88 lines
2.7 KiB
C
88 lines
2.7 KiB
C
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/*
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*********************************************************************************************************
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* uC/CPU
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* CPU CONFIGURATION & PORT LAYER
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*
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* Copyright 2004-2021 Silicon Laboratories Inc. www.silabs.com
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*
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* SPDX-License-Identifier: APACHE-2.0
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*
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* This software is subject to an open source license and is distributed by
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* Silicon Laboratories Inc. pursuant to the terms of the Apache License,
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* Version 2.0 available at www.apache.org/licenses/LICENSE-2.0.
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*
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*********************************************************************************************************
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*/
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/*
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*********************************************************************************************************
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*
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* CPU PORT FILE
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*
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* Nios II
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* GNU C Compiler
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*
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* Filename : cpu_c.c
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* Version : V1.32.01
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*********************************************************************************************************
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*/
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/*
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*********************************************************************************************************
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* INCLUDE FILES
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*********************************************************************************************************
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*/
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#define MICRIUM_SOURCE
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#include <cpu.h>
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#include <cpu_core.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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*********************************************************************************************************
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* CPU_SR_Save()
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*
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* Description : This function disables interrupts for critical sections of code.
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*
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* Argument(s) : none.
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*
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* Return(s) : The CPU's status register, so that interrupts can later be returned to their original
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* state.
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*
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* Note(s) : none.
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*********************************************************************************************************
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*/
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CPU_SR CPU_SR_Save (void)
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{
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return (alt_irq_disable_all());
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}
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/*
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*********************************************************************************************************
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* CPU_SR_Restore()
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*
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* Description : Restores interrupts after critical sections of code.
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*
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* Argument(s) : cpu_sr The interrupt status that will be restored.
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*
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* Return(s) : none.
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*
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* Note(s) : none.
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*********************************************************************************************************
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*/
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void CPU_SR_Restore (CPU_SR cpu_sr)
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{
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alt_irq_enable_all(cpu_sr);
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}
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#ifdef __cplusplus
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}
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#endif
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