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Overhauled DMA bus master reads and writes and cleaned up the AMD PCnet code a bit (network queue implementation is pending).

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This commit is contained in:
OBattler
2020-04-28 01:01:39 +02:00
parent bc3a2a3b20
commit 59822c6c0e
13 changed files with 361 additions and 232 deletions
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8
src/scsi/scsi_buslogic.c
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@@ -557,7 +557,7 @@ buslogic_param_len(void *p)
static void
BuslogicSCSIBIOSDMATransfer(ESCMD *ESCSICmd, uint8_t TargetID, int dir)
BuslogicSCSIBIOSDMATransfer(ESCMD *ESCSICmd, uint8_t TargetID, int dir, int transfer_size)
{
uint32_t DataPointer = ESCSICmd->DataPointer;
int DataLength = ESCSICmd->DataLength;
@@ -581,10 +581,10 @@ BuslogicSCSIBIOSDMATransfer(ESCMD *ESCSICmd, uint8_t TargetID, int dir)
if (dir && ((ESCSICmd->DataDirection == CCB_DATA_XFER_OUT) || (ESCSICmd->DataDirection == 0x00))) {
buslogic_log("BusLogic BIOS DMA: Reading %i bytes from %08X\n", TransferLength, Address);
DMAPageRead(Address, (uint8_t *)dev->sc->temp_buffer, TransferLength);
dma_bm_read(Address, (uint8_t *)dev->sc->temp_buffer, TransferLength, transfer_size);
} else if (!dir && ((ESCSICmd->DataDirection == CCB_DATA_XFER_IN) || (ESCSICmd->DataDirection == 0x00))) {
buslogic_log("BusLogic BIOS DMA: Writing %i bytes at %08X\n", TransferLength, Address);
DMAPageWrite(Address, (uint8_t *)dev->sc->temp_buffer, TransferLength);
dma_bm_write(Address, (uint8_t *)dev->sc->temp_buffer, TransferLength, transfer_size);
}
}
}
@@ -651,7 +651,7 @@ BuslogicSCSIBIOSRequestSetup(x54x_t *dev, uint8_t *CmdBuf, uint8_t *DataInBuf, u
phase = sd->phase;
if (phase != SCSI_PHASE_STATUS) {
BuslogicSCSIBIOSDMATransfer(ESCSICmd, ESCSICmd->TargetId, (phase == SCSI_PHASE_DATA_OUT));
BuslogicSCSIBIOSDMATransfer(ESCSICmd, ESCSICmd->TargetId, (phase == SCSI_PHASE_DATA_OUT), dev->transfer_size);
scsi_device_command_phase1(sd);
}