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 <AsmMacroIoLibV8.h> 15 #include <Library/ArmLib.h> 16 17 ASM_FUNC(ArmPlatformPeiBootAction) 18 ret 19 20 //UINTN 21 //ArmPlatformGetPrimaryCoreMpId ( 22 // VOID 23 // ); 24 ASM_FUNC(ArmPlatformGetPrimaryCoreMpId) 25 MOV32 (w0, FixedPcdGet32 (PcdArmPrimaryCore)) 26 ret 27 28 # IN None 29 # OUT x0 = number of cores present in the system 30 ASM_FUNC(ArmGetCpuCountPerCluster) 31 MOV32 (w0, FixedPcdGet32 (PcdCoreCount)) 32 ret 33 34 //UINTN 35 //ArmPlatformIsPrimaryCore ( 36 // IN UINTN MpId 37 // ); 38 ASM_FUNC(ArmPlatformIsPrimaryCore) 39 MOV32 (w1, FixedPcdGet32 (PcdArmPrimaryCoreMask)) 40 and x0, x0, x1 41 MOV32 (w1, FixedPcdGet32 (PcdArmPrimaryCore)) 42 cmp w0, w1 43 b.ne 1f 44 mov x0, #1 45 ret 46 1: 47 mov x0, #0 48 ret 49 50 //UINTN 51 //ArmPlatformGetCorePosition ( 52 // IN UINTN MpId 53 // ); 54 // With this function: CorePos = (ClusterId * 4) + CoreId 55 ASM_FUNC(ArmPlatformGetCorePosition) 56 and x1, x0, #ARM_CORE_MASK 57 and x0, x0, #ARM_CLUSTER_MASK 58 add x0, x1, x0, LSR #6 59 ret 60 61 ASM_FUNCTION_REMOVE_IF_UNREFERENCED 62
