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Attempt to fix BusLogic scatter gather by increasing source buffer position after every read.

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This commit is contained in:
OBattler
2017-01-16 06:21:34 +01:00
parent 4f7fd84229
commit 7608f1604f
1 changed files with 4 additions and 1 deletions
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5
src/buslogic.c
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@@ -792,6 +792,8 @@ uint32_t BuslogicGetDataLength(BuslogicRequests_t *BuslogicRequests)
void BuslogicDataBufferFree(BuslogicRequests_t *BuslogicRequests) void BuslogicDataBufferFree(BuslogicRequests_t *BuslogicRequests)
{ {
uint32_t sg_buffer_pos = 0;
if (BuslogicRequests->Is24bit) if (BuslogicRequests->Is24bit)
{ {
DataPointer = ADDR_TO_U32(BuslogicRequests->CmdBlock.old.DataPointer); DataPointer = ADDR_TO_U32(BuslogicRequests->CmdBlock.old.DataPointer);
@@ -839,7 +841,8 @@ void BuslogicDataBufferFree(BuslogicRequests_t *BuslogicRequests)
Address = ScatterGatherBuffer[ScatterEntry].SegmentPointer; Address = ScatterGatherBuffer[ScatterEntry].SegmentPointer;
DataToTransfer = ScatterGatherBuffer[ScatterEntry].Segment; DataToTransfer = ScatterGatherBuffer[ScatterEntry].Segment;
DMAPageWrite(Address, SCSIDevices[BuslogicRequests->TargetID].CmdBuffer, DataToTransfer); DMAPageWrite(Address, SCSIDevices[BuslogicRequests->TargetID].CmdBuffer + sg_buffer_pos, DataToTransfer);
sg_buffer_pos += DataToTransfer;
} }
ScatterGatherAddrCurrent += ScatterGatherRead * (BuslogicRequests->Is24bit ? sizeof(SGE) : sizeof(SGE32)); ScatterGatherAddrCurrent += ScatterGatherRead * (BuslogicRequests->Is24bit ? sizeof(SGE) : sizeof(SGE32));