1 # 2 # Copyright (c) 2011-2013, 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 20 GCC_ASM_EXPORT(ArmPlatformPeiBootAction) 21 GCC_ASM_EXPORT(ArmPlatformIsPrimaryCore) 22 GCC_ASM_EXPORT(ArmPlatformGetPrimaryCoreMpId) 23 GCC_ASM_EXPORT(ArmPlatformGetCorePosition) 24 25 GCC_ASM_IMPORT(_gPcd_FixedAtBuild_PcdArmPrimaryCore) 26 GCC_ASM_IMPORT(_gPcd_FixedAtBuild_PcdArmPrimaryCoreMask) 27 28 //UINTN 29 //ArmPlatformGetPrimaryCoreMpId ( 30 // VOID 31 // ); 32 ASM_PFX(ArmPlatformGetPrimaryCoreMpId): 33 LoadConstantToReg (_gPcd_FixedAtBuild_PcdArmPrimaryCore, r0) 34 ldr r0, [r0] 35 bx lr 36 37 //UINTN 38 //ArmPlatformIsPrimaryCore ( 39 // IN UINTN MpId 40 // ); 41 ASM_PFX(ArmPlatformIsPrimaryCore): 42 LoadConstantToReg (_gPcd_FixedAtBuild_PcdArmPrimaryCoreMask, r1) 43 ldr r1, [r1] 44 and r0, r0, r1 45 LoadConstantToReg (_gPcd_FixedAtBuild_PcdArmPrimaryCore, r1) 46 ldr r1, [r1] 47 cmp r0, r1 48 moveq r0, #1 49 movne r0, #0 50 bx lr 51 52 //UINTN 53 //ArmPlatformGetCorePosition ( 54 // IN UINTN MpId 55 // ); 56 ASM_PFX(ArmPlatformGetCorePosition): 57 and r0, r0, #ARM_CORE_MASK 58 bx lr 59 60 ASM_PFX(ArmPlatformPeiBootAction): 61 bx lr 62 63 ASM_FUNCTION_REMOVE_IF_UNREFERENCED 64
