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Support ssip interrupts in spike-cosim

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This commit is contained in:
Jerry Zhao
2023-05-17 15:21:11 -07:00
committed by GitHub
parent 94f83e319a
commit c2ca66ac4d
1 changed files with 4 additions and 1 deletions
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5
generators/chipyard/src/main/resources/csrc/cospike.cc
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@@ -266,12 +266,15 @@ extern "C" void cospike_cosim(long long int cycle,
#endif #endif
uint64_t s_pc = s->pc; uint64_t s_pc = s->pc;
uint64_t interrupt_cause = cause & 0x7FFFFFFFFFFFFFFF; uint64_t interrupt_cause = cause & 0x7FFFFFFFFFFFFFFF;
bool ssip_interrupt = interrupt_cause == 0x1;
bool msip_interrupt = interrupt_cause == 0x3; bool msip_interrupt = interrupt_cause == 0x3;
bool debug_interrupt = interrupt_cause == 0xe; bool debug_interrupt = interrupt_cause == 0xe;
if (raise_interrupt) { if (raise_interrupt) {
printf("%d interrupt %lx\n", cycle, cause); printf("%d interrupt %lx\n", cycle, cause);
if (msip_interrupt) { if (ssip_interrupt) {
// do nothing
} else if (msip_interrupt) {
s->mip->backdoor_write_with_mask(MIP_MSIP, MIP_MSIP); s->mip->backdoor_write_with_mask(MIP_MSIP, MIP_MSIP);
} else if (debug_interrupt) { } else if (debug_interrupt) {
return; return;