diff options
| -rw-r--r-- | hw/sd/pxa2xx_mmci.c | 156 |
1 files changed, 64 insertions, 92 deletions
diff --git a/hw/sd/pxa2xx_mmci.c b/hw/sd/pxa2xx_mmci.c index 9690c694c9..5170d79a2d 100644 --- a/hw/sd/pxa2xx_mmci.c +++ b/hw/sd/pxa2xx_mmci.c @@ -43,27 +43,72 @@ typedef struct PXA2xxMMCIState { uint32_t cmdat; uint32_t resp_tout; uint32_t read_tout; - int blklen; - int numblk; + int32_t blklen; + int32_t numblk; uint32_t intmask; uint32_t intreq; - int cmd; + int32_t cmd; uint32_t arg; - int active; - int bytesleft; + int32_t active; + int32_t bytesleft; uint8_t tx_fifo[64]; - int tx_start; - int tx_len; + uint32_t tx_start; + uint32_t tx_len; uint8_t rx_fifo[32]; - int rx_start; - int rx_len; + uint32_t rx_start; + uint32_t rx_len; uint16_t resp_fifo[9]; - int resp_len; + uint32_t resp_len; - int cmdreq; + int32_t cmdreq; } PXA2xxMMCIState; +static bool pxa2xx_mmci_vmstate_validate(void *opaque, int version_id) +{ + PXA2xxMMCIState *s = opaque; + + return s->tx_start < ARRAY_SIZE(s->tx_fifo) + && s->rx_start < ARRAY_SIZE(s->rx_fifo) + && s->tx_len <= ARRAY_SIZE(s->tx_fifo) + && s->rx_len <= ARRAY_SIZE(s->rx_fifo) + && s->resp_len <= ARRAY_SIZE(s->resp_fifo); +} + + +static const VMStateDescription vmstate_pxa2xx_mmci = { + .name = "pxa2xx-mmci", + .version_id = 2, + .minimum_version_id = 2, + .fields = (VMStateField[]) { + VMSTATE_UINT32(status, PXA2xxMMCIState), + VMSTATE_UINT32(clkrt, PXA2xxMMCIState), + VMSTATE_UINT32(spi, PXA2xxMMCIState), + VMSTATE_UINT32(cmdat, PXA2xxMMCIState), + VMSTATE_UINT32(resp_tout, PXA2xxMMCIState), + VMSTATE_UINT32(read_tout, PXA2xxMMCIState), + VMSTATE_INT32(blklen, PXA2xxMMCIState), + VMSTATE_INT32(numblk, PXA2xxMMCIState), + VMSTATE_UINT32(intmask, PXA2xxMMCIState), + VMSTATE_UINT32(intreq, PXA2xxMMCIState), + VMSTATE_INT32(cmd, PXA2xxMMCIState), + VMSTATE_UINT32(arg, PXA2xxMMCIState), + VMSTATE_INT32(cmdreq, PXA2xxMMCIState), + VMSTATE_INT32(active, PXA2xxMMCIState), + VMSTATE_INT32(bytesleft, PXA2xxMMCIState), + VMSTATE_UINT32(tx_start, PXA2xxMMCIState), + VMSTATE_UINT32(tx_len, PXA2xxMMCIState), + VMSTATE_UINT32(rx_start, PXA2xxMMCIState), + VMSTATE_UINT32(rx_len, PXA2xxMMCIState), + VMSTATE_UINT32(resp_len, PXA2xxMMCIState), + VMSTATE_VALIDATE("fifo size incorrect", pxa2xx_mmci_vmstate_validate), + VMSTATE_UINT8_ARRAY(tx_fifo, PXA2xxMMCIState, 64), + VMSTATE_UINT8_ARRAY(rx_fifo, PXA2xxMMCIState, 32), + VMSTATE_UINT16_ARRAY(resp_fifo, PXA2xxMMCIState, 9), + VMSTATE_END_OF_LIST() + } +}; + #define MMC_STRPCL 0x00 /* MMC Clock Start/Stop register */ #define MMC_STAT 0x04 /* MMC Status register */ #define MMC_CLKRT 0x08 /* MMC Clock Rate register */ @@ -405,84 +450,6 @@ static const MemoryRegionOps pxa2xx_mmci_ops = { .endianness = DEVICE_NATIVE_ENDIAN, }; -static void pxa2xx_mmci_save(QEMUFile *f, void *opaque) -{ - PXA2xxMMCIState *s = (PXA2xxMMCIState *) opaque; - int i; - - qemu_put_be32s(f, &s->status); - qemu_put_be32s(f, &s->clkrt); - qemu_put_be32s(f, &s->spi); - qemu_put_be32s(f, &s->cmdat); - qemu_put_be32s(f, &s->resp_tout); - qemu_put_be32s(f, &s->read_tout); - qemu_put_be32(f, s->blklen); - qemu_put_be32(f, s->numblk); - qemu_put_be32s(f, &s->intmask); - qemu_put_be32s(f, &s->intreq); - qemu_put_be32(f, s->cmd); - qemu_put_be32s(f, &s->arg); - qemu_put_be32(f, s->cmdreq); - qemu_put_be32(f, s->active); - qemu_put_be32(f, s->bytesleft); - - qemu_put_byte(f, s->tx_len); - for (i = 0; i < s->tx_len; i ++) - qemu_put_byte(f, s->tx_fifo[(s->tx_start + i) & 63]); - - qemu_put_byte(f, s->rx_len); - for (i = 0; i < s->rx_len; i ++) - qemu_put_byte(f, s->rx_fifo[(s->rx_start + i) & 31]); - - qemu_put_byte(f, s->resp_len); - for (i = s->resp_len; i < 9; i ++) - qemu_put_be16s(f, &s->resp_fifo[i]); -} - -static int pxa2xx_mmci_load(QEMUFile *f, void *opaque, int version_id) -{ - PXA2xxMMCIState *s = (PXA2xxMMCIState *) opaque; - int i; - - qemu_get_be32s(f, &s->status); - qemu_get_be32s(f, &s->clkrt); - qemu_get_be32s(f, &s->spi); - qemu_get_be32s(f, &s->cmdat); - qemu_get_be32s(f, &s->resp_tout); - qemu_get_be32s(f, &s->read_tout); - s->blklen = qemu_get_be32(f); - s->numblk = qemu_get_be32(f); - qemu_get_be32s(f, &s->intmask); - qemu_get_be32s(f, &s->intreq); - s->cmd = qemu_get_be32(f); - qemu_get_be32s(f, &s->arg); - s->cmdreq = qemu_get_be32(f); - s->active = qemu_get_be32(f); - s->bytesleft = qemu_get_be32(f); - - s->tx_len = qemu_get_byte(f); - s->tx_start = 0; - if (s->tx_len >= sizeof(s->tx_fifo) || s->tx_len < 0) - return -EINVAL; - for (i = 0; i < s->tx_len; i ++) - s->tx_fifo[i] = qemu_get_byte(f); - - s->rx_len = qemu_get_byte(f); - s->rx_start = 0; - if (s->rx_len >= sizeof(s->rx_fifo) || s->rx_len < 0) - return -EINVAL; - for (i = 0; i < s->rx_len; i ++) - s->rx_fifo[i] = qemu_get_byte(f); - - s->resp_len = qemu_get_byte(f); - if (s->resp_len > 9 || s->resp_len < 0) - return -EINVAL; - for (i = s->resp_len; i < 9; i ++) - qemu_get_be16s(f, &s->resp_fifo[i]); - - return 0; -} - PXA2xxMMCIState *pxa2xx_mmci_init(MemoryRegion *sysmem, hwaddr base, BlockBackend *blk, qemu_irq irq, @@ -556,13 +523,17 @@ static void pxa2xx_mmci_instance_init(Object *obj) qdev_init_gpio_out_named(dev, &s->rx_dma, "rx-dma", 1); qdev_init_gpio_out_named(dev, &s->tx_dma, "tx-dma", 1); - register_savevm(NULL, "pxa2xx_mmci", 0, 0, - pxa2xx_mmci_save, pxa2xx_mmci_load, s); - qbus_create_inplace(&s->sdbus, sizeof(s->sdbus), TYPE_PXA2XX_MMCI_BUS, DEVICE(obj), "sd-bus"); } +static void pxa2xx_mmci_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + + dc->vmsd = &vmstate_pxa2xx_mmci; +} + static void pxa2xx_mmci_bus_class_init(ObjectClass *klass, void *data) { SDBusClass *sbc = SD_BUS_CLASS(klass); @@ -576,6 +547,7 @@ static const TypeInfo pxa2xx_mmci_info = { .parent = TYPE_SYS_BUS_DEVICE, .instance_size = sizeof(PXA2xxMMCIState), .instance_init = pxa2xx_mmci_instance_init, + .class_init = pxa2xx_mmci_class_init, }; static const TypeInfo pxa2xx_mmci_bus_info = { |