void
ARMul_LDC (ARMul_State * state, ARMword instr, ARMword address)
{
unsigned cpab;
ARMword data;
UNDEF_LSCPCBaseWb;
if (! CP_ACCESS_ALLOWED (state, CPNum))
{
ARMul_UndefInstr (state, instr);
return;
}
if (ADDREXCEPT (address))
INTERNALABORT (address);
cpab = (state->LDC[CPNum]) (state, ARMul_FIRST, instr, 0);
while (cpab == ARMul_BUSY)
{
ARMul_Icycles (state, 1, 0);
if (IntPending (state))
{
cpab = (state->LDC[CPNum]) (state, ARMul_INTERRUPT, instr, 0);
return;
}
else
cpab = (state->LDC[CPNum]) (state, ARMul_BUSY, instr, 0);
}
if (cpab == ARMul_CANT)
{
CPTAKEABORT;
return;
}
cpab = (state->LDC[CPNum]) (state, ARMul_TRANSFER, instr, 0);
data = ARMul_LoadWordN (state, address);
BUSUSEDINCPCN;
if (BIT (21))
LSBase = state->Base;
cpab = (state->LDC[CPNum]) (state, ARMul_DATA, instr, data);
while (cpab == ARMul_INC)
{
address += 4;
data = ARMul_LoadWordN (state, address);
cpab = (state->LDC[CPNum]) (state, ARMul_DATA, instr, data);
}
if (state->abortSig || state->Aborted)
TAKEABORT;
}
void
ARMul_LDC (ARMul_State * state, ARMword instr, ARMword address)
{
unsigned cpab;
ARMword data;
UNDEF_LSCPCBaseWb;
//printf("SKYEYE ARMul_LDC, CPnum is %x, instr %x, addr %x\n",CPNum, instr, address);
/*chy 2004-05-23 should update this function in the future,should concern dataabort*/
// chy 2004-05-25 , fix it now,so needn't printf
// printf("SKYEYE ARMul_LDC, should update this function!!!!!\n");
//exit(-1);
//if (!CP_ACCESS_ALLOWED (state, CPNum)) {
if (!state->LDC[CPNum]) {
/*
printf
("SKYEYE ARMul_LDC,NOT ALLOW, underinstr, CPnum is %x, instr %x, addr %x\n",
CPNum, instr, address);
*/
ARMul_UndefInstr (state, instr);
return;
}
/*if (ADDREXCEPT (address))
INTERNALABORT (address);*/
cpab = (state->LDC[CPNum]) (state, ARMul_FIRST, instr, 0);
while (cpab == ARMul_BUSY) {
ARMul_Icycles (state, 1, 0);
if (IntPending (state)) {
cpab = (state->LDC[CPNum]) (state, ARMul_INTERRUPT,
instr, 0);
return;
} else
cpab = (state->LDC[CPNum]) (state, ARMul_BUSY, instr,
0);
}
if (cpab == ARMul_CANT) {
/*
printf
("SKYEYE ARMul_LDC,NOT CAN, underinstr, CPnum is %x, instr %x, addr %x\n",
CPNum, instr, address);
*/
CPTAKEABORT;
return;
}
cpab = (state->LDC[CPNum]) (state, ARMul_TRANSFER, instr, 0);
data = ARMul_LoadWordN (state, address);
//chy 2004-05-25
if (state->abortSig || state->Aborted)
goto L_ldc_takeabort;
BUSUSEDINCPCN;
//chy 2004-05-25
/*
if (BIT (21))
LSBase = state->Base;
*/
cpab = (state->LDC[CPNum]) (state, ARMul_DATA, instr, data);
while (cpab == ARMul_INC) {
address += 4;
data = ARMul_LoadWordN (state, address);
//chy 2004-05-25
if (state->abortSig || state->Aborted)
goto L_ldc_takeabort;
cpab = (state->LDC[CPNum]) (state, ARMul_DATA, instr, data);
}
//chy 2004-05-25
L_ldc_takeabort:
if (BIT (21)) {
if (!
((state->abortSig || state->Aborted)
&& state->lateabtSig == LOW))
LSBase = state->Base;
}
if (state->abortSig || state->Aborted)
TAKEABORT;
}