diff options
Diffstat (limited to 'hw/ide')
| -rw-r--r-- | hw/ide/cmd646.c | 61 | ||||
| -rw-r--r-- | hw/ide/internal.h | 1 | ||||
| -rw-r--r-- | hw/ide/piix.c | 1 |
3 files changed, 45 insertions, 18 deletions
diff --git a/hw/ide/cmd646.c b/hw/ide/cmd646.c index 0875de4988..c6ed0b707a 100644 --- a/hw/ide/cmd646.c +++ b/hw/ide/cmd646.c @@ -68,15 +68,9 @@ static void ide_map(PCIDevice *pci_dev, int region_num, } } -static PCIIDEState *pci_from_bm(BMDMAState *bm) +static uint32_t bmdma_readb_common(PCIIDEState *pci_dev, BMDMAState *bm, + uint32_t addr) { - return bm->pci_dev; -} - -static uint32_t bmdma_readb(void *opaque, uint32_t addr) -{ - BMDMAState *bm = opaque; - PCIIDEState *pci_dev = pci_from_bm(bm); uint32_t val; switch(addr & 3) { @@ -90,7 +84,7 @@ static uint32_t bmdma_readb(void *opaque, uint32_t addr) val = bm->status; break; case 3: - if (bm->unit == 0) { + if (bm == &pci_dev->bmdma[0]) { val = pci_dev->dev.config[UDIDETCR0]; } else { val = pci_dev->dev.config[UDIDETCR1]; @@ -106,10 +100,25 @@ static uint32_t bmdma_readb(void *opaque, uint32_t addr) return val; } -static void bmdma_writeb(void *opaque, uint32_t addr, uint32_t val) +static uint32_t bmdma_readb_0(void *opaque, uint32_t addr) +{ + PCIIDEState *pci_dev = opaque; + BMDMAState *bm = &pci_dev->bmdma[0]; + + return bmdma_readb_common(pci_dev, bm, addr); +} + +static uint32_t bmdma_readb_1(void *opaque, uint32_t addr) +{ + PCIIDEState *pci_dev = opaque; + BMDMAState *bm = &pci_dev->bmdma[1]; + + return bmdma_readb_common(pci_dev, bm, addr); +} + +static void bmdma_writeb_common(PCIIDEState *pci_dev, BMDMAState *bm, + uint32_t addr, uint32_t val) { - BMDMAState *bm = opaque; - PCIIDEState *pci_dev = pci_from_bm(bm); #ifdef DEBUG_IDE printf("bmdma: writeb 0x%02x : 0x%02x\n", addr, val); #endif @@ -123,7 +132,7 @@ static void bmdma_writeb(void *opaque, uint32_t addr, uint32_t val) bm->status = (val & 0x60) | (bm->status & 1) | (bm->status & ~val & 0x06); break; case 3: - if (bm->unit == 0) + if (bm == &pci_dev->bmdma[0]) pci_dev->dev.config[UDIDETCR0] = val; else pci_dev->dev.config[UDIDETCR1] = val; @@ -131,6 +140,22 @@ static void bmdma_writeb(void *opaque, uint32_t addr, uint32_t val) } } +static void bmdma_writeb_0(void *opaque, uint32_t addr, uint32_t val) +{ + PCIIDEState *pci_dev = opaque; + BMDMAState *bm = &pci_dev->bmdma[0]; + + bmdma_writeb_common(pci_dev, bm, addr, val); +} + +static void bmdma_writeb_1(void *opaque, uint32_t addr, uint32_t val) +{ + PCIIDEState *pci_dev = opaque; + BMDMAState *bm = &pci_dev->bmdma[1]; + + bmdma_writeb_common(pci_dev, bm, addr, val); +} + static void bmdma_map(PCIDevice *pci_dev, int region_num, pcibus_t addr, pcibus_t size, int type) { @@ -141,13 +166,17 @@ static void bmdma_map(PCIDevice *pci_dev, int region_num, BMDMAState *bm = &d->bmdma[i]; d->bus[i].bmdma = bm; bm->bus = d->bus+i; - bm->pci_dev = d; qemu_add_vm_change_state_handler(ide_dma_restart_cb, bm); register_ioport_write(addr, 1, 1, bmdma_cmd_writeb, bm); - register_ioport_write(addr + 1, 3, 1, bmdma_writeb, bm); - register_ioport_read(addr, 4, 1, bmdma_readb, bm); + if (i == 0) { + register_ioport_write(addr + 1, 3, 1, bmdma_writeb_0, d); + register_ioport_read(addr, 4, 1, bmdma_readb_0, d); + } else { + register_ioport_write(addr + 1, 3, 1, bmdma_writeb_1, d); + register_ioport_read(addr, 4, 1, bmdma_readb_1, d); + } register_ioport_write(addr + 4, 4, 1, bmdma_addr_writeb, bm); register_ioport_read(addr + 4, 4, 1, bmdma_addr_readb, bm); diff --git a/hw/ide/internal.h b/hw/ide/internal.h index 027029ecec..2efc7846bc 100644 --- a/hw/ide/internal.h +++ b/hw/ide/internal.h @@ -483,7 +483,6 @@ struct BMDMAState { uint8_t status; uint32_t addr; - struct PCIIDEState *pci_dev; IDEBus *bus; /* current transfer state */ uint32_t cur_addr; diff --git a/hw/ide/piix.c b/hw/ide/piix.c index 295a93d078..4fa38519ef 100644 --- a/hw/ide/piix.c +++ b/hw/ide/piix.c @@ -78,7 +78,6 @@ static void bmdma_map(PCIDevice *pci_dev, int region_num, BMDMAState *bm = &d->bmdma[i]; d->bus[i].bmdma = bm; bm->bus = d->bus+i; - bm->pci_dev = d; qemu_add_vm_change_state_handler(ide_dma_restart_cb, bm); register_ioport_write(addr, 1, 1, bmdma_cmd_writeb, bm); |