difftest: fix init of mstatus (#4)

weidingliu · web-flow · commit b333b1d32f7d · 2023-10-24T13:31:30.000+08:00
diff --git a/difftest/difftest.cc b/difftest/difftest.cc
@@ -131,7 +131,7 @@ void DifftestRef::set_regs(diff_context_t *ctx, bool on_demand) {
   if (!on_demand || state->pc != ctx->pc) {
     state->pc = ctx->pc;
   }
-  if (!on_demand || state->mstatus->read() != ctx->pc) {
+  if (!on_demand || state->mstatus->read() != ctx->mstatus) {
     state->mstatus->write(ctx->mstatus);
   }
   if (!on_demand || state->mcause->read() != ctx->mcause) {

Original file line number	Diff line number	Diff line change
`@@ -131,7 +131,7 @@ void DifftestRef::set_regs(diff_context_t *ctx, bool on_demand) {`
`131`	`131`	`if (!on_demand \|\| state->pc != ctx->pc) {`
`132`	`132`	`state->pc = ctx->pc;`
`133`	`133`	`}`
`134`		`- if (!on_demand \|\| state->mstatus->read() != ctx->pc) {`
	`134`	`+ if (!on_demand \|\| state->mstatus->read() != ctx->mstatus) {`
`135`	`135`	`state->mstatus->write(ctx->mstatus);`
`136`	`136`	`}`
`137`	`137`	`if (!on_demand \|\| state->mcause->read() != ctx->mcause) {`