コード例 #1
0
ファイル: cmd646.c プロジェクト: cornsea/qemu
static void bmdma_write(void *opaque, target_phys_addr_t addr,
                        uint64_t val, unsigned size)
{
    BMDMAState *bm = opaque;
    PCIIDEState *pci_dev = bm->pci_dev;

    if (size != 1) {
        return;
    }

#ifdef DEBUG_IDE
    printf("bmdma: writeb 0x%02" TARGET_PRIxPHYS " : 0x%02" PRIx64 "\n",
           addr, val);
#endif
    switch(addr & 3) {
    case 0:
        bmdma_cmd_writeb(bm, val);
        break;
    case 1:
        pci_dev->dev.config[MRDMODE] =
            (pci_dev->dev.config[MRDMODE] & ~0x30) | (val & 0x30);
        cmd646_update_irq(pci_dev);
        break;
    case 2:
        bm->status = (val & 0x60) | (bm->status & 1) | (bm->status & ~val & 0x06);
        break;
    case 3:
        if (bm == &pci_dev->bmdma[0])
            pci_dev->dev.config[UDIDETCR0] = val;
        else
            pci_dev->dev.config[UDIDETCR1] = val;
        break;
    }
}
コード例 #2
0
ファイル: cmd646.c プロジェクト: Aakriti/qemu
static void bmdma_write(void *opaque, hwaddr addr,
                        uint64_t val, unsigned size)
{
    BMDMAState *bm = opaque;
    PCIDevice *pci_dev = PCI_DEVICE(bm->pci_dev);

    if (size != 1) {
        return;
    }

#ifdef DEBUG_IDE
    printf("bmdma: writeb " TARGET_FMT_plx " : 0x%" PRIx64 "\n", addr, val);
#endif
    switch(addr & 3) {
    case 0:
        bmdma_cmd_writeb(bm, val);
        break;
    case 1:
        pci_dev->config[MRDMODE] =
            (pci_dev->config[MRDMODE] & ~0x30) | (val & 0x30);
        cmd646_update_irq(bm->pci_dev);
        break;
    case 2:
        bm->status = (val & 0x60) | (bm->status & 1) | (bm->status & ~val & 0x06);
        break;
    case 3:
        if (bm == &bm->pci_dev->bmdma[0]) {
            pci_dev->config[UDIDETCR0] = val;
        } else {
            pci_dev->config[UDIDETCR1] = val;
        }
        break;
    }
}
コード例 #3
0
ファイル: cmd646.c プロジェクト: cornsea/qemu
/* the PCI irq level is the logical OR of the two channels */
static void cmd646_set_irq(void *opaque, int channel, int level)
{
    PCIIDEState *d = opaque;
    int irq_mask;

    irq_mask = MRDMODE_INTR_CH0 << channel;
    if (level)
        d->dev.config[MRDMODE] |= irq_mask;
    else
        d->dev.config[MRDMODE] &= ~irq_mask;
    cmd646_update_irq(d);
}
コード例 #4
0
ファイル: cmd646.c プロジェクト: Aakriti/qemu
/* the PCI irq level is the logical OR of the two channels */
static void cmd646_set_irq(void *opaque, int channel, int level)
{
    PCIIDEState *d = opaque;
    PCIDevice *pd = PCI_DEVICE(d);
    int irq_mask;

    irq_mask = MRDMODE_INTR_CH0 << channel;
    if (level) {
        pd->config[MRDMODE] |= irq_mask;
    } else {
        pd->config[MRDMODE] &= ~irq_mask;
    }
    cmd646_update_irq(d);
}