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[Qemu-devel] [PATCH v3 8/9] fdc: fix seek command, which shouldn't check
From: |
Hervé Poussineau |
Subject: |
[Qemu-devel] [PATCH v3 8/9] fdc: fix seek command, which shouldn't check tracks |
Date: |
Mon, 23 Jan 2012 09:50:39 +0100 |
The seek command just sends step pulses to the drive and doesn't care if
there is a medium inserted of if it is banging the head against the drive.
Signed-off-by: Hervé Poussineau <address@hidden>
---
hw/fdc.c | 9 ++++++---
1 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/hw/fdc.c b/hw/fdc.c
index 8c200fb..3fa7704 100644
--- a/hw/fdc.c
+++ b/hw/fdc.c
@@ -1599,13 +1599,16 @@ static void fdctrl_handle_seek(FDCtrl *fdctrl, int
direction)
SET_CUR_DRV(fdctrl, fdctrl->fifo[1] & FD_DOR_SELMASK);
cur_drv = get_cur_drv(fdctrl);
fdctrl_reset_fifo(fdctrl);
+ /* The seek command just sends step pulses to the drive and doesn't care if
+ * there is a medium inserted of if it's banging the head against the
drive.
+ */
if (fdctrl->fifo[2] > cur_drv->max_track) {
- fdctrl_raise_irq(fdctrl, FD_SR0_ABNTERM | FD_SR0_SEEK);
+ cur_drv->track = cur_drv->max_track;
} else {
cur_drv->track = fdctrl->fifo[2];
- /* Raise Interrupt */
- fdctrl_raise_irq(fdctrl, FD_SR0_SEEK);
}
+ /* Raise Interrupt */
+ fdctrl_raise_irq(fdctrl, FD_SR0_SEEK);
}
static void fdctrl_handle_perpendicular_mode(FDCtrl *fdctrl, int direction)
--
1.7.7.3
- [Qemu-devel] [PATCH v3 3/9] fdc: most control commands do not generate interrupts, (continued)
[Qemu-devel] [PATCH v3 4/9] fdc: handle read-only floppies (abort early on write commands), Hervé Poussineau, 2012/01/23
[Qemu-devel] [PATCH v3 7/9] fdc: check if media rate is correct before doing any transfer, Hervé Poussineau, 2012/01/23
[Qemu-devel] [PATCH v3 6/9] block: add a transfer rate for floppy types, Hervé Poussineau, 2012/01/23
[Qemu-devel] [PATCH v3 8/9] fdc: fix seek command, which shouldn't check tracks,
Hervé Poussineau <=
[Qemu-devel] [PATCH v3 9/9] fdc: DIR (Digital Input Register) should return status of current drive..., Hervé Poussineau, 2012/01/23
Re: [Qemu-devel] [PATCH v3 0/9] Misc fixes for floppy emulation, Markus Armbruster, 2012/01/31