/** @file
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*
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* Copyright (c) 2018, ARM Limited. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-2-Clause-Patent
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*
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**/
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#include <AsmMacroIoLibV8.h>
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#include <Library/ArmLib.h>
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.text
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.align 3
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GCC_ASM_EXPORT(ArmPlatformPeiBootAction)
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GCC_ASM_EXPORT(ArmPlatformGetCorePosition)
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GCC_ASM_EXPORT(ArmPlatformGetPrimaryCoreMpId)
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GCC_ASM_EXPORT(ArmPlatformIsPrimaryCore)
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GCC_ASM_IMPORT(NtFwConfigDtBlob)
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//
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// First platform specific function to be called in the PEI phase
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//
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// The trusted firmware passed the hw config DT blob in x1 register.
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// Keep a copy of it in a global variable.
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//VOID
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//ArmPlatformPeiBootAction (
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// VOID
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// );
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ASM_PFX(ArmPlatformPeiBootAction):
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adr x10, NtFwConfigDtBlob
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str x0, [x10]
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ret
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//UINTN
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//ArmPlatformGetCorePosition (
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// IN UINTN MpId
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// );
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// With this function: CorePos = (ClusterId * 2) + CoreId
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ASM_PFX(ArmPlatformGetCorePosition):
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and x1, x0, #ARM_CORE_MASK
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and x0, x0, #ARM_CLUSTER_MASK
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add x0, x1, x0, LSR #7
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ret
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//UINTN
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//ArmPlatformGetPrimaryCoreMpId (
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// VOID
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// );
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ASM_PFX(ArmPlatformGetPrimaryCoreMpId):
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MOV32 (w0, FixedPcdGet32(PcdArmPrimaryCore))
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ret
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//UINTN
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//ArmPlatformIsPrimaryCore (
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// IN UINTN MpId
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// );
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ASM_PFX(ArmPlatformIsPrimaryCore):
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MOV32 (w1, FixedPcdGet32(PcdArmPrimaryCoreMask))
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and x0, x0, x1
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MOV32 (w1, FixedPcdGet32(PcdArmPrimaryCore))
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cmp w0, w1
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cset x0, eq
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ret
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