Revision: 18991
http://sourceforge.net/p/edk2/code/18991
Author: abiesheuvel
Date: 2015-11-27 17:06:48 +0000 (Fri, 27 Nov 2015)
Log Message:
-----------
ArmVirtPkg/PrePi: 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 PrePi init code. So remove it.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <[email protected]>
Acked-by: Laszlo Ersek <[email protected]>
Reviewed-by: Leif Lindholm <[email protected]>
Modified Paths:
--------------
trunk/edk2/ArmVirtPkg/PrePi/AArch64/ModuleEntryPoint.S
trunk/edk2/ArmVirtPkg/PrePi/ArmVirtPrePiUniCoreRelocatable.inf
trunk/edk2/ArmVirtPkg/PrePi/PrePi.c
trunk/edk2/ArmVirtPkg/PrePi/PrePi.h
Modified: trunk/edk2/ArmVirtPkg/PrePi/AArch64/ModuleEntryPoint.S
===================================================================
--- trunk/edk2/ArmVirtPkg/PrePi/AArch64/ModuleEntryPoint.S 2015-11-27
17:06:37 UTC (rev 18990)
+++ trunk/edk2/ArmVirtPkg/PrePi/AArch64/ModuleEntryPoint.S 2015-11-27
17:06:48 UTC (rev 18991)
@@ -158,16 +158,10 @@
cmp x0, #1
bne _PrepareArguments
-_ReserveGlobalVariable:
- LoadConstantToReg (FixedPcdGet32(PcdPeiGlobalVariableSize), x0)
- // InitializePrimaryStack($GlobalVariableSize, $Tmp1, $Tmp2)
- InitializePrimaryStack(x0, x1, x2)
-
_PrepareArguments:
mov x0, x10
mov x1, x11
mov x2, x12
- mov x3, sp
// Move sec startup address into a data register
// Ensure we're jumping to FV version of the code (not boot remapped alias)
@@ -177,7 +171,6 @@
// x0 = MpId
// x1 = UefiMemoryBase
// x2 = StacksBase
- // x3 = GlobalVariableBase
blr x4
_NeverReturn:
Modified: trunk/edk2/ArmVirtPkg/PrePi/ArmVirtPrePiUniCoreRelocatable.inf
===================================================================
--- trunk/edk2/ArmVirtPkg/PrePi/ArmVirtPrePiUniCoreRelocatable.inf
2015-11-27 17:06:37 UTC (rev 18990)
+++ trunk/edk2/ArmVirtPkg/PrePi/ArmVirtPrePiUniCoreRelocatable.inf
2015-11-27 17:06:48 UTC (rev 18991)
@@ -61,7 +61,6 @@
gArmMpCoreInfoPpiGuid
[Guids]
- gArmGlobalVariableGuid
gArmMpCoreInfoGuid
[FeaturePcd]
@@ -79,8 +78,6 @@
gArmPlatformTokenSpaceGuid.PcdCPUCorePrimaryStackSize
gArmPlatformTokenSpaceGuid.PcdCPUCoreSecondaryStackSize
- gArmPlatformTokenSpaceGuid.PcdPeiGlobalVariableSize
-
gArmPlatformTokenSpaceGuid.PcdSystemMemoryUefiRegionSize
gArmPlatformTokenSpaceGuid.PcdCoreCount
Modified: trunk/edk2/ArmVirtPkg/PrePi/PrePi.c
===================================================================
--- trunk/edk2/ArmVirtPkg/PrePi/PrePi.c 2015-11-27 17:06:37 UTC (rev 18990)
+++ trunk/edk2/ArmVirtPkg/PrePi/PrePi.c 2015-11-27 17:06:48 UTC (rev 18991)
@@ -25,14 +25,10 @@
#include <Ppi/GuidedSectionExtraction.h>
#include <Ppi/ArmMpCoreInfo.h>
#include <Guid/LzmaDecompress.h>
-#include <Guid/ArmGlobalVariableHob.h>
#include "PrePi.h"
#include "LzmaDecompress.h"
-// Not used when PrePi in run in XIP mode
-UINTN mGlobalVariableBase = 0;
-
EFI_STATUS
EFIAPI
ExtractGuidedSectionLibConstructor (
@@ -45,23 +41,6 @@
VOID
);
-VOID
-EFIAPI
-BuildGlobalVariableHob (
- IN EFI_PHYSICAL_ADDRESS GlobalVariableBase,
- IN UINT32 GlobalVariableSize
- )
-{
- ARM_HOB_GLOBAL_VARIABLE *Hob;
-
- Hob = CreateHob (EFI_HOB_TYPE_GUID_EXTENSION, sizeof
(ARM_HOB_GLOBAL_VARIABLE));
- ASSERT(Hob != NULL);
-
- CopyGuid (&(Hob->Header.Name), &gArmGlobalVariableGuid);
- Hob->GlobalVariableBase = GlobalVariableBase;
- Hob->GlobalVariableSize = GlobalVariableSize;
-}
-
EFI_STATUS
GetPlatformPpi (
IN EFI_GUID *PpiGuid,
@@ -90,7 +69,6 @@
PrePiMain (
IN UINTN UefiMemoryBase,
IN UINTN StacksBase,
- IN UINTN GlobalVariableBase,
IN UINT64 StartTimeStamp
)
{
@@ -133,9 +111,6 @@
StacksSize = PcdGet32 (PcdCPUCorePrimaryStackSize);
BuildStackHob (StacksBase, StacksSize);
- // Declare the Global Variable HOB
- BuildGlobalVariableHob (GlobalVariableBase, FixedPcdGet32
(PcdPeiGlobalVariableSize));
-
//TODO: Call CpuPei as a library
BuildCpuHob (PcdGet8 (PcdPrePiCpuMemorySize), PcdGet8 (PcdPrePiCpuIoSize));
@@ -174,8 +149,7 @@
CEntryPoint (
IN UINTN MpId,
IN UINTN UefiMemoryBase,
- IN UINTN StacksBase,
- IN UINTN GlobalVariableBase
+ IN UINTN StacksBase
)
{
UINT64 StartTimeStamp;
@@ -199,11 +173,8 @@
// Enable Instruction Caches on all cores.
ArmEnableInstructionCache ();
- // Define the Global Variable region
- mGlobalVariableBase = GlobalVariableBase;
+ PrePiMain (UefiMemoryBase, StacksBase, StartTimeStamp);
- PrePiMain (UefiMemoryBase, StacksBase, GlobalVariableBase, StartTimeStamp);
-
// DXE Core should always load and never return
ASSERT (FALSE);
}
Modified: trunk/edk2/ArmVirtPkg/PrePi/PrePi.h
===================================================================
--- trunk/edk2/ArmVirtPkg/PrePi/PrePi.h 2015-11-27 17:06:37 UTC (rev 18990)
+++ trunk/edk2/ArmVirtPkg/PrePi/PrePi.h 2015-11-27 17:06:48 UTC (rev 18991)
@@ -41,7 +41,6 @@
PrePiMain (
IN UINTN UefiMemoryBase,
IN UINTN StacksBase,
- IN UINTN GlobalVariableBase,
IN UINT64 StartTimeStamp
);
------------------------------------------------------------------------------
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