arch_inlines.h

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/*
 * Copyright 2022 IoT.bzh
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_INCLUDE_ARCH_ARM_ARCH_INLINES_H
#define ZEPHYR_INCLUDE_ARCH_ARM_ARCH_INLINES_H
 
#include <zephyr/kernel_structs.h>
#if defined(CONFIG_CPU_AARCH32_CORTEX_R) || defined(CONFIG_CPU_AARCH32_CORTEX_A)
#include <zephyr/arch/arm/cortex_a_r/lib_helpers.h>
#include <zephyr/arch/arm/cortex_a_r/tpidruro.h>
 
static ALWAYS_INLINE _cpu_t *arch_curr_cpu(void)
{
        return (_cpu_t *)(read_tpidruro() & TPIDRURO_CURR_CPU);
}
#else
 
#ifndef CONFIG_SMP
static ALWAYS_INLINE _cpu_t *arch_curr_cpu(void)
{
        /* Dummy implementation always return the first cpu */
        return &_kernel.cpus[0];
}
#endif
#endif
 
static ALWAYS_INLINE uint32_t arch_proc_id(void)
{
        /*
         * Placeholder implementation to be replaced with an architecture
         * specific call to get processor ID
         */
        return arch_curr_cpu()->id;
}
 
static ALWAYS_INLINE unsigned int arch_num_cpus(void)
{
        return CONFIG_MP_MAX_NUM_CPUS;
}
 
#endif /* ZEPHYR_INCLUDE_ARCH_ARM_ARCH_INLINES_H */