ArmPlatformPkg/PrePeiCore: seed temporary stack before entering PEI core

[mirror_edk2.git] / ArmPlatformPkg / PrePeiCore / AArch64 / PrePeiCoreEntryPoint.S

diff --git a/ArmPlatformPkg/PrePeiCore/AArch64/PrePeiCoreEntryPoint.S b/ArmPlatformPkg/PrePeiCore/AArch64/PrePeiCoreEntryPoint.S
index aab5edab0c4224b3b424550c698136e8fb450ec5..0950fd0c0cdbc33dbd4952ef2f79344ab9cf9fdd 100644 (file)
--- a/ArmPlatformPkg/PrePeiCore/AArch64/PrePeiCoreEntryPoint.S
+++ b/ArmPlatformPkg/PrePeiCore/AArch64/PrePeiCoreEntryPoint.S
@@ -84,4 +84,10 @@ _PrepareArguments:
 \r
 _SetupPrimaryCoreStack:\r
   mov   sp, x1\r
+  MOV64 (x8, FixedPcdGet64 (PcdCPUCoresStackBase))\r
+  MOV64 (x9, FixedPcdGet32 (PcdInitValueInTempStack) |\\r
+             FixedPcdGet32 (PcdInitValueInTempStack) << 32)\r
+0:stp   x9, x9, [x8], #16\r
+  cmp   x8, x1\r
+  b.lt  0b\r
   b     _PrepareArguments\r