URL
https://opencores.org/ocsvn/openrisc_2011-10-31/openrisc_2011-10-31/trunk
Subversion Repositories openrisc_2011-10-31
Compare Revisions
- This comparison shows the changes necessary to convert path
/openrisc/trunk/or1ksim/cpu/or32
- from Rev 552 to Rev 556
- ↔ Reverse comparison
Rev 552 → Rev 556
/insnset.c
711,12 → 711,17
uint16_t regno = PARAM1 | PARAM2; |
uorreg_t value = mfspr(regno); |
|
if (cpu_state.sprs[SPR_SR] & SPR_SR_SM) |
if ((cpu_state.sprs[SPR_SR] & SPR_SR_SM) || |
// TODO: Check if this SPR should actually be allowed to be read with |
// SR's SM==0 and SUMRA==1 |
(!(cpu_state.sprs[SPR_SR] & SPR_SR_SM) && |
(cpu_state.sprs[SPR_SR] & SPR_SR_SUMRA))) |
SET_PARAM0(value); |
else { |
SET_PARAM0(0); |
PRINTF("WARNING: trying to read SPR while SR[SUPV] is cleared.\n"); |
sim_done(); |
else |
{ |
SET_PARAM0(0); |
PRINTF("WARNING: trying to read SPR while SR[SUPV] and SR[SUMRA] is cleared.\n"); |
sim_done(); |
} |
} |
INSTRUCTION (l_sys) { |