigset_t *old_set, 7308b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project void *puc) 7318b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 7328b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project TranslationBlock *tb; 7338b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int ret; 7348b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 7358b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (cpu_single_env) 7368b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env = cpu_single_env; /* XXX: find a correct solution for multithread */ 7378b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#if defined(DEBUG_SIGNAL) 7388b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project qemu_printf("qemu: SIGSEGV pc=0x%08lx address=%08lx w=%d oldset=0x%08lx\n", 7398b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project pc, address, is_write, *(unsigned long *)old_set); 7408b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 7418b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* XXX: locking issue */ 7428b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (is_write && page_unprotect(h2g(address), pc, puc)) { 7438b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return 1; 7448b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 7458b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 7468b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* see if it is an MMU fault */ 74724cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner ret = cpu_handle_mmu_fault(env, address, is_write, MMU_USER_IDX, 0); 7488b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (ret < 0) 7498b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return 0; /* not an MMU fault */ 7508b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (ret == 0) 7518b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return 1; /* the MMU fault was handled without causing real CPU fault */ 7528b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* now we have a real cpu fault */ 7538b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project tb = tb_find_pc(pc); 7548b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (tb) { 7558b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* the PC is inside the translated code. It means that we have 7568b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project a virtual CPU fault */ 7573e0677df2819b1366819fe4112dc8464425b6edaDavid 'Digit' Turner cpu_restore_state(env, pc); 7588b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 7598b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 7608b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* we restore the process signal mask as the sigreturn should 7618b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project do it (XXX: use sigsetjmp) */ 7628b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project sigprocmask(SIG_SETMASK, old_set, NULL); 76324cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner EXCEPTION_ACTION; 7648b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 7658b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* never comes here */ 7668b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return 1; 7678b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 7688b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 7698b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#if defined(__i386__) 7708b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 7718b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#if defined(__APPLE__) 7728b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# include <sys/ucontext.h> 7738b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 7748b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define EIP_sig(context) (*((unsigned long*)&(context)->uc_mcontext->ss.eip)) 7758b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define TRAP_sig(context) ((context)->uc_mcontext->es.trapno) 7768b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define ERROR_sig(context) ((context)->uc_mcontext->es.err) 7775d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner# define MASK_sig(context) ((context)->uc_sigmask) 77824cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#elif defined (__NetBSD__) 77924cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner# include <ucontext.h> 78024cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner 78124cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner# define EIP_sig(context) ((context)->uc_mcontext.__gregs[_REG_EIP]) 78224cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner# define TRAP_sig(context) ((context)->uc_mcontext.__gregs[_REG_TRAPNO]) 78324cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner# define ERROR_sig(context) ((context)->uc_mcontext.__gregs[_REG_ERR]) 78424cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner# define MASK_sig(context) ((context)->uc_sigmask) 78524cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#elif defined (__FreeBSD__) || defined(__DragonFly__) 78624cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner# include <ucontext.h> 78724cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner 78824cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner# define EIP_sig(context) (*((unsigned long*)&(context)->uc_mcontext.mc_eip)) 78924cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner# define TRAP_sig(context) ((context)->uc_mcontext.mc_trapno) 79024cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner# define ERROR_sig(context) ((context)->uc_mcontext.mc_err) 79124cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner# define MASK_sig(context) ((context)->uc_sigmask) 7925d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#elif defined(__OpenBSD__) 7935d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner# define EIP_sig(context) ((context)->sc_eip) 7945d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner# define TRAP_sig(context) ((context)->sc_trapno) 7955d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner# define ERROR_sig(context) ((context)->sc_err) 7965d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner# define MASK_sig(context) ((context)->sc_mask) 7978b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#else 7988b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define EIP_sig(context) ((context)->uc_mcontext.gregs[REG_EIP]) 7998b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define TRAP_sig(context) ((context)->uc_mcontext.gregs[REG_TRAPNO]) 8008b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define ERROR_sig(context) ((context)->uc_mcontext.gregs[REG_ERR]) 8015d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner# define MASK_sig(context) ((context)->uc_sigmask) 8028b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 8038b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 8048b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectint cpu_signal_handler(int host_signum, void *pinfo, 8058b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project void *puc) 8068b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 8078b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project siginfo_t *info = pinfo; 80824cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#if defined(__NetBSD__) || defined (__FreeBSD__) || defined(__DragonFly__) 80924cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner ucontext_t *uc = puc; 81024cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#elif defined(__OpenBSD__) 8115d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner struct sigcontext *uc = puc; 8125d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#else 8138b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project struct ucontext *uc = puc; 8145d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#endif 8158b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project unsigned long pc; 8168b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int trapno; 8178b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 8188b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#ifndef REG_EIP 8198b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* for glibc 2.1 */ 8208b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define REG_EIP EIP 8218b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define REG_ERR ERR 8228b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define REG_TRAPNO TRAPNO 8238b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 8248b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project pc = EIP_sig(uc); 8258b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project trapno = TRAP_sig(uc); 8268b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return handle_cpu_signal(pc, (unsigned long)info->si_addr, 8278b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project trapno == 0xe ? 8288b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project (ERROR_sig(uc) >> 1) & 1 : 0, 8295d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner &MASK_sig(uc), puc); 8308b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 8318b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 8328b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(__x86_64__) 8338b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 8345d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#ifdef __NetBSD__ 8355d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#define PC_sig(context) _UC_MACHINE_PC(context) 8365d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#define TRAP_sig(context) ((context)->uc_mcontext.__gregs[_REG_TRAPNO]) 8375d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#define ERROR_sig(context) ((context)->uc_mcontext.__gregs[_REG_ERR]) 8385d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#define MASK_sig(context) ((context)->uc_sigmask) 8395d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#elif defined(__OpenBSD__) 8405d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#define PC_sig(context) ((context)->sc_rip) 8415d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#define TRAP_sig(context) ((context)->sc_trapno) 8425d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#define ERROR_sig(context) ((context)->sc_err) 8435d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#define MASK_sig(context) ((context)->sc_mask) 84424cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#elif defined (__FreeBSD__) || defined(__DragonFly__) 84524cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#include <ucontext.h> 84624cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner 84724cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#define PC_sig(context) (*((unsigned long*)&(context)->uc_mcontext.mc_rip)) 84824cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#define TRAP_sig(context) ((context)->uc_mcontext.mc_trapno) 84924cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#define ERROR_sig(context) ((context)->uc_mcontext.mc_err) 85024cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#define MASK_sig(context) ((context)->uc_sigmask) 8515d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#else 8525d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#define PC_sig(context) ((context)->uc_mcontext.gregs[REG_RIP]) 8535d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#define TRAP_sig(context) ((context)->uc_mcontext.gregs[REG_TRAPNO]) 8545d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#define ERROR_sig(context) ((context)->uc_mcontext.gregs[REG_ERR]) 8555d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#define MASK_sig(context) ((context)->uc_sigmask) 8565d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#endif 8575d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner 8588b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectint cpu_signal_handler(int host_signum, void *pinfo, 8598b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project void *puc) 8608b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 8618b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project siginfo_t *info = pinfo; 8628b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project unsigned long pc; 86324cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#if defined(__NetBSD__) || defined (__FreeBSD__) || defined(__DragonFly__) 8645d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner ucontext_t *uc = puc; 8655d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#elif defined(__OpenBSD__) 8665d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner struct sigcontext *uc = puc; 8675d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#else 8685d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner struct ucontext *uc = puc; 8695d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#endif 8708b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 8715d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner pc = PC_sig(uc); 8728b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return handle_cpu_signal(pc, (unsigned long)info->si_addr, 8735d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner TRAP_sig(uc) == 0xe ? 8745d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner (ERROR_sig(uc) >> 1) & 1 : 0, 8755d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner &MASK_sig(uc), puc); 8768b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 8778b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 8785d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#elif defined(_ARCH_PPC) 8798b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 8808b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/*********************************************************************** 8818b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * signal context platform-specific definitions 8828b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * From Wine 8838b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project */ 8848b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#ifdef linux 8858b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* All Registers access - only for local access */ 8868b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define REG_sig(reg_name, context) ((context)->uc_mcontext.regs->reg_name) 8878b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* Gpr Registers access */ 8888b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define GPR_sig(reg_num, context) REG_sig(gpr[reg_num], context) 8898b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define IAR_sig(context) REG_sig(nip, context) /* Program counter */ 8908b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define MSR_sig(context) REG_sig(msr, context) /* Machine State Register (Supervisor) */ 8918b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define CTR_sig(context) REG_sig(ctr, context) /* Count register */ 8928b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define XER_sig(context) REG_sig(xer, context) /* User's integer exception register */ 8938b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define LR_sig(context) REG_sig(link, context) /* Link register */ 8948b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define CR_sig(context) REG_sig(ccr, context) /* Condition register */ 8958b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* Float Registers access */ 8968b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define FLOAT_sig(reg_num, context) (((double*)((char*)((context)->uc_mcontext.regs+48*4)))[reg_num]) 8978b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define FPSCR_sig(context) (*(int*)((char*)((context)->uc_mcontext.regs+(48+32*2)*4))) 8988b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* Exception Registers access */ 8998b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define DAR_sig(context) REG_sig(dar, context) 9008b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define DSISR_sig(context) REG_sig(dsisr, context) 9018b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define TRAP_sig(context) REG_sig(trap, context) 9028b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif /* linux */ 9038b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 90424cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) 90524cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#include <ucontext.h> 90624cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner# define IAR_sig(context) ((context)->uc_mcontext.mc_srr0) 90724cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner# define MSR_sig(context) ((context)->uc_mcontext.mc_srr1) 90824cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner# define CTR_sig(context) ((context)->uc_mcontext.mc_ctr) 90924cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner# define XER_sig(context) ((context)->uc_mcontext.mc_xer) 91024cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner# define LR_sig(context) ((context)->uc_mcontext.mc_lr) 91124cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner# define CR_sig(context) ((context)->uc_mcontext.mc_cr) 91224cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner/* Exception Registers access */ 91324cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner# define DAR_sig(context) ((context)->uc_mcontext.mc_dar) 91424cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner# define DSISR_sig(context) ((context)->uc_mcontext.mc_dsisr) 91524cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner# define TRAP_sig(context) ((context)->uc_mcontext.mc_exc) 91624cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#endif /* __FreeBSD__|| __FreeBSD_kernel__ */ 91724cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner 9188b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#ifdef __APPLE__ 9198b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# include <sys/ucontext.h> 9208b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projecttypedef struct ucontext SIGCONTEXT; 9218b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* All Registers access - only for local access */ 9228b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define REG_sig(reg_name, context) ((context)->uc_mcontext->ss.reg_name) 9238b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define FLOATREG_sig(reg_name, context) ((context)->uc_mcontext->fs.reg_name) 9248b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define EXCEPREG_sig(reg_name, context) ((context)->uc_mcontext->es.reg_name) 9258b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define VECREG_sig(reg_name, context) ((context)->uc_mcontext->vs.reg_name) 9268b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* Gpr Registers access */ 9278b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define GPR_sig(reg_num, context) REG_sig(r##reg_num, context) 9288b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define IAR_sig(context) REG_sig(srr0, context) /* Program counter */ 9298b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define MSR_sig(context) REG_sig(srr1, context) /* Machine State Register (Supervisor) */ 9308b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define CTR_sig(context) REG_sig(ctr, context) 9318b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define XER_sig(context) REG_sig(xer, context) /* Link register */ 9328b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define LR_sig(context) REG_sig(lr, context) /* User's integer exception register */ 9338b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define CR_sig(context) REG_sig(cr, context) /* Condition register */ 9348b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* Float Registers access */ 9358b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define FLOAT_sig(reg_num, context) FLOATREG_sig(fpregs[reg_num], context) 9368b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define FPSCR_sig(context) ((double)FLOATREG_sig(fpscr, context)) 9378b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* Exception Registers access */ 9388b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define DAR_sig(context) EXCEPREG_sig(dar, context) /* Fault registers for coredump */ 9398b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define DSISR_sig(context) EXCEPREG_sig(dsisr, context) 9408b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define TRAP_sig(context) EXCEPREG_sig(exception, context) /* number of powerpc exception taken */ 9418b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif /* __APPLE__ */ 9428b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 9438b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectint cpu_signal_handler(int host_signum, void *pinfo, 9448b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project void *puc) 9458b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 9468b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project siginfo_t *info = pinfo; 94724cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) 94824cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner ucontext_t *uc = puc; 94924cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#else 9508b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project struct ucontext *uc = puc; 95124cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#endif 9528b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project unsigned long pc; 9538b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int is_write; 9548b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 9558b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project pc = IAR_sig(uc); 9568b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project is_write = 0; 9578b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#if 0 9588b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* ppc 4xx case */ 9598b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (DSISR_sig(uc) & 0x00800000) 9608b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project is_write = 1; 9618b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#else 9628b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (TRAP_sig(uc) != 0x400 && (DSISR_sig(uc) & 0x02000000)) 9638b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project is_write = 1; 9648b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 9658b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return handle_cpu_signal(pc, (unsigned long)info->si_addr, 9668b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project is_write, &uc->uc_sigmask, puc); 9678b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 9688b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 9698b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(__alpha__) 9708b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 9718b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectint cpu_signal_handler(int host_signum, void *pinfo, 9728b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project void *puc) 9738b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 9748b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project siginfo_t *info = pinfo; 9758b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project struct ucontext *uc = puc; 9768b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint32_t *pc = uc->uc_mcontext.sc_pc; 9778b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint32_t insn = *pc; 9788b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int is_write = 0; 9798b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 9808b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* XXX: need kernel patch to get write flag faster */ 9818b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project switch (insn >> 26) { 9828b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case 0x0d: // stw 9838b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case 0x0e: // stb 9848b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case 0x0f: // stq_u 9858b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case 0x24: // stf 9868b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case 0x25: // stg 9878b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case 0x26: // sts 9888b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case 0x27: // stt 9898b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case 0x2c: // stl 9908b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case 0x2d: // stq 9918b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case 0x2e: // stl_c 9928b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case 0x2f: // stq_c 9938b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project is_write = 1; 9948b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 9958b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 9968b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return handle_cpu_signal(pc, (unsigned long)info->si_addr, 9978b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project is_write, &uc->uc_sigmask, puc); 9988b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 9998b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(__sparc__) 10008b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 10018b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectint cpu_signal_handler(int host_signum, void *pinfo, 10028b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project void *puc) 10038b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 10048b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project siginfo_t *info = pinfo; 10058b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int is_write; 10068b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint32_t insn; 10072c538c86c15d597cc875dc926e4e39285c5625dfDavid 'Digit' Turner#if !defined(__arch64__) || defined(CONFIG_SOLARIS) 10088b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint32_t *regs = (uint32_t *)(info + 1); 10098b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project void *sigmask = (regs + 20); 10108b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* XXX: is there a standard glibc define ? */ 10118b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project unsigned long pc = regs[1]; 10128b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#else 10135d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#ifdef __linux__ 10148b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project struct sigcontext *sc = puc; 10158b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project unsigned long pc = sc->sigc_regs.tpc; 10168b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project void *sigmask = (void *)sc->sigc_mask; 10175d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#elif defined(__OpenBSD__) 10185d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner struct sigcontext *uc = puc; 10195d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner unsigned long pc = uc->sc_pc; 10205d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner void *sigmask = (void *)(long)uc->sc_mask; 10215d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#endif 10228b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 10238b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 10248b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* XXX: need kernel patch to get write flag faster */ 10258b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project is_write = 0; 10268b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project insn = *(uint32_t *)pc; 10278b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if ((insn >> 30) == 3) { 10288b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project switch((insn >> 19) & 0x3f) { 10298b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case 0x05: // stb 10305d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner case 0x15: // stba 10318b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case 0x06: // sth 10325d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner case 0x16: // stha 10338b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case 0x04: // st 10345d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner case 0x14: // sta 10358b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case 0x07: // std 10365d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner case 0x17: // stda 10375d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner case 0x0e: // stx 10385d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner case 0x1e: // stxa 10398b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case 0x24: // stf 10405d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner case 0x34: // stfa 10418b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case 0x27: // stdf 10425d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner case 0x37: // stdfa 10435d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner case 0x26: // stqf 10445d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner case 0x36: // stqfa 10458b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case 0x25: // stfsr 10465d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner case 0x3c: // casa 10475d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner case 0x3e: // casxa 10488b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project is_write = 1; 10498b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project break; 10508b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 10518b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 10528b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return handle_cpu_signal(pc, (unsigned long)info->si_addr, 10538b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project is_write, sigmask, NULL); 10548b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 10558b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 10568b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(__arm__) 10578b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 10588b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectint cpu_signal_handler(int host_signum, void *pinfo, 10598b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project void *puc) 10608b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 10618b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project siginfo_t *info = pinfo; 10628b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project struct ucontext *uc = puc; 10638b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project unsigned long pc; 10648b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int is_write; 10658b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 10668b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#if (__GLIBC__ < 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ <= 3)) 10678b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project pc = uc->uc_mcontext.gregs[R15]; 10688b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#else 10698b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project pc = uc->uc_mcontext.arm_pc; 10708b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 10718b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* XXX: compute is_write */ 10728b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project is_write = 0; 10738b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return handle_cpu_signal(pc, (unsigned long)info->si_addr, 10748b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project is_write, 10758b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project &uc->uc_sigmask, puc); 10768b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 10778b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 10788b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(__mc68000) 10798b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 10808b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectint cpu_signal_handler(int host_signum, void *pinfo, 10818b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project void *puc) 10828b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 10838b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project siginfo_t *info = pinfo; 10848b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project struct ucontext *uc = puc; 10858b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project unsigned long pc; 10868b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int is_write; 10878b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 10888b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project pc = uc->uc_mcontext.gregs[16]; 10898b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* XXX: compute is_write */ 10908b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project is_write = 0; 10918b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return handle_cpu_signal(pc, (unsigned long)info->si_addr, 10928b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project is_write, 10938b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project &uc->uc_sigmask, puc); 10948b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 10958b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 10968b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(__ia64) 10978b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 10988b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#ifndef __ISR_VALID 10998b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* This ought to be in <bits/siginfo.h>... */ 11008b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define __ISR_VALID 1 11018b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 11028b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 11038b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectint cpu_signal_handler(int host_signum, void *pinfo, void *puc) 11048b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 11058b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project siginfo_t *info = pinfo; 11068b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project struct ucontext *uc = puc; 11078b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project unsigned long ip; 11088b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int is_write = 0; 11098b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 11108b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project ip = uc->uc_mcontext.sc_ip; 11118b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project switch (host_signum) { 11128b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case SIGILL: 11138b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case SIGFPE: 11148b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case SIGSEGV: 11158b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case SIGBUS: 11168b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case SIGTRAP: 11178b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (info->si_code && (info->si_segvflags & __ISR_VALID)) 11188b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* ISR.W (write-access) is bit 33: */ 11198b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project is_write = (info->si_isr >> 33) & 1; 11208b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project break; 11218b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 11228b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project default: 11238b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project break; 11248b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 11258b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return handle_cpu_signal(ip, (unsigned long)info->si_addr, 11268b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project is_write, 112724cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner (sigset_t *)&uc->uc_sigmask, puc); 11288b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 11298b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 11308b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(__s390__) 11318b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 11328b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectint cpu_signal_handler(int host_signum, void *pinfo, 11338b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project void *puc) 11348b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 11358b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project siginfo_t *info = pinfo; 11368b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project struct ucontext *uc = puc; 11378b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project unsigned long pc; 113824cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner uint16_t *pinsn; 113924cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner int is_write = 0; 11408b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 11418b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project pc = uc->uc_mcontext.psw.addr; 114224cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner 114324cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner /* ??? On linux, the non-rt signal handler has 4 (!) arguments instead 114424cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner of the normal 2 arguments. The 3rd argument contains the "int_code" 114524cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner from the hardware which does in fact contain the is_write value. 114624cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner The rt signal handler, as far as I can tell, does not give this value 114724cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner at all. Not that we could get to it from here even if it were. */ 114824cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner /* ??? This is not even close to complete, since it ignores all 114924cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner of the read-modify-write instructions. */ 115024cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner pinsn = (uint16_t *)pc; 115124cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner switch (pinsn[0] >> 8) { 115224cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0x50: /* ST */ 115324cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0x42: /* STC */ 115424cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0x40: /* STH */ 115524cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner is_write = 1; 115624cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner break; 115724cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0xc4: /* RIL format insns */ 115824cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner switch (pinsn[0] & 0xf) { 115924cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0xf: /* STRL */ 116024cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0xb: /* STGRL */ 116124cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0x7: /* STHRL */ 116224cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner is_write = 1; 116324cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner } 116424cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner break; 116524cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0xe3: /* RXY format insns */ 116624cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner switch (pinsn[2] & 0xff) { 116724cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0x50: /* STY */ 116824cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0x24: /* STG */ 116924cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0x72: /* STCY */ 117024cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0x70: /* STHY */ 117124cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0x8e: /* STPQ */ 117224cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0x3f: /* STRVH */ 117324cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0x3e: /* STRV */ 117424cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0x2f: /* STRVG */ 117524cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner is_write = 1; 117624cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner } 117724cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner break; 117824cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner } 11798b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return handle_cpu_signal(pc, (unsigned long)info->si_addr, 11808b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project is_write, &uc->uc_sigmask, puc); 11818b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 11828b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 11838b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(__mips__) 11848b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 11858b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectint cpu_signal_handler(int host_signum, void *pinfo, 11868b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project void *puc) 11878b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 11888b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project siginfo_t *info = pinfo; 11898b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project struct ucontext *uc = puc; 11908b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project greg_t pc = uc->uc_mcontext.pc; 11918b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int is_write; 11928b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 11938b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* XXX: compute is_write */ 11948b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project is_write = 0; 11958b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return handle_cpu_signal(pc, (unsigned long)info->si_addr, 11968b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project is_write, &uc->uc_sigmask, puc); 11978b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 11988b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 11998b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(__hppa__) 12008b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 12018b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectint cpu_signal_handler(int host_signum, void *pinfo, 12028b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project void *puc) 12038b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 12048b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project struct siginfo *info = pinfo; 12058b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project struct ucontext *uc = puc; 120624cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner unsigned long pc = uc->uc_mcontext.sc_iaoq[0]; 120724cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner uint32_t insn = *(uint32_t *)pc; 120824cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner int is_write = 0; 120924cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner 121024cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner /* XXX: need kernel patch to get write flag faster. */ 121124cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner switch (insn >> 26) { 121224cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0x1a: /* STW */ 121324cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0x19: /* STH */ 121424cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0x18: /* STB */ 121524cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0x1b: /* STWM */ 121624cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner is_write = 1; 121724cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner break; 121824cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner 121924cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0x09: /* CSTWX, FSTWX, FSTWS */ 122024cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0x0b: /* CSTDX, FSTDX, FSTDS */ 122124cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner /* Distinguish from coprocessor load ... */ 122224cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner is_write = (insn >> 9) & 1; 122324cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner break; 122424cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner 122524cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0x03: 122624cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner switch ((insn >> 6) & 15) { 122724cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0xa: /* STWS */ 122824cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0x9: /* STHS */ 122924cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0x8: /* STBS */ 123024cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0xe: /* STWAS */ 123124cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0xc: /* STBYS */ 123224cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner is_write = 1; 123324cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner } 123424cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner break; 123524cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner } 12368b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1237f645f7d6fd841e39524e5df8c1a7fd8347f92ac1David 'Digit' Turner return handle_cpu_signal(pc, (unsigned long)info->si_addr, 123824cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner is_write, &uc->uc_sigmask, puc); 12398b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 12408b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 12418b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#else 12428b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 12438b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#error host CPU specific signal handler needed 12448b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 12458b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 12468b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 12478b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif /* !defined(CONFIG_SOFTMMU) */ 1248