diff options
Diffstat (limited to 'hw/usb/hcd-dwc2.c')
-rw-r--r-- | hw/usb/hcd-dwc2.c | 100 |
1 files changed, 81 insertions, 19 deletions
diff --git a/hw/usb/hcd-dwc2.c b/hw/usb/hcd-dwc2.c index 97688d21bf..64c23c1ed0 100644 --- a/hw/usb/hcd-dwc2.c +++ b/hw/usb/hcd-dwc2.c @@ -238,7 +238,12 @@ static void dwc2_handle_packet(DWC2State *s, uint32_t devadr, USBDevice *dev, pid = get_field(hctsiz, TSIZ_SC_MC_PID); pcnt = get_field(hctsiz, TSIZ_PKTCNT); len = get_field(hctsiz, TSIZ_XFERSIZE); - assert(len <= DWC2_MAX_XFER_SIZE); + if (len > DWC2_MAX_XFER_SIZE) { + qemu_log_mask(LOG_GUEST_ERROR, + "%s: HCTSIZ transfer size too large\n", __func__); + return; + } + chan = index >> 3; p = &s->packet[chan]; @@ -663,7 +668,12 @@ static uint64_t dwc2_glbreg_read(void *ptr, hwaddr addr, int index, DWC2State *s = ptr; uint32_t val; - assert(addr <= GINTSTS2); + if (addr > GINTSTS2) { + qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset 0x%"HWADDR_PRIx"\n", + __func__, addr); + return 0; + } + val = s->glbreg[index]; switch (addr) { @@ -690,7 +700,12 @@ static void dwc2_glbreg_write(void *ptr, hwaddr addr, int index, uint64_t val, uint32_t old; int iflg = 0; - assert(addr <= GINTSTS2); + if (addr > GINTSTS2) { + qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset 0x%"HWADDR_PRIx"\n", + __func__, addr); + return; + } + mmio = &s->glbreg[index]; old = *mmio; @@ -715,27 +730,34 @@ static void dwc2_glbreg_write(void *ptr, hwaddr addr, int index, uint64_t val, val &= ~GRSTCTL_DMAREQ; if (!(old & GRSTCTL_TXFFLSH) && (val & GRSTCTL_TXFFLSH)) { /* TODO - TX fifo flush */ - qemu_log_mask(LOG_UNIMP, "Tx FIFO flush not implemented\n"); + qemu_log_mask(LOG_UNIMP, "%s: Tx FIFO flush not implemented\n", + __func__); } if (!(old & GRSTCTL_RXFFLSH) && (val & GRSTCTL_RXFFLSH)) { /* TODO - RX fifo flush */ - qemu_log_mask(LOG_UNIMP, "Rx FIFO flush not implemented\n"); + qemu_log_mask(LOG_UNIMP, "%s: Rx FIFO flush not implemented\n", + __func__); } if (!(old & GRSTCTL_IN_TKNQ_FLSH) && (val & GRSTCTL_IN_TKNQ_FLSH)) { /* TODO - device IN token queue flush */ - qemu_log_mask(LOG_UNIMP, "Token queue flush not implemented\n"); + qemu_log_mask(LOG_UNIMP, "%s: Token queue flush not implemented\n", + __func__); } if (!(old & GRSTCTL_FRMCNTRRST) && (val & GRSTCTL_FRMCNTRRST)) { /* TODO - host frame counter reset */ - qemu_log_mask(LOG_UNIMP, "Frame counter reset not implemented\n"); + qemu_log_mask(LOG_UNIMP, + "%s: Frame counter reset not implemented\n", + __func__); } if (!(old & GRSTCTL_HSFTRST) && (val & GRSTCTL_HSFTRST)) { /* TODO - host soft reset */ - qemu_log_mask(LOG_UNIMP, "Host soft reset not implemented\n"); + qemu_log_mask(LOG_UNIMP, "%s: Host soft reset not implemented\n", + __func__); } if (!(old & GRSTCTL_CSFTRST) && (val & GRSTCTL_CSFTRST)) { /* TODO - core soft reset */ - qemu_log_mask(LOG_UNIMP, "Core soft reset not implemented\n"); + qemu_log_mask(LOG_UNIMP, "%s: Core soft reset not implemented\n", + __func__); } /* don't allow clearing of self-clearing bits */ val |= old & (GRSTCTL_TXFFLSH | GRSTCTL_RXFFLSH | @@ -774,7 +796,12 @@ static uint64_t dwc2_fszreg_read(void *ptr, hwaddr addr, int index, DWC2State *s = ptr; uint32_t val; - assert(addr == HPTXFSIZ); + if (addr != HPTXFSIZ) { + qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset 0x%"HWADDR_PRIx"\n", + __func__, addr); + return 0; + } + val = s->fszreg[index]; trace_usb_dwc2_fszreg_read(addr, val); @@ -789,7 +816,12 @@ static void dwc2_fszreg_write(void *ptr, hwaddr addr, int index, uint64_t val, uint32_t *mmio; uint32_t old; - assert(addr == HPTXFSIZ); + if (addr != HPTXFSIZ) { + qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset 0x%"HWADDR_PRIx"\n", + __func__, addr); + return; + } + mmio = &s->fszreg[index]; old = *mmio; @@ -810,7 +842,12 @@ static uint64_t dwc2_hreg0_read(void *ptr, hwaddr addr, int index, DWC2State *s = ptr; uint32_t val; - assert(addr >= HCFG && addr <= HPRT0); + if (addr < HCFG || addr > HPRT0) { + qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset 0x%"HWADDR_PRIx"\n", + __func__, addr); + return 0; + } + val = s->hreg0[index]; switch (addr) { @@ -837,7 +874,12 @@ static void dwc2_hreg0_write(void *ptr, hwaddr addr, int index, uint64_t val, int prst = 0; int iflg = 0; - assert(addr >= HCFG && addr <= HPRT0); + if (addr < HCFG || addr > HPRT0) { + qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset 0x%"HWADDR_PRIx"\n", + __func__, addr); + return; + } + mmio = &s->hreg0[index]; old = *mmio; @@ -923,7 +965,12 @@ static uint64_t dwc2_hreg1_read(void *ptr, hwaddr addr, int index, DWC2State *s = ptr; uint32_t val; - assert(addr >= HCCHAR(0) && addr <= HCDMAB(DWC2_NB_CHAN - 1)); + if (addr < HCCHAR(0) || addr > HCDMAB(DWC2_NB_CHAN - 1)) { + qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset 0x%"HWADDR_PRIx"\n", + __func__, addr); + return 0; + } + val = s->hreg1[index]; trace_usb_dwc2_hreg1_read(addr, hreg1nm[index & 7], addr >> 5, val); @@ -941,7 +988,12 @@ static void dwc2_hreg1_write(void *ptr, hwaddr addr, int index, uint64_t val, int enflg = 0; int disflg = 0; - assert(addr >= HCCHAR(0) && addr <= HCDMAB(DWC2_NB_CHAN - 1)); + if (addr < HCCHAR(0) || addr > HCDMAB(DWC2_NB_CHAN - 1)) { + qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset 0x%"HWADDR_PRIx"\n", + __func__, addr); + return; + } + mmio = &s->hreg1[index]; old = *mmio; @@ -1008,7 +1060,12 @@ static uint64_t dwc2_pcgreg_read(void *ptr, hwaddr addr, int index, DWC2State *s = ptr; uint32_t val; - assert(addr >= PCGCTL && addr <= PCGCCTL1); + if (addr < PCGCTL || addr > PCGCCTL1) { + qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset 0x%"HWADDR_PRIx"\n", + __func__, addr); + return 0; + } + val = s->pcgreg[index]; trace_usb_dwc2_pcgreg_read(addr, pcgregnm[index], val); @@ -1023,7 +1080,12 @@ static void dwc2_pcgreg_write(void *ptr, hwaddr addr, int index, uint32_t *mmio; uint32_t old; - assert(addr >= PCGCTL && addr <= PCGCCTL1); + if (addr < PCGCTL || addr > PCGCCTL1) { + qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset 0x%"HWADDR_PRIx"\n", + __func__, addr); + return; + } + mmio = &s->pcgreg[index]; old = *mmio; @@ -1108,7 +1170,7 @@ static uint64_t dwc2_hreg2_read(void *ptr, hwaddr addr, unsigned size) { /* TODO - implement FIFOs to support slave mode */ trace_usb_dwc2_hreg2_read(addr, addr >> 12, 0); - qemu_log_mask(LOG_UNIMP, "FIFO read not implemented\n"); + qemu_log_mask(LOG_UNIMP, "%s: FIFO read not implemented\n", __func__); return 0; } @@ -1119,7 +1181,7 @@ static void dwc2_hreg2_write(void *ptr, hwaddr addr, uint64_t val, /* TODO - implement FIFOs to support slave mode */ trace_usb_dwc2_hreg2_write(addr, addr >> 12, orig, 0, val); - qemu_log_mask(LOG_UNIMP, "FIFO write not implemented\n"); + qemu_log_mask(LOG_UNIMP, "%s: FIFO write not implemented\n", __func__); } static const MemoryRegionOps dwc2_mmio_hreg2_ops = { |