bool tcg_cpu_exec(void) { int ret = 0; if (next_cpu == NULL) next_cpu = first_cpu; for (; next_cpu != NULL; next_cpu = next_cpu->next_cpu) { CPUState *env = cur_cpu = next_cpu; qemu_clock_enable(vm_clock, (cur_cpu->singlestep_enabled & SSTEP_NOTIMER) == 0); if (qemu_alarm_pending()) break; if (cpu_can_run(env)) ret = qemu_cpu_exec(env); else if (env->stop) break; if (ret == EXCP_DEBUG) { gdb_set_stop_cpu(env); debug_requested = EXCP_DEBUG; break; } } return tcg_has_work(); }
bool cpu_exec_all (void) { static int i = 0; if (next_cpu == NULL) { next_cpu = first_cpu; i = 0; } for (; next_cpu != NULL && !exit_request; next_cpu = next_cpu->next_cpu, i++) { CPUState *env = next_cpu; rr_run = env->kvm_run; cpu_number = i; qemu_clock_enable(vm_clock, (env->singlestep_enabled & SSTEP_NOTIMER) == 0); if (qemu_alarm_pending()) break; if (cpu_can_run(env)) { if (qemu_cpu_exec(env) == EXCP_DEBUG) { break; } } else if (env->stop) { break; } } exit_request = 0; return any_cpu_has_work(); }
bool cpu_exec_all(void) { int r; /* Account partial waits to the vm_clock. */ qemu_clock_warp(vm_clock); if (next_cpu == NULL) { next_cpu = first_cpu; } for (; next_cpu != NULL && !exit_request; next_cpu = next_cpu->next_cpu) { CPUState *env = next_cpu; qemu_clock_enable(vm_clock, (env->singlestep_enabled & SSTEP_NOTIMER) == 0); #ifndef CONFIG_IOTHREAD if (qemu_alarm_pending()) { break; } #endif if (cpu_can_run(env)) { if (kvm_enabled()) { r = kvm_cpu_exec(env); qemu_kvm_eat_signals(env); } else { r = tcg_cpu_exec(env); } if (r == EXCP_TRIPLE) { cpu_dump_state(env, stderr, fprintf, 0); fprintf(stderr, "Triple fault. Halting for inspection via" " QEMU monitor.\n"); if (gdbserver_running()) r = EXCP_DEBUG; else { vm_stop(0); break; } } if (r == EXCP_DEBUG) { cpu_handle_guest_debug(env); break; } } else if (env->stop || env->stopped) { break; } } exit_request = 0; return !all_cpu_threads_idle(); }
bool cpu_exec_all(void) { int r; /* Account partial waits to the vm_clock. */ qemu_clock_warp(vm_clock); if (next_cpu == NULL) { next_cpu = first_cpu; } for (; next_cpu != NULL && !exit_request; next_cpu = next_cpu->next_cpu) { CPUState *env = next_cpu; qemu_clock_enable(vm_clock, (env->singlestep_enabled & SSTEP_NOTIMER) == 0); #ifndef CONFIG_IOTHREAD if (qemu_alarm_pending()) { break; } #endif if (cpu_can_run(env)) { if (kvm_enabled()) { r = kvm_cpu_exec(env); qemu_kvm_eat_signals(env); } else { r = tcg_cpu_exec(env); } if (r == EXCP_DEBUG) { cpu_handle_guest_debug(env); break; } } else if (env->stop || env->stopped) { break; } } if (tlm_sync) { tlm_sync(tlm_opaque, qemu_get_clock_ns(vm_clock)); } exit_request = 0; return !all_cpu_threads_idle(); }
bool cpu_exec_all(void) { if (next_cpu == NULL) next_cpu = first_cpu; for (; next_cpu != NULL && !exit_request; next_cpu = next_cpu->next_cpu) { CPUState *env = next_cpu; qemu_clock_enable(vm_clock, (env->singlestep_enabled & SSTEP_NOTIMER) == 0); if (qemu_alarm_pending()) break; if (cpu_can_run(env)) { if (qemu_cpu_exec(env) == EXCP_DEBUG) { break; } } else if (env->stop) { #ifdef MARSS_QEMU continue; /* Let other CPUS execute */ #else break; #endif } #ifdef MARSS_QEMU if (in_simulation) /* No need to run for other cpus */ break; #endif } #ifdef MARSS_QEMU if (!any_cpu_has_work()) { /* All CPUs are paused, call ptl_simpoint reached * to check if we need to switch to simulation or not */ ptl_simpoint_reached(0); } #endif exit_request = 0; return any_cpu_has_work(); }