# # Copyright (c) 2011-2013, ARM Limited. All rights reserved. # # This program and the accompanying materials # are licensed and made available under the terms and conditions of the BSD License # which accompanies this distribution. The full text of the license may be found at # http://opensource.org/licenses/bsd-license.php # # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. # # #include #include ASM_FUNC(ArmPlatformPeiBootAction) ret //UINTN //ArmPlatformGetPrimaryCoreMpId ( // VOID // ); ASM_FUNC(ArmPlatformGetPrimaryCoreMpId) MOV32 (w0, FixedPcdGet32 (PcdArmPrimaryCore)) ret # IN None # OUT x0 = number of cores present in the system ASM_FUNC(ArmGetCpuCountPerCluster) MOV32 (w0, FixedPcdGet32 (PcdCoreCount)) ret //UINTN //ArmPlatformIsPrimaryCore ( // IN UINTN MpId // ); ASM_FUNC(ArmPlatformIsPrimaryCore) MOV32 (w1, FixedPcdGet32 (PcdArmPrimaryCoreMask)) and x0, x0, x1 MOV32 (w1, FixedPcdGet32 (PcdArmPrimaryCore)) cmp w0, w1 b.ne 1f mov x0, #1 ret 1: mov x0, #0 ret //UINTN //ArmPlatformGetCorePosition ( // IN UINTN MpId // ); // With this function: CorePos = (ClusterId * 4) + CoreId ASM_FUNC(ArmPlatformGetCorePosition) and x1, x0, #ARM_CORE_MASK and x0, x0, #ARM_CLUSTER_MASK add x0, x1, x0, LSR #6 ret ASM_FUNCTION_REMOVE_IF_UNREFERENCED