* [PATCH v4 02/20] StandaloneMmPkg: StandaloneMmCoreEntryPoint: Extends support for X64
[not found] <20210126194506.2171-1-kun.q@outlook.com>
2021-01-26 19:44 ` [PATCH v4 01/20] BaseTools: Ecc/exception: Added _ModuleEntryPoint into exception list Kun Qin
@ 2021-01-26 19:44 ` Kun Qin
1 sibling, 0 replies; 2+ messages in thread
From: Kun Qin @ 2021-01-26 19:44 UTC (permalink / raw)
To: devel
Cc: Ard Biesheuvel, Sami Mujawar, Jiewen Yao, Supreeth Venkatesh,
Jiewen Yao
This change extends StandaloneMmCoreEntryPoint library to support X64
architecture.
Cc: Ard Biesheuvel <ard.biesheuvel@arm.com>
Cc: Sami Mujawar <sami.mujawar@arm.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Supreeth Venkatesh <supreeth.venkatesh@arm.com>
Signed-off-by: Kun Qin <kun.q@outlook.com>
Reviewed-by: Jiewen Yao <Jiewen.yao@intel.com>
---
Notes:
v4:
- Reviewed previously. No change.
v3:
- Reviewed previously. No change.
v2:
- Added Reviewed-by tag [Jiewen]
StandaloneMmPkg/Library/StandaloneMmCoreEntryPoint/X64/StandaloneMmCoreEntryPoint.c | 71 ++++++++++++++++++++
StandaloneMmPkg/Library/StandaloneMmCoreEntryPoint/StandaloneMmCoreEntryPoint.inf | 3 +
2 files changed, 74 insertions(+)
diff --git a/StandaloneMmPkg/Library/StandaloneMmCoreEntryPoint/X64/StandaloneMmCoreEntryPoint.c b/StandaloneMmPkg/Library/StandaloneMmCoreEntryPoint/X64/StandaloneMmCoreEntryPoint.c
new file mode 100644
index 000000000000..dffa965b8425
--- /dev/null
+++ b/StandaloneMmPkg/Library/StandaloneMmCoreEntryPoint/X64/StandaloneMmCoreEntryPoint.c
@@ -0,0 +1,71 @@
+/** @file
+ Entry point to the Standalone Mm Core.
+
+Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
+Copyright (c) Microsoft Corporation.
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+
+#include <PiMm.h>
+
+#include <Library/StandaloneMmCoreEntryPoint.h>
+#include <Library/DebugLib.h>
+#include <Library/BaseLib.h>
+
+//
+// Cache copy of HobList pointer.
+//
+VOID *gHobList = NULL;
+
+/**
+ The entry point of PE/COFF Image for the STANDALONE MM Core.
+
+ This function is the entry point for the STANDALONE MM Core. This function is required to call
+ ProcessModuleEntryPointList() and ProcessModuleEntryPointList() is never expected to return.
+ The STANDALONE MM Core is responsible for calling ProcessLibraryConstructorList() as soon as the EFI
+ System Table and the image handle for the STANDALONE MM Core itself have been established.
+ If ProcessModuleEntryPointList() returns, then ASSERT() and halt the system.
+
+ @param HobStart Pointer to the beginning of the HOB List passed in from the PEI Phase.
+
+**/
+VOID
+EFIAPI
+_ModuleEntryPoint (
+ IN VOID *HobStart
+ )
+{
+ //
+ // Cache a pointer to the HobList
+ //
+ gHobList = HobStart;
+
+ //
+ // Call the Standalone MM Core entry point
+ //
+ ProcessModuleEntryPointList (HobStart);
+
+ //
+ // TODO: Set page table here?? AARCH64 has this step for some reason
+ //
+}
+
+
+/**
+ Required by the EBC compiler and identical in functionality to _ModuleEntryPoint().
+
+ This function is required to call _ModuleEntryPoint() passing in HobStart.
+
+ @param HobStart Pointer to the beginning of the HOB List passed in from the PEI Phase.
+
+**/
+VOID
+EFIAPI
+EfiMain (
+ IN VOID *HobStart
+ )
+{
+ _ModuleEntryPoint (HobStart);
+}
diff --git a/StandaloneMmPkg/Library/StandaloneMmCoreEntryPoint/StandaloneMmCoreEntryPoint.inf b/StandaloneMmPkg/Library/StandaloneMmCoreEntryPoint/StandaloneMmCoreEntryPoint.inf
index 75a654b06d51..313bc6f7bdad 100644
--- a/StandaloneMmPkg/Library/StandaloneMmCoreEntryPoint/StandaloneMmCoreEntryPoint.inf
+++ b/StandaloneMmPkg/Library/StandaloneMmCoreEntryPoint/StandaloneMmCoreEntryPoint.inf
@@ -26,6 +26,9 @@ [Sources.AARCH64]
AArch64/SetPermissions.c
AArch64/CreateHobList.c
+[Sources.X64]
+ X64/StandaloneMmCoreEntryPoint.c
+
[Packages]
MdePkg/MdePkg.dec
MdeModulePkg/MdeModulePkg.dec
--
2.30.0.windows.1
^ permalink raw reply related [flat|nested] 2+ messages in thread