Update XhcEvaluateContext/XhcEvaluateContext64 to properly initialize the input context for Evaluate Context command.
Signed-off-by: jdzhang <jdzh...@kunluntech.com.cn> --- MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c b/MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c index c2906e06fd..4f2e9c3f6b 100644 --- a/MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c +++ b/MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c @@ -3957,6 +3957,7 @@ XhcEvaluateContext ( CMD_TRB_EVALUATE_CONTEXT CmdTrbEvalu; EVT_TRB_COMMAND_COMPLETION *EvtTrb; INPUT_CONTEXT *InputContext; + DEVICE_CONTEXT *OutputContext; EFI_PHYSICAL_ADDRESS PhyAddr; ASSERT (Xhc->UsbDevContext[SlotId].SlotId != 0); @@ -3965,10 +3966,14 @@ XhcEvaluateContext ( // 4.6.7 Evaluate Context // InputContext = Xhc->UsbDevContext[SlotId].InputContext; + OutputContext = Xhc->UsbDevContext[SlotId].OutputContext; ZeroMem (InputContext, sizeof (INPUT_CONTEXT)); + CopyMem (&InputContext->EP[0], &OutputContext->EP[0], sizeof (ENDPOINT_CONTEXT)); + InputContext->InputControlContext.Dword2 |= BIT1; InputContext->EP[0].MaxPacketSize = MaxPacketSize; + InputContext->EP[0].EPState = 0; ZeroMem (&CmdTrbEvalu, sizeof (CmdTrbEvalu)); PhyAddr = UsbHcGetPciAddrForHostAddr (Xhc->MemPool, InputContext, sizeof (INPUT_CONTEXT)); @@ -4013,6 +4018,7 @@ XhcEvaluateContext64 ( CMD_TRB_EVALUATE_CONTEXT CmdTrbEvalu; EVT_TRB_COMMAND_COMPLETION *EvtTrb; INPUT_CONTEXT_64 *InputContext; + DEVICE_CONTEXT_64 *OutputContext; EFI_PHYSICAL_ADDRESS PhyAddr; ASSERT (Xhc->UsbDevContext[SlotId].SlotId != 0); @@ -4021,10 +4027,14 @@ XhcEvaluateContext64 ( // 4.6.7 Evaluate Context // InputContext = Xhc->UsbDevContext[SlotId].InputContext; + OutputContext = Xhc->UsbDevContext[SlotId].OutputContext; ZeroMem (InputContext, sizeof (INPUT_CONTEXT_64)); + CopyMem (&InputContext->EP[0], &OutputContext->EP[0], sizeof (ENDPOINT_CONTEXT_64)); + InputContext->InputControlContext.Dword2 |= BIT1; InputContext->EP[0].MaxPacketSize = MaxPacketSize; + InputContext->EP[0].EPState = 0; ZeroMem (&CmdTrbEvalu, sizeof (CmdTrbEvalu)); PhyAddr = UsbHcGetPciAddrForHostAddr (Xhc->MemPool, InputContext, sizeof (INPUT_CONTEXT_64)); -- 2.20.1.windows.1 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#94030): https://edk2.groups.io/g/devel/message/94030 Mute This Topic: https://groups.io/mt/93819720/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
