Zephyr Project API 3.7.0
A Scalable Open Source RTOS
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arch_inlines.h
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1/*
2 * Copyright (c) 2021 Intel Corporation
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7#ifndef ZEPHYR_INCLUDE_ARCH_RISCV_ARCH_INLINES_H_
8#define ZEPHYR_INCLUDE_ARCH_RISCV_ARCH_INLINES_H_
9
10#ifndef _ASMLANGUAGE
11
13#include "csr.h"
14
16{
17 return csr_read(mhartid) & ((uintptr_t)CONFIG_RISCV_HART_MASK);
18}
19
20static ALWAYS_INLINE _cpu_t *arch_curr_cpu(void)
21{
22#if defined(CONFIG_SMP) || defined(CONFIG_USERSPACE)
23 return (_cpu_t *)csr_read(mscratch);
24#else
25 return &_kernel.cpus[0];
26#endif
27}
28
29static ALWAYS_INLINE unsigned int arch_num_cpus(void)
30{
31 return CONFIG_MP_MAX_NUM_CPUS;
32}
33
34#endif /* !_ASMLANGUAGE */
35#endif /* ZEPHYR_INCLUDE_ARCH_RISCV_ARCH_INLINES_H_ */
static ALWAYS_INLINE _cpu_t * arch_curr_cpu(void)
Definition arch_inlines.h:17
static ALWAYS_INLINE uint32_t arch_proc_id(void)
Definition arch_inlines.h:30
static ALWAYS_INLINE unsigned int arch_num_cpus(void)
Definition arch_inlines.h:39
#define ALWAYS_INLINE
Definition common.h:129
#define csr_read(csr)
Definition csr.h:185
__UINT32_TYPE__ uint32_t
Definition stdint.h:90
__UINTPTR_TYPE__ uintptr_t
Definition stdint.h:105