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fdc: set busy bit when starting a command

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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>
This commit is contained in:
Hervé Poussineau 2012-02-06 22:29:03 +01:00 committed by Kevin Wolf
parent 08388273a3
commit 1457a75843
1 changed files with 1 additions and 1 deletions
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2
hw/fdc.c
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@ -1446,7 +1446,6 @@ static void fdctrl_handle_readid(FDCtrl *fdctrl, int direction)
{ {
FDrive *cur_drv = get_cur_drv(fdctrl); FDrive *cur_drv = get_cur_drv(fdctrl);
/* XXX: should set main status register to busy */
cur_drv->head = (fdctrl->fifo[1] >> 2) & 1; cur_drv->head = (fdctrl->fifo[1] >> 2) & 1;
qemu_mod_timer(fdctrl->result_timer, qemu_mod_timer(fdctrl->result_timer,
qemu_get_clock_ns(vm_clock) + (get_ticks_per_sec() / 50)); qemu_get_clock_ns(vm_clock) + (get_ticks_per_sec() / 50));
@ -1734,6 +1733,7 @@ static void fdctrl_write_data(FDCtrl *fdctrl, uint32_t value)
pos = command_to_handler[value & 0xff]; pos = command_to_handler[value & 0xff];
FLOPPY_DPRINTF("%s command\n", handlers[pos].name); FLOPPY_DPRINTF("%s command\n", handlers[pos].name);
fdctrl->data_len = handlers[pos].parameters + 1; fdctrl->data_len = handlers[pos].parameters + 1;
fdctrl->msr |= FD_MSR_CMDBUSY;
} }
FLOPPY_DPRINTF("%s: %02x\n", __func__, value); FLOPPY_DPRINTF("%s: %02x\n", __func__, value);