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vr4300: implement DADE exception.

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Very likely to be wrong in details, but still better than an abort.
This commit is contained in:
Giovanni Bajo 2022-05-29 01:02:19 +02:00 committed by Simon Eriksson
parent da84018e6e
commit 474bf4782c
1 changed files with 8 additions and 1 deletions
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9
vr4300/fault.c
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@ -223,7 +223,14 @@ void VR4300_CPU(struct vr4300 *vr4300) {
// DADE: Data address error exception.
void VR4300_DADE(struct vr4300 *vr4300) {
abort(); // Hammertime!
struct vr4300_latch *common = &vr4300->pipeline.exdc_latch.common;
uint32_t cause, status;
uint64_t epc;
vr4300_ex_fault(vr4300, VR4300_FAULT_CPU);
vr4300_exception_prolog(vr4300, common, &cause, &status, &epc);
vr4300_exception_epilogue(vr4300, (cause & ~0xFF) | (1 << 28) | 0x10,
status, epc, 0x180);
}
// DCB: Data cache busy interlock.