They were introduced in 6f7e9aec5eb5bdfa57a9e458e391b785c283a007 and
82407d1a4035e5bfefb53ffdcb270872f813b34c and lots of bug fixes were done after
that.
This fixes (at least) the detection of the floppy controller on Debian
4.0r9/SPARC,
and SS-5's OBP initialization routine still works.
Signed-off-by: Hervé Poussineau <hpous...@reactos.org>
---
hw/block/fdc.c | 17 -----------------
1 file changed, 17 deletions(-)
diff --git a/hw/block/fdc.c b/hw/block/fdc.c
index 2bf87c9..f72a392 100644
--- a/hw/block/fdc.c
+++ b/hw/block/fdc.c
@@ -535,8 +535,6 @@ struct FDCtrl {
uint8_t pwrd;
/* Floppy drives */
uint8_t num_floppies;
- /* Sun4m quirks? */
- int sun4m;
FDrive drives[MAX_FD];
int reset_sensei;
uint32_t check_media_rate;
@@ -885,13 +883,6 @@ static void fdctrl_reset_irq(FDCtrl *fdctrl)
static void fdctrl_raise_irq(FDCtrl *fdctrl)
{
- /* Sparc mutation */
- if (fdctrl->sun4m && (fdctrl->msr & FD_MSR_CMDBUSY)) {
- /* XXX: not sure */
- fdctrl->msr &= ~FD_MSR_CMDBUSY;
- fdctrl->msr |= FD_MSR_RQM | FD_MSR_DIO;
- return;
- }
if (!(fdctrl->sra & FD_SRA_INTPEND)) {
qemu_set_irq(fdctrl->irq, 1);
fdctrl->sra |= FD_SRA_INTPEND;
@@ -1080,12 +1071,6 @@ static uint32_t fdctrl_read_main_status(FDCtrl *fdctrl)
fdctrl->dsr &= ~FD_DSR_PWRDOWN;
fdctrl->dor |= FD_DOR_nRESET;
- /* Sparc mutation */
- if (fdctrl->sun4m) {
- retval |= FD_MSR_DIO;
- fdctrl_reset_irq(fdctrl);
- };
-
FLOPPY_DPRINTF("main status register: 0x%02x\n", retval);
return retval;
@@ -2241,8 +2226,6 @@ static void sun4m_fdc_initfn(Object *obj)
FDCtrlSysBus *sys = SYSBUS_FDC(obj);
FDCtrl *fdctrl = &sys->state;
- fdctrl->sun4m = 1;
-
memory_region_init_io(&fdctrl->iomem, obj, &fdctrl_mem_strict_ops,
fdctrl, "fdctrl", 0x08);
sysbus_init_mmio(sbd, &fdctrl->iomem);
--
1.7.10.4
