Commit 82407d1a authored by Artyom Tarasenko's avatar Artyom Tarasenko Committed by Blue Swirl
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fdc/sparc32: don't hang on detection under OBP 



Stepping through the SS-5's OBP initialization routines
it looks like reading fdc main status register should
clear the fd interrupt.
The patch doesn't fix problems with fdc on sparc platform,
it only fixes fdc detection.

Signed-off-by: default avatarArtyom Tarasenko <atar4qemu@gmail.com>
Signed-off-by: default avatarBlue Swirl <blauwirbel@gmail.com>
parent c5de386a

hw/fdc.c

+6 −0
Original line number Diff line number Diff line
@@ -960,6 +960,12 @@ static uint32_t fdctrl_read_main_status (fdctrl_t *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;