diff options
| -rw-r--r-- | hw/usb/hcd-ehci.c | 84 |
1 files changed, 42 insertions, 42 deletions
diff --git a/hw/usb/hcd-ehci.c b/hw/usb/hcd-ehci.c index 04301ce..934af55 100644 --- a/hw/usb/hcd-ehci.c +++ b/hw/usb/hcd-ehci.c @@ -438,6 +438,48 @@ static inline bool ehci_periodic_enabled(EHCIState *s) return ehci_enabled(s) && (s->usbcmd & USBCMD_PSE); } +/* Get an array of dwords from main memory */ +static inline int get_dwords(EHCIState *ehci, uint32_t addr, + uint32_t *buf, int num) +{ + int i; + + if (!ehci->dma) { + ehci_raise_irq(ehci, USBSTS_HSE); + ehci->usbcmd &= ~USBCMD_RUNSTOP; + trace_usb_ehci_dma_error(); + return -1; + } + + for (i = 0; i < num; i++, buf++, addr += sizeof(*buf)) { + dma_memory_read(ehci->dma, addr, buf, sizeof(*buf)); + *buf = le32_to_cpu(*buf); + } + + return num; +} + +/* Put an array of dwords in to main memory */ +static inline int put_dwords(EHCIState *ehci, uint32_t addr, + uint32_t *buf, int num) +{ + int i; + + if (!ehci->dma) { + ehci_raise_irq(ehci, USBSTS_HSE); + ehci->usbcmd &= ~USBCMD_RUNSTOP; + trace_usb_ehci_dma_error(); + return -1; + } + + for (i = 0; i < num; i++, buf++, addr += sizeof(*buf)) { + uint32_t tmp = cpu_to_le32(*buf); + dma_memory_write(ehci->dma, addr, &tmp, sizeof(tmp)); + } + + return num; +} + static bool ehci_verify_qh(EHCIQueue *q, EHCIqh *qh) { uint32_t devaddr = get_field(qh->epchar, QH_EPCHAR_DEVADDR); @@ -1054,48 +1096,6 @@ static void ehci_opreg_write(void *ptr, hwaddr addr, *mmio, old); } -/* Get an array of dwords from main memory */ -static inline int get_dwords(EHCIState *ehci, uint32_t addr, - uint32_t *buf, int num) -{ - int i; - - if (!ehci->dma) { - ehci_raise_irq(ehci, USBSTS_HSE); - ehci->usbcmd &= ~USBCMD_RUNSTOP; - trace_usb_ehci_dma_error(); - return -1; - } - - for(i = 0; i < num; i++, buf++, addr += sizeof(*buf)) { - dma_memory_read(ehci->dma, addr, buf, sizeof(*buf)); - *buf = le32_to_cpu(*buf); - } - - return num; -} - -/* Put an array of dwords in to main memory */ -static inline int put_dwords(EHCIState *ehci, uint32_t addr, - uint32_t *buf, int num) -{ - int i; - - if (!ehci->dma) { - ehci_raise_irq(ehci, USBSTS_HSE); - ehci->usbcmd &= ~USBCMD_RUNSTOP; - trace_usb_ehci_dma_error(); - return -1; - } - - for(i = 0; i < num; i++, buf++, addr += sizeof(*buf)) { - uint32_t tmp = cpu_to_le32(*buf); - dma_memory_write(ehci->dma, addr, &tmp, sizeof(tmp)); - } - - return num; -} - /* * Write the qh back to guest physical memory. This step isn't * in the EHCI spec but we need to do it since we don't share |