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ArmPkg: prepare 32bit ARM build of StandaloneMmPkg

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Changes in ArmPkg to prepare building StandaloneMm firmware for
32bit Arm architectures.

Adds ArmmmuStandaloneMmLib library to the list of the standard
components build for ArmPkg on when ARM architectures.

Changes path of source file AArch64/ArmMmuStandaloneMmLib.c
and compile it for both 32bit and 64bit architectures.

Signed-off-by: Etienne Carriere <etienne.carriere@linaro.org>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
This commit is contained in:
Etienne Carriere 2021-08-09 17:19:43 +02:00 committed by mergify[bot]
parent 03e19e6bc8
commit aee0098faf
4 changed files with 14 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
ArmPkg/ArmPkg.dec
View File

@ -137,7 +137,7 @@
# hardware coherency (i.e., no virtualization or cache coherent DMA)
gArmTokenSpaceGuid.PcdNormalMemoryNonshareableOverride|FALSE|BOOLEAN|0x00000043
[PcdsFeatureFlag.AARCH64]
[PcdsFeatureFlag.AARCH64, PcdsFeatureFlag.ARM]
## Used to select method for requesting services from S-EL1.<BR><BR>
# TRUE - Selects FF-A calls for communication between S-EL0 and SPMC.<BR>
# FALSE - Selects SVC calls for communication between S-EL0 and SPMC.<BR>

2
ArmPkg/ArmPkg.dsc
View File

@ -161,4 +161,6 @@
[Components.AARCH64]
ArmPkg/Drivers/MmCommunicationDxe/MmCommunication.inf
ArmPkg/Library/ArmMmuLib/ArmMmuPeiLib.inf
[Components.AARCH64, Components.ARM]
ArmPkg/Library/StandaloneMmMmuLib/ArmMmuStandaloneMmLib.inf

15
ArmPkg/Library/StandaloneMmMmuLib/AArch64/ArmMmuStandaloneMmLib.c → ArmPkg/Library/StandaloneMmMmuLib/ArmMmuStandaloneMmLib.c
View File

@ -2,6 +2,7 @@
File managing the MMU for ARMv8 architecture in S-EL0
Copyright (c) 2017 - 2021, Arm Limited. All rights reserved.<BR>
Copyright (c) 2021, Linaro Limited
SPDX-License-Identifier: BSD-2-Clause-Patent
@par Reference(s):
@ -62,7 +63,7 @@ SendMemoryPermissionRequest (
// for other Direct Request calls which are not atomic
// We therefore check only for Direct Response by the
// callee.
if (SvcArgs->Arg0 == ARM_SVC_ID_FFA_MSG_SEND_DIRECT_RESP_AARCH64) {
if (SvcArgs->Arg0 == ARM_SVC_ID_FFA_MSG_SEND_DIRECT_RESP) {
// A Direct Response means FF-A success
// Now check the payload for errors
// The callee sends back the return value
@ -164,13 +165,13 @@ GetMemoryPermissions (
ZeroMem (&SvcArgs, sizeof (ARM_SVC_ARGS));
if (FeaturePcdGet (PcdFfaEnable)) {
// See [2], Section 10.2 FFA_MSG_SEND_DIRECT_REQ.
SvcArgs.Arg0 = ARM_SVC_ID_FFA_MSG_SEND_DIRECT_REQ_AARCH64;
SvcArgs.Arg0 = ARM_SVC_ID_FFA_MSG_SEND_DIRECT_REQ;
SvcArgs.Arg1 = ARM_FFA_DESTINATION_ENDPOINT_ID;
SvcArgs.Arg2 = 0;
SvcArgs.Arg3 = ARM_SVC_ID_SP_GET_MEM_ATTRIBUTES_AARCH64;
SvcArgs.Arg3 = ARM_SVC_ID_SP_GET_MEM_ATTRIBUTES;
SvcArgs.Arg4 = BaseAddress;
} else {
SvcArgs.Arg0 = ARM_SVC_ID_SP_GET_MEM_ATTRIBUTES_AARCH64;
SvcArgs.Arg0 = ARM_SVC_ID_SP_GET_MEM_ATTRIBUTES;
SvcArgs.Arg1 = BaseAddress;
SvcArgs.Arg2 = 0;
SvcArgs.Arg3 = 0;
@ -219,15 +220,15 @@ RequestMemoryPermissionChange (
ZeroMem (&SvcArgs, sizeof (ARM_SVC_ARGS));
if (FeaturePcdGet (PcdFfaEnable)) {
// See [2], Section 10.2 FFA_MSG_SEND_DIRECT_REQ.
SvcArgs.Arg0 = ARM_SVC_ID_FFA_MSG_SEND_DIRECT_REQ_AARCH64;
SvcArgs.Arg0 = ARM_SVC_ID_FFA_MSG_SEND_DIRECT_REQ;
SvcArgs.Arg1 = ARM_FFA_DESTINATION_ENDPOINT_ID;
SvcArgs.Arg2 = 0;
SvcArgs.Arg3 = ARM_SVC_ID_SP_SET_MEM_ATTRIBUTES_AARCH64;
SvcArgs.Arg3 = ARM_SVC_ID_SP_SET_MEM_ATTRIBUTES;
SvcArgs.Arg4 = BaseAddress;
SvcArgs.Arg5 = EFI_SIZE_TO_PAGES (Length);
SvcArgs.Arg6 = Permissions;
} else {
SvcArgs.Arg0 = ARM_SVC_ID_SP_SET_MEM_ATTRIBUTES_AARCH64;
SvcArgs.Arg0 = ARM_SVC_ID_SP_SET_MEM_ATTRIBUTES;
SvcArgs.Arg1 = BaseAddress;
SvcArgs.Arg2 = EFI_SIZE_TO_PAGES (Length);
SvcArgs.Arg3 = Permissions;

6
ArmPkg/Library/StandaloneMmMmuLib/ArmMmuStandaloneMmLib.inf
View File

@ -16,14 +16,14 @@
LIBRARY_CLASS = StandaloneMmMmuLib
PI_SPECIFICATION_VERSION = 0x00010032
[Sources.AARCH64]
AArch64/ArmMmuStandaloneMmLib.c
[Sources]
ArmMmuStandaloneMmLib.c
[Packages]
ArmPkg/ArmPkg.dec
MdePkg/MdePkg.dec
[FeaturePcd.AARCH64]
[FeaturePcd.ARM, FeaturePcd.AARCH64]
gArmTokenSpaceGuid.PcdFfaEnable
[LibraryClasses]