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/** @file
*
* Copyright (c) 2013-2014, 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 <AsmMacroIoLibV8.h>
#include <Library/ArmLib.h>
//UINTN
//ArmPlatformGetCorePosition (
// IN UINTN MpId
// );
// With this function: CorePos = (ClusterId * 2) + CoreId
ASM_FUNC(ArmPlatformGetCorePosition)
and x1, x0, #ARM_CORE_MASK
and x0, x0, #ARM_CLUSTER_MASK
add x0, x1, x0, LSR #7
ret
//UINTN
//ArmPlatformGetPrimaryCoreMpId (
// VOID
// );
ASM_FUNC(ArmPlatformGetPrimaryCoreMpId)
ldr w0, PrimaryCoreMpid
ret
//UINTN
//ArmPlatformIsPrimaryCore (
// IN UINTN MpId
// );
ASM_FUNC(ArmPlatformIsPrimaryCore)
MOV32 (w1, FixedPcdGet32 (PcdArmPrimaryCoreMask))
and x0, x0, x1
ldr w1, PrimaryCoreMpid
cmp w0, w1
cset x0, eq
ret
ASM_FUNC(ArmPlatformPeiBootAction)
// The trusted firmware passes the primary CPU MPID through x0 register.
// Save it in a variable.
adr x1, PrimaryCoreMpid
str w0, [x1]
ret
PrimaryCoreMpid: .word 0x0
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