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40f4c70280
Create library instances of reading Machine mode timer. - MacineModeTimerLib is used to read mtime CSR through platfrom library. - EmulatedMacineModeTimerLib is used to read mtime CSR through shadow CSR. Cc: Sunil V L <sunilvl@ventanamicro.com> Cc: Daniel Schaefer <daniel.schaefer@hpe.com> Signed-off-by: Abner Chang <abner.chang@hpe.com> Reviewed-by: Daniel Schaefer <daniel.schaefer@hpe.com> Reviewed-by: Sunil V L <sunilvl@ventanamicro.com>
26 lines
632 B
ArmAsm
26 lines
632 B
ArmAsm
//------------------------------------------------------------------------------
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//
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// Read mtimer through platform library.
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//
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// Copyright (c) 2021, Hewlett Packard Enterprise Development LP. All rights reserved.<BR>
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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 <RiscVImpl.h>
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.data
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.text
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.align 3
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.global ASM_PFX(RiscVReadMachineTimerInterface)
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//
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// Read machine mode timer CSR.
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// @retval a0 : 64-bit machine timer.
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//
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ASM_PFX (RiscVReadMachineTimerInterface):
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call RiscVReadMachineTimer
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ret
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