static void do_vm_stop(RunState state)
{
if (runstate_is_running()) {
cpu_disable_ticks();
pause_all_vcpus();
runstate_set(state);
vm_state_notify(0, state);
qemu_aio_flush();
bdrv_flush_all();
monitor_protocol_event(QEVENT_STOP, NULL);
}
}
static void do_vm_stop(int reason)
{
if (vm_running) {
cpu_disable_ticks();
vm_running = 0;
pause_all_vcpus();
vm_state_notify(0, reason);
qemu_aio_flush();
bdrv_flush_all();
monitor_protocol_event(QEVENT_STOP, NULL);
}
}
void tracing_insn_begin(DECAF_Callback_Params* params) {
CPUState* env = NULL;
#if 0 // AWH
if (params != NULL) {
env = params->ib.env;
}
#else
if (!params) return;
env = params->ib.env;
#endif // AWH
if (DECAF_is_in_kernel(env) && should_trace_all_kernel)
goto TRACE_KERNEL;
/* If tracing start condition not satisified, or not tracing return */
if ((!tracing_start_condition) || (tracepid == 0))
return;
/* If not tracing kernel and kernel instruction , return */
if (DECAF_is_in_kernel(env) && !tracing_kernel())
return;
if(DECAF_getPGD(env) != tracecr3 && (!DECAF_is_in_kernel(env)))
return;
TRACE_KERNEL:
cpu_disable_ticks();
/* Get thread id */
current_tid = VMI_get_current_tid_c(env);
/* Clear flags before processing instruction */
// Flag to be set if the instruction is written
insn_already_written = 0;
// Flag to be set if instruction encounters a page fault
// NOTE: currently not being used. Tracing uses it to avoid logging twice
// these instructions, but was missing some
has_page_fault = 0;
// Flag to be set if instruction accesses user memory
access_user_mem = 0;
/* Disassemble the instruction */
insn_tainted = 0;
if (skip_decode_address == 0) {
decode_address(/* AWH cpu_single_*/ env->eip, &eh);
}
cpu_enable_ticks();
}
static int do_vm_stop(RunState state)
{
int ret = 0;
if (runstate_is_running()) {
cpu_disable_ticks();
pause_all_vcpus();
runstate_set(state);
vm_state_notify(0, state);
monitor_protocol_event(QEVENT_STOP, NULL);
}
bdrv_drain_all();
ret = bdrv_flush_all();
return ret;
}