diff options
Diffstat (limited to 'ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA15-A7/CTA15-A7Helper.asm')
-rw-r--r-- | ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA15-A7/CTA15-A7Helper.asm | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA15-A7/CTA15-A7Helper.asm b/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA15-A7/CTA15-A7Helper.asm deleted file mode 100644 index f377cf2e72..0000000000 --- a/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA15-A7/CTA15-A7Helper.asm +++ /dev/null @@ -1,97 +0,0 @@ -//
-// Copyright (c) 2012-2013, 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 <Library/ArmLib.h>
-
-#include <ArmPlatform.h>
-
- INCLUDE AsmMacroIoLib.inc
-
- EXPORT ArmPlatformPeiBootAction
- EXPORT ArmPlatformGetCorePosition
- EXPORT ArmPlatformIsPrimaryCore
- EXPORT ArmPlatformGetPrimaryCoreMpId
-
- PRESERVE8
- AREA CTA15A7Helper, CODE, READONLY
-
-ArmPlatformPeiBootAction FUNCTION
- bx lr
- ENDFUNC
-
-//UINTN
-//ArmPlatformGetCorePosition (
-// IN UINTN MpId
-// );
-ArmPlatformGetCorePosition FUNCTION
- and r1, r0, #ARM_CORE_MASK
- and r0, r0, #ARM_CLUSTER_MASK
- add r0, r1, r0, LSR #7
- bx lr
- ENDFUNC
-
-//UINTN
-//ArmPlatformIsPrimaryCore (
-// IN UINTN MpId
-// );
-ArmPlatformIsPrimaryCore FUNCTION
- // Extract cpu_id and cluster_id from ARM_SCC_CFGREG48
- // with cpu_id[0:3] and cluster_id[4:7]
- LoadConstantToReg (ARM_CTA15A7_SCC_CFGREG48, r1)
- ldr r1, [r1]
- lsr r1, #24
-
- // Shift the SCC value to get the cluster ID at the offset #8
- lsl r2, r1, #4
- and r2, r2, #0xF00
-
- // Keep only the cpu ID from the original SCC
- and r1, r1, #0x0F
- // Add the Cluster ID to the Cpu ID
- orr r1, r1, r2
-
- // Keep the Cluster ID and Core ID from the MPID
- LoadConstantToReg (ARM_CLUSTER_MASK :OR: ARM_CORE_MASK, r2)
- and r0, r0, r2
-
- // Compare mpid and boot cpu from ARM_SCC_CFGREG48
- cmp r0, r1
- moveq r0, #1
- movne r0, #0
- bx lr
- ENDFUNC
-
-//UINTN
-//ArmPlatformGetPrimaryCoreMpId (
-// VOID
-// );
-ArmPlatformGetPrimaryCoreMpId FUNCTION
- // Extract cpu_id and cluster_id from ARM_SCC_CFGREG48
- // with cpu_id[0:3] and cluster_id[4:7]
- LoadConstantToReg (ARM_CTA15A7_SCC_CFGREG48, r0)
- ldr r0, [r0]
- lsr r0, #24
-
- // Shift the SCC value to get the cluster ID at the offset #8
- lsl r1, r0, #4
- and r1, r1, #0xF00
-
- // Keep only the cpu ID from the original SCC
- and r0, r0, #0x0F
- // Add the Cluster ID to the Cpu ID
- orr r0, r0, r1
- bx lr
- ENDFUNC
-
- END
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