commit 1457a75843740b0433edfc88666c793858f4423a
author Hervé Poussineau <hpoussin@reactos.org> Mon Feb 06 22:29:03 2012 +0100
committer Kevin Wolf <kwolf@redhat.com> Wed Feb 29 12:48:46 2012 +0100
tree 616ea8acdc2793afc978365889623a3e8cfe2a0a
parent 08388273a3c4e895bf7e10f356f66c2363cfe90b

fdc: set busy bit when starting a command

This bit must be active while a command is currently executed.

Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

hw/fdc.c

diff --git a/hw/fdc.c b/hw/fdc.c
index 64e635a..05edc3a 100644
--- a/hw/fdc.c
+++ b/hw/fdc.c
@@ -1446,7 +1446,6 @@
 {
     FDrive *cur_drv = get_cur_drv(fdctrl);
 
-    /* XXX: should set main status register to busy */
     cur_drv->head = (fdctrl->fifo[1] >> 2) & 1;
     qemu_mod_timer(fdctrl->result_timer,
                    qemu_get_clock_ns(vm_clock) + (get_ticks_per_sec() / 50));
@@ -1734,6 +1733,7 @@
         pos = command_to_handler[value & 0xff];
         FLOPPY_DPRINTF("%s command\n", handlers[pos].name);
         fdctrl->data_len = handlers[pos].parameters + 1;
+        fdctrl->msr |= FD_MSR_CMDBUSY;
     }
 
     FLOPPY_DPRINTF("%s: %02x\n", __func__, value);