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don't use mmu for dma

This commit is contained in:
Flyinghead 2019-04-18 22:48:37 +02:00
parent 0f34d776f6
commit d82e5e2017
1 changed files with 7 additions and 7 deletions
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14
core/hw/sh4/modules/dmac.cpp
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@ -46,7 +46,7 @@ void DMAC_Ch2St()
return;
}
// printf(">>\tDMAC: Ch2 DMA SRC=%X DST=%X LEN=%X\n", src, dst, len );
//printf(">>\tDMAC: Ch2 DMA SRC=%X DST=%X LEN=%X\n", src, dst, len );
// Direct DList DMA (Ch2)
@ -80,7 +80,6 @@ void DMAC_Ch2St()
else if((dst >= 0x11000000) && (dst <= 0x11FFFFE0))
{
//printf(">>\tDMAC: TEX LNMODE0 Ch2 DMA SRC=%X DST=%X LEN=%X SB_LMMODE0 %d\n", src, dst, len, SB_LMMODE0);
SB_C2DSTAT += len;
if (SB_LMMODE0 == 0)
{
@ -111,13 +110,14 @@ void DMAC_Ch2St()
dst = (dst & 0xFFFFFF) | 0xa5000000;
while (len > 0)
{
u32 v = ReadMem32(src);
u32 v = ReadMem32_nommu(src);
pvr_write_area1_32(dst, v);
len -= 4;
src += 4;
dst += 4;
}
}
SB_C2DSTAT = dst;
}
// If SB_C2DSTAT reg is in range from 0x13000000 to 0x13FFFFE0, set 1 in SB_LMMODE1 reg.
else if((dst >= 0x13000000) && (dst <= 0x13FFFFE0))
@ -135,11 +135,11 @@ void DMAC_Ch2St()
// Setup some of the regs so it thinks we've finished DMA
DMAC_SAR(2) = (src);
DMAC_CHCR(2).full &= 0xFFFFFFFE;
DMAC_DMATCR(2) = 0x00000000;
DMAC_CHCR(2).TE = 1;
DMAC_DMATCR(2) = 0;
SB_C2DST = 0x00000000;
SB_C2DLEN = 0x00000000;
SB_C2DST = 0;
SB_C2DLEN = 0;
// The DMA end interrupt flag (SB_ISTNRM - bit 19: DTDE2INT) is set to "1."
//-> fixed , holly_PVR_DMA is for different use now (fixed the interrupts enum too)