diff options
| author | Peter Maydell <peter.maydell@linaro.org> | 2016-02-02 17:01:56 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2016-02-02 17:01:56 +0000 |
| commit | 3bb1e822ca7c8b48ac80cb7bd53af94c91c949e7 (patch) | |
| tree | c1bce2f8a57206afc2406a7ab9a603f99ff4bade /hw | |
| parent | d2ea854c382d4d080de1f149167e60290108f79b (diff) | |
| parent | 5a8660741a8aa19fbf8a5e8a2b3aac88664f4e66 (diff) | |
Merge remote-tracking branch 'remotes/kraxel/tags/pull-usb-20160202-1' into staging
usb: two ehci fixes.
# gpg: Signature made Tue 02 Feb 2016 13:12:00 GMT using RSA key ID D3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg: aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>"
* remotes/kraxel/tags/pull-usb-20160202-1:
ehci: update irq on reset
usb: check page select value while processing iTD
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/usb/hcd-ehci.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/hw/usb/hcd-ehci.c b/hw/usb/hcd-ehci.c index ab002680c7..1b50601fc1 100644 --- a/hw/usb/hcd-ehci.c +++ b/hw/usb/hcd-ehci.c @@ -866,6 +866,7 @@ void ehci_reset(void *opaque) s->usbsts = USBSTS_HALT; s->usbsts_pending = 0; s->usbsts_frindex = 0; + ehci_update_irq(s); s->astate = EST_INACTIVE; s->pstate = EST_INACTIVE; @@ -1405,21 +1406,23 @@ static int ehci_process_itd(EHCIState *ehci, if (itd->transact[i] & ITD_XACT_ACTIVE) { pg = get_field(itd->transact[i], ITD_XACT_PGSEL); off = itd->transact[i] & ITD_XACT_OFFSET_MASK; - ptr1 = (itd->bufptr[pg] & ITD_BUFPTR_MASK); - ptr2 = (itd->bufptr[pg+1] & ITD_BUFPTR_MASK); len = get_field(itd->transact[i], ITD_XACT_LENGTH); if (len > max * mult) { len = max * mult; } - - if (len > BUFF_SIZE) { + if (len > BUFF_SIZE || pg > 6) { return -1; } + ptr1 = (itd->bufptr[pg] & ITD_BUFPTR_MASK); qemu_sglist_init(&ehci->isgl, ehci->device, 2, ehci->as); if (off + len > 4096) { /* transfer crosses page border */ + if (pg == 6) { + return -1; /* avoid page pg + 1 */ + } + ptr2 = (itd->bufptr[pg + 1] & ITD_BUFPTR_MASK); uint32_t len2 = off + len - 4096; uint32_t len1 = len - len2; qemu_sglist_add(&ehci->isgl, ptr1 + off, len1); |