static void
cortex_a9_step_once (conf_object_t* opaque)
{
//ARMul_DoInstr(state);
cortex_a9_core_t* core = (cortex_a9_core_t*)opaque->obj;
ARMul_State *state = core->state;
if(state->space.conf_obj == NULL){
state->space.conf_obj = core->space->conf_obj;
state->space.read = core->space->read;
state->space.write = core->space->write;
}
state->step++;
state->cycle++;
state->EndCondition = 0;
state->stop_simulator = 0;
state->NextInstr = RESUME; /* treat as PC change */
state->last_pc = state->Reg[15];
//core->space->read(core->space->conf_obj, state->Reg[15], state->last_instr, 4);
//state->Reg[15] = ARMul_DoProg(state);
state->Reg[15] = ARMul_DoInstr(state);
//core->space->read(core->space->conf_obj, state->Reg[15], state->CurrInstr, 4);
state->Cpsr = (state->Cpsr & 0x0fffffdf) | \
(state->NFlag << 31) | \
(state->ZFlag << 30) | \
(state->CFlag << 29) | \
(state->VFlag << 28) | \
(state->TFlag << 5);
FLUSHPIPE;
}
/// Execture next instruction
void ARM_Interpreter::ExecuteInstruction() {
m_state->step++;
m_state->cycle++;
m_state->EndCondition = 0;
m_state->stop_simulator = 0;
m_state->NextInstr = RESUME;
m_state->last_pc = m_state->Reg[15];
m_state->Reg[15] = ARMul_DoInstr(m_state);
m_state->Cpsr = ((m_state->Cpsr & 0x0fffffdf) | (m_state->NFlag << 31) | (m_state->ZFlag << 30) |
(m_state->CFlag << 29) | (m_state->VFlag << 28) | (m_state->TFlag << 5));
m_state->NextInstr |= PRIMEPIPE; // Flush pipe
}
void
sim_resume (SIM_DESC sd ATTRIBUTE_UNUSED,
int step,
int siggnal ATTRIBUTE_UNUSED)
{
state->EndCondition = 0;
stop_simulator = 0;
if (step)
{
state->Reg[15] = ARMul_DoInstr (state);
if (state->EndCondition == 0)
state->EndCondition = RDIError_BreakpointReached;
}
else
{
state->NextInstr = RESUME; /* treat as PC change */
state->Reg[15] = ARMul_DoProg (state);
}
FLUSHPIPE;
}
void
sim_resume (int step)
{
/* workaround here: we have different run mode on arm */
if(!strcmp(skyeye_config.arch->arch_name, "arm")){
state->EndCondition = 0;
stop_simulator = 0;
if (step) {
state->Reg[15] = ARMul_DoInstr (state);
if (state->EndCondition == 0) {
//chy 20050729 ????
printf ("error in sim_resume for state->EndCondition");
skyeye_exit (-1);
}
}
else {
state->NextInstr = RESUME; /* treat as PC change */
state->Reg[15] = ARMul_DoProg (state);
}
FLUSHPIPE;
}
/* other target simulator step run */
else {
do {
/* if we are in remote debugmode we will check ctrl+c and breakpoint */
if(remote_debugmode){
int i;
WORD addr;
/* to detect if Ctrl+c is pressed.. */
if(remote_interrupt())
return;
addr = arch_instance->get_pc();
for (i = 0;i < skyeye_ice.num_bps;i++){
if(skyeye_ice.bps[i] == addr)
return;
} /* for */
if (skyeye_ice.tps_status==TRACE_STARTED)
{
for (i=0;i<skyeye_ice.num_tps;i++)
{
if (((skyeye_ice.tps[i].tp_address==addr)&& (skyeye_ice.tps[i].status==TRACEPOINT_ENABLED))||(skyeye_ice.tps[i].status==TRACEPOINT_STEPPING))
{
handle_tracepoint(i);
}
}
}
} /* if(remote_debugmode) */
if (skyeye_config.log.logon >= 1) {
WORD pc = arch_instance->get_pc();
if (pc >= skyeye_config.log.start &&
pc <= skyeye_config.log.end) {
#if !defined(__MINGW32__)
char * func_name = get_sym(pc);
if(func_name)
fprintf (skyeye_logfd,"\n in %s\n", func_name);
#endif
/*
if (skyeye_config.log.logon >= 2)
fprintf (skyeye_logfd,
"pc=0x%x", pc);
SKYEYE_OUTREGS (skyeye_logfd);
if (skyeye_config.log.logon >= 3)
SKYEYE_OUTMOREREGS
(skyeye_logfd);
*/
}
}/* if (skyeye_config.log.logon >= 1) */
arch_instance->step_once ();
}while(!step);
}
}