ArmPlatformPkg/ArmPlatformLib: Added ArmPlatformGetPrimaryCoreMpId()

[mirror_edk2.git] / ArmPlatformPkg / ArmVExpressPkg / Library / ArmVExpressLibCTA9x4 / CTA9x4Helper.S

diff --git a/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA9x4/CTA9x4Helper.S b/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA9x4/CTA9x4Helper.S
index 94167d5f174e5e84e73350caba2caeb4f94e6e97..3fbc701dadb78615701cedac392217ddd31f1a20 100644 (file)
--- a/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA9x4/CTA9x4Helper.S
+++ b/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA9x4/CTA9x4Helper.S
@@ -17,10 +17,20 @@
 .align 2\r
 \r
 GCC_ASM_EXPORT(ArmPlatformIsPrimaryCore)\r
+GCC_ASM_EXPORT(ArmPlatformGetPrimaryCoreMpId)\r
 \r
 GCC_ASM_IMPORT(_gPcd_FixedAtBuild_PcdArmPrimaryCore)\r
 GCC_ASM_IMPORT(_gPcd_FixedAtBuild_PcdArmPrimaryCoreMask)\r
 \r
+//UINTN\r
+//ArmPlatformGetPrimaryCoreMpId (\r
+//  VOID\r
+//  );\r
+ASM_PFX(ArmPlatformGetPrimaryCoreMpId):\r
+  LoadConstantToReg (_gPcd_FixedAtBuild_PcdArmPrimaryCoreMask, r0)\r
+  ldr   r0, [r0]\r
+  bx    lr\r
+\r
 //UINTN\r
 //ArmPlatformIsPrimaryCore (\r
 //  IN UINTN MpId\r