Hi Sumit, Sorry this got delayed by licensing, plugfest, and then some holiday (for me).
Reviewed-by: Leif Lindholm <[email protected]> Pushed as a0f01e8a22. / Leif On Mon, Oct 22, 2018 at 11:59:36AM +0530, Sumit Garg wrote: > Add following APIs to communicate with OP-TEE pseudo/early TAs: > 1. OpteeInit > 2. OpteeOpenSession > 3. OpteeCloseSession > 4. OpteeInvokeFunc > > Cc: Ard Biesheuvel <[email protected]> > Cc: Leif Lindholm <[email protected]> > Cc: Michael D Kinney <[email protected]> > Contributed-under: TianoCore Contribution Agreement 1.1 > Signed-off-by: Sumit Garg <[email protected]> > --- > ArmPkg/Library/OpteeLib/OpteeLib.inf | 2 + > ArmPkg/Include/Library/OpteeLib.h | 88 +++++ > ArmPkg/Library/OpteeLib/OpteeSmc.h | 53 +++ > ArmPkg/Library/OpteeLib/Optee.c | 392 ++++++++++++++++++++ > 4 files changed, 535 insertions(+) > > diff --git a/ArmPkg/Library/OpteeLib/OpteeLib.inf > b/ArmPkg/Library/OpteeLib/OpteeLib.inf > index 5abd427379cc..e03054a7167d 100644 > --- a/ArmPkg/Library/OpteeLib/OpteeLib.inf > +++ b/ArmPkg/Library/OpteeLib/OpteeLib.inf > @@ -23,11 +23,13 @@ [Defines] > > [Sources] > Optee.c > + OpteeSmc.h > > [Packages] > ArmPkg/ArmPkg.dec > MdePkg/MdePkg.dec > > [LibraryClasses] > + ArmMmuLib > ArmSmcLib > BaseLib > diff --git a/ArmPkg/Include/Library/OpteeLib.h > b/ArmPkg/Include/Library/OpteeLib.h > index f65d8674d9b8..6884d5681831 100644 > --- a/ArmPkg/Include/Library/OpteeLib.h > +++ b/ArmPkg/Include/Library/OpteeLib.h > @@ -25,10 +25,98 @@ > #define OPTEE_OS_UID2 0xaf630002 > #define OPTEE_OS_UID3 0xa5d5c51b > > +#define OPTEE_MESSAGE_ATTRIBUTE_TYPE_NONE 0x0 > +#define OPTEE_MESSAGE_ATTRIBUTE_TYPE_VALUE_INPUT 0x1 > +#define OPTEE_MESSAGE_ATTRIBUTE_TYPE_VALUE_OUTPUT 0x2 > +#define OPTEE_MESSAGE_ATTRIBUTE_TYPE_VALUE_INOUT 0x3 > +#define OPTEE_MESSAGE_ATTRIBUTE_TYPE_MEMORY_INPUT 0x9 > +#define OPTEE_MESSAGE_ATTRIBUTE_TYPE_MEMORY_OUTPUT 0xa > +#define OPTEE_MESSAGE_ATTRIBUTE_TYPE_MEMORY_INOUT 0xb > + > +#define OPTEE_MESSAGE_ATTRIBUTE_TYPE_MASK 0xff > + > +#define OPTEE_ORIGIN_COMMUNICATION 0x00000002 > +#define OPTEE_ERROR_COMMUNICATION 0xFFFF000E > + > +typedef struct { > + UINT64 BufferAddress; > + UINT64 Size; > + UINT64 SharedMemoryReference; > +} OPTEE_MESSAGE_PARAM_MEMORY; > + > +typedef struct { > + UINT64 A; > + UINT64 B; > + UINT64 C; > +} OPTEE_MESSAGE_PARAM_VALUE; > + > +typedef struct { > + UINT64 Attribute; > + union { > + OPTEE_MESSAGE_PARAM_MEMORY Memory; > + OPTEE_MESSAGE_PARAM_VALUE Value; > + } Union; > +} OPTEE_MESSAGE_PARAM; > + > +#define OPTEE_MAX_CALL_PARAMS 4 > + > +typedef struct { > + UINT32 Command; > + UINT32 Function; > + UINT32 Session; > + UINT32 CancelId; > + UINT32 Pad; > + UINT32 Return; > + UINT32 ReturnOrigin; > + UINT32 NumParams; > + > + // NumParams tells the actual number of element in Params > + OPTEE_MESSAGE_PARAM Params[OPTEE_MAX_CALL_PARAMS]; > +} OPTEE_MESSAGE_ARG; > + > +typedef struct { > + EFI_GUID Uuid; // [in] GUID/UUID of the Trusted Application > + UINT32 Session; // [out] Session id > + UINT32 Return; // [out] Return value > + UINT32 ReturnOrigin; // [out] Origin of the return value > +} OPTEE_OPEN_SESSION_ARG; > + > +typedef struct { > + UINT32 Function; // [in] Trusted Application function, specific > to the TA > + UINT32 Session; // [in] Session id > + UINT32 Return; // [out] Return value > + UINT32 ReturnOrigin; // [out] Origin of the return value > + OPTEE_MESSAGE_PARAM Params[OPTEE_MAX_CALL_PARAMS]; // Params for function > to be invoked > +} OPTEE_INVOKE_FUNCTION_ARG; > + > BOOLEAN > EFIAPI > IsOpteePresent ( > VOID > ); > > +EFI_STATUS > +EFIAPI > +OpteeInit ( > + VOID > + ); > + > +EFI_STATUS > +EFIAPI > +OpteeOpenSession ( > + IN OUT OPTEE_OPEN_SESSION_ARG *OpenSessionArg > + ); > + > +EFI_STATUS > +EFIAPI > +OpteeCloseSession ( > + IN UINT32 Session > + ); > + > +EFI_STATUS > +EFIAPI > +OpteeInvokeFunction ( > + IN OUT OPTEE_INVOKE_FUNCTION_ARG *InvokeFunctionArg > + ); > + > #endif > diff --git a/ArmPkg/Library/OpteeLib/OpteeSmc.h > b/ArmPkg/Library/OpteeLib/OpteeSmc.h > new file mode 100644 > index 000000000000..9cccd81810c9 > --- /dev/null > +++ b/ArmPkg/Library/OpteeLib/OpteeSmc.h > @@ -0,0 +1,53 @@ > +/** @file > + OP-TEE SMC header file. > + > + Copyright (c) 2018, Linaro Ltd. All rights reserved.<BR> > + > + This program and the accompanying materials > + are licensed and made available under the terms and conditions of the BSD > License > + which accompanies this distribution. The full text of the license may be > found at > + http://opensource.org/licenses/bsd-license.php > + > + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, > + WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR > IMPLIED. > + > +**/ > + > +#ifndef _OPTEE_SMC_H_ > +#define _OPTEE_SMC_H_ > + > +/* Returned in Arg0 only from Trusted OS functions */ > +#define OPTEE_SMC_RETURN_OK 0x0 > + > +#define OPTEE_SMC_RETURN_FROM_RPC 0x32000003 > +#define OPTEE_SMC_CALL_WITH_ARG 0x32000004 > +#define OPTEE_SMC_GET_SHARED_MEMORY_CONFIG 0xb2000007 > + > +#define OPTEE_SMC_SHARED_MEMORY_CACHED 1 > + > +#define OPTEE_SMC_RETURN_RPC_FOREIGN_INTERRUPT 0xffff0004 > + > +#define OPTEE_MESSAGE_COMMAND_OPEN_SESSION 0 > +#define OPTEE_MESSAGE_COMMAND_INVOKE_FUNCTION 1 > +#define OPTEE_MESSAGE_COMMAND_CLOSE_SESSION 2 > + > +#define OPTEE_MESSAGE_ATTRIBUTE_META 0x100 > + > +#define OPTEE_LOGIN_PUBLIC 0x0 > + > +typedef struct { > + UINTN Base; > + UINTN Size; > +} OPTEE_SHARED_MEMORY_INFORMATION; > + > +// > +// UUID struct compliant with RFC4122 (network byte order). > +// > +typedef struct { > + UINT32 Data1; > + UINT16 Data2; > + UINT16 Data3; > + UINT8 Data4[8]; > +} RFC4122_UUID; > + > +#endif > diff --git a/ArmPkg/Library/OpteeLib/Optee.c b/ArmPkg/Library/OpteeLib/Optee.c > index 574527f8b5ea..8ac31cb28266 100644 > --- a/ArmPkg/Library/OpteeLib/Optee.c > +++ b/ArmPkg/Library/OpteeLib/Optee.c > @@ -14,11 +14,18 @@ > > **/ > > +#include <Library/ArmMmuLib.h> > #include <Library/ArmSmcLib.h> > +#include <Library/BaseMemoryLib.h> > #include <Library/BaseLib.h> > +#include <Library/DebugLib.h> > #include <Library/OpteeLib.h> > > #include <IndustryStandard/ArmStdSmc.h> > +#include <OpteeSmc.h> > +#include <Uefi.h> > + > +STATIC OPTEE_SHARED_MEMORY_INFORMATION OpteeSharedMemoryInformation = { 0 }; > > /** > Check for OP-TEE presence. > @@ -31,6 +38,7 @@ IsOpteePresent ( > { > ARM_SMC_ARGS ArmSmcArgs; > > + ZeroMem (&ArmSmcArgs, sizeof (ARM_SMC_ARGS)); > // Send a Trusted OS Calls UID command > ArmSmcArgs.Arg0 = ARM_SMC_ID_TOS_UID; > ArmCallSmc (&ArmSmcArgs); > @@ -44,3 +52,387 @@ IsOpteePresent ( > return FALSE; > } > } > + > +STATIC > +EFI_STATUS > +OpteeSharedMemoryRemap ( > + VOID > + ) > +{ > + ARM_SMC_ARGS ArmSmcArgs; > + EFI_PHYSICAL_ADDRESS PhysicalAddress; > + EFI_PHYSICAL_ADDRESS Start; > + EFI_PHYSICAL_ADDRESS End; > + EFI_STATUS Status; > + UINTN Size; > + > + ZeroMem (&ArmSmcArgs, sizeof (ARM_SMC_ARGS)); > + ArmSmcArgs.Arg0 = OPTEE_SMC_GET_SHARED_MEMORY_CONFIG; > + > + ArmCallSmc (&ArmSmcArgs); > + if (ArmSmcArgs.Arg0 != OPTEE_SMC_RETURN_OK) { > + DEBUG ((DEBUG_WARN, "OP-TEE shared memory not supported\n")); > + return EFI_UNSUPPORTED; > + } > + > + if (ArmSmcArgs.Arg3 != OPTEE_SMC_SHARED_MEMORY_CACHED) { > + DEBUG ((DEBUG_WARN, "OP-TEE: Only normal cached shared memory > supported\n")); > + return EFI_UNSUPPORTED; > + } > + > + Start = (ArmSmcArgs.Arg1 + SIZE_4KB - 1) & ~(SIZE_4KB - 1); > + End = (ArmSmcArgs.Arg1 + ArmSmcArgs.Arg2) & ~(SIZE_4KB - 1); > + PhysicalAddress = Start; > + Size = End - Start; > + > + if (Size < SIZE_4KB) { > + DEBUG ((DEBUG_WARN, "OP-TEE shared memory too small\n")); > + return EFI_BUFFER_TOO_SMALL; > + } > + > + Status = ArmSetMemoryAttributes (PhysicalAddress, Size, EFI_MEMORY_WB); > + if (EFI_ERROR (Status)) { > + return Status; > + } > + > + OpteeSharedMemoryInformation.Base = (UINTN)PhysicalAddress; > + OpteeSharedMemoryInformation.Size = Size; > + > + return EFI_SUCCESS; > +} > + > +EFI_STATUS > +EFIAPI > +OpteeInit ( > + VOID > + ) > +{ > + EFI_STATUS Status; > + > + if (!IsOpteePresent ()) { > + DEBUG ((DEBUG_WARN, "OP-TEE not present\n")); > + return EFI_UNSUPPORTED; > + } > + > + Status = OpteeSharedMemoryRemap (); > + if (EFI_ERROR (Status)) { > + DEBUG ((DEBUG_WARN, "OP-TEE shared memory remap failed\n")); > + return Status; > + } > + > + return EFI_SUCCESS; > +} > + > +/** > + Does Standard SMC to OP-TEE in secure world. > + > + @param[in] PhysicalArg Physical address of message to pass to secure > world > + > + @return 0 on success, secure world return code otherwise > + > +**/ > +STATIC > +UINT32 > +OpteeCallWithArg ( > + IN EFI_PHYSICAL_ADDRESS PhysicalArg > + ) > +{ > + ARM_SMC_ARGS ArmSmcArgs; > + > + ZeroMem (&ArmSmcArgs, sizeof (ARM_SMC_ARGS)); > + ArmSmcArgs.Arg0 = OPTEE_SMC_CALL_WITH_ARG; > + ArmSmcArgs.Arg1 = (UINT32)(PhysicalArg >> 32); > + ArmSmcArgs.Arg2 = (UINT32)PhysicalArg; > + > + while (TRUE) { > + ArmCallSmc (&ArmSmcArgs); > + > + if (ArmSmcArgs.Arg0 == OPTEE_SMC_RETURN_RPC_FOREIGN_INTERRUPT) { > + // > + // A foreign interrupt was raised while secure world was > + // executing, since they are handled in UEFI a dummy RPC is > + // performed to let UEFI take the interrupt through the normal > + // vector. > + // > + ArmSmcArgs.Arg0 = OPTEE_SMC_RETURN_FROM_RPC; > + } else { > + break; > + } > + } > + > + return ArmSmcArgs.Arg0; > +} > + > +STATIC > +VOID > +EfiGuidToRfc4122Uuid ( > + OUT RFC4122_UUID *Rfc4122Uuid, > + IN EFI_GUID *Guid > + ) > +{ > + Rfc4122Uuid->Data1 = SwapBytes32 (Guid->Data1); > + Rfc4122Uuid->Data2 = SwapBytes16 (Guid->Data2); > + Rfc4122Uuid->Data3 = SwapBytes16 (Guid->Data3); > + CopyMem (Rfc4122Uuid->Data4, Guid->Data4, sizeof (Rfc4122Uuid->Data4)); > +} > + > +EFI_STATUS > +EFIAPI > +OpteeOpenSession ( > + IN OUT OPTEE_OPEN_SESSION_ARG *OpenSessionArg > + ) > +{ > + OPTEE_MESSAGE_ARG *MessageArg; > + > + MessageArg = NULL; > + > + if (OpteeSharedMemoryInformation.Base == 0) { > + DEBUG ((DEBUG_WARN, "OP-TEE not initialized\n")); > + return EFI_NOT_STARTED; > + } > + > + MessageArg = (OPTEE_MESSAGE_ARG *)OpteeSharedMemoryInformation.Base; > + ZeroMem (MessageArg, sizeof (OPTEE_MESSAGE_ARG)); > + > + MessageArg->Command = OPTEE_MESSAGE_COMMAND_OPEN_SESSION; > + > + // > + // Initialize and add the meta parameters needed when opening a > + // session. > + // > + MessageArg->Params[0].Attribute = OPTEE_MESSAGE_ATTRIBUTE_TYPE_VALUE_INPUT > | > + OPTEE_MESSAGE_ATTRIBUTE_META; > + MessageArg->Params[1].Attribute = OPTEE_MESSAGE_ATTRIBUTE_TYPE_VALUE_INPUT > | > + OPTEE_MESSAGE_ATTRIBUTE_META; > + EfiGuidToRfc4122Uuid ( > + (RFC4122_UUID *)&MessageArg->Params[0].Union.Value, > + &OpenSessionArg->Uuid > + ); > + ZeroMem (&MessageArg->Params[1].Union.Value, sizeof (EFI_GUID)); > + MessageArg->Params[1].Union.Value.C = OPTEE_LOGIN_PUBLIC; > + > + MessageArg->NumParams = 2; > + > + if (OpteeCallWithArg ((EFI_PHYSICAL_ADDRESS)MessageArg)) { > + MessageArg->Return = OPTEE_ERROR_COMMUNICATION; > + MessageArg->ReturnOrigin = OPTEE_ORIGIN_COMMUNICATION; > + } > + > + OpenSessionArg->Session = MessageArg->Session; > + OpenSessionArg->Return = MessageArg->Return; > + OpenSessionArg->ReturnOrigin = MessageArg->ReturnOrigin; > + > + return EFI_SUCCESS; > +} > + > +EFI_STATUS > +EFIAPI > +OpteeCloseSession ( > + IN UINT32 Session > + ) > +{ > + OPTEE_MESSAGE_ARG *MessageArg; > + > + MessageArg = NULL; > + > + if (OpteeSharedMemoryInformation.Base == 0) { > + DEBUG ((DEBUG_WARN, "OP-TEE not initialized\n")); > + return EFI_NOT_STARTED; > + } > + > + MessageArg = (OPTEE_MESSAGE_ARG *)OpteeSharedMemoryInformation.Base; > + ZeroMem (MessageArg, sizeof (OPTEE_MESSAGE_ARG)); > + > + MessageArg->Command = OPTEE_MESSAGE_COMMAND_CLOSE_SESSION; > + MessageArg->Session = Session; > + > + OpteeCallWithArg ((EFI_PHYSICAL_ADDRESS)MessageArg); > + > + return EFI_SUCCESS; > +} > + > +STATIC > +EFI_STATUS > +OpteeToMessageParam ( > + OUT OPTEE_MESSAGE_PARAM *MessageParams, > + IN UINT32 NumParams, > + IN OPTEE_MESSAGE_PARAM *InParams > + ) > +{ > + UINT32 Idx; > + UINTN ParamSharedMemoryAddress; > + UINTN SharedMemorySize; > + UINTN Size; > + > + Size = (sizeof (OPTEE_MESSAGE_ARG) + sizeof (UINT64) - 1) & > + ~(sizeof (UINT64) - 1); > + ParamSharedMemoryAddress = OpteeSharedMemoryInformation.Base + Size; > + SharedMemorySize = OpteeSharedMemoryInformation.Size - Size; > + > + for (Idx = 0; Idx < NumParams; Idx++) { > + CONST OPTEE_MESSAGE_PARAM *InParam; > + OPTEE_MESSAGE_PARAM *MessageParam; > + UINT32 Attribute; > + > + InParam = InParams + Idx; > + MessageParam = MessageParams + Idx; > + Attribute = InParam->Attribute & OPTEE_MESSAGE_ATTRIBUTE_TYPE_MASK; > + > + switch (Attribute) { > + case OPTEE_MESSAGE_ATTRIBUTE_TYPE_NONE: > + MessageParam->Attribute = OPTEE_MESSAGE_ATTRIBUTE_TYPE_NONE; > + ZeroMem (&MessageParam->Union, sizeof (MessageParam->Union)); > + break; > + > + case OPTEE_MESSAGE_ATTRIBUTE_TYPE_VALUE_INPUT: > + case OPTEE_MESSAGE_ATTRIBUTE_TYPE_VALUE_OUTPUT: > + case OPTEE_MESSAGE_ATTRIBUTE_TYPE_VALUE_INOUT: > + MessageParam->Attribute = Attribute; > + MessageParam->Union.Value.A = InParam->Union.Value.A; > + MessageParam->Union.Value.B = InParam->Union.Value.B; > + MessageParam->Union.Value.C = InParam->Union.Value.C; > + break; > + > + case OPTEE_MESSAGE_ATTRIBUTE_TYPE_MEMORY_INPUT: > + case OPTEE_MESSAGE_ATTRIBUTE_TYPE_MEMORY_OUTPUT: > + case OPTEE_MESSAGE_ATTRIBUTE_TYPE_MEMORY_INOUT: > + MessageParam->Attribute = Attribute; > + > + if (InParam->Union.Memory.Size > SharedMemorySize) { > + return EFI_OUT_OF_RESOURCES; > + } > + > + CopyMem ( > + (VOID *)ParamSharedMemoryAddress, > + (VOID *)InParam->Union.Memory.BufferAddress, > + InParam->Union.Memory.Size > + ); > + MessageParam->Union.Memory.BufferAddress = > (UINT64)ParamSharedMemoryAddress; > + MessageParam->Union.Memory.Size = InParam->Union.Memory.Size; > + > + Size = (InParam->Union.Memory.Size + sizeof (UINT64) - 1) & > + ~(sizeof (UINT64) - 1); > + ParamSharedMemoryAddress += Size; > + SharedMemorySize -= Size; > + break; > + > + default: > + return EFI_INVALID_PARAMETER; > + } > + } > + > + return EFI_SUCCESS; > +} > + > +STATIC > +EFI_STATUS > +OpteeFromMessageParam ( > + OUT OPTEE_MESSAGE_PARAM *OutParams, > + IN UINT32 NumParams, > + IN OPTEE_MESSAGE_PARAM *MessageParams > + ) > +{ > + UINT32 Idx; > + > + for (Idx = 0; Idx < NumParams; Idx++) { > + OPTEE_MESSAGE_PARAM *OutParam; > + CONST OPTEE_MESSAGE_PARAM *MessageParam; > + UINT32 Attribute; > + > + OutParam = OutParams + Idx; > + MessageParam = MessageParams + Idx; > + Attribute = MessageParam->Attribute & OPTEE_MESSAGE_ATTRIBUTE_TYPE_MASK; > + > + switch (Attribute) { > + case OPTEE_MESSAGE_ATTRIBUTE_TYPE_NONE: > + OutParam->Attribute = OPTEE_MESSAGE_ATTRIBUTE_TYPE_NONE; > + ZeroMem (&OutParam->Union, sizeof (OutParam->Union)); > + break; > + > + case OPTEE_MESSAGE_ATTRIBUTE_TYPE_VALUE_INPUT: > + case OPTEE_MESSAGE_ATTRIBUTE_TYPE_VALUE_OUTPUT: > + case OPTEE_MESSAGE_ATTRIBUTE_TYPE_VALUE_INOUT: > + OutParam->Attribute = Attribute; > + OutParam->Union.Value.A = MessageParam->Union.Value.A; > + OutParam->Union.Value.B = MessageParam->Union.Value.B; > + OutParam->Union.Value.C = MessageParam->Union.Value.C; > + break; > + > + case OPTEE_MESSAGE_ATTRIBUTE_TYPE_MEMORY_INPUT: > + case OPTEE_MESSAGE_ATTRIBUTE_TYPE_MEMORY_OUTPUT: > + case OPTEE_MESSAGE_ATTRIBUTE_TYPE_MEMORY_INOUT: > + OutParam->Attribute = Attribute; > + > + if (MessageParam->Union.Memory.Size > OutParam->Union.Memory.Size) { > + return EFI_BAD_BUFFER_SIZE; > + } > + > + CopyMem ( > + (VOID *)OutParam->Union.Memory.BufferAddress, > + (VOID *)MessageParam->Union.Memory.BufferAddress, > + MessageParam->Union.Memory.Size > + ); > + OutParam->Union.Memory.Size = MessageParam->Union.Memory.Size; > + break; > + > + default: > + return EFI_INVALID_PARAMETER; > + } > + } > + > + return EFI_SUCCESS; > +} > + > +EFI_STATUS > +EFIAPI > +OpteeInvokeFunction ( > + IN OUT OPTEE_INVOKE_FUNCTION_ARG *InvokeFunctionArg > + ) > +{ > + EFI_STATUS Status; > + OPTEE_MESSAGE_ARG *MessageArg; > + > + MessageArg = NULL; > + > + if (OpteeSharedMemoryInformation.Base == 0) { > + DEBUG ((DEBUG_WARN, "OP-TEE not initialized\n")); > + return EFI_NOT_STARTED; > + } > + > + MessageArg = (OPTEE_MESSAGE_ARG *)OpteeSharedMemoryInformation.Base; > + ZeroMem (MessageArg, sizeof (OPTEE_MESSAGE_ARG)); > + > + MessageArg->Command = OPTEE_MESSAGE_COMMAND_INVOKE_FUNCTION; > + MessageArg->Function = InvokeFunctionArg->Function; > + MessageArg->Session = InvokeFunctionArg->Session; > + > + Status = OpteeToMessageParam ( > + MessageArg->Params, > + OPTEE_MAX_CALL_PARAMS, > + InvokeFunctionArg->Params > + ); > + if (Status) { > + return Status; > + } > + > + MessageArg->NumParams = OPTEE_MAX_CALL_PARAMS; > + > + if (OpteeCallWithArg ((EFI_PHYSICAL_ADDRESS)MessageArg)) { > + MessageArg->Return = OPTEE_ERROR_COMMUNICATION; > + MessageArg->ReturnOrigin = OPTEE_ORIGIN_COMMUNICATION; > + } > + > + if (OpteeFromMessageParam ( > + InvokeFunctionArg->Params, > + OPTEE_MAX_CALL_PARAMS, > + MessageArg->Params > + )) { > + MessageArg->Return = OPTEE_ERROR_COMMUNICATION; > + MessageArg->ReturnOrigin = OPTEE_ORIGIN_COMMUNICATION; > + } > + > + InvokeFunctionArg->Return = MessageArg->Return; > + InvokeFunctionArg->ReturnOrigin = MessageArg->ReturnOrigin; > + > + return EFI_SUCCESS; > +} > -- > 2.7.4 > _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel
