1// 2// Copyright (c) 2012-2013, ARM Limited. All rights reserved. 3// 4// This program and the accompanying materials 5// are licensed and made available under the terms and conditions of the BSD License 6// which accompanies this distribution. The full text of the license may be found at 7// http://opensource.org/licenses/bsd-license.php 8// 9// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 10// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 11// 12// 13 14#include <AsmMacroIoLib.h> 15#include <Library/ArmLib.h> 16 17 INCLUDE AsmMacroIoLib.inc 18 19 EXPORT ArmPlatformPeiBootAction 20 EXPORT ArmPlatformGetCorePosition 21 EXPORT ArmPlatformGetPrimaryCoreMpId 22 EXPORT ArmPlatformIsPrimaryCore 23 24 IMPORT _gPcd_FixedAtBuild_PcdArmPrimaryCore 25 IMPORT _gPcd_FixedAtBuild_PcdArmPrimaryCoreMask 26 27 PRESERVE8 28 AREA ArmPlatformNullHelper, CODE, READONLY 29 30ArmPlatformPeiBootAction FUNCTION 31 bx lr 32 ENDFUNC 33 34//UINTN 35//ArmPlatformGetCorePosition ( 36// IN UINTN MpId 37// ); 38ArmPlatformGetCorePosition FUNCTION 39 and r1, r0, #ARM_CORE_MASK 40 and r0, r0, #ARM_CLUSTER_MASK 41 add r0, r1, r0, LSR #7 42 bx lr 43 ENDFUNC 44 45//UINTN 46//ArmPlatformGetPrimaryCoreMpId ( 47// VOID 48// ); 49ArmPlatformGetPrimaryCoreMpId FUNCTION 50 LoadConstantToReg (_gPcd_FixedAtBuild_PcdArmPrimaryCore, r0) 51 ldr r0, [r0] 52 bx lr 53 ENDFUNC 54 55//UINTN 56//ArmPlatformIsPrimaryCore ( 57// IN UINTN MpId 58// ); 59ArmPlatformIsPrimaryCore FUNCTION 60 LoadConstantToReg (_gPcd_FixedAtBuild_PcdArmPrimaryCoreMask, r1) 61 ldr r1, [r1] 62 and r0, r0, r1 63 LoadConstantToReg (_gPcd_FixedAtBuild_PcdArmPrimaryCore, r1) 64 ldr r1, [r1] 65 cmp r0, r1 66 moveq r0, #1 67 movne r0, #0 68 bx lr 69 ENDFUNC 70 71 END 72 73