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- /** @file
- Copyright (c) 2022 Loongson Technology Corporation Limited. All rights reserved.<BR>
- SPDX-License-Identifier: BSD-2-Clause-Patent
- @par Glossary:
- - Csr - Cpu Status Register
- - Calc - Calculation
- - Freq - frequency
- **/
- #ifndef STABLE_TIMER_H_
- #define STABLE_TIMER_H_
- #include "Library/Cpu.h"
- /**
- Gets the timer count value.
- @param[] VOID
- @retval timer count value.
- **/
- extern
- UINTN
- EFIAPI
- LoongArchReadTime (
- VOID
- );
- /**
- Calculate the timer frequency.
- @param[] VOID
- @retval Timer frequency.
- **/
- UINT32
- EFIAPI
- CalcConstFreq (
- VOID
- );
- /*
- Reads data from the specified CPUCFG register.
- @param[OUT] Val Pointer to the variable used to store the CPUCFG register value.
- @param[IN] reg Specifies the register number of the CPUCFG to read the data.
- @retval none
- */
- extern
- VOID
- LoongArchReadCpuCfg (
- UINT64 *Val,
- UINT64 reg
- );
- #endif // STABLE_TIMER_H_
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