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 24 GCC_ASM_EXPORT(ArmPlatformPeiBootAction) 25 GCC_ASM_EXPORT(ArmPlatformIsPrimaryCore) 26 GCC_ASM_EXPORT(ArmPlatformGetPrimaryCoreMpId) 27 GCC_ASM_EXPORT(ArmPlatformGetCorePosition) 28 GCC_ASM_EXPORT(ArmGetPhysAddrTop) 29 30 GCC_ASM_IMPORT(_gPcd_FixedAtBuild_PcdArmPrimaryCore) 31 GCC_ASM_IMPORT(_gPcd_FixedAtBuild_PcdArmPrimaryCoreMask) 32 GCC_ASM_IMPORT(_gPcd_FixedAtBuild_PcdCoreCount) 33 34 ASM_PFX(ArmPlatformPeiBootAction): 35 bx lr 36 37 //UINTN 38 //ArmPlatformGetPrimaryCoreMpId ( 39 // VOID 40 // ); 41 ASM_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 // ); 50 ASM_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 59 ASM_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 // ); 69 ASM_PFX(ArmGetPhysAddrTop): 70 mov r0, #0x00000000 71 mov r1, #0x10000 72 bx lr 73 74 ASM_FUNCTION_REMOVE_IF_UNREFERENCED 75
