/* * emulator main execution loop * * Copyright (c) 2003-2005 Fabrice Bellard * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, see . */ #include "qemu/osdep.h" #include "cpu.h" #include "sysemu/cpus.h" #include "sysemu/tcg.h" #include "exec/exec-all.h" /* exit the current TB, but without causing any exception to be raised */ void cpu_loop_exit_noexc(CPUState *cpu) { cpu->exception_index = -1; cpu_loop_exit(cpu); } void cpu_reloading_memory_map(void) { } void cpu_loop_exit(CPUState *cpu) { /* Unlock JIT write protect if applicable. */ tb_exec_unlock(cpu->uc->tcg_ctx); /* Undo the setting in cpu_tb_exec. */ cpu->can_do_io = 1; siglongjmp(cpu->jmp_env, 1); } void cpu_loop_exit_restore(CPUState *cpu, uintptr_t pc) { if (pc) { cpu_restore_state(cpu, pc, true); } cpu_loop_exit(cpu); } void cpu_loop_exit_atomic(CPUState *cpu, uintptr_t pc) { cpu->exception_index = EXCP_ATOMIC; cpu_loop_exit_restore(cpu, pc); }