[edk2-devel] [PATCH v3 05/13] StandaloneMmPkg: Add macros for SPM version

[Sughosh Ganu]

Declare module wide variables for SPM major and minor versions to be
used in checking the SPM version compatibility. Declare the the values
of SPM major and minor versions as macros.

Signed-off-by: Sughosh Ganu <sughosh.ganu at linaro.org>
---

Changes since V2:
* Added a STATIC storage class specifier for mSpmMajorVer and
  mSpmMinorVer variables

 ArmPkg/Include/IndustryStandard/ArmMmSvc.h                                              |  3 +++
 StandaloneMmPkg/Library/StandaloneMmCoreEntryPoint/AArch64/StandaloneMmCoreEntryPoint.c | 10 +++++-----
 2 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/ArmPkg/Include/IndustryStandard/ArmMmSvc.h b/ArmPkg/Include/IndustryStandard/ArmMmSvc.h
index ee29c2fecc..71a5398558 100644
--- a/ArmPkg/Include/IndustryStandard/ArmMmSvc.h
+++ b/ArmPkg/Include/IndustryStandard/ArmMmSvc.h
@@ -41,4 +41,7 @@
 #define ARM_SVC_SPM_RET_DENIED               -3
 #define ARM_SVC_SPM_RET_NO_MEMORY            -5
 
+#define SPM_MAJOR_VERSION                     0
+#define SPM_MINOR_VERSION                     1
+
 #endif
diff --git a/StandaloneMmPkg/Library/StandaloneMmCoreEntryPoint/AArch64/StandaloneMmCoreEntryPoint.c b/StandaloneMmPkg/Library/StandaloneMmCoreEntryPoint/AArch64/StandaloneMmCoreEntryPoint.c
index 3d78e8e9ae..2643473e88 100644
--- a/StandaloneMmPkg/Library/StandaloneMmCoreEntryPoint/AArch64/StandaloneMmCoreEntryPoint.c
+++ b/StandaloneMmPkg/Library/StandaloneMmCoreEntryPoint/AArch64/StandaloneMmCoreEntryPoint.c
@@ -32,8 +32,8 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
 #define SPM_MINOR_VER_MASK        0x0000FFFF
 #define SPM_MAJOR_VER_SHIFT       16
 
-#define SPM_MAJOR_VER             0
-#define SPM_MINOR_VER             1
+STATIC CONST UINT32 mSpmMajorVer = SPM_MAJOR_VERSION;
+STATIC CONST UINT32 mSpmMinorVer = SPM_MINOR_VERSION;
 
 #define BOOT_PAYLOAD_VERSION      1
 
@@ -196,8 +196,8 @@ GetSpmVersion (VOID)
   // revision A must work in a compatible way with revision B.
   // However, it is possible for revision B to have a higher
   // function count than revision A.
-  if ((SpmMajorVersion == SPM_MAJOR_VER) &&
-      (SpmMinorVersion >= SPM_MINOR_VER))
+  if ((SpmMajorVersion == mSpmMajorVer) &&
+      (SpmMinorVersion >= mSpmMinorVer))
   {
     DEBUG ((DEBUG_INFO, "SPM Version: Major=0x%x, Minor=0x%x\n",
            SpmMajorVersion, SpmMinorVersion));
@@ -206,7 +206,7 @@ GetSpmVersion (VOID)
   else
   {
     DEBUG ((DEBUG_INFO, "Incompatible SPM Versions.\n Current Version: Major=0x%x, Minor=0x%x.\n Expected: Major=0x%x, Minor>=0x%x.\n",
-            SpmMajorVersion, SpmMinorVersion, SPM_MAJOR_VER, SPM_MINOR_VER));
+            SpmMajorVersion, SpmMinorVersion, mSpmMajorVer, mSpmMinorVer));
     Status = EFI_UNSUPPORTED;
   }
 
-- 
2.17.1



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