diff options
Diffstat (limited to 'qemu/hw/usb/hcd-uhci.c')
-rw-r--r-- | qemu/hw/usb/hcd-uhci.c | 30 |
1 files changed, 21 insertions, 9 deletions
diff --git a/qemu/hw/usb/hcd-uhci.c b/qemu/hw/usb/hcd-uhci.c index 3f0ed6268..ca72a80f2 100644 --- a/qemu/hw/usb/hcd-uhci.c +++ b/qemu/hw/usb/hcd-uhci.c @@ -25,10 +25,12 @@ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ +#include "qemu/osdep.h" #include "hw/hw.h" #include "hw/usb.h" #include "hw/usb/uhci-regs.h" #include "hw/pci/pci.h" +#include "qapi/error.h" #include "qemu/timer.h" #include "qemu/iov.h" #include "sysemu/dma.h" @@ -401,7 +403,7 @@ static int uhci_post_load(void *opaque, int version_id) if (version_id < 2) { s->expire_time = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + - (get_ticks_per_sec() / FRAME_TIMER_FREQ); + (NANOSECONDS_PER_SECOND / FRAME_TIMER_FREQ); } return 0; } @@ -443,7 +445,7 @@ static void uhci_port_write(void *opaque, hwaddr addr, /* start frame processing */ trace_usb_uhci_schedule_start(); s->expire_time = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + - (get_ticks_per_sec() / FRAME_TIMER_FREQ); + (NANOSECONDS_PER_SECOND / FRAME_TIMER_FREQ); timer_mod(s->frame_timer, s->expire_time); s->status &= ~UHCI_STS_HCHALTED; } else if (!(val & UHCI_CMD_RS)) { @@ -772,8 +774,9 @@ static int uhci_handle_td(UHCIState *s, UHCIQueue *q, uint32_t qh_addr, bool spd; bool queuing = (q != NULL); uint8_t pid = td->token & 0xff; - UHCIAsync *async = uhci_async_find_td(s, td_addr); + UHCIAsync *async; + async = uhci_async_find_td(s, td_addr); if (async) { if (uhci_queue_verify(async->queue, qh_addr, td, td_addr, queuing)) { assert(q == NULL || q == async->queue); @@ -812,6 +815,19 @@ static int uhci_handle_td(UHCIState *s, UHCIQueue *q, uint32_t qh_addr, return TD_RESULT_NEXT_QH; } + switch (pid) { + case USB_TOKEN_OUT: + case USB_TOKEN_SETUP: + case USB_TOKEN_IN: + break; + default: + /* invalid pid : frame interrupted */ + s->status |= UHCI_STS_HCPERR; + s->cmd &= ~UHCI_CMD_RS; + uhci_update_irq(s); + return TD_RESULT_STOP_FRAME; + } + if (async) { if (queuing) { /* we are busy filling the queue, we are not prepared @@ -879,11 +895,7 @@ static int uhci_handle_td(UHCIState *s, UHCIQueue *q, uint32_t qh_addr, break; default: - /* invalid pid : frame interrupted */ - uhci_async_free(async); - s->status |= UHCI_STS_HCPERR; - uhci_update_irq(s); - return TD_RESULT_STOP_FRAME; + abort(); /* Never to execute */ } if (async->packet.status == USB_RET_ASYNC) { @@ -1119,7 +1131,7 @@ static void uhci_frame_timer(void *opaque) UHCIState *s = opaque; uint64_t t_now, t_last_run; int i, frames; - const uint64_t frame_t = get_ticks_per_sec() / FRAME_TIMER_FREQ; + const uint64_t frame_t = NANOSECONDS_PER_SECOND / FRAME_TIMER_FREQ; s->completions_only = false; qemu_bh_cancel(s->bh); |