Provide DxeIpl platform implementation-specifc library for RISC-V platform. Two
libraries are provided in this commit,
* Defualt library which simply switch stack and transfer
control to DXE core.
* Switch stack, privilege mode and then transfer control to
DXE core through RISC-V opensbi.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Abner Chang <abner.ch...@hpe.com>
---
MdeModulePkg/Core/DxeIplPeim/DxeIpl.inf | 9 ++++++++-
MdeModulePkg/Core/DxeIplPeim/RiscV64/DxeLoadFunc.c | 11 ++++-------
2 files changed, 12 insertions(+), 8 deletions(-)
diff --git a/MdeModulePkg/Core/DxeIplPeim/DxeIpl.inf
b/MdeModulePkg/Core/DxeIplPeim/DxeIpl.inf
index ea79536..b4c35e5 100644
--- a/MdeModulePkg/Core/DxeIplPeim/DxeIpl.inf
+++ b/MdeModulePkg/Core/DxeIplPeim/DxeIpl.inf
@@ -6,7 +6,7 @@
# needed to run the DXE Foundation.
#
# Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
-# Copyright (c) 2016, Hewlett Packard Enterprise Development LP. All rights
reserved.<BR>
+# Copyright (c) 2016 - 2019, Hewlett Packard Enterprise Development LP. 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
@@ -68,6 +68,9 @@
[Packages.ARM, Packages.AARCH64]
ArmPkg/ArmPkg.dec
+[Packages.RISCV64]
+ RiscVPkg/RiscVPkg.dec
+
[LibraryClasses]
PcdLib
MemoryAllocationLib
@@ -86,6 +89,10 @@
[LibraryClasses.ARM, LibraryClasses.AARCH64]
ArmLib
+[LibraryClasses.RISCV64]
+ RiscVPlatformDxeIplLib
+ RiscVOpensbiLib
+
[Ppis]
gEfiDxeIplPpiGuid ## PRODUCES
gEfiPeiDecompressPpiGuid ## PRODUCES
diff --git a/MdeModulePkg/Core/DxeIplPeim/RiscV64/DxeLoadFunc.c
b/MdeModulePkg/Core/DxeIplPeim/RiscV64/DxeLoadFunc.c
index 2d5c7b9..934dfa5 100644
--- a/MdeModulePkg/Core/DxeIplPeim/RiscV64/DxeLoadFunc.c
+++ b/MdeModulePkg/Core/DxeIplPeim/RiscV64/DxeLoadFunc.c
@@ -1,7 +1,7 @@
/** @file
RISC-V specific functionality for DxeLoad.
- Copyright (c) 2016, Hewlett Packard Enterprise Development LP. All rights
reserved.<BR>
+ Copyright (c) 2016 - 2019, Hewlett Packard Enterprise Development LP. All
rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD
License
@@ -13,6 +13,7 @@
**/
#include "DxeIpl.h"
+#include "Library/RiscVPlatformDxeIpl.h"
typedef
VOID*
@@ -70,10 +71,6 @@ HandOffToDxeCore (
//
// Transfer the control to the entry point of DxeCore.
//
- SwitchStack (
- (SWITCH_STACK_ENTRY_POINT)(UINTN)DxeCoreEntryPoint,
- HobList.Raw,
- NULL,
- TopOfStack
- );
+ RiscVPlatformHandOffToDxeCore (BaseOfStack, TopOfStack, DxeCoreEntryPoint,
HobList);
}
+
--
2.7.4
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