1// 2// Copyright (c) 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 <AutoGen.h> 18 19 INCLUDE AsmMacroIoLib.inc 20 21 EXPORT ArmPlatformPeiBootAction 22 EXPORT ArmPlatformIsPrimaryCore 23 EXPORT ArmPlatformGetPrimaryCoreMpId 24 EXPORT ArmPlatformGetCorePosition 25 26 IMPORT _gPcd_FixedAtBuild_PcdArmPrimaryCore 27 IMPORT _gPcd_FixedAtBuild_PcdArmPrimaryCoreMask 28 29 AREA CTA9x4Helper, CODE, READONLY 30 31//UINTN 32//ArmPlatformGetPrimaryCoreMpId ( 33// VOID 34// ); 35ArmPlatformGetPrimaryCoreMpId FUNCTION 36 LoadConstantToReg (_gPcd_FixedAtBuild_PcdArmPrimaryCore, r0) 37 ldr r0, [r0] 38 bx lr 39 ENDFUNC 40 41//UINTN 42//ArmPlatformIsPrimaryCore ( 43// IN UINTN MpId 44// ); 45ArmPlatformIsPrimaryCore FUNCTION 46 LoadConstantToReg (_gPcd_FixedAtBuild_PcdArmPrimaryCoreMask, r1) 47 ldr r1, [r1] 48 and r0, r0, r1 49 LoadConstantToReg (_gPcd_FixedAtBuild_PcdArmPrimaryCore, r1) 50 ldr r1, [r1] 51 cmp r0, r1 52 moveq r0, #1 53 movne r0, #0 54 bx lr 55 ENDFUNC 56 57//UINTN 58//ArmPlatformGetCorePosition ( 59// IN UINTN MpId 60// ); 61ArmPlatformGetCorePosition FUNCTION 62 and r0, r0, #ARM_CORE_MASK 63 bx lr 64 ENDFUNC 65 66ArmPlatformPeiBootAction FUNCTION 67 bx lr 68 ENDFUNC 69 70 END 71