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Implement cp0 prid

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This commit is contained in:
Lauri Kasanen 2020-12-15 13:57:21 +02:00 committed by Simon Eriksson
parent 9464379f8a
commit 4316ecd0dd
1 changed files with 6 additions and 1 deletions
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7
vr4300/cp0.c
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@ -69,6 +69,9 @@ int VR4300_DMFC0(struct vr4300 *vr4300,
else if (vr4300_cp0_reg_masks[src] == 0x0000000000000BADULL)
exdc_latch->result = vr4300->regs[VR4300_REGISTER_CP0_0 + 7];
else if (src + VR4300_REGISTER_CP0_0 == VR4300_CP0_REGISTER_PRID)
exdc_latch->result = 0xb22; // Hardcoded most common revision N64
else {
exdc_latch->result = mask_reg(src,
vr4300->regs[VR4300_REGISTER_CP0_0 + src]);
@ -167,6 +170,9 @@ int VR4300_MFC0(struct vr4300 *vr4300,
else if (vr4300_cp0_reg_masks[src] == 0x0000000000000BADULL)
exdc_latch->result = (int32_t) vr4300->regs[VR4300_REGISTER_CP0_0 + 7];
else if (src + VR4300_REGISTER_CP0_0 == VR4300_CP0_REGISTER_PRID)
exdc_latch->result = 0xb22; // Hardcoded most common revision N64
else {
exdc_latch->result = (int32_t) mask_reg(src,
vr4300->regs[VR4300_REGISTER_CP0_0 + src]);
@ -294,4 +300,3 @@ int VR4300_TLBWR(struct vr4300 *vr4300,
void vr4300_cp0_init(struct vr4300 *vr4300) {
tlb_init(&vr4300->cp0.tlb);
}