ArmPlatformPkg: Retire ArmPlatformStackLib

ArmPlatformStackLib is no longer used so it can be retired.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>

4 files changed, 0 insertions, 232 deletions

diff --git a/ArmPlatformPkg/ArmPlatformPkg.dsc b/ArmPlatformPkg/ArmPlatformPkg.dsc
index bc6f2b5ede..f87c7d50f5 100644
--- a/ArmPlatformPkg/ArmPlatformPkg.dsc
+++ b/ArmPlatformPkg/ArmPlatformPkg.dsc
@@ -40,7 +40,6 @@
   ArmGicLib|ArmPkg/Drivers/ArmGic/ArmGicLib.inf

   ArmLib|ArmPkg/Library/ArmLib/ArmBaseLib.inf

   ArmPlatformLib|ArmPlatformPkg/Library/ArmPlatformLibNull/ArmPlatformLibNull.inf

-  ArmPlatformStackLib|ArmPlatformPkg/Library/ArmPlatformStackLib/ArmPlatformStackLib.inf

   ArmMmuLib|ArmPkg/Library/ArmMmuLib/ArmMmuBaseLib.inf

   BaseLib|MdePkg/Library/BaseLib/BaseLib.inf

   BaseMemoryLib|MdePkg/Library/BaseMemoryLib/BaseMemoryLib.inf

@@ -103,7 +102,6 @@
   ArmPlatformPkg/Drivers/SP805WatchdogDxe/SP805WatchdogDxe.inf

 

   ArmPlatformPkg/Library/ArmPlatformLibNull/ArmPlatformLibNull.inf

-  ArmPlatformPkg/Library/ArmPlatformStackLib/ArmPlatformStackLib.inf

   ArmPlatformPkg/Library/HdLcd/HdLcd.inf

   ArmPlatformPkg/Library/LcdHwNullLib/LcdHwNullLib.inf

   ArmPlatformPkg/Library/LcdPlatformNullLib/LcdPlatformNullLib.inf

diff --git a/ArmPlatformPkg/Library/ArmPlatformStackLib/AArch64/ArmPlatformStackLib.S b/ArmPlatformPkg/Library/ArmPlatformStackLib/AArch64/ArmPlatformStackLib.S
deleted file mode 100644
index db0912c19f..0000000000
--- a/ArmPlatformPkg/Library/ArmPlatformStackLib/AArch64/ArmPlatformStackLib.S
+++ /dev/null
@@ -1,99 +0,0 @@
-//

-//  Copyright (c) 2012-2014, ARM Limited. All rights reserved.

-//

-//  SPDX-License-Identifier: BSD-2-Clause-Patent

-//

-//

-

-#include <AsmMacroIoLibV8.h>

-

-//VOID

-//ArmPlatformStackSet (

-//  IN UINTN StackBase,

-//  IN UINTN MpId,

-//  IN UINTN PrimaryStackSize,

-//  IN UINTN SecondaryStackSize

-//  );

-ASM_FUNC(ArmPlatformStackSet)

-  // Save parameters

-  mov   x26, x3

-  mov   x25, x2

-  mov   x24, x1

-  mov   x23, x0

-

-  // Save the Link register

-  mov   x27, x30

-

-  // Identify Stack

-  mov   x0, x1

-  bl    ASM_PFX(ArmPlatformIsPrimaryCore)

-  cmp   x0, #1

-

-  // Restore parameters

-  mov   x0, x23

-  mov   x1, x24

-  mov   x2, x25

-  mov   x3, x26

-

-  // Restore the Link register

-  mov   x30, x27

-

-  b.ne  0f

-

-  b     ASM_PFX(ArmPlatformStackSetPrimary)

-0:b     ASM_PFX(ArmPlatformStackSetSecondary)

-

-//VOID

-//ArmPlatformStackSetPrimary (

-//  IN UINTN StackBase,

-//  IN UINTN MpId,

-//  IN UINTN PrimaryStackSize,

-//  IN UINTN SecondaryStackSize

-//  );

-ASM_FUNC(ArmPlatformStackSetPrimary)

-  // Add size of primary stack to StackBase

-  add   x0, x0, x2

-

-  // Compute SecondaryCoresCount * SecondaryCoreStackSize

-  MOV32 (w1, FixedPcdGet32(PcdCoreCount) - 1)

-  mul   x3, x3, x1

-

-  // Set Primary Stack ((StackBase + PrimaryStackSize) + (SecondaryCoresCount * SecondaryCoreStackSize))

-  add   sp, x0, x3

-

-  ret

-

-//VOID

-//ArmPlatformStackSetSecondary (

-//  IN UINTN StackBase,

-//  IN UINTN MpId,

-//  IN UINTN PrimaryStackSize,

-//  IN UINTN SecondaryStackSize

-//  );

-ASM_FUNC(ArmPlatformStackSetSecondary)

-  // Save the Link register

-  mov   x24, x30

-  mov   sp, x0

-

-  // Get Core Position

-  mov   x0, x1

-  bl    ASM_PFX(ArmPlatformGetCorePosition)

-  mov   x25, x0

-

-  // 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   x25, x0

-

-  // Decrement the position if after the primary core

-  cinc  x25, x25, ls

-

-  // Compute top of the secondary stack

-  mul   x3, x3, x25

-

-  // Set stack

-  add   sp, sp, x3

-

-  ret   x24

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

-

diff --git a/ArmPlatformPkg/Library/ArmPlatformStackLib/ArmPlatformStackLib.inf b/ArmPlatformPkg/Library/ArmPlatformStackLib/ArmPlatformStackLib.inf
deleted file mode 100644
index dfa0e7b9e7..0000000000
--- a/ArmPlatformPkg/Library/ArmPlatformStackLib/ArmPlatformStackLib.inf
+++ /dev/null
@@ -1,33 +0,0 @@
-#/* @file

-#

-#  Copyright (c) 2012, ARM Limited. All rights reserved.

-#

-#  SPDX-License-Identifier: BSD-2-Clause-Patent

-#

-#*/

-

-[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.ARM]

-  Arm/ArmPlatformStackLib.S       | GCC

-

-[Sources.AARCH64]

-  AArch64/ArmPlatformStackLib.S

-

-[LibraryClasses]

-  ArmPlatformLib

-

-[FixedPcd]

-  gArmPlatformTokenSpaceGuid.PcdCoreCount