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efi_loader: Rename and correct values for ARM_SMC_MM_*

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Instead of adding the definition for the specific MM SVC used in
StandAloneMM we added the one used in the standard SMC calls.
So change the value from -4 to -5 to match the correct one defined in
EDK2 and rename them to avoid future confusion

Fixes 23a397d2e2: ("efi_loader: Add headers for EDK2 StandAloneMM communication")
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Ilias Apalodimas 2020-07-17 07:55:03 +03:00 • committed by Heinrich Schuchardt
parent ebbad02c1b
commit 5d1f79ba43
2 changed files with 11 additions and 11 deletions
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14
include/mm_communication.h
View file

@ -52,14 +52,14 @@ struct efi_mm_communicate_header {
#define MM_COMMUNICATE_HEADER_SIZE \
(sizeof(struct efi_mm_communicate_header))
/* Defined in EDK2 ArmPkg/Include/IndustryStandard/ArmStdSmc.h */
/* Defined in EDK2 ArmPkg/Include/IndustryStandard/ArmMmSvc.h */
/* MM return error codes */
#define ARM_SMC_MM_RET_SUCCESS 0
#define ARM_SMC_MM_RET_NOT_SUPPORTED -1
#define ARM_SMC_MM_RET_INVALID_PARAMS -2
#define ARM_SMC_MM_RET_DENIED -3
#define ARM_SMC_MM_RET_NO_MEMORY -4
/* SPM return error codes */
#define ARM_SVC_SPM_RET_SUCCESS 0
#define ARM_SVC_SPM_RET_NOT_SUPPORTED -1
#define ARM_SVC_SPM_RET_INVALID_PARAMS -2
#define ARM_SVC_SPM_RET_DENIED -3
#define ARM_SVC_SPM_RET_NO_MEMORY -5
/* Defined in EDK2 MdeModulePkg/Include/Guid/SmmVariableCommon.h */

8
lib/efi_loader/efi_variable_tee.c
View file

@ -106,19 +106,19 @@ static efi_status_t optee_mm_communicate(void *comm_buf, ulong dsize)
tee_close_session(conn.tee, conn.session);
switch (param[1].u.value.a) {
case ARM_SMC_MM_RET_SUCCESS:
case ARM_SVC_SPM_RET_SUCCESS:
ret = EFI_SUCCESS;
break;
case ARM_SMC_MM_RET_INVALID_PARAMS:
case ARM_SVC_SPM_RET_INVALID_PARAMS:
ret = EFI_INVALID_PARAMETER;
break;
case ARM_SMC_MM_RET_DENIED:
case ARM_SVC_SPM_RET_DENIED:
ret = EFI_ACCESS_DENIED;
break;
case ARM_SMC_MM_RET_NO_MEMORY:
case ARM_SVC_SPM_RET_NO_MEMORY:
ret = EFI_OUT_OF_RESOURCES;
break;