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-rw-r--r--ArmPkg/Include/AsmMacroIoLib.h34
-rw-r--r--ArmPkg/Include/AsmMacroIoLib.inc19
-rw-r--r--ArmPlatformPkg/ArmVExpressPkg/ArmVExpress.dsc.inc1
-rw-r--r--ArmPlatformPkg/Library/ArmPlatformStackLib/ArmPlatformStackLib.S106
-rw-r--r--ArmPlatformPkg/Library/ArmPlatformStackLib/ArmPlatformStackLib.asm112
-rw-r--r--ArmPlatformPkg/Library/ArmPlatformStackLib/ArmPlatformStackLib.inf39
-rwxr-xr-xArmPlatformPkg/PrePi/ModuleEntryPoint.S96
-rw-r--r--ArmPlatformPkg/PrePi/ModuleEntryPoint.asm75
-rwxr-xr-xArmPlatformPkg/PrePi/PeiMPCore.inf2
-rwxr-xr-xArmPlatformPkg/PrePi/PeiUniCore.inf1
-rw-r--r--BeagleBoardPkg/BeagleBoardPkg.dsc1
11 files changed, 362 insertions, 124 deletions
diff --git a/ArmPkg/Include/AsmMacroIoLib.h b/ArmPkg/Include/AsmMacroIoLib.h
index 0276275a41..c8692fcfd7 100644
--- a/ArmPkg/Include/AsmMacroIoLib.h
+++ b/ArmPkg/Include/AsmMacroIoLib.h
@@ -144,6 +144,21 @@ _SetPrimaryStackInitGlobals: ; \
b _SetPrimaryStackInitGlobals ; \
_SetPrimaryStackEnd:
+// Initialize the Global Variable with '0'
+#define InitializePrimaryStack(GlobalSize, Tmp1) \
+ and Tmp1, GlobalSize, #7 ; \
+ rsbne Tmp1, Tmp1, #8 ; \
+ add GlobalSize, GlobalSize, Tmp1 ; \
+ ; \
+ mov Tmp1, sp ; \
+ sub sp, GlobalSize ; \
+ mov GlobalSize, #0x0 ; \
+_InitializePrimaryStackLoop: ; \
+ cmp Tmp1, sp ; \
+ bls _InitializePrimaryStackEnd ; \
+ str GlobalSize, [Tmp1], #-4 ; \
+ b _InitializePrimaryStackLoop ; \
+_InitializePrimaryStackEnd:
#elif defined (__GNUC__)
@@ -213,6 +228,22 @@ _SetPrimaryStackInitGlobals: ; \
b _SetPrimaryStackInitGlobals ; \
_SetPrimaryStackEnd:
+// Initialize the Global Variable with '0'
+#define InitializePrimaryStack(GlobalSize, Tmp1) \
+ and Tmp1, GlobalSize, #7 ; \
+ rsbne Tmp1, Tmp1, #8 ; \
+ add GlobalSize, GlobalSize, Tmp1 ; \
+ ; \
+ mov Tmp1, sp ; \
+ sub sp, GlobalSize ; \
+ mov GlobalSize, #0x0 ; \
+_InitializePrimaryStackLoop: ; \
+ cmp Tmp1, sp ; \
+ bls _InitializePrimaryStackEnd ; \
+ str GlobalSize, [Tmp1], #-4 ; \
+ b _InitializePrimaryStackLoop ; \
+_InitializePrimaryStackEnd:
+
#else
//
@@ -278,6 +309,9 @@ _SetPrimaryStackEnd:
#define SetPrimaryStack(StackTop,GlobalSize,Tmp) SetPrimaryStack StackTop, GlobalSize, Tmp
+// Initialize the Global Variable with '0'
+#define InitializePrimaryStack(GlobalSize, Tmp1) InitializePrimaryStack GlobalSize, Tmp1
+
#endif
#endif
diff --git a/ArmPkg/Include/AsmMacroIoLib.inc b/ArmPkg/Include/AsmMacroIoLib.inc
index 5ed9e05775..1ca99fdd1d 100644
--- a/ArmPkg/Include/AsmMacroIoLib.inc
+++ b/ArmPkg/Include/AsmMacroIoLib.inc
@@ -104,8 +104,25 @@ _SetPrimaryStackInitGlobals
beq _SetPrimaryStackEnd
str $GlobalSize, [$Tmp], #4
b _SetPrimaryStackInitGlobals
-
_SetPrimaryStackEnd
MEND
+ MACRO
+ InitializePrimaryStack $GlobalSize, $Tmp1
+ and $Tmp1, $GlobalSize, #7
+ rsbne $Tmp1, $Tmp1, #8
+ add $GlobalSize, $GlobalSize, $Tmp1
+
+ mov $Tmp1, sp
+ sub sp, $GlobalSize
+ ; Set all the global variables to 0
+ mov $GlobalSize, #0x0
+_InitializePrimaryStackLoop
+ cmp $Tmp1, sp
+ bls _InitializePrimaryStackEnd
+ str $GlobalSize, [$Tmp1], #-4
+ b _InitializePrimaryStackLoop
+_InitializePrimaryStackEnd
+ MEND
+
END
diff --git a/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress.dsc.inc b/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress.dsc.inc
index 1af5490b91..8672993bd8 100644
--- a/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress.dsc.inc
+++ b/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress.dsc.inc
@@ -61,6 +61,7 @@
ArmDisassemblerLib|ArmPkg/Library/ArmDisassemblerLib/ArmDisassemblerLib.inf
DmaLib|ArmPkg/Library/ArmDmaLib/ArmDmaLib.inf
ArmGicLib|ArmPkg/Drivers/PL390Gic/PL390GicLib.inf
+ ArmPlatformStackLib|ArmPlatformPkg/Library/ArmPlatformStackLib/ArmPlatformStackLib.inf
# Versatile Express Specific Libraries
ArmPlatformSysConfigLib|ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressSysConfigLib/ArmVExpressSysConfigLib.inf
diff --git a/ArmPlatformPkg/Library/ArmPlatformStackLib/ArmPlatformStackLib.S b/ArmPlatformPkg/Library/ArmPlatformStackLib/ArmPlatformStackLib.S
new file mode 100644
index 0000000000..94660c97fe
--- /dev/null
+++ b/ArmPlatformPkg/Library/ArmPlatformStackLib/ArmPlatformStackLib.S
@@ -0,0 +1,106 @@
+//
+// Copyright (c) 2012, ARM Limited. All rights reserved.
+//
+// This program and the accompanying materials
+// are licensed and made available under the terms and conditions of the BSD License
+// which accompanies this distribution. The full text of the license may be found at
+// http://opensource.org/licenses/bsd-license.php
+//
+// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+//
+//
+
+#include <AsmMacroIoLib.h>
+#include <Base.h>
+#include <AutoGen.h>
+
+.text
+.align 3
+
+GCC_ASM_EXPORT(ArmPlatformStackSet)
+GCC_ASM_EXPORT(ArmPlatformStackSetPrimary)
+GCC_ASM_EXPORT(ArmPlatformStackSetSecondary)
+
+GCC_ASM_IMPORT(ArmPlatformGetCorePosition)
+
+GCC_ASM_IMPORT(gPcd_FixedAtBuild_PcdCoreCount)
+GCC_ASM_IMPORT(_gPcd_FixedAtBuild_PcdArmPrimaryCore)
+
+//VOID
+//ArmPlatformStackSet (
+// IN UINTN StackBase,
+// IN UINTN MpId,
+// IN UINTN PrimaryStackSize,
+// IN UINTN SecondaryStackSize
+// );
+ASM_PFX(ArmPlatformStackSet):
+ // Identify Stack
+ // Mask for ClusterId|CoreId
+ LoadConstantToReg (0xFFFF, r4)
+ and r1, r1, r4
+ // Is it the Primary Core ?
+ LoadConstantToReg (_gPcd_FixedAtBuild_PcdArmPrimaryCore, r4)
+ ldr r4, [r4]
+ cmp r1, r4
+ beq ASM_PFX(ArmPlatformStackSetPrimary)
+ bne ASM_PFX(ArmPlatformStackSetSecondary)
+
+//VOID
+//ArmPlatformStackSetPrimary (
+// IN UINTN StackBase,
+// IN UINTN MpId,
+// IN UINTN PrimaryStackSize,
+// IN UINTN SecondaryStackSize
+// );
+ASM_PFX(ArmPlatformStackSetPrimary):
+ mov r4, lr
+
+ // Add stack of primary stack to StackBase
+ add r0, r0, r2
+
+ // Compute SecondaryCoresCount * SecondaryCoreStackSize
+ LoadConstantToReg (_gPcd_FixedAtBuild_PcdCoreCount, r1)
+ ldr r1, [r1]
+ sub r1, #1
+ mul r3, r3, r1
+
+ // Set Primary Stack ((StackBase + PrimaryStackSize) + (SecondaryCoresCount * SecondaryCoreStackSize))
+ add sp, r0, r3
+
+ bx r4
+
+//VOID
+//ArmPlatformStackSetSecondary (
+// IN UINTN StackBase,
+// IN UINTN MpId,
+// IN UINTN PrimaryStackSize,
+// IN UINTN SecondaryStackSize
+// );
+ASM_PFX(ArmPlatformStackSetSecondary):
+ mov r4, lr
+ mov sp, r0
+
+ // Get Core Position
+ mov r0, r1
+ bl ASM_PFX(ArmPlatformGetCorePosition)
+ mov r5, r0
+
+ // Get Primary Core Position
+ LoadConstantToReg (_gPcd_FixedAtBuild_PcdArmPrimaryCore, r0)
+ ldr r0, [r0]
+ bl ASM_PFX(ArmPlatformGetCorePosition)
+
+ // Get Secondary Core Position. We should get consecutive secondary stack number from 1...(CoreCount-1)
+ cmp r5, r0
+ subhi r5, r5, #1
+ add r5, r5, #1
+
+ // Compute top of the secondary stack
+ mul r3, r3, r5
+
+ // Set stack
+ add sp, sp, r3
+
+ bx r4
+
diff --git a/ArmPlatformPkg/Library/ArmPlatformStackLib/ArmPlatformStackLib.asm b/ArmPlatformPkg/Library/ArmPlatformStackLib/ArmPlatformStackLib.asm
new file mode 100644
index 0000000000..db92023922
--- /dev/null
+++ b/ArmPlatformPkg/Library/ArmPlatformStackLib/ArmPlatformStackLib.asm
@@ -0,0 +1,112 @@
+//
+// Copyright (c) 2012, ARM Limited. All rights reserved.
+//
+// This program and the accompanying materials
+// are licensed and made available under the terms and conditions of the BSD License
+// which accompanies this distribution. The full text of the license may be found at
+// http://opensource.org/licenses/bsd-license.php
+//
+// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+//
+//
+
+#include <AsmMacroIoLib.h>
+#include <Base.h>
+#include <AutoGen.h>
+
+ INCLUDE AsmMacroIoLib.inc
+
+ EXPORT ArmPlatformStackSet
+ EXPORT ArmPlatformStackSetPrimary
+ EXPORT ArmPlatformStackSetSecondary
+
+ IMPORT ArmPlatformGetCorePosition
+
+ IMPORT _gPcd_FixedAtBuild_PcdCoreCount
+ IMPORT _gPcd_FixedAtBuild_PcdArmPrimaryCore
+
+ PRESERVE8
+ AREA ArmPlatformStackLib, CODE, READONLY
+
+//VOID
+//ArmPlatformStackSet (
+// IN UINTN StackBase,
+// IN UINTN MpId,
+// IN UINTN PrimaryStackSize,
+// IN UINTN SecondaryStackSize
+// );
+ArmPlatformStackSet FUNCTION
+ // Identify Stack
+ // Mask for ClusterId|CoreId
+ LoadConstantToReg (0xFFFF, r4)
+ and r1, r1, r4
+ // Is it the Primary Core ?
+ LoadConstantToReg (_gPcd_FixedAtBuild_PcdArmPrimaryCore, r4)
+ ldr r4, [r4]
+ cmp r1, r4
+ beq ArmPlatformStackSetPrimary
+ bne ArmPlatformStackSetSecondary
+ ENDFUNC
+
+//VOID
+//ArmPlatformStackSetPrimary (
+// IN UINTN StackBase,
+// IN UINTN MpId,
+// IN UINTN PrimaryStackSize,
+// IN UINTN SecondaryStackSize
+// );
+ArmPlatformStackSetPrimary FUNCTION
+ mov r4, lr
+
+ // Add stack of primary stack to StackBase
+ add r0, r0, r2
+
+ // Compute SecondaryCoresCount * SecondaryCoreStackSize
+ LoadConstantToReg (_gPcd_FixedAtBuild_PcdCoreCount, r1)
+ ldr r1, [r1]
+ sub r1, #1
+ mul r3, r3, r1
+
+ // Set Primary Stack ((StackBase + PrimaryStackSize) + (SecondaryCoresCount * SecondaryCoreStackSize))
+ add sp, r0, r3
+
+ bx r4
+ ENDFUNC
+
+//VOID
+//ArmPlatformStackSetSecondary (
+// IN UINTN StackBase,
+// IN UINTN MpId,
+// IN UINTN PrimaryStackSize,
+// IN UINTN SecondaryStackSize
+// );
+ArmPlatformStackSetSecondary FUNCTION
+ mov r4, lr
+ mov sp, r0
+
+ // Get Core Position
+ mov r0, r1
+ bl ArmPlatformGetCorePosition
+ mov r5, r0
+
+ // Get Primary Core Position
+ LoadConstantToReg (_gPcd_FixedAtBuild_PcdArmPrimaryCore, r0)
+ ldr r0, [r0]
+ bl ArmPlatformGetCorePosition
+
+ // Get Secondary Core Position. We should get consecutive secondary stack number from 1...(CoreCount-1)
+ cmp r5, r0
+ subhi r5, r5, #1
+ add r5, r5, #1
+
+ // Compute top of the secondary stack
+ mul r3, r3, r5
+
+ // Set stack
+ add sp, sp, r3
+
+ bx r4
+ ENDFUNC
+
+ END
diff --git a/ArmPlatformPkg/Library/ArmPlatformStackLib/ArmPlatformStackLib.inf b/ArmPlatformPkg/Library/ArmPlatformStackLib/ArmPlatformStackLib.inf
new file mode 100644
index 0000000000..a41dae2b4f
--- /dev/null
+++ b/ArmPlatformPkg/Library/ArmPlatformStackLib/ArmPlatformStackLib.inf
@@ -0,0 +1,39 @@
+#/* @file
+#
+# Copyright (c) 2012, ARM Limited. All rights reserved.
+#
+# This program and the accompanying materials
+# are licensed and made available under the terms and conditions of the BSD License
+# which accompanies this distribution. The full text of the license may be found at
+# http://opensource.org/licenses/bsd-license.php
+#
+# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#
+#*/
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = ArmPlatformStackLib
+ FILE_GUID = 5e2e44af-53c1-44c2-a801-9c149f3d6ba0
+ MODULE_TYPE = BASE
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = ArmPlatformStackLib
+
+[Packages]
+ MdePkg/MdePkg.dec
+ MdeModulePkg/MdeModulePkg.dec
+ ArmPkg/ArmPkg.dec
+ ArmPlatformPkg/ArmPlatformPkg.dec
+
+[Sources.common]
+ ArmPlatformStackLib.asm | RVCT
+ ArmPlatformStackLib.S | GCC
+
+[FixedPcd]
+ gArmPlatformTokenSpaceGuid.PcdCoreCount
+
+ gArmPlatformTokenSpaceGuid.PcdCoreCount
+
+ gArmTokenSpaceGuid.PcdArmPrimaryCoreMask
+ gArmTokenSpaceGuid.PcdArmPrimaryCore
diff --git a/ArmPlatformPkg/PrePi/ModuleEntryPoint.S b/ArmPlatformPkg/PrePi/ModuleEntryPoint.S
index a5593d7290..9215198d93 100755
--- a/ArmPlatformPkg/PrePi/ModuleEntryPoint.S
+++ b/ArmPlatformPkg/PrePi/ModuleEntryPoint.S
@@ -21,7 +21,7 @@
GCC_ASM_IMPORT(CEntryPoint)
GCC_ASM_IMPORT(ArmReadMpidr)
-GCC_ASM_IMPORT(ArmIsMpCore)
+GCC_ASM_IMPORT(ArmPlatformStackSet)
GCC_ASM_EXPORT(_ModuleEntryPoint)
StartupAddr: .word CEntryPoint
@@ -31,10 +31,11 @@ ASM_PFX(_ModuleEntryPoint):
// Get ID of this CPU in Multicore system
bl ASM_PFX(ArmReadMpidr)
LoadConstantToReg (FixedPcdGet32(PcdArmPrimaryCoreMask), r1)
- and r5, r0, r1
+ and r6, r0, r1
_SetSVCMode:
// Enter SVC mode, Disable FIQ and IRQ
+ //TODO: remove hardcoded values
mov r1, #0x13|0x80|0x40
msr CPSR_c, r1
@@ -76,92 +77,59 @@ _SetupStack:
// Because the 'push' instruction is equivalent to 'stmdb' (decrement before), we need to increment
// one to the top of the stack. We check if incrementing one does not overflow (case of DRAM at the
// top of the memory space)
- adds r6, r1, #1
+ adds r7, r1, #1
bcs _SetupOverflowStack
_SetupAlignedStack:
- mov r1, r6
+ mov r1, r7
b _GetBaseUefiMemory
_SetupOverflowStack:
// Case memory at the top of the address space. Ensure the top of the stack is EFI_PAGE_SIZE
// aligned (4KB)
- LoadConstantToReg (EFI_PAGE_MASK, r6)
- and r6, r6, r1
- sub r1, r1, r6
+ LoadConstantToReg (EFI_PAGE_MASK, r7)
+ and r7, r7, r1
+ sub r1, r1, r7
_GetBaseUefiMemory:
// Calculate the Base of the UEFI Memory
- sub r6, r1, r4
+ sub r7, r1, r4
_GetStackBase:
- // Compute Base of Normal stacks for CPU Cores
- // Is it MpCore system
- bl ASM_PFX(ArmIsMpCore)
- cmp r0, #0
- // Case it is not an MP Core system. Just setup the primary core
- beq _SetupUnicoreStack
-
-_GetStackBaseMpCore:
// r1 = The top of the Mpcore Stacks
// Stack for the primary core = PrimaryCoreStack
LoadConstantToReg (FixedPcdGet32(PcdCPUCorePrimaryStackSize), r2)
- sub r7, r1, r2
-
- // Stack for the secondary core = Number of Clusters * (4 Cores per cluster) * SecondaryStackSize
- LoadConstantToReg (FixedPcdGet32(PcdClusterCount), r2)
- lsl r2, r2, #2
- LoadConstantToReg (FixedPcdGet32(PcdCPUCoreSecondaryStackSize), r3)
- mul r2, r2, r3
- sub r7, r7, r2
-
- // The base of the secondary Stacks = Top of Primary stack
+ sub r8, r1, r2
+
+ // Stack for the secondary core = Number of Cores - 1
+ LoadConstantToReg (FixedPcdGet32(PcdCoreCount), r0)
+ sub r0, r0, #1
+ LoadConstantToReg (FixedPcdGet32(PcdCPUCoreSecondaryStackSize), r1)
+ mul r1, r1, r0
+ sub r8, r8, r1
+
+ // r8 = The base of the MpCore Stacks (primary stack & secondary stacks)
+ mov r0, r8
+ mov r1, r6
+ //ArmPlatformStackSet(StackBase, MpId, PrimaryStackSize, SecondaryStackSize)
LoadConstantToReg (FixedPcdGet32(PcdCPUCorePrimaryStackSize), r2)
- add r1, r7, r2
-
- // r7 = The base of the MpCore Stacks (primary stack + cluster_count * 4 * secondary stacks)
- // r1 = The base of the secondary Stacks = Top of the Primary stack
+ LoadConstantToReg (FixedPcdGet32(PcdCPUCoreSecondaryStackSize), r3)
+ bl ASM_PFX(ArmPlatformStackSet)
// Is it the Primary Core ?
LoadConstantToReg (FixedPcdGet32(PcdArmPrimaryCore), r4)
- cmp r5, r4
- beq _SetupPrimaryCoreStack
-
-_SetupSecondaryCoreStack:
- // r1 = The base of the secondary Stacks
-
- // Get the position of the cores (ClusterId * 4) + CoreId
- GetCorePositionFromMpId(r0, r5, r4)
- // The stack starts at the top of the stack region. Add '1' to the Core Position to get the top of the stack
- add r0, r0, #1
- // Get the offset for the Secondary Stack
- mul r0, r0, r3
- add sp, r1, r0
-
+ cmp r6, r4
bne _PrepareArguments
-_SetupPrimaryCoreStack:
- // r1 = Top of the primary stack
- LoadConstantToReg (FixedPcdGet32(PcdPeiGlobalVariableSize), r2)
- b _PreparePrimaryStack
-
-_SetupUnicoreStack:
- // The top of the Unicore Stack is in r1
- LoadConstantToReg (FixedPcdGet32(PcdPeiGlobalVariableSize), r2)
- LoadConstantToReg (FixedPcdGet32(PcdCPUCorePrimaryStackSize), r3)
-
- // Calculate the bottom of the primary stack (StackBase)
- sub r7, r1, r3
-
-_PreparePrimaryStack:
- // The reserved space for global variable must be 8-bytes aligned for pushing
- // 64-bit variable on the stack
- SetPrimaryStack (r1, r2, r3)
+_ReserveGlobalVariable:
+ LoadConstantToReg (FixedPcdGet32(PcdPeiGlobalVariableSize), r0)
+ // InitializePrimaryStack($GlobalVariableSize, $Tmp1)
+ InitializePrimaryStack(r0, r1)
_PrepareArguments:
- mov r0, r5
- mov r1, r6
- mov r2, r7
+ mov r0, r6
+ mov r1, r7
+ mov r2, r8
mov r3, sp
// Move sec startup address into a data register
diff --git a/ArmPlatformPkg/PrePi/ModuleEntryPoint.asm b/ArmPlatformPkg/PrePi/ModuleEntryPoint.asm
index 3437818b52..0dea1c3271 100644
--- a/ArmPlatformPkg/PrePi/ModuleEntryPoint.asm
+++ b/ArmPlatformPkg/PrePi/ModuleEntryPoint.asm
@@ -33,10 +33,11 @@ _ModuleEntryPoint
// Get ID of this CPU in Multicore system
bl ArmReadMpidr
LoadConstantToReg (FixedPcdGet32(PcdArmPrimaryCoreMask), r1)
- and r5, r0, r1
+ and r6, r0, r1
_SetSVCMode
// Enter SVC mode, Disable FIQ and IRQ
+ //TODO: remove hardcoded values
mov r1, #0x13 :OR: 0x80 :OR: 0x40
msr CPSR_c, r1
@@ -78,33 +79,25 @@ _SetupStack
// Because the 'push' instruction is equivalent to 'stmdb' (decrement before), we need to increment
// one to the top of the stack. We check if incrementing one does not overflow (case of DRAM at the
// top of the memory space)
- adds r6, r1, #1
+ adds r7, r1, #1
bcs _SetupOverflowStack
_SetupAlignedStack
- mov r1, r6
+ mov r1, r7
b _GetBaseUefiMemory
_SetupOverflowStack
// Case memory at the top of the address space. Ensure the top of the stack is EFI_PAGE_SIZE
// aligned (4KB)
- LoadConstantToReg (EFI_PAGE_MASK, r6)
- and r6, r6, r1
- sub r1, r1, r6
+ LoadConstantToReg (EFI_PAGE_MASK, r7)
+ and r7, r7, r1
+ sub r1, r1, r7
_GetBaseUefiMemory
// Calculate the Base of the UEFI Memory
- sub r6, r1, r4
+ sub r7, r1, r4
_GetStackBase
- // Compute Base of Normal stacks for CPU Cores
- // Is it MpCore system
- bl ArmIsMpCore
- cmp r0, #0
- // Case it is not an MP Core system. Just setup the primary core
- beq _SetupUnicoreStack
-
-_GetStackBaseMpCore
// r1 = The top of the Mpcore Stacks
// Stack for the primary core = PrimaryCoreStack
LoadConstantToReg (FixedPcdGet32(PcdCPUCorePrimaryStackSize), r2)
@@ -123,56 +116,22 @@ _GetStackBaseMpCore
//ArmPlatformStackSet(StackBase, MpId, PrimaryStackSize, SecondaryStackSize)
LoadConstantToReg (FixedPcdGet32(PcdCPUCorePrimaryStackSize), r2)
LoadConstantToReg (FixedPcdGet32(PcdCPUCoreSecondaryStackSize), r3)
- mul r2, r2, r3
- sub r7, r7, r2
-
- // The base of the secondary Stacks = Top of Primary stack
- LoadConstantToReg (FixedPcdGet32(PcdCPUCorePrimaryStackSize), r2)
- add r1, r7, r2
-
- // r7 = The base of the MpCore Stacks (primary stack + cluster_count * 4 * secondary stacks)
- // r1 = The base of the secondary Stacks = Top of the Primary stack
+ bl ArmPlatformStackSet
// Is it the Primary Core ?
LoadConstantToReg (FixedPcdGet32(PcdArmPrimaryCore), r4)
- cmp r5, r4
- beq _SetupPrimaryCoreStack
-
-_SetupSecondaryCoreStack
- // r1 = The base of the secondary Stacks
-
- // Get the position of the cores (ClusterId * 4) + CoreId
- GetCorePositionFromMpId(r0, r5, r4)
- // The stack starts at the top of the stack region. Add '1' to the Core Position to get the top of the stack
- add r0, r0, #1
- // Get the offset for the Secondary Stack
- mul r0, r0, r3
- add sp, r1, r0
-
+ cmp r6, r4
bne _PrepareArguments
-_SetupPrimaryCoreStack
- // r1 = Top of the primary stack
- LoadConstantToReg (FixedPcdGet32(PcdPeiGlobalVariableSize), r2)
- b _PreparePrimaryStack
-
-_SetupUnicoreStack
- // The top of the Unicore Stack is in r1
- LoadConstantToReg (FixedPcdGet32(PcdPeiGlobalVariableSize), r2)
- LoadConstantToReg (FixedPcdGet32(PcdCPUCorePrimaryStackSize), r3)
-
- // Calculate the bottom of the primary stack (StackBase)
- sub r7, r1, r3
-
-_PreparePrimaryStack
- // The reserved space for global variable must be 8-bytes aligned for pushing
- // 64-bit variable on the stack
- SetPrimaryStack (r1, r2, r3)
+_ReserveGlobalVariable
+ LoadConstantToReg (FixedPcdGet32(PcdPeiGlobalVariableSize), r0)
+ // InitializePrimaryStack($GlobalVariableSize, $Tmp1)
+ InitializePrimaryStack r0, r1
_PrepareArguments
- mov r0, r5
- mov r1, r6
- mov r2, r7
+ mov r0, r6
+ mov r1, r7
+ mov r2, r8
mov r3, sp
// Move sec startup address into a data register
diff --git a/ArmPlatformPkg/PrePi/PeiMPCore.inf b/ArmPlatformPkg/PrePi/PeiMPCore.inf
index 1d27f9c94d..f4cec0d606 100755
--- a/ArmPlatformPkg/PrePi/PeiMPCore.inf
+++ b/ArmPlatformPkg/PrePi/PeiMPCore.inf
@@ -48,6 +48,7 @@
DebugAgentLib
PrePiLib
ArmPlatformLib
+ ArmPlatformStackLib
MemoryAllocationLib
HobLib
PrePiHobListPointerLib
@@ -77,7 +78,6 @@
gArmTokenSpaceGuid.PcdFvBaseAddress
gArmTokenSpaceGuid.PcdFvSize
- gArmPlatformTokenSpaceGuid.PcdCPUCoresStackBase
gArmPlatformTokenSpaceGuid.PcdCPUCorePrimaryStackSize
gArmPlatformTokenSpaceGuid.PcdCPUCoreSecondaryStackSize
diff --git a/ArmPlatformPkg/PrePi/PeiUniCore.inf b/ArmPlatformPkg/PrePi/PeiUniCore.inf
index 304461c3e9..34a068632b 100755
--- a/ArmPlatformPkg/PrePi/PeiUniCore.inf
+++ b/ArmPlatformPkg/PrePi/PeiUniCore.inf
@@ -47,6 +47,7 @@
DebugAgentLib
PrePiLib
ArmPlatformLib
+ ArmPlatformStackLib
MemoryAllocationLib
HobLib
PrePiHobListPointerLib
diff --git a/BeagleBoardPkg/BeagleBoardPkg.dsc b/BeagleBoardPkg/BeagleBoardPkg.dsc
index 4e00c03452..e7b739e077 100644
--- a/BeagleBoardPkg/BeagleBoardPkg.dsc
+++ b/BeagleBoardPkg/BeagleBoardPkg.dsc
@@ -34,6 +34,7 @@
ArmLib|ArmPkg/Library/ArmLib/ArmV7/ArmV7Lib.inf
ArmPlatformLib|BeagleBoardPkg/Library/BeagleBoardLib/BeagleBoardLib.inf
ArmCpuLib|ArmPkg/Drivers/ArmCpuLib/ArmCortexA8Lib/ArmCortexA8Lib.inf
+ ArmPlatformStackLib|ArmPlatformPkg/Library/ArmPlatformStackLib/ArmPlatformStackLib.inf
HiiLib|MdeModulePkg/Library/UefiHiiLib/UefiHiiLib.inf
UefiHiiServicesLib|MdeModulePkg/Library/UefiHiiServicesLib/UefiHiiServicesLib.inf
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-26 05:19:38 +0000