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.text 18.align 2 19 20GCC_ASM_EXPORT(ArmPlatformPeiBootAction) 21GCC_ASM_EXPORT(ArmPlatformGetCorePosition) 22GCC_ASM_EXPORT(ArmPlatformGetPrimaryCoreMpId) 23GCC_ASM_EXPORT(ArmPlatformIsPrimaryCore) 24 25GCC_ASM_IMPORT(_gPcd_FixedAtBuild_PcdArmPrimaryCore) 26GCC_ASM_IMPORT(_gPcd_FixedAtBuild_PcdArmPrimaryCoreMask) 27 28ASM_PFX(ArmPlatformPeiBootAction): 29 bx lr 30 31//UINTN 32//ArmPlatformGetCorePosition ( 33// IN UINTN MpId 34// ); 35ASM_PFX(ArmPlatformGetCorePosition): 36 and r1, r0, #ARM_CORE_MASK 37 and r0, r0, #ARM_CLUSTER_MASK 38 add r0, r1, r0, LSR #7 39 bx lr 40 41//UINTN 42//ArmPlatformGetPrimaryCoreMpId ( 43// VOID 44// ); 45ASM_PFX(ArmPlatformGetPrimaryCoreMpId): 46 LoadConstantToReg (_gPcd_FixedAtBuild_PcdArmPrimaryCore, r0) 47 ldr r0, [r0] 48 bx lr 49 50//UINTN 51//ArmPlatformIsPrimaryCore ( 52// IN UINTN MpId 53// ); 54ASM_PFX(ArmPlatformIsPrimaryCore): 55 LoadConstantToReg (_gPcd_FixedAtBuild_PcdArmPrimaryCoreMask, r1) 56 ldr r1, [r1] 57 and r0, r0, r1 58 LoadConstantToReg (_gPcd_FixedAtBuild_PcdArmPrimaryCore, r1) 59 ldr r1, [r1] 60 cmp r0, r1 61 moveq r0, #1 62 movne r0, #0 63 bx lr 64