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authorArd Biesheuvel <ardb@kernel.org>2024-07-30 19:06:52 +0200
committermergify[bot] <37929162+mergify[bot]@users.noreply.github.com>2024-08-30 08:01:28 +0000
commit76c5f035a148288fa1a4ecfa846464f546728b74 (patch)
tree3c5699cd6f68819e0e6062a44e6713ff8f25f7ff /ArmPlatformPkg/Library/ArmPlatformStackLib/Arm/ArmPlatformStackLib.S
parent391666da2c1dc5671bbb3393079d86f46e3435af (diff)
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ArmPlatformPkg: Retire ArmPlatformStackLib
ArmPlatformStackLib is no longer used so it can be retired. Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Diffstat (limited to 'ArmPlatformPkg/Library/ArmPlatformStackLib/Arm/ArmPlatformStackLib.S')
-rw-r--r--ArmPlatformPkg/Library/ArmPlatformStackLib/Arm/ArmPlatformStackLib.S98
1 files changed, 0 insertions, 98 deletions
diff --git a/ArmPlatformPkg/Library/ArmPlatformStackLib/Arm/ArmPlatformStackLib.S b/ArmPlatformPkg/Library/ArmPlatformStackLib/Arm/ArmPlatformStackLib.S
deleted file mode 100644
index 0e47032ed1..0000000000
--- a/ArmPlatformPkg/Library/ArmPlatformStackLib/Arm/ArmPlatformStackLib.S
+++ /dev/null
@@ -1,98 +0,0 @@
-//
-// Copyright (c) 2012-2013, ARM Limited. All rights reserved.
-//
-// SPDX-License-Identifier: BSD-2-Clause-Patent
-//
-//
-
-#include <AsmMacroIoLib.h>
-
-//VOID
-//ArmPlatformStackSet (
-// IN UINTN StackBase,
-// IN UINTN MpId,
-// IN UINTN PrimaryStackSize,
-// IN UINTN SecondaryStackSize
-// );
-ASM_FUNC(ArmPlatformStackSet)
- // Save parameters
- mov r6, r3
- mov r5, r2
- mov r4, r1
- mov r3, r0
-
- // Save the Link register
- mov r7, lr
-
- // Identify Stack
- mov r0, r1
- bl ASM_PFX(ArmPlatformIsPrimaryCore)
- cmp r0, #1
-
- // Restore parameters
- mov r0, r3
- mov r1, r4
- mov r2, r5
- mov r3, r6
-
- // Restore the Link register
- mov lr, r7
-
- beq ASM_PFX(ArmPlatformStackSetPrimary)
- bne ASM_PFX(ArmPlatformStackSetSecondary)
-
-//VOID
-//ArmPlatformStackSetPrimary (
-// IN UINTN StackBase,
-// IN UINTN MpId,
-// IN UINTN PrimaryStackSize,
-// IN UINTN SecondaryStackSize
-// );
-ASM_FUNC(ArmPlatformStackSetPrimary)
- mov r4, lr
-
- // Add stack of primary stack to StackBase
- add r0, r0, r2
-
- // Compute SecondaryCoresCount * SecondaryCoreStackSize
- MOV32 (r1, FixedPcdGet32(PcdCoreCount) - 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_FUNC(ArmPlatformStackSetSecondary)
- mov r4, lr
- mov sp, r0
-
- // Get Core Position
- mov r0, r1
- bl ASM_PFX(ArmPlatformGetCorePosition)
- mov r5, r0
-
- // Get Primary Core Position
- bl ASM_PFX(ArmPlatformGetPrimaryCoreMpId)
- 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
-