1# 2# Copyright (c) 2011-2013, ARM Limited. All rights reserved. 3# Copyright (c) 2014, Linaro Limited. All rights reserved. 4# 5# This program and the accompanying materials 6# are licensed and made available under the terms and conditions of the BSD License 7# which accompanies this distribution. The full text of the license may be found at 8# http://opensource.org/licenses/bsd-license.php 9# 10# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 11# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 12# 13# 14 15#include <AsmMacroIoLib.h> 16#include <Base.h> 17#include <Library/ArmLib.h> 18#include <Library/PcdLib.h> 19#include <AutoGen.h> 20 21.text 22.align 2 23 24GCC_ASM_EXPORT(ArmPlatformPeiBootAction) 25GCC_ASM_EXPORT(ArmPlatformIsPrimaryCore) 26GCC_ASM_EXPORT(ArmPlatformGetPrimaryCoreMpId) 27GCC_ASM_EXPORT(ArmPlatformGetCorePosition) 28GCC_ASM_EXPORT(ArmGetPhysAddrTop) 29 30GCC_ASM_IMPORT(_gPcd_FixedAtBuild_PcdArmPrimaryCore) 31GCC_ASM_IMPORT(_gPcd_FixedAtBuild_PcdArmPrimaryCoreMask) 32GCC_ASM_IMPORT(_gPcd_FixedAtBuild_PcdCoreCount) 33 34ASM_PFX(ArmPlatformPeiBootAction): 35 bx lr 36 37//UINTN 38//ArmPlatformGetPrimaryCoreMpId ( 39// VOID 40// ); 41ASM_PFX(ArmPlatformGetPrimaryCoreMpId): 42 LoadConstantToReg (_gPcd_FixedAtBuild_PcdArmPrimaryCore, r0) 43 ldr r0, [r0] 44 bx lr 45 46//UINTN 47//ArmPlatformIsPrimaryCore ( 48// IN UINTN MpId 49// ); 50ASM_PFX(ArmPlatformIsPrimaryCore): 51 mov r0, #1 52 bx lr 53 54//UINTN 55//ArmPlatformGetCorePosition ( 56// IN UINTN MpId 57// ); 58// With this function: CorePos = (ClusterId * 4) + CoreId 59ASM_PFX(ArmPlatformGetCorePosition): 60 and r1, r0, #ARM_CORE_MASK 61 and r0, r0, #ARM_CLUSTER_MASK 62 add r0, r1, r0, LSR #6 63 bx lr 64 65//EFI_PHYSICAL_ADDRESS 66//GetPhysAddrTop ( 67// VOID 68// ); 69ASM_PFX(ArmGetPhysAddrTop): 70 mov r0, #0x00000000 71 mov r1, #0x10000 72 bx lr 73 74ASM_FUNCTION_REMOVE_IF_UNREFERENCED 75