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Finally figured out the ringbufer corruption.

This commit is contained in:
Ben Vanik 2013-10-27 16:00:51 -07:00
parent 11f99ce33b
commit 74ff6bd4fa
1 changed files with 8 additions and 3 deletions
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11
src/xenia/kernel/xboxkrnl/xboxkrnl_video.cc
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@ -392,11 +392,11 @@ SHIM_CALL VdRetrainEDRAM_shim(
SHIM_CALL VdSwap_shim(
xe_ppc_state_t* ppc_state, KernelState* state) {
uint32_t unk0 = SHIM_GET_ARG_32(0);
uint32_t unk0 = SHIM_GET_ARG_32(0); // ptr into primary ringbuffer
uint32_t unk1 = SHIM_GET_ARG_32(1);
uint32_t unk2 = SHIM_GET_ARG_32(2);
uint32_t unk3 = SHIM_GET_ARG_32(3);
uint32_t unk4 = SHIM_GET_ARG_32(4);
uint32_t unk3 = SHIM_GET_ARG_32(3); // ptr to 0xBEEF0000
uint32_t unk4 = SHIM_GET_ARG_32(4); // 0xBEEF0001
uint32_t unk5 = SHIM_GET_ARG_32(5);
uint32_t unk6 = SHIM_GET_ARG_32(6);
uint32_t unk7 = SHIM_GET_ARG_32(7);
@ -421,6 +421,11 @@ SHIM_CALL VdSwap_shim(
gs->set_swap_pending(true);
// The caller seems to reserve 64 words (256b) in the primary ringbuffer
// for this method to do what it needs. We just zero them out. We could
// encode the parameters in the stream for the ringbuffer, if needed.
xe_zero_struct(SHIM_MEM_ADDR(unk0), 64 * 4);
SHIM_SET_RETURN(0);
}