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" 208b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#include "exec.h" 218b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#include "disas.h" 228b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#include "tcg.h" 235d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#include "kvm.h" 24a381ef07088ce479610129e37bfef42538f397daJun Nakajima#include "hax.h" 2524cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#include "qemu-barrier.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 432c538c86c15d597cc875dc926e4e39285c5625dfDavid 'Digit' Turner#if defined(__sparc__) && !defined(CONFIG_SOLARIS) 448b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project// Work around ugly bugs in glibc that mangle global register contents 458b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#undef env 468b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define env cpu_single_env 478b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 488b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 498b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectint tb_invalidated_flag; 508b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 51a5d412078b8e7478d81df03710eacc7a21096ba2David 'Digit' Turner//#define CONFIG_DEBUG_EXEC 528b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project//#define DEBUG_SIGNAL 538b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 545d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turnerint qemu_cpu_has_work(CPUState *env) 555d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner{ 565d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner return cpu_has_work(env); 575d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner} 585d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner 598b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectvoid cpu_loop_exit(void) 608b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 6124cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner env->current_tb = NULL; 628b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project longjmp(env->jmp_env, 1); 638b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 648b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 658b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* exit the current TB from a signal handler. The host registers are 668b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project restored in a state compatible with the CPU emulator 678b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project */ 688b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectvoid cpu_resume_from_signal(CPUState *env1, void *puc) 698b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 708b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#if !defined(CONFIG_SOFTMMU) 715d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#ifdef __linux__ 728b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project struct ucontext *uc = puc; 735d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#elif defined(__OpenBSD__) 745d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner struct sigcontext *uc = puc; 755d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#endif 768b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 778b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 788b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env = env1; 798b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 808b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* XXX: restore cpu registers saved in host registers */ 818b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 828b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#if !defined(CONFIG_SOFTMMU) 838b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (puc) { 848b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* XXX: use siglongjmp ? */ 855d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#ifdef __linux__ 8624cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#ifdef __ia64 8724cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner sigprocmask(SIG_SETMASK, (sigset_t *)&uc->uc_sigmask, NULL); 8824cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#else 898b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project sigprocmask(SIG_SETMASK, &uc->uc_sigmask, NULL); 9024cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#endif 915d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#elif defined(__OpenBSD__) 925d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner sigprocmask(SIG_SETMASK, &uc->sc_mask, NULL); 935d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#endif 948b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 958b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 965d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner env->exception_index = -1; 978b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project longjmp(env->jmp_env, 1); 988b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 998b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1008b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* Execute the code without caching the generated code. An interpreter 1018b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project could be used if available. */ 1028b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectstatic void cpu_exec_nocache(int max_cycles, TranslationBlock *orig_tb) 1038b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 1048b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project unsigned long next_tb; 1058b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project TranslationBlock *tb; 1068b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1078b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* Should never happen. 1088b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project We only end up here when an existing TB is too long. */ 1098b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (max_cycles > CF_COUNT_MASK) 1108b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project max_cycles = CF_COUNT_MASK; 1118b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1128b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project tb = tb_gen_code(env, orig_tb->pc, orig_tb->cs_base, orig_tb->flags, 1138b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project max_cycles); 1148b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->current_tb = tb; 1158b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* execute the generated code */ 1168b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project next_tb = tcg_qemu_tb_exec(tb->tc_ptr); 11724cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner env->current_tb = NULL; 1188b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1198b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if ((next_tb & 3) == 2) { 1208b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* Restore PC. This may happen if async event occurs before 1218b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project the TB starts executing. */ 1225d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner cpu_pc_from_tb(env, tb); 1238b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 1248b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project tb_phys_invalidate(tb, -1); 1258b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project tb_free(tb); 1268b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 1278b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1288b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectstatic TranslationBlock *tb_find_slow(target_ulong pc, 1298b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project target_ulong cs_base, 1308b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint64_t flags) 1318b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 1328b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project TranslationBlock *tb, **ptb1; 1338b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project unsigned int h; 1348b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project target_ulong phys_pc, phys_page1, phys_page2, virt_page2; 1358b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1368b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project tb_invalidated_flag = 0; 1378b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1388b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* find translated block using physical mappings */ 1398b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project phys_pc = get_phys_addr_code(env, pc); 1408b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project phys_page1 = phys_pc & TARGET_PAGE_MASK; 1418b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project phys_page2 = -1; 1428b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project h = tb_phys_hash_func(phys_pc); 1438b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project ptb1 = &tb_phys_hash[h]; 1448b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project for(;;) { 1458b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project tb = *ptb1; 1468b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (!tb) 1478b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project goto not_found; 1488b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (tb->pc == pc && 1498b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project tb->page_addr[0] == phys_page1 && 1508b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project tb->cs_base == cs_base && 1518b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project tb->flags == flags) { 1528b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* check next page if needed */ 1538b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (tb->page_addr[1] != -1) { 1548b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project virt_page2 = (pc & TARGET_PAGE_MASK) + 1558b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project TARGET_PAGE_SIZE; 1568b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project phys_page2 = get_phys_addr_code(env, virt_page2); 1578b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (tb->page_addr[1] == phys_page2) 1588b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project goto found; 1598b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } else { 1608b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project goto found; 1618b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 1628b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 1638b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project ptb1 = &tb->phys_hash_next; 1648b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 1658b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project not_found: 1668b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* if no translated code available, then translate it now */ 1678b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project tb = tb_gen_code(env, pc, cs_base, flags, 0); 1688b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1698b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project found: 1705285864985be9077e58e42235af6582dee72e841David 'Digit' Turner /* Move the last found TB to the head of the list */ 1715285864985be9077e58e42235af6582dee72e841David 'Digit' Turner if (likely(*ptb1)) { 1725285864985be9077e58e42235af6582dee72e841David 'Digit' Turner *ptb1 = tb->phys_hash_next; 1735285864985be9077e58e42235af6582dee72e841David 'Digit' Turner tb->phys_hash_next = tb_phys_hash[h]; 1745285864985be9077e58e42235af6582dee72e841David 'Digit' Turner tb_phys_hash[h] = tb; 1755285864985be9077e58e42235af6582dee72e841David 'Digit' Turner } 1768b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* we add the TB in the virtual pc hash table */ 1778b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->tb_jmp_cache[tb_jmp_cache_hash_func(pc)] = tb; 1788b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return tb; 1798b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 1808b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1818b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectstatic inline TranslationBlock *tb_find_fast(void) 1828b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 1838b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project TranslationBlock *tb; 1848b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project target_ulong cs_base, pc; 1855d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner int flags; 1868b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1878b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* we record a subset of the CPU state. It will 1888b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project always be the same before a given translated block 1898b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project is executed. */ 1905d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner cpu_get_tb_cpu_state(env, &pc, &cs_base, &flags); 1918b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project tb = env->tb_jmp_cache[tb_jmp_cache_hash_func(pc)]; 1928b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (unlikely(!tb || tb->pc != pc || tb->cs_base != cs_base || 1938b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project tb->flags != flags)) { 1948b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project tb = tb_find_slow(pc, cs_base, flags); 1958b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 1968b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return tb; 1978b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 1988b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1995d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turnerstatic CPUDebugExcpHandler *debug_excp_handler; 2005d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner 2015d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' TurnerCPUDebugExcpHandler *cpu_set_debug_excp_handler(CPUDebugExcpHandler *handler) 2025d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner{ 2035d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner CPUDebugExcpHandler *old_handler = debug_excp_handler; 2045d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner 2055d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner debug_excp_handler = handler; 2065d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner return old_handler; 2075d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner} 2085d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner 2095d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turnerstatic void cpu_handle_debug_exception(CPUState *env) 2105d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner{ 2115d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner CPUWatchpoint *wp; 2125d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner 213427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner if (!env->watchpoint_hit) { 214427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner QTAILQ_FOREACH(wp, &env->watchpoints, entry) { 2155d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner wp->flags &= ~BP_WATCHPOINT_HIT; 216427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner } 217427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner } 218427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner if (debug_excp_handler) { 2195d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner debug_excp_handler(env); 220427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner } 2215d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner} 2225d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner 2238b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* main execution loop */ 2248b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 22524cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turnervolatile sig_atomic_t exit_request; 22624cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner 227a381ef07088ce479610129e37bfef42538f397daJun Nakajima/* 228a381ef07088ce479610129e37bfef42538f397daJun Nakajima * Qemu emulation can happen because of MMIO or emulation mode, 229a381ef07088ce479610129e37bfef42538f397daJun Nakajima * i.e. non-PG mode. For MMIO cases, the pending interrupt should not 230a381ef07088ce479610129e37bfef42538f397daJun Nakajima * be emulated in qemu because MMIO is emulated for only one 231a381ef07088ce479610129e37bfef42538f397daJun Nakajima * instruction now and then back to the HAX kernel module. 232a381ef07088ce479610129e37bfef42538f397daJun Nakajima */ 233a381ef07088ce479610129e37bfef42538f397daJun Nakajimaint need_handle_intr_request(CPUState *env) 234a381ef07088ce479610129e37bfef42538f397daJun Nakajima{ 235a381ef07088ce479610129e37bfef42538f397daJun Nakajima#ifdef CONFIG_HAX 236a381ef07088ce479610129e37bfef42538f397daJun Nakajima if (!hax_enabled() || hax_vcpu_emulation_mode(env)) 237a381ef07088ce479610129e37bfef42538f397daJun Nakajima return env->interrupt_request; 238a381ef07088ce479610129e37bfef42538f397daJun Nakajima return 0; 239a381ef07088ce479610129e37bfef42538f397daJun Nakajima#else 240a381ef07088ce479610129e37bfef42538f397daJun Nakajima return env->interrupt_request; 241a381ef07088ce479610129e37bfef42538f397daJun Nakajima#endif 242a381ef07088ce479610129e37bfef42538f397daJun Nakajima} 243a381ef07088ce479610129e37bfef42538f397daJun Nakajima 2448b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectint cpu_exec(CPUState *env1) 2458b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 24624cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner volatile host_reg_t saved_env_reg; 2478b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int ret, interrupt_request; 2488b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project TranslationBlock *tb; 2498b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint8_t *tc_ptr; 2508b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project unsigned long next_tb; 2518b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 2525285864985be9077e58e42235af6582dee72e841David 'Digit' Turner if (env1->halted) { 2535285864985be9077e58e42235af6582dee72e841David 'Digit' Turner if (!cpu_has_work(env1)) { 2548b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return EXCP_HALTED; 2555285864985be9077e58e42235af6582dee72e841David 'Digit' Turner } 2565285864985be9077e58e42235af6582dee72e841David 'Digit' Turner 2575285864985be9077e58e42235af6582dee72e841David 'Digit' Turner env1->halted = 0; 2585285864985be9077e58e42235af6582dee72e841David 'Digit' Turner } 2598b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 2608b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project cpu_single_env = env1; 2618b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 26224cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner /* the access to env below is actually saving the global register's 26324cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner value, so that files not including target-xyz/exec.h are free to 26424cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner use it. */ 26524cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner QEMU_BUILD_BUG_ON (sizeof (saved_env_reg) != sizeof (env)); 26624cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner saved_env_reg = (host_reg_t) env; 26724cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner barrier(); 2688b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env = env1; 2698b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 27024cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner if (unlikely(exit_request)) { 27124cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner env->exit_request = 1; 27224cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner } 27324cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner 2748b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#if defined(TARGET_I386) 27524cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner if (!kvm_enabled()) { 27624cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner /* put eflags in CPU temporary format */ 27724cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner CC_SRC = env->eflags & (CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C); 27824cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner DF = 1 - (2 * ((env->eflags >> 10) & 1)); 27924cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner CC_OP = CC_OP_EFLAGS; 28024cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner env->eflags &= ~(DF_MASK | CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C); 28124cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner } 2828b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_SPARC) 2838b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_M68K) 2848b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->cc_op = CC_OP_FLAGS; 2858b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->cc_dest = env->sr & 0xf; 2868b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->cc_x = (env->sr >> 4) & 1; 2878b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_ALPHA) 2888b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_ARM) 289427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner#elif defined(TARGET_UNICORE32) 2908b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_PPC) 291427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner#elif defined(TARGET_LM32) 2925d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#elif defined(TARGET_MICROBLAZE) 2938b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_MIPS) 2948b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_SH4) 2958b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_CRIS) 296a5d412078b8e7478d81df03710eacc7a21096ba2David 'Digit' Turner#elif defined(TARGET_S390X) 2978b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* XXXXX */ 2988b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#else 2998b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#error unsupported target CPU 3008b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 3018b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->exception_index = -1; 3028b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 3038b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* prepare setjmp context for exception handling */ 3048b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project for(;;) { 3058b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (setjmp(env->jmp_env) == 0) { 3062c538c86c15d597cc875dc926e4e39285c5625dfDavid 'Digit' Turner#if defined(__sparc__) && !defined(CONFIG_SOLARIS) 3075d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#undef env 3085d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner env = cpu_single_env; 3095d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#define env cpu_single_env 3105d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#endif 3118b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* if an exception is pending, we execute it here */ 3128b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (env->exception_index >= 0) { 3138b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (env->exception_index >= EXCP_INTERRUPT) { 3148b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* exit request from the cpu execution loop */ 3158b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project ret = env->exception_index; 316427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner if (ret == EXCP_DEBUG) { 3175d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner cpu_handle_debug_exception(env); 318427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner } 3198b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project break; 3205d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner } else { 3215d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#if defined(CONFIG_USER_ONLY) 3228b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* if user mode only, we simulate a fake exception 3238b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project which will be handled outside the cpu execution 3248b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project loop */ 3258b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#if defined(TARGET_I386) 3268b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project do_interrupt_user(env->exception_index, 3278b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->exception_is_int, 3288b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->error_code, 3298b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->exception_next_eip); 3308b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* successfully delivered */ 3318b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->old_exception = -1; 3328b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 3338b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project ret = env->exception_index; 3348b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project break; 3355d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#else 3368b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#if defined(TARGET_I386) 3378b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* simulate a real cpu exception. On i386, it can 3388b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project trigger new exceptions, but we do not handle 3398b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project double or triple faults yet. */ 3408b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project do_interrupt(env->exception_index, 3418b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->exception_is_int, 3428b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->error_code, 3438b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->exception_next_eip, 0); 3448b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* successfully delivered */ 3458b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->old_exception = -1; 3468b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_PPC) 3478b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project do_interrupt(env); 348427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner#elif defined(TARGET_LM32) 349427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner do_interrupt(env); 3505d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#elif defined(TARGET_MICROBLAZE) 3515d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner do_interrupt(env); 3528b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_MIPS) 3538b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project do_interrupt(env); 3548b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_SPARC) 3558b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project do_interrupt(env); 3568b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_ARM) 3578b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project do_interrupt(env); 358427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner#elif defined(TARGET_UNICORE32) 359427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner do_interrupt(env); 3608b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_SH4) 3618b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project do_interrupt(env); 3628b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_ALPHA) 3638b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project do_interrupt(env); 3648b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_CRIS) 3658b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project do_interrupt(env); 3668b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_M68K) 3678b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project do_interrupt(0); 368427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner#elif defined(TARGET_S390X) 369427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner do_interrupt(env); 3708b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 371a5d412078b8e7478d81df03710eacc7a21096ba2David 'Digit' Turner env->exception_index = -1; 3725d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#endif 3738b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 3748b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 3758b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 376a381ef07088ce479610129e37bfef42538f397daJun Nakajima#ifdef CONFIG_HAX 377a381ef07088ce479610129e37bfef42538f397daJun Nakajima if (hax_enabled() && !hax_vcpu_exec(env)) 378a381ef07088ce479610129e37bfef42538f397daJun Nakajima longjmp(env->jmp_env, 1); 379a381ef07088ce479610129e37bfef42538f397daJun Nakajima#endif 380a381ef07088ce479610129e37bfef42538f397daJun Nakajima 3815d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner if (kvm_enabled()) { 3825d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner kvm_cpu_exec(env); 3835d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner longjmp(env->jmp_env, 1); 3845d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner } 3855d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner 3868b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project next_tb = 0; /* force lookup of first TB */ 3878b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project for(;;) { 3888b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project interrupt_request = env->interrupt_request; 389a381ef07088ce479610129e37bfef42538f397daJun Nakajima if (unlikely(need_handle_intr_request(env))) { 3905d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner if (unlikely(env->singlestep_enabled & SSTEP_NOIRQ)) { 3915d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner /* Mask out external interrupts for this step. */ 3925285864985be9077e58e42235af6582dee72e841David 'Digit' Turner interrupt_request &= ~CPU_INTERRUPT_SSTEP_MASK; 3935d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner } 3948b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (interrupt_request & CPU_INTERRUPT_DEBUG) { 3958b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->interrupt_request &= ~CPU_INTERRUPT_DEBUG; 3968b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->exception_index = EXCP_DEBUG; 3978b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project cpu_loop_exit(); 3988b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 3998b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#if defined(TARGET_ARM) || defined(TARGET_SPARC) || defined(TARGET_MIPS) || \ 4005d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner defined(TARGET_PPC) || defined(TARGET_ALPHA) || defined(TARGET_CRIS) || \ 401427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner defined(TARGET_MICROBLAZE) || defined(TARGET_LM32) || defined(TARGET_UNICORE32) 4028b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (interrupt_request & CPU_INTERRUPT_HALT) { 4038b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->interrupt_request &= ~CPU_INTERRUPT_HALT; 4048b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->halted = 1; 4058b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->exception_index = EXCP_HLT; 4068b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project cpu_loop_exit(); 4078b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 4088b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 4098b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#if defined(TARGET_I386) 410a5d412078b8e7478d81df03710eacc7a21096ba2David 'Digit' Turner if (interrupt_request & CPU_INTERRUPT_INIT) { 411a5d412078b8e7478d81df03710eacc7a21096ba2David 'Digit' Turner svm_check_intercept(SVM_EXIT_INIT); 412a5d412078b8e7478d81df03710eacc7a21096ba2David 'Digit' Turner do_cpu_init(env); 413a5d412078b8e7478d81df03710eacc7a21096ba2David 'Digit' Turner env->exception_index = EXCP_HALTED; 414a5d412078b8e7478d81df03710eacc7a21096ba2David 'Digit' Turner cpu_loop_exit(); 415a5d412078b8e7478d81df03710eacc7a21096ba2David 'Digit' Turner } else if (interrupt_request & CPU_INTERRUPT_SIPI) { 416a5d412078b8e7478d81df03710eacc7a21096ba2David 'Digit' Turner do_cpu_sipi(env); 417a5d412078b8e7478d81df03710eacc7a21096ba2David 'Digit' Turner } else if (env->hflags2 & HF2_GIF_MASK) { 4188b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if ((interrupt_request & CPU_INTERRUPT_SMI) && 4198b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project !(env->hflags & HF_SMM_MASK)) { 4208b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project svm_check_intercept(SVM_EXIT_SMI); 4218b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->interrupt_request &= ~CPU_INTERRUPT_SMI; 4228b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project do_smm_enter(); 4238b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project next_tb = 0; 4248b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } else if ((interrupt_request & CPU_INTERRUPT_NMI) && 4258b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project !(env->hflags2 & HF2_NMI_MASK)) { 4268b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->interrupt_request &= ~CPU_INTERRUPT_NMI; 4278b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->hflags2 |= HF2_NMI_MASK; 4288b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project do_interrupt(EXCP02_NMI, 0, 0, 0, 1); 4298b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project next_tb = 0; 430a5d412078b8e7478d81df03710eacc7a21096ba2David 'Digit' Turner } else if (interrupt_request & CPU_INTERRUPT_MCE) { 431a5d412078b8e7478d81df03710eacc7a21096ba2David 'Digit' Turner env->interrupt_request &= ~CPU_INTERRUPT_MCE; 432a5d412078b8e7478d81df03710eacc7a21096ba2David 'Digit' Turner do_interrupt(EXCP12_MCHK, 0, 0, 0, 0); 433a5d412078b8e7478d81df03710eacc7a21096ba2David 'Digit' Turner next_tb = 0; 4348b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } else if ((interrupt_request & CPU_INTERRUPT_HARD) && 435f645f7d6fd841e39524e5df8c1a7fd8347f92ac1David 'Digit' Turner (((env->hflags2 & HF2_VINTR_MASK) && 4368b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project (env->hflags2 & HF2_HIF_MASK)) || 437f645f7d6fd841e39524e5df8c1a7fd8347f92ac1David 'Digit' Turner (!(env->hflags2 & HF2_VINTR_MASK) && 438f645f7d6fd841e39524e5df8c1a7fd8347f92ac1David 'Digit' Turner (env->eflags & IF_MASK && 4398b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project !(env->hflags & HF_INHIBIT_IRQ_MASK))))) { 4408b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int intno; 4418b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project svm_check_intercept(SVM_EXIT_INTR); 4428b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->interrupt_request &= ~(CPU_INTERRUPT_HARD | CPU_INTERRUPT_VIRQ); 4438b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project intno = cpu_get_pic_interrupt(env); 4445d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner qemu_log_mask(CPU_LOG_TB_IN_ASM, "Servicing hardware INT=0x%02x\n", intno); 4452c538c86c15d597cc875dc926e4e39285c5625dfDavid 'Digit' Turner#if defined(__sparc__) && !defined(CONFIG_SOLARIS) 4465d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#undef env 4475d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner env = cpu_single_env; 4485d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#define env cpu_single_env 4495d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#endif 4508b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project do_interrupt(intno, 0, 0, 0, 1); 4518b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* ensure that no TB jump will be modified as 4528b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project the program flow was changed */ 4538b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project next_tb = 0; 4548b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#if !defined(CONFIG_USER_ONLY) 4558b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } else if ((interrupt_request & CPU_INTERRUPT_VIRQ) && 456f645f7d6fd841e39524e5df8c1a7fd8347f92ac1David 'Digit' Turner (env->eflags & IF_MASK) && 4578b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project !(env->hflags & HF_INHIBIT_IRQ_MASK)) { 4588b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int intno; 4598b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* FIXME: this should respect TPR */ 4608b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project svm_check_intercept(SVM_EXIT_VINTR); 4618b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project intno = ldl_phys(env->vm_vmcb + offsetof(struct vmcb, control.int_vector)); 4625d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner qemu_log_mask(CPU_LOG_TB_IN_ASM, "Servicing virtual hardware INT=0x%02x\n", intno); 4638b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project do_interrupt(intno, 0, 0, 0, 1); 4645d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner env->interrupt_request &= ~CPU_INTERRUPT_VIRQ; 4658b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project next_tb = 0; 4668b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 4678b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 4688b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 4698b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_PPC) 4708b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#if 0 4718b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if ((interrupt_request & CPU_INTERRUPT_RESET)) { 472a5d412078b8e7478d81df03710eacc7a21096ba2David 'Digit' Turner cpu_reset(env); 4738b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 4748b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 4758b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (interrupt_request & CPU_INTERRUPT_HARD) { 4768b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project ppc_hw_interrupt(env); 4778b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (env->pending_interrupts == 0) 4788b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->interrupt_request &= ~CPU_INTERRUPT_HARD; 4798b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project next_tb = 0; 4808b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 481427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner#elif defined(TARGET_LM32) 482427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner if ((interrupt_request & CPU_INTERRUPT_HARD) 483427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner && (env->ie & IE_IE)) { 484427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner env->exception_index = EXCP_IRQ; 485427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner do_interrupt(env); 486427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner next_tb = 0; 487427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner } 4885d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#elif defined(TARGET_MICROBLAZE) 4895d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner if ((interrupt_request & CPU_INTERRUPT_HARD) 4905d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner && (env->sregs[SR_MSR] & MSR_IE) 4915d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner && !(env->sregs[SR_MSR] & (MSR_EIP | MSR_BIP)) 4925d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner && !(env->iflags & (D_FLAG | IMM_FLAG))) { 4935d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner env->exception_index = EXCP_IRQ; 4945d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner do_interrupt(env); 4955d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner next_tb = 0; 4965d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner } 4978b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_MIPS) 4988b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if ((interrupt_request & CPU_INTERRUPT_HARD) && 499427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner cpu_mips_hw_interrupts_pending(env)) { 5008b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* Raise it */ 5018b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->exception_index = EXCP_EXT_INTERRUPT; 5028b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->error_code = 0; 5038b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project do_interrupt(env); 5048b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project next_tb = 0; 5058b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 5068b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_SPARC) 50724cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner if (interrupt_request & CPU_INTERRUPT_HARD) { 50824cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner if (cpu_interrupts_enabled(env) && 50924cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner env->interrupt_index > 0) { 51024cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner int pil = env->interrupt_index & 0xf; 51124cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner int type = env->interrupt_index & 0xf0; 51224cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner 51324cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner if (((type == TT_EXTINT) && 51424cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner cpu_pil_allowed(env, pil)) || 51524cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner type != TT_EXTINT) { 51624cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner env->exception_index = env->interrupt_index; 51724cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner do_interrupt(env); 51824cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner next_tb = 0; 51924cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner } 52024cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner } 5218b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 5228b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_ARM) 5238b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (interrupt_request & CPU_INTERRUPT_FIQ 5248b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project && !(env->uncached_cpsr & CPSR_F)) { 5258b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->exception_index = EXCP_FIQ; 5268b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project do_interrupt(env); 5278b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project next_tb = 0; 5288b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 5298b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* ARMv7-M interrupt return works by loading a magic value 5308b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project into the PC. On real hardware the load causes the 5318b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return to occur. The qemu implementation performs the 5328b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project jump normally, then does the exception return when the 5338b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project CPU tries to execute code at the magic address. 5348b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project This will cause the magic PC value to be pushed to 5355285864985be9077e58e42235af6582dee72e841David 'Digit' Turner the stack if an interrupt occurred at the wrong time. 5368b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project We avoid this by disabling interrupts when 5378b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project pc contains a magic address. */ 5388b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (interrupt_request & CPU_INTERRUPT_HARD 5398b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project && ((IS_M(env) && env->regs[15] < 0xfffffff0) 5408b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project || !(env->uncached_cpsr & CPSR_I))) { 5418b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->exception_index = EXCP_IRQ; 5428b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project do_interrupt(env); 5438b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project next_tb = 0; 5448b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 545427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner#elif defined(TARGET_UNICORE32) 546427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner if (interrupt_request & CPU_INTERRUPT_HARD 547427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner && !(env->uncached_asr & ASR_I)) { 548427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner do_interrupt(env); 549427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner next_tb = 0; 550427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner } 5518b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_SH4) 5528b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (interrupt_request & CPU_INTERRUPT_HARD) { 5538b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project do_interrupt(env); 5548b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project next_tb = 0; 5558b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 5568b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_ALPHA) 5578b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (interrupt_request & CPU_INTERRUPT_HARD) { 5588b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project do_interrupt(env); 5598b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project next_tb = 0; 5608b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 5618b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_CRIS) 5628b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (interrupt_request & CPU_INTERRUPT_HARD 56324cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner && (env->pregs[PR_CCS] & I_FLAG) 56424cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner && !env->locked_irq) { 5658b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->exception_index = EXCP_IRQ; 5668b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project do_interrupt(env); 5678b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project next_tb = 0; 5688b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 5698b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (interrupt_request & CPU_INTERRUPT_NMI 5708b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project && (env->pregs[PR_CCS] & M_FLAG)) { 5718b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->exception_index = EXCP_NMI; 5728b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project do_interrupt(env); 5738b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project next_tb = 0; 5748b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 5758b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_M68K) 5768b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (interrupt_request & CPU_INTERRUPT_HARD 5778b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project && ((env->sr & SR_I) >> SR_I_SHIFT) 5788b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project < env->pending_level) { 5798b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* Real hardware gets the interrupt vector via an 5808b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project IACK cycle at this point. Current emulated 5818b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project hardware doesn't rely on this, so we 5828b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project provide/save the vector when the interrupt is 5838b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project first signalled. */ 5848b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->exception_index = env->pending_vector; 5858b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project do_interrupt(1); 5868b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project next_tb = 0; 5878b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 588427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner#elif defined(TARGET_S390X) && !defined(CONFIG_USER_ONLY) 589427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner if ((interrupt_request & CPU_INTERRUPT_HARD) && 590427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner (env->psw.mask & PSW_MASK_EXT)) { 591427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner do_interrupt(env); 592427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner next_tb = 0; 593427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner } 5948b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 5955285864985be9077e58e42235af6582dee72e841David 'Digit' Turner /* Don't use the cached interrupt_request value, 5968b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project do_interrupt may have updated the EXITTB flag. */ 5978b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (env->interrupt_request & CPU_INTERRUPT_EXITTB) { 5988b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->interrupt_request &= ~CPU_INTERRUPT_EXITTB; 5998b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* ensure that no TB jump will be modified as 6008b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project the program flow was changed */ 6018b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project next_tb = 0; 6028b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 6035d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner } 6045d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner if (unlikely(env->exit_request)) { 6055d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner env->exit_request = 0; 6065d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner env->exception_index = EXCP_INTERRUPT; 6075d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner cpu_loop_exit(); 6088b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 60924cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#if defined(DEBUG_DISAS) || defined(CONFIG_DEBUG_EXEC) 6105d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner if (qemu_loglevel_mask(CPU_LOG_TB_CPU)) { 6118b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* restore flags in standard format */ 6128b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#if defined(TARGET_I386) 6135d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner env->eflags = env->eflags | helper_cc_compute_all(CC_OP) | (DF & DF_MASK); 6145d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner log_cpu_state(env, X86_DUMP_CCOP); 6158b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->eflags &= ~(DF_MASK | CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C); 6168b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_M68K) 6178b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project cpu_m68k_flush_flags(env, env->cc_op); 6188b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->cc_op = CC_OP_FLAGS; 6198b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->sr = (env->sr & 0xffe0) 6208b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project | env->cc_dest | (env->cc_x << 4); 6215d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner log_cpu_state(env, 0); 6228b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#else 62324cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner log_cpu_state(env, 0); 6248b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 6258b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 62624cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#endif /* DEBUG_DISAS || CONFIG_DEBUG_EXEC */ 6278b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project spin_lock(&tb_lock); 6288b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project tb = tb_find_fast(); 6298b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* Note: we do it here to avoid a gcc bug on Mac OS X when 6308b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project doing it in tb_find_slow */ 6318b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (tb_invalidated_flag) { 6328b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* as some TB could have been invalidated because 6338b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project of memory exceptions while generating the code, we 6348b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project must recompute the hash index here */ 6358b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project next_tb = 0; 6368b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project tb_invalidated_flag = 0; 6378b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 63824cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#ifdef CONFIG_DEBUG_EXEC 6395d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner qemu_log_mask(CPU_LOG_EXEC, "Trace 0x%08lx [" TARGET_FMT_lx "] %s\n", 6405d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner (long)tb->tc_ptr, tb->pc, 6415d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner lookup_symbol(tb->pc)); 6428b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 6438b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* see if we can patch the calling TB. When the TB 6448b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project spans two pages, we cannot safely do a direct 6458b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project jump. */ 64624cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner if (next_tb != 0 && tb->page_addr[1] == -1) { 6478b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project tb_add_jump((TranslationBlock *)(next_tb & ~3), next_tb & 3, tb); 6488b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 6498b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project spin_unlock(&tb_lock); 6505d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner 6515d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner /* cpu_interrupt might be called while translating the 6525d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner TB, but before it is linked into a potentially 6535d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner infinite loop and becomes env->current_tb. Avoid 6545d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner starting execution if there is a pending interrupt. */ 65524cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner env->current_tb = tb; 65624cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner barrier(); 65724cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner if (likely(!env->exit_request)) { 6588b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project tc_ptr = tb->tc_ptr; 6598b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* execute the generated code */ 6602c538c86c15d597cc875dc926e4e39285c5625dfDavid 'Digit' Turner#if defined(__sparc__) && !defined(CONFIG_SOLARIS) 6618b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#undef env 6628b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env = cpu_single_env; 6638b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define env cpu_single_env 6648b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 6658b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project next_tb = tcg_qemu_tb_exec(tc_ptr); 6668b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if ((next_tb & 3) == 2) { 6678b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* Instruction counter expired. */ 6688b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int insns_left; 6698b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project tb = (TranslationBlock *)(long)(next_tb & ~3); 6708b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* Restore PC. */ 6715d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner cpu_pc_from_tb(env, tb); 6728b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project insns_left = env->icount_decr.u32; 6738b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (env->icount_extra && insns_left >= 0) { 6748b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* Refill decrementer and continue execution. */ 6758b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->icount_extra += insns_left; 6768b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (env->icount_extra > 0xffff) { 6778b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project insns_left = 0xffff; 6788b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } else { 6798b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project insns_left = env->icount_extra; 6808b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 6818b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->icount_extra -= insns_left; 6828b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->icount_decr.u16.low = insns_left; 6838b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } else { 6848b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (insns_left > 0) { 6858b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* Execute remaining instructions. */ 6868b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project cpu_exec_nocache(insns_left, tb); 6878b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 6888b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->exception_index = EXCP_INTERRUPT; 6898b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project next_tb = 0; 6908b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project cpu_loop_exit(); 6918b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 6928b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 6938b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 69424cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner env->current_tb = NULL; 695a381ef07088ce479610129e37bfef42538f397daJun Nakajima#ifdef CONFIG_HAX 696a381ef07088ce479610129e37bfef42538f397daJun Nakajima if (hax_enabled() && hax_stop_emulation(env)) 697a381ef07088ce479610129e37bfef42538f397daJun Nakajima cpu_loop_exit(); 698a381ef07088ce479610129e37bfef42538f397daJun Nakajima#endif 6998b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* reset soft MMU for next block (it can currently 7008b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project only be set by a memory fault) */ 7018b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } /* for(;;) */ 7028b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 7038b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } /* for(;;) */ 7048b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 7058b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 7068b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#if defined(TARGET_I386) 7078b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* restore flags in standard format */ 7085d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner env->eflags = env->eflags | helper_cc_compute_all(CC_OP) | (DF & DF_MASK); 7098b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_ARM) 7108b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* XXX: Save/restore host fpu exception state?. */ 711427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner#elif defined(TARGET_UNICORE32) 7128b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_SPARC) 7138b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_PPC) 714427603850ef4ad967c7d6bb23584a0a8de0d930dDavid 'Digit' Turner#elif defined(TARGET_LM32) 7158b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_M68K) 7168b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project cpu_m68k_flush_flags(env, env->cc_op); 7178b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->cc_op = CC_OP_FLAGS; 7188b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env->sr = (env->sr & 0xffe0) 7198b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project | env->cc_dest | (env->cc_x << 4); 7205d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#elif defined(TARGET_MICROBLAZE) 7218b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_MIPS) 7228b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_SH4) 7238b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_ALPHA) 7248b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(TARGET_CRIS) 72524cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#elif defined(TARGET_S390X) 7268b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* XXXXX */ 7278b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#else 7288b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#error unsupported target CPU 7298b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 7308b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 7318b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* restore global registers */ 73224cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner barrier(); 73324cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner env = (void *) saved_env_reg; 7348b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 7358b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* fail safe : never use cpu_single_env outside cpu_exec() */ 7368b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project cpu_single_env = NULL; 7378b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return ret; 7388b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 7398b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 7408b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* must only be called from the generated code as an exception can be 7418b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project generated */ 7428b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectvoid tb_invalidate_page_range(target_ulong start, target_ulong end) 7438b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 7448b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* XXX: cannot enable it yet because it yields to MMU exception 7458b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project where NIP != read address on PowerPC */ 7468b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#if 0 7478b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project target_ulong phys_addr; 7488b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project phys_addr = get_phys_addr_code(env, start); 7498b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project tb_invalidate_phys_page_range(phys_addr, phys_addr + end - start, 0); 7508b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 7518b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 7528b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 7538b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#if defined(TARGET_I386) && defined(CONFIG_USER_ONLY) 7548b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 7558b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectvoid cpu_x86_load_seg(CPUX86State *s, int seg_reg, int selector) 7568b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 7578b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project CPUX86State *saved_env; 7588b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 7598b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project saved_env = env; 7608b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env = s; 7618b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (!(env->cr[0] & CR0_PE_MASK) || (env->eflags & VM_MASK)) { 7628b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project selector &= 0xffff; 7638b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project cpu_x86_load_seg_cache(env, seg_reg, selector, 7648b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project (selector << 4), 0xffff, 0); 7658b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } else { 7668b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project helper_load_seg(seg_reg, selector); 7678b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 7688b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env = saved_env; 7698b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 7708b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 7718b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectvoid cpu_x86_fsave(CPUX86State *s, target_ulong ptr, int data32) 7728b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 7738b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project CPUX86State *saved_env; 7748b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 7758b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project saved_env = env; 7768b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env = s; 7778b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 7788b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project helper_fsave(ptr, data32); 7798b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 7808b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env = saved_env; 7818b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 7828b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 7838b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectvoid cpu_x86_frstor(CPUX86State *s, target_ulong ptr, int data32) 7848b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 7858b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project CPUX86State *saved_env; 7868b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 7878b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project saved_env = env; 7888b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env = s; 7898b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 7908b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project helper_frstor(ptr, data32); 7918b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 7928b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env = saved_env; 7938b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 7948b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 7958b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif /* TARGET_I386 */ 7968b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 7978b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#if !defined(CONFIG_SOFTMMU) 7988b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 7998b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#if defined(TARGET_I386) 80024cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#define EXCEPTION_ACTION raise_exception_err(env->exception_index, env->error_code) 80124cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#else 80224cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#define EXCEPTION_ACTION cpu_loop_exit() 80324cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#endif 8048b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 8058b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* 'pc' is the host PC at which the exception was raised. 'address' is 8068b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project the effective address of the memory exception. 'is_write' is 1 if a 8078b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project write caused the exception and otherwise 0'. 'old_set' is the 8088b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project signal set which should be restored */ 8098b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectstatic inline int handle_cpu_signal(unsigned long pc, unsigned long address, 8108b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int is_write, sigset_t *old_set, 8118b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project void *puc) 8128b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 8138b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project TranslationBlock *tb; 8148b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int ret; 8158b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 8168b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (cpu_single_env) 8178b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project env = cpu_single_env; /* XXX: find a correct solution for multithread */ 8188b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#if defined(DEBUG_SIGNAL) 8198b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project qemu_printf("qemu: SIGSEGV pc=0x%08lx address=%08lx w=%d oldset=0x%08lx\n", 8208b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project pc, address, is_write, *(unsigned long *)old_set); 8218b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 8228b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* XXX: locking issue */ 8238b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (is_write && page_unprotect(h2g(address), pc, puc)) { 8248b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return 1; 8258b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 8268b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 8278b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* see if it is an MMU fault */ 82824cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner ret = cpu_handle_mmu_fault(env, address, is_write, MMU_USER_IDX, 0); 8298b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (ret < 0) 8308b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return 0; /* not an MMU fault */ 8318b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (ret == 0) 8328b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return 1; /* the MMU fault was handled without causing real CPU fault */ 8338b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* now we have a real cpu fault */ 8348b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project tb = tb_find_pc(pc); 8358b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (tb) { 8368b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* the PC is inside the translated code. It means that we have 8378b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project a virtual CPU fault */ 838f645f7d6fd841e39524e5df8c1a7fd8347f92ac1David 'Digit' Turner cpu_restore_state(tb, env, pc); 8398b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 8408b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 8418b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* we restore the process signal mask as the sigreturn should 8428b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project do it (XXX: use sigsetjmp) */ 8438b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project sigprocmask(SIG_SETMASK, old_set, NULL); 84424cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner EXCEPTION_ACTION; 8458b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 8468b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* never comes here */ 8478b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return 1; 8488b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 8498b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 8508b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#if defined(__i386__) 8518b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 8528b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#if defined(__APPLE__) 8538b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# include <sys/ucontext.h> 8548b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 8558b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define EIP_sig(context) (*((unsigned long*)&(context)->uc_mcontext->ss.eip)) 8568b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define TRAP_sig(context) ((context)->uc_mcontext->es.trapno) 8578b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define ERROR_sig(context) ((context)->uc_mcontext->es.err) 8585d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner# define MASK_sig(context) ((context)->uc_sigmask) 85924cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#elif defined (__NetBSD__) 86024cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner# include <ucontext.h> 86124cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner 86224cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner# define EIP_sig(context) ((context)->uc_mcontext.__gregs[_REG_EIP]) 86324cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner# define TRAP_sig(context) ((context)->uc_mcontext.__gregs[_REG_TRAPNO]) 86424cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner# define ERROR_sig(context) ((context)->uc_mcontext.__gregs[_REG_ERR]) 86524cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner# define MASK_sig(context) ((context)->uc_sigmask) 86624cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#elif defined (__FreeBSD__) || defined(__DragonFly__) 86724cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner# include <ucontext.h> 86824cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner 86924cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner# define EIP_sig(context) (*((unsigned long*)&(context)->uc_mcontext.mc_eip)) 87024cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner# define TRAP_sig(context) ((context)->uc_mcontext.mc_trapno) 87124cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner# define ERROR_sig(context) ((context)->uc_mcontext.mc_err) 87224cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner# define MASK_sig(context) ((context)->uc_sigmask) 8735d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#elif defined(__OpenBSD__) 8745d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner# define EIP_sig(context) ((context)->sc_eip) 8755d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner# define TRAP_sig(context) ((context)->sc_trapno) 8765d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner# define ERROR_sig(context) ((context)->sc_err) 8775d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner# define MASK_sig(context) ((context)->sc_mask) 8788b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#else 8798b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define EIP_sig(context) ((context)->uc_mcontext.gregs[REG_EIP]) 8808b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define TRAP_sig(context) ((context)->uc_mcontext.gregs[REG_TRAPNO]) 8818b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define ERROR_sig(context) ((context)->uc_mcontext.gregs[REG_ERR]) 8825d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner# define MASK_sig(context) ((context)->uc_sigmask) 8838b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 8848b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 8858b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectint cpu_signal_handler(int host_signum, void *pinfo, 8868b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project void *puc) 8878b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 8888b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project siginfo_t *info = pinfo; 88924cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#if defined(__NetBSD__) || defined (__FreeBSD__) || defined(__DragonFly__) 89024cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner ucontext_t *uc = puc; 89124cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#elif defined(__OpenBSD__) 8925d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner struct sigcontext *uc = puc; 8935d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#else 8948b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project struct ucontext *uc = puc; 8955d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#endif 8968b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project unsigned long pc; 8978b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int trapno; 8988b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 8998b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#ifndef REG_EIP 9008b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* for glibc 2.1 */ 9018b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define REG_EIP EIP 9028b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define REG_ERR ERR 9038b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define REG_TRAPNO TRAPNO 9048b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 9058b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project pc = EIP_sig(uc); 9068b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project trapno = TRAP_sig(uc); 9078b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return handle_cpu_signal(pc, (unsigned long)info->si_addr, 9088b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project trapno == 0xe ? 9098b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project (ERROR_sig(uc) >> 1) & 1 : 0, 9105d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner &MASK_sig(uc), puc); 9118b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 9128b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 9138b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(__x86_64__) 9148b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 9155d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#ifdef __NetBSD__ 9165d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#define PC_sig(context) _UC_MACHINE_PC(context) 9175d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#define TRAP_sig(context) ((context)->uc_mcontext.__gregs[_REG_TRAPNO]) 9185d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#define ERROR_sig(context) ((context)->uc_mcontext.__gregs[_REG_ERR]) 9195d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#define MASK_sig(context) ((context)->uc_sigmask) 9205d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#elif defined(__OpenBSD__) 9215d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#define PC_sig(context) ((context)->sc_rip) 9225d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#define TRAP_sig(context) ((context)->sc_trapno) 9235d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#define ERROR_sig(context) ((context)->sc_err) 9245d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#define MASK_sig(context) ((context)->sc_mask) 92524cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#elif defined (__FreeBSD__) || defined(__DragonFly__) 92624cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#include <ucontext.h> 92724cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner 92824cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#define PC_sig(context) (*((unsigned long*)&(context)->uc_mcontext.mc_rip)) 92924cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#define TRAP_sig(context) ((context)->uc_mcontext.mc_trapno) 93024cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#define ERROR_sig(context) ((context)->uc_mcontext.mc_err) 93124cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#define MASK_sig(context) ((context)->uc_sigmask) 9325d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#else 9335d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#define PC_sig(context) ((context)->uc_mcontext.gregs[REG_RIP]) 9345d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#define TRAP_sig(context) ((context)->uc_mcontext.gregs[REG_TRAPNO]) 9355d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#define ERROR_sig(context) ((context)->uc_mcontext.gregs[REG_ERR]) 9365d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#define MASK_sig(context) ((context)->uc_sigmask) 9375d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#endif 9385d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner 9398b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectint cpu_signal_handler(int host_signum, void *pinfo, 9408b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project void *puc) 9418b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 9428b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project siginfo_t *info = pinfo; 9438b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project unsigned long pc; 94424cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#if defined(__NetBSD__) || defined (__FreeBSD__) || defined(__DragonFly__) 9455d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner ucontext_t *uc = puc; 9465d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#elif defined(__OpenBSD__) 9475d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner struct sigcontext *uc = puc; 9485d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#else 9495d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner struct ucontext *uc = puc; 9505d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#endif 9518b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 9525d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner pc = PC_sig(uc); 9538b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return handle_cpu_signal(pc, (unsigned long)info->si_addr, 9545d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner TRAP_sig(uc) == 0xe ? 9555d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner (ERROR_sig(uc) >> 1) & 1 : 0, 9565d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner &MASK_sig(uc), puc); 9578b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 9588b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 9595d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#elif defined(_ARCH_PPC) 9608b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 9618b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/*********************************************************************** 9628b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * signal context platform-specific definitions 9638b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * From Wine 9648b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project */ 9658b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#ifdef linux 9668b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* All Registers access - only for local access */ 9678b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define REG_sig(reg_name, context) ((context)->uc_mcontext.regs->reg_name) 9688b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* Gpr Registers access */ 9698b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define GPR_sig(reg_num, context) REG_sig(gpr[reg_num], context) 9708b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define IAR_sig(context) REG_sig(nip, context) /* Program counter */ 9718b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define MSR_sig(context) REG_sig(msr, context) /* Machine State Register (Supervisor) */ 9728b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define CTR_sig(context) REG_sig(ctr, context) /* Count register */ 9738b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define XER_sig(context) REG_sig(xer, context) /* User's integer exception register */ 9748b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define LR_sig(context) REG_sig(link, context) /* Link register */ 9758b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define CR_sig(context) REG_sig(ccr, context) /* Condition register */ 9768b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* Float Registers access */ 9778b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define FLOAT_sig(reg_num, context) (((double*)((char*)((context)->uc_mcontext.regs+48*4)))[reg_num]) 9788b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define FPSCR_sig(context) (*(int*)((char*)((context)->uc_mcontext.regs+(48+32*2)*4))) 9798b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* Exception Registers access */ 9808b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define DAR_sig(context) REG_sig(dar, context) 9818b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define DSISR_sig(context) REG_sig(dsisr, context) 9828b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define TRAP_sig(context) REG_sig(trap, context) 9838b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif /* linux */ 9848b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 98524cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) 98624cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#include <ucontext.h> 98724cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner# define IAR_sig(context) ((context)->uc_mcontext.mc_srr0) 98824cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner# define MSR_sig(context) ((context)->uc_mcontext.mc_srr1) 98924cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner# define CTR_sig(context) ((context)->uc_mcontext.mc_ctr) 99024cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner# define XER_sig(context) ((context)->uc_mcontext.mc_xer) 99124cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner# define LR_sig(context) ((context)->uc_mcontext.mc_lr) 99224cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner# define CR_sig(context) ((context)->uc_mcontext.mc_cr) 99324cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner/* Exception Registers access */ 99424cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner# define DAR_sig(context) ((context)->uc_mcontext.mc_dar) 99524cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner# define DSISR_sig(context) ((context)->uc_mcontext.mc_dsisr) 99624cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner# define TRAP_sig(context) ((context)->uc_mcontext.mc_exc) 99724cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#endif /* __FreeBSD__|| __FreeBSD_kernel__ */ 99824cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner 9998b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#ifdef __APPLE__ 10008b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# include <sys/ucontext.h> 10018b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projecttypedef struct ucontext SIGCONTEXT; 10028b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* All Registers access - only for local access */ 10038b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define REG_sig(reg_name, context) ((context)->uc_mcontext->ss.reg_name) 10048b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define FLOATREG_sig(reg_name, context) ((context)->uc_mcontext->fs.reg_name) 10058b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define EXCEPREG_sig(reg_name, context) ((context)->uc_mcontext->es.reg_name) 10068b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define VECREG_sig(reg_name, context) ((context)->uc_mcontext->vs.reg_name) 10078b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* Gpr Registers access */ 10088b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define GPR_sig(reg_num, context) REG_sig(r##reg_num, context) 10098b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define IAR_sig(context) REG_sig(srr0, context) /* Program counter */ 10108b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define MSR_sig(context) REG_sig(srr1, context) /* Machine State Register (Supervisor) */ 10118b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define CTR_sig(context) REG_sig(ctr, context) 10128b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define XER_sig(context) REG_sig(xer, context) /* Link register */ 10138b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define LR_sig(context) REG_sig(lr, context) /* User's integer exception register */ 10148b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define CR_sig(context) REG_sig(cr, context) /* Condition register */ 10158b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* Float Registers access */ 10168b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define FLOAT_sig(reg_num, context) FLOATREG_sig(fpregs[reg_num], context) 10178b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define FPSCR_sig(context) ((double)FLOATREG_sig(fpscr, context)) 10188b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* Exception Registers access */ 10198b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define DAR_sig(context) EXCEPREG_sig(dar, context) /* Fault registers for coredump */ 10208b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define DSISR_sig(context) EXCEPREG_sig(dsisr, context) 10218b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define TRAP_sig(context) EXCEPREG_sig(exception, context) /* number of powerpc exception taken */ 10228b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif /* __APPLE__ */ 10238b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 10248b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectint cpu_signal_handler(int host_signum, void *pinfo, 10258b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project void *puc) 10268b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 10278b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project siginfo_t *info = pinfo; 102824cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) 102924cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner ucontext_t *uc = puc; 103024cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#else 10318b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project struct ucontext *uc = puc; 103224cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner#endif 10338b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project unsigned long pc; 10348b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int is_write; 10358b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 10368b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project pc = IAR_sig(uc); 10378b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project is_write = 0; 10388b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#if 0 10398b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* ppc 4xx case */ 10408b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (DSISR_sig(uc) & 0x00800000) 10418b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project is_write = 1; 10428b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#else 10438b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (TRAP_sig(uc) != 0x400 && (DSISR_sig(uc) & 0x02000000)) 10448b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project is_write = 1; 10458b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 10468b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return handle_cpu_signal(pc, (unsigned long)info->si_addr, 10478b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project is_write, &uc->uc_sigmask, puc); 10488b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 10498b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 10508b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(__alpha__) 10518b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 10528b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectint cpu_signal_handler(int host_signum, void *pinfo, 10538b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project void *puc) 10548b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 10558b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project siginfo_t *info = pinfo; 10568b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project struct ucontext *uc = puc; 10578b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint32_t *pc = uc->uc_mcontext.sc_pc; 10588b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint32_t insn = *pc; 10598b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int is_write = 0; 10608b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 10618b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* XXX: need kernel patch to get write flag faster */ 10628b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project switch (insn >> 26) { 10638b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case 0x0d: // stw 10648b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case 0x0e: // stb 10658b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case 0x0f: // stq_u 10668b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case 0x24: // stf 10678b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case 0x25: // stg 10688b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case 0x26: // sts 10698b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case 0x27: // stt 10708b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case 0x2c: // stl 10718b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case 0x2d: // stq 10728b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case 0x2e: // stl_c 10738b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case 0x2f: // stq_c 10748b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project is_write = 1; 10758b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 10768b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 10778b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return handle_cpu_signal(pc, (unsigned long)info->si_addr, 10788b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project is_write, &uc->uc_sigmask, puc); 10798b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 10808b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(__sparc__) 10818b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 10828b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectint cpu_signal_handler(int host_signum, void *pinfo, 10838b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project void *puc) 10848b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 10858b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project siginfo_t *info = pinfo; 10868b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int is_write; 10878b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint32_t insn; 10882c538c86c15d597cc875dc926e4e39285c5625dfDavid 'Digit' Turner#if !defined(__arch64__) || defined(CONFIG_SOLARIS) 10898b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint32_t *regs = (uint32_t *)(info + 1); 10908b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project void *sigmask = (regs + 20); 10918b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* XXX: is there a standard glibc define ? */ 10928b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project unsigned long pc = regs[1]; 10938b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#else 10945d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#ifdef __linux__ 10958b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project struct sigcontext *sc = puc; 10968b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project unsigned long pc = sc->sigc_regs.tpc; 10978b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project void *sigmask = (void *)sc->sigc_mask; 10985d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#elif defined(__OpenBSD__) 10995d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner struct sigcontext *uc = puc; 11005d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner unsigned long pc = uc->sc_pc; 11015d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner void *sigmask = (void *)(long)uc->sc_mask; 11025d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#endif 11038b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 11048b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 11058b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* XXX: need kernel patch to get write flag faster */ 11068b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project is_write = 0; 11078b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project insn = *(uint32_t *)pc; 11088b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if ((insn >> 30) == 3) { 11098b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project switch((insn >> 19) & 0x3f) { 11108b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case 0x05: // stb 11115d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner case 0x15: // stba 11128b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case 0x06: // sth 11135d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner case 0x16: // stha 11148b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case 0x04: // st 11155d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner case 0x14: // sta 11168b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case 0x07: // std 11175d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner case 0x17: // stda 11185d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner case 0x0e: // stx 11195d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner case 0x1e: // stxa 11208b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case 0x24: // stf 11215d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner case 0x34: // stfa 11228b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case 0x27: // stdf 11235d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner case 0x37: // stdfa 11245d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner case 0x26: // stqf 11255d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner case 0x36: // stqfa 11268b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case 0x25: // stfsr 11275d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner case 0x3c: // casa 11285d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner case 0x3e: // casxa 11298b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project is_write = 1; 11308b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project break; 11318b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 11328b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 11338b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return handle_cpu_signal(pc, (unsigned long)info->si_addr, 11348b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project is_write, sigmask, NULL); 11358b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 11368b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 11378b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(__arm__) 11388b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 11398b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectint cpu_signal_handler(int host_signum, void *pinfo, 11408b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project void *puc) 11418b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 11428b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project siginfo_t *info = pinfo; 11438b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project struct ucontext *uc = puc; 11448b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project unsigned long pc; 11458b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int is_write; 11468b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 11478b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#if (__GLIBC__ < 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ <= 3)) 11488b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project pc = uc->uc_mcontext.gregs[R15]; 11498b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#else 11508b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project pc = uc->uc_mcontext.arm_pc; 11518b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 11528b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* XXX: compute is_write */ 11538b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project is_write = 0; 11548b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return handle_cpu_signal(pc, (unsigned long)info->si_addr, 11558b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project is_write, 11568b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project &uc->uc_sigmask, puc); 11578b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 11588b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 11598b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(__mc68000) 11608b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 11618b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectint cpu_signal_handler(int host_signum, void *pinfo, 11628b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project void *puc) 11638b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 11648b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project siginfo_t *info = pinfo; 11658b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project struct ucontext *uc = puc; 11668b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project unsigned long pc; 11678b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int is_write; 11688b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 11698b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project pc = uc->uc_mcontext.gregs[16]; 11708b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* XXX: compute is_write */ 11718b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project is_write = 0; 11728b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return handle_cpu_signal(pc, (unsigned long)info->si_addr, 11738b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project is_write, 11748b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project &uc->uc_sigmask, puc); 11758b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 11768b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 11778b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(__ia64) 11788b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 11798b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#ifndef __ISR_VALID 11808b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* This ought to be in <bits/siginfo.h>... */ 11818b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project# define __ISR_VALID 1 11828b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 11838b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 11848b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectint cpu_signal_handler(int host_signum, void *pinfo, void *puc) 11858b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 11868b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project siginfo_t *info = pinfo; 11878b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project struct ucontext *uc = puc; 11888b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project unsigned long ip; 11898b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int is_write = 0; 11908b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 11918b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project ip = uc->uc_mcontext.sc_ip; 11928b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project switch (host_signum) { 11938b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case SIGILL: 11948b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case SIGFPE: 11958b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case SIGSEGV: 11968b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case SIGBUS: 11978b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case SIGTRAP: 11988b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (info->si_code && (info->si_segvflags & __ISR_VALID)) 11998b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* ISR.W (write-access) is bit 33: */ 12008b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project is_write = (info->si_isr >> 33) & 1; 12018b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project break; 12028b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 12038b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project default: 12048b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project break; 12058b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 12068b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return handle_cpu_signal(ip, (unsigned long)info->si_addr, 12078b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project is_write, 120824cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner (sigset_t *)&uc->uc_sigmask, puc); 12098b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 12108b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 12118b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(__s390__) 12128b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 12138b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectint cpu_signal_handler(int host_signum, void *pinfo, 12148b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project void *puc) 12158b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 12168b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project siginfo_t *info = pinfo; 12178b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project struct ucontext *uc = puc; 12188b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project unsigned long pc; 121924cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner uint16_t *pinsn; 122024cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner int is_write = 0; 12218b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 12228b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project pc = uc->uc_mcontext.psw.addr; 122324cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner 122424cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner /* ??? On linux, the non-rt signal handler has 4 (!) arguments instead 122524cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner of the normal 2 arguments. The 3rd argument contains the "int_code" 122624cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner from the hardware which does in fact contain the is_write value. 122724cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner The rt signal handler, as far as I can tell, does not give this value 122824cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner at all. Not that we could get to it from here even if it were. */ 122924cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner /* ??? This is not even close to complete, since it ignores all 123024cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner of the read-modify-write instructions. */ 123124cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner pinsn = (uint16_t *)pc; 123224cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner switch (pinsn[0] >> 8) { 123324cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0x50: /* ST */ 123424cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0x42: /* STC */ 123524cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0x40: /* STH */ 123624cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner is_write = 1; 123724cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner break; 123824cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0xc4: /* RIL format insns */ 123924cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner switch (pinsn[0] & 0xf) { 124024cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0xf: /* STRL */ 124124cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0xb: /* STGRL */ 124224cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0x7: /* STHRL */ 124324cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner is_write = 1; 124424cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner } 124524cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner break; 124624cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0xe3: /* RXY format insns */ 124724cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner switch (pinsn[2] & 0xff) { 124824cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0x50: /* STY */ 124924cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0x24: /* STG */ 125024cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0x72: /* STCY */ 125124cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0x70: /* STHY */ 125224cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0x8e: /* STPQ */ 125324cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0x3f: /* STRVH */ 125424cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0x3e: /* STRV */ 125524cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0x2f: /* STRVG */ 125624cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner is_write = 1; 125724cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner } 125824cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner break; 125924cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner } 12608b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return handle_cpu_signal(pc, (unsigned long)info->si_addr, 12618b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project is_write, &uc->uc_sigmask, puc); 12628b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 12638b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 12648b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(__mips__) 12658b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 12668b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectint cpu_signal_handler(int host_signum, void *pinfo, 12678b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project void *puc) 12688b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 12698b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project siginfo_t *info = pinfo; 12708b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project struct ucontext *uc = puc; 12718b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project greg_t pc = uc->uc_mcontext.pc; 12728b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int is_write; 12738b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 12748b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project /* XXX: compute is_write */ 12758b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project is_write = 0; 12768b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return handle_cpu_signal(pc, (unsigned long)info->si_addr, 12778b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project is_write, &uc->uc_sigmask, puc); 12788b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 12798b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 12808b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#elif defined(__hppa__) 12818b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 12828b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectint cpu_signal_handler(int host_signum, void *pinfo, 12838b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project void *puc) 12848b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 12858b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project struct siginfo *info = pinfo; 12868b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project struct ucontext *uc = puc; 128724cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner unsigned long pc = uc->uc_mcontext.sc_iaoq[0]; 128824cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner uint32_t insn = *(uint32_t *)pc; 128924cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner int is_write = 0; 129024cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner 129124cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner /* XXX: need kernel patch to get write flag faster. */ 129224cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner switch (insn >> 26) { 129324cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0x1a: /* STW */ 129424cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0x19: /* STH */ 129524cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0x18: /* STB */ 129624cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0x1b: /* STWM */ 129724cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner is_write = 1; 129824cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner break; 129924cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner 130024cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0x09: /* CSTWX, FSTWX, FSTWS */ 130124cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0x0b: /* CSTDX, FSTDX, FSTDS */ 130224cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner /* Distinguish from coprocessor load ... */ 130324cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner is_write = (insn >> 9) & 1; 130424cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner break; 130524cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner 130624cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0x03: 130724cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner switch ((insn >> 6) & 15) { 130824cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0xa: /* STWS */ 130924cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0x9: /* STHS */ 131024cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0x8: /* STBS */ 131124cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0xe: /* STWAS */ 131224cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner case 0xc: /* STBYS */ 131324cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner is_write = 1; 131424cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner } 131524cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner break; 131624cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner } 13178b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1318f645f7d6fd841e39524e5df8c1a7fd8347f92ac1David 'Digit' Turner return handle_cpu_signal(pc, (unsigned long)info->si_addr, 131924cd25ab654ab829ba8e9c0c634db50ed28f325aDavid Turner is_write, &uc->uc_sigmask, puc); 13208b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 13218b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 13228b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#else 13238b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 13248b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#error host CPU specific signal handler needed 13258b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 13268b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 13278b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 13288b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif /* !defined(CONFIG_SOFTMMU) */ 1329