Commit d566811a authored by John Snow's avatar John Snow
Browse files

ahci: adjust ahci_mem_write to work on registers 



Actually, this function looks pretty broken, but for now, let's finish
up what this series of commits came here to do.

Signed-off-by: default avatarJohn Snow <jsnow@redhat.com>
Reviewed-by: default avatarPhilippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20180531222835.16558-15-jsnow@redhat.com
Signed-off-by: default avatarJohn Snow <jsnow@redhat.com>
parent 467378ba

hw/ide/ahci.c

+9 −6
Original line number Diff line number Diff line
@@ -468,11 +468,14 @@ static void ahci_mem_write(void *opaque, hwaddr addr, 
    }



    if (addr < AHCI_GENERIC_HOST_CONTROL_REGS_MAX_ADDR) {

        switch (addr) {

        case HOST_CAP: /* R/WO, RO */

        enum AHCIHostReg regnum = addr / 4;

        assert(regnum < AHCI_HOST_REG__COUNT);



        switch (regnum) {

        case AHCI_HOST_REG_CAP: /* R/WO, RO */

            /* FIXME handle R/WO */

            break;

        case HOST_CTL: /* R/W */

        case AHCI_HOST_REG_CTL: /* R/W */

            if (val & HOST_CTL_RESET) {

                ahci_reset(s);

            } else {
@@ -480,14 +483,14 @@ static void ahci_mem_write(void *opaque, hwaddr addr, 
                ahci_check_irq(s);

            }

            break;

        case HOST_IRQ_STAT: /* R/WC, RO */

        case AHCI_HOST_REG_IRQ_STAT: /* R/WC, RO */

            s->control_regs.irqstatus &= ~val;

            ahci_check_irq(s);

            break;

        case HOST_PORTS_IMPL: /* R/WO, RO */

        case AHCI_HOST_REG_PORTS_IMPL: /* R/WO, RO */

            /* FIXME handle R/WO */

            break;

        case HOST_VERSION: /* RO */

        case AHCI_HOST_REG_VERSION: /* RO */

            /* FIXME report write? */

            break;

        default: