1 /* 2 * ARM execution defines 3 * 4 * Copyright (c) 2003 Fabrice Bellard 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with this library; if not, see <http://www.gnu.org/licenses/>. 18 */ 19 #include "config.h" 20 #include "dyngen-exec.h" 21 22 GLOBAL_REGISTER_VARIABLE_DECL struct CPUARMState *env asm(AREG0); 23 24 #include "cpu.h" 25 #include "exec-all.h" 26 27 static inline void env_to_regs(void) 28 { 29 } 30 31 static inline void regs_to_env(void) 32 { 33 } 34 35 static inline int cpu_has_work(CPUState *env) 36 { 37 return (env->interrupt_request & 38 (CPU_INTERRUPT_FIQ | CPU_INTERRUPT_HARD | CPU_INTERRUPT_EXITTB)); 39 } 40 41 static inline int cpu_halted(CPUState *env) { 42 if (!env->halted) 43 return 0; 44 /* An interrupt wakes the CPU even if the I and F CPSR bits are 45 set. We use EXITTB to silently wake CPU without causing an 46 actual interrupt. */ 47 if (cpu_has_work(env)) { 48 env->halted = 0; 49 return 0; 50 } 51 return EXCP_HALTED; 52 } 53 54 #if !defined(CONFIG_USER_ONLY) 55 #include "softmmu_exec.h" 56 #endif 57 58 void raise_exception(int); 59 static inline void cpu_pc_from_tb(CPUState *env, TranslationBlock *tb) 60 { 61 env->regs[15] = tb->pc; 62 } 63 64
