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authorArd Biesheuvel <ard.biesheuvel@linaro.org>2015-11-27 17:07:43 +0000
committerabiesheuvel <abiesheuvel@Edk2>2015-11-27 17:07:43 +0000
commit982aa6a18e888e4b6bf2789f05468784200d599a (patch)
tree5b485ec0f61e1b650b7d4a602a248cd5d1c69e2d /ArmPlatformPkg
parent3707dee3da5c58d91d64b56e4953736de69e06f6 (diff)
downloadedk2-platforms-982aa6a18e888e4b6bf2789f05468784200d599a.tar.xz
ArmPlatformPkg/Sec: remove global variable allocation from lowlevel init
Now that we dropped all ArmPlatformGlobalVariableLib dependencies, there is no longer a need to allocate and clear out the global variable region in the Sec init code. So remove it. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18995 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'ArmPlatformPkg')
-rw-r--r--ArmPlatformPkg/Sec/AArch64/SecEntryPoint.S6
-rw-r--r--ArmPlatformPkg/Sec/Arm/SecEntryPoint.S6
-rw-r--r--ArmPlatformPkg/Sec/Arm/SecEntryPoint.asm6
-rw-r--r--ArmPlatformPkg/Sec/Sec.inf2
4 files changed, 3 insertions, 17 deletions
diff --git a/ArmPlatformPkg/Sec/AArch64/SecEntryPoint.S b/ArmPlatformPkg/Sec/AArch64/SecEntryPoint.S
index 3512ccd84d..000b56f573 100644
--- a/ArmPlatformPkg/Sec/AArch64/SecEntryPoint.S
+++ b/ArmPlatformPkg/Sec/AArch64/SecEntryPoint.S
@@ -99,11 +99,7 @@ _SetupPrimaryCoreStack:
LoadConstantToReg (FixedPcdGet32(PcdCPUCoreSecPrimaryStackSize), x2)
add x1, x1, x2
- LoadConstantToReg (FixedPcdGet32(PcdSecGlobalVariableSize), x2)
-
- // The reserved space for global variable must be 8-bytes aligned for pushing
- // 64-bit variable on the stack
- SetPrimaryStack (x1, x2, x3, x4)
+ mov sp, x1
b _PrepareArguments
_SetupSecondaryCoreStack:
diff --git a/ArmPlatformPkg/Sec/Arm/SecEntryPoint.S b/ArmPlatformPkg/Sec/Arm/SecEntryPoint.S
index 51b91b965d..73c264810e 100644
--- a/ArmPlatformPkg/Sec/Arm/SecEntryPoint.S
+++ b/ArmPlatformPkg/Sec/Arm/SecEntryPoint.S
@@ -81,11 +81,7 @@ _SetupPrimaryCoreStack:
LoadConstantToReg (FixedPcdGet32(PcdCPUCoreSecPrimaryStackSize), r2)
add r1, r1, r2
- LoadConstantToReg (FixedPcdGet32(PcdSecGlobalVariableSize), r2)
-
- // The reserved space for global variable must be 8-bytes aligned for pushing
- // 64-bit variable on the stack
- SetPrimaryStack (r1, r2, r3)
+ mov sp, r1
b _PrepareArguments
_SetupSecondaryCoreStack:
diff --git a/ArmPlatformPkg/Sec/Arm/SecEntryPoint.asm b/ArmPlatformPkg/Sec/Arm/SecEntryPoint.asm
index b30fab2141..c0cd410699 100644
--- a/ArmPlatformPkg/Sec/Arm/SecEntryPoint.asm
+++ b/ArmPlatformPkg/Sec/Arm/SecEntryPoint.asm
@@ -83,11 +83,7 @@ _SetupPrimaryCoreStack
LoadConstantToReg (FixedPcdGet32(PcdCPUCoreSecPrimaryStackSize), r2)
add r1, r1, r2
- LoadConstantToReg (FixedPcdGet32(PcdSecGlobalVariableSize), r2)
-
- // The reserved space for global variable must be 8-bytes aligned for pushing
- // 64-bit variable on the stack
- SetPrimaryStack (r1, r2, r3)
+ mov sp, r1
b _PrepareArguments
_SetupSecondaryCoreStack
diff --git a/ArmPlatformPkg/Sec/Sec.inf b/ArmPlatformPkg/Sec/Sec.inf
index 7c6e7ffba1..7f7243f98f 100644
--- a/ArmPlatformPkg/Sec/Sec.inf
+++ b/ArmPlatformPkg/Sec/Sec.inf
@@ -81,7 +81,5 @@
gArmTokenSpaceGuid.PcdGicDistributorBase
gArmTokenSpaceGuid.PcdGicInterruptInterfaceBase
- gArmPlatformTokenSpaceGuid.PcdSecGlobalVariableSize
-
[FixedPcd.ARM]
gArmTokenSpaceGuid.PcdArmNsacr