icsr.h

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/*
 * SPDX-FileCopyrightText: Copyright The Zephyr Project Contributors
 * SPDX-License-Identifier: Apache-2.0
 */

 
#ifndef ZEPHYR_INCLUDE_ARCH_RISCV_ICSR_H_
#define ZEPHYR_INCLUDE_ARCH_RISCV_ICSR_H_
 
#include <zephyr/arch/riscv/csr.h>
#include <zephyr/irq.h>
 
#ifdef CONFIG_RISCV_ISA_EXT_SMCSRIND

static inline unsigned long micsr_read(unsigned int index)
{
        unsigned int key = irq_lock();
 
        csr_write(MISELECT, index);
        unsigned long val = csr_read(MIREG);
 
        irq_unlock(key);
        return val;
}

static inline void micsr_write(unsigned int index, unsigned long value)
{
        unsigned int key = irq_lock();
 
        csr_write(MISELECT, index);
        csr_write(MIREG, value);
 
        irq_unlock(key);
}

static inline void micsr_set(unsigned int index, unsigned long mask)
{
        unsigned int key = irq_lock();
 
        csr_write(MISELECT, index);
        csr_set(MIREG, mask);
 
        irq_unlock(key);
}

static inline void micsr_clear(unsigned int index, unsigned long mask)
{
        unsigned int key = irq_lock();
 
        csr_write(MISELECT, index);
        csr_clear(MIREG, mask);
 
        irq_unlock(key);
}

static inline unsigned long micsr_read_set(unsigned int index, unsigned long mask)
{
        unsigned int key = irq_lock();
 
        csr_write(MISELECT, index);
        unsigned long val = csr_read_set(MIREG, mask);
 
        irq_unlock(key);
        return val;
}

static inline unsigned long micsr_read_clear(unsigned int index, unsigned long mask)
{
        unsigned int key = irq_lock();
 
        csr_write(MISELECT, index);
        unsigned long val = csr_read_clear(MIREG, mask);
 
        irq_unlock(key);
        return val;
}

static inline unsigned long micsr2_read(unsigned int index)
{
        unsigned int key = irq_lock();
 
        csr_write(MISELECT, index);
        unsigned long val = csr_read(MIREG2);
 
        irq_unlock(key);
        return val;
}

static inline void micsr2_write(unsigned int index, unsigned long value)
{
        unsigned int key = irq_lock();
 
        csr_write(MISELECT, index);
        csr_write(MIREG2, value);
 
        irq_unlock(key);
}

static inline void micsr2_set(unsigned int index, unsigned long mask)
{
        unsigned int key = irq_lock();
 
        csr_write(MISELECT, index);
        csr_set(MIREG2, mask);
 
        irq_unlock(key);
}

static inline void micsr2_clear(unsigned int index, unsigned long mask)
{
        unsigned int key = irq_lock();
 
        csr_write(MISELECT, index);
        csr_clear(MIREG2, mask);
 
        irq_unlock(key);
}

static inline unsigned long micsr2_read_set(unsigned int index, unsigned long mask)
{
        unsigned int key = irq_lock();
 
        csr_write(MISELECT, index);
        unsigned long val = csr_read_set(MIREG2, mask);
 
        irq_unlock(key);
        return val;
}

static inline unsigned long micsr2_read_clear(unsigned int index, unsigned long mask)
{
        unsigned int key = irq_lock();
 
        csr_write(MISELECT, index);
        unsigned long val = csr_read_clear(MIREG2, mask);
 
        irq_unlock(key);
        return val;
}
 
#endif /* CONFIG_RISCV_ISA_EXT_SMCSRIND */
 
#endif /* ZEPHYR_INCLUDE_ARCH_RISCV_ICSR_H_ */