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authorHervé Poussineau <hpoussin@reactos.org>2012-09-20 23:01:58 +0200
committerKevin Wolf <kwolf@redhat.com>2012-11-14 18:19:22 +0100
commitd6ed4e21060d13a2faf7c1c9d121e68a16a411f8 (patch)
tree8a7cdec2a1b9d803f855dd17f1a75a4fba34512c /hw/fdc.c
parentc5139bd9a9d78053a4da5047deb34e478a52d669 (diff)
downloadqemu-d6ed4e21060d13a2faf7c1c9d121e68a16a411f8.tar.gz
fdc: fix FD_SR0_SEEK for initial seek on DMA transfers
fdctrl_start_transfer() used to set FD_SR0_SEEK no matter if there actually was a seek or not. This is obviously wrong. fdctrl_start_transfer() has this information because it performs the initial seek itself. Signed-off-by: Hervé Poussineau <hpoussin@reactos.org> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'hw/fdc.c')
-rw-r--r--hw/fdc.c8
1 files changed, 1 insertions, 7 deletions
diff --git a/hw/fdc.c b/hw/fdc.c
index e47050f5a5..a9a2a2a10a 100644
--- a/hw/fdc.c
+++ b/hw/fdc.c
@@ -1179,7 +1179,6 @@ static void fdctrl_start_transfer(FDCtrl *fdctrl, int direction)
{
FDrive *cur_drv;
uint8_t kh, kt, ks;
- int did_seek = 0;
SET_CUR_DRV(fdctrl, fdctrl->fifo[1] & FD_DOR_SELMASK);
cur_drv = get_cur_drv(fdctrl);
@@ -1213,7 +1212,7 @@ static void fdctrl_start_transfer(FDCtrl *fdctrl, int direction)
fdctrl->fifo[5] = ks;
return;
case 1:
- did_seek = 1;
+ fdctrl->status0 |= FD_SR0_SEEK;
break;
default:
break;
@@ -1240,10 +1239,6 @@ static void fdctrl_start_transfer(FDCtrl *fdctrl, int direction)
fdctrl->data_state |= FD_STATE_MULTI;
else
fdctrl->data_state &= ~FD_STATE_MULTI;
- if (did_seek)
- fdctrl->data_state |= FD_STATE_SEEK;
- else
- fdctrl->data_state &= ~FD_STATE_SEEK;
if (fdctrl->fifo[5] == 00) {
fdctrl->data_len = fdctrl->fifo[8];
} else {
@@ -1286,7 +1281,6 @@ static void fdctrl_start_transfer(FDCtrl *fdctrl, int direction)
if (direction != FD_DIR_WRITE)
fdctrl->msr |= FD_MSR_DIO;
/* IO based transfer: calculate len */
- fdctrl->status0 |= FD_SR0_SEEK;
fdctrl_raise_irq(fdctrl);
}