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authorbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2004-11-07 18:04:02 +0000
committerbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2004-11-07 18:04:02 +0000
commit85571bc7415c3fa9390f5edc3720ec7975219a68 (patch)
treea3f74af6eb70e978bd43613bad35592b833ec6e5 /hw/fdc.c
parent8f46820d920b9cd149559b5d32e6b306ee2e24ba (diff)
downloadqemu-85571bc7415c3fa9390f5edc3720ec7975219a68.tar.gz
audio merge (malc)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1125 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'hw/fdc.c')
-rw-r--r--hw/fdc.c31
1 files changed, 19 insertions, 12 deletions
diff --git a/hw/fdc.c b/hw/fdc.c
index 9375b913c5..d512b1ca98 100644
--- a/hw/fdc.c
+++ b/hw/fdc.c
@@ -313,7 +313,8 @@ static void fd_reset (fdrive_t *drv)
static void fdctrl_reset (fdctrl_t *fdctrl, int do_irq);
static void fdctrl_reset_fifo (fdctrl_t *fdctrl);
-static int fdctrl_transfer_handler (void *opaque, target_ulong addr, int size);
+static int fdctrl_transfer_handler (void *opaque, int nchan,
+ int dma_pos, int dma_len);
static void fdctrl_raise_irq (fdctrl_t *fdctrl, uint8_t status);
static void fdctrl_result_timer(void *opaque);
@@ -908,7 +909,8 @@ static void fdctrl_start_transfer_del (fdctrl_t *fdctrl, int direction)
}
/* handlers for DMA transfers */
-static int fdctrl_transfer_handler (void *opaque, target_ulong addr, int size)
+static int fdctrl_transfer_handler (void *opaque, int nchan,
+ int dma_pos, int dma_len)
{
fdctrl_t *fdctrl;
fdrive_t *cur_drv;
@@ -924,8 +926,8 @@ static int fdctrl_transfer_handler (void *opaque, target_ulong addr, int size)
if (fdctrl->data_dir == FD_DIR_SCANE || fdctrl->data_dir == FD_DIR_SCANL ||
fdctrl->data_dir == FD_DIR_SCANH)
status2 = 0x04;
- if (size > fdctrl->data_len)
- size = fdctrl->data_len;
+ if (dma_len > fdctrl->data_len)
+ dma_len = fdctrl->data_len;
if (cur_drv->bs == NULL) {
if (fdctrl->data_dir == FD_DIR_WRITE)
fdctrl_stop_transfer(fdctrl, 0x60, 0x00, 0x00);
@@ -935,8 +937,8 @@ static int fdctrl_transfer_handler (void *opaque, target_ulong addr, int size)
goto transfer_error;
}
rel_pos = fdctrl->data_pos % FD_SECTOR_LEN;
- for (start_pos = fdctrl->data_pos; fdctrl->data_pos < size;) {
- len = size - fdctrl->data_pos;
+ for (start_pos = fdctrl->data_pos; fdctrl->data_pos < dma_len;) {
+ len = dma_len - fdctrl->data_pos;
if (len + rel_pos > FD_SECTOR_LEN)
len = FD_SECTOR_LEN - rel_pos;
FLOPPY_DPRINTF("copy %d bytes (%d %d %d) %d pos %d %02x %02x "
@@ -958,13 +960,17 @@ static int fdctrl_transfer_handler (void *opaque, target_ulong addr, int size)
switch (fdctrl->data_dir) {
case FD_DIR_READ:
/* READ commands */
- cpu_physical_memory_write(addr + fdctrl->data_pos,
- fdctrl->fifo + rel_pos, len);
+ DMA_write_memory (nchan, fdctrl->fifo + rel_pos,
+ fdctrl->data_pos, len);
+/* cpu_physical_memory_write(addr + fdctrl->data_pos, */
+/* fdctrl->fifo + rel_pos, len); */
break;
case FD_DIR_WRITE:
/* WRITE commands */
- cpu_physical_memory_read(addr + fdctrl->data_pos,
- fdctrl->fifo + rel_pos, len);
+ DMA_read_memory (nchan, fdctrl->fifo + rel_pos,
+ fdctrl->data_pos, len);
+/* cpu_physical_memory_read(addr + fdctrl->data_pos, */
+/* fdctrl->fifo + rel_pos, len); */
if (bdrv_write(cur_drv->bs, fd_sector(cur_drv),
fdctrl->fifo, 1) < 0) {
FLOPPY_ERROR("writting sector %d\n", fd_sector(cur_drv));
@@ -977,8 +983,9 @@ static int fdctrl_transfer_handler (void *opaque, target_ulong addr, int size)
{
uint8_t tmpbuf[FD_SECTOR_LEN];
int ret;
- cpu_physical_memory_read(addr + fdctrl->data_pos,
- tmpbuf, len);
+ DMA_read_memory (nchan, tmpbuf, fdctrl->data_pos, len);
+/* cpu_physical_memory_read(addr + fdctrl->data_pos, */
+/* tmpbuf, len); */
ret = memcmp(tmpbuf, fdctrl->fifo + rel_pos, len);
if (ret == 0) {
status2 = 0x08;