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ArmPkg/BdsLib: Replace ARM magic value by a proper defined value. 

"ARMH" is the Four-Letter unique identifier used by ARM in the context
of the fast SMC identification interface.

This patch properly defines this value in a header file instead
of using the numeric value directly in the code.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Olivier Martin <olivier.martin@arm.com>



git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14268 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
oliviermartin 2013-04-14 09:30:46 +00:00
parent 16bb89c980
commit 1a7b6d9ea2
2 changed files with 3 additions and 2 deletions
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2
ArmPkg/Include/IndustryStandard/ArmTrustZoneSmc.h
View File

@ -18,6 +18,8 @@
#define ARM_TRUSTZONE_UID_4LETTERID 0x1
#define ARM_TRUSTZONE_UID_MD5 0x2
#define ARM_TRUSTZONE_ARM_UID 0x40524d48 // "ARMH"
#define IS_ARM_TRUSTZONE_SUPPORTED_SMC(Rx,Region) (((UINTN)(Rx) >= (UINTN)ARM_TRUSTZONE_##Region##_SMC_ID_START) && ((UINTN)(Rx) <= (UINTN)ARM_TRUSTZONE_##Region##_SMC_ID_END))
#define IS_ARM_TRUSTZONE_DEPRECIATED_SMC(Rx) ((UINTN)(Rx) <= (UINTN)ARM_TRUSTZONE_DEPRECIATED_SMC_ID_END)

3
ArmPkg/Library/BdsLib/BdsLinuxFdt.c
View File

@ -260,8 +260,7 @@ PrepareFdt (
if (Rx == ARM_TRUSTZONE_UID_4LETTERID) {
Rx = ARM_SMC_ID_UID + 1;
ArmCallSmc (&Rx);
//TODO: Replace ARM magic number
if (Rx == 0x40524d48) {
if (Rx == ARM_TRUSTZONE_ARM_UID) {
PsciSmcSupported = TRUE;
}
}