2023-10-14 13:07:45 +08:00
|
|
|
/*
|
|
|
|
* Copyright (c) 2006-2023, RT-Thread Development Team
|
|
|
|
*
|
|
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
|
|
*
|
|
|
|
* Change Logs:
|
|
|
|
* Date Author Notes
|
|
|
|
* 2023-07-25 Shell first version
|
|
|
|
*/
|
|
|
|
|
|
|
|
#ifndef __LWP_INTERNAL_H__
|
|
|
|
#define __LWP_INTERNAL_H__
|
|
|
|
|
|
|
|
#include "lwp.h"
|
2023-10-21 20:14:45 +08:00
|
|
|
#include "lwp_user_mm.h"
|
|
|
|
|
|
|
|
#include <rtthread.h>
|
2023-10-14 13:07:45 +08:00
|
|
|
#include "libc_musl.h"
|
|
|
|
|
|
|
|
struct rt_lwp;
|
|
|
|
rt_err_t lwp_mutex_take_safe(rt_mutex_t mtx, rt_int32_t timeout, rt_bool_t interruptable);
|
|
|
|
rt_err_t lwp_mutex_release_safe(rt_mutex_t mtx);
|
|
|
|
|
|
|
|
#ifdef RT_USING_SMP
|
|
|
|
#define LOCAL_IRQ_MASK() rt_hw_local_irq_disable()
|
|
|
|
#define LOCAL_IRQ_UNMASK(level) rt_hw_local_irq_enable(level)
|
|
|
|
#else
|
|
|
|
#define LOCAL_IRQ_MASK() rt_hw_interrupt_disable()
|
|
|
|
#define LOCAL_IRQ_UNMASK(level) rt_hw_interrupt_enable(level)
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#ifndef LWP_USING_CPUS_LOCK
|
|
|
|
rt_err_t lwp_critical_enter(struct rt_lwp *lwp);
|
|
|
|
rt_err_t lwp_critical_exit(struct rt_lwp *lwp);
|
|
|
|
|
|
|
|
#define LWP_LOCK(lwp) \
|
|
|
|
do { \
|
|
|
|
RT_DEBUG_SCHEDULER_AVAILABLE(1); \
|
|
|
|
if (lwp_critical_enter(lwp) != RT_EOK) \
|
|
|
|
{ \
|
|
|
|
RT_ASSERT(0); \
|
|
|
|
} \
|
|
|
|
} while (0)
|
|
|
|
|
|
|
|
#define LWP_UNLOCK(lwp) \
|
|
|
|
do { \
|
|
|
|
if (lwp_critical_exit(lwp) != RT_EOK) \
|
|
|
|
{ \
|
|
|
|
RT_ASSERT(0); \
|
|
|
|
} \
|
|
|
|
} while (0)
|
|
|
|
|
|
|
|
#else
|
|
|
|
|
|
|
|
#define LWP_LOCK(lwp) rt_base_t level = rt_hw_interrupt_disable()
|
|
|
|
#define LWP_UNLOCK(lwp) rt_hw_interrupt_enable(level)
|
|
|
|
|
|
|
|
#endif /* LWP_USING_CPUS_LOCK */
|
|
|
|
|
|
|
|
/* cpus lock */
|
|
|
|
#ifdef LWP_OVERRIDE_CPUS_LOCK
|
|
|
|
#undef rt_hw_interrupt_disable
|
|
|
|
#undef rt_hw_interrupt_enable
|
|
|
|
|
|
|
|
#define rt_hw_interrupt_disable() ({ \
|
|
|
|
rt_base_t irq = rt_hw_interrupt_is_disabled(); \
|
|
|
|
if (irq) \
|
|
|
|
{ \
|
|
|
|
LOG_W("Nested interrupt disable"); \
|
|
|
|
rt_backtrace(); \
|
|
|
|
irq = 0xabadcafe; \
|
|
|
|
} else { \
|
|
|
|
irq = rt_cpus_lock(); \
|
|
|
|
} \
|
|
|
|
irq; \
|
|
|
|
})
|
|
|
|
|
|
|
|
#define rt_hw_interrupt_enable(level) do { \
|
|
|
|
if (level != 0xabadcafe) \
|
|
|
|
rt_cpus_unlock(level); \
|
|
|
|
} while (0)
|
|
|
|
#endif /* LWP_OVERRIDE_CPUS_LOCK */
|
|
|
|
|
|
|
|
/**
|
2023-10-25 20:31:25 +08:00
|
|
|
* Brief: Return code with safety check
|
2023-10-14 13:07:45 +08:00
|
|
|
* There tend to be chances where a return value is returned without correctly init
|
|
|
|
*/
|
|
|
|
#ifndef LWP_DEBUG
|
2024-02-23 17:49:15 +08:00
|
|
|
#define LWP_DEF_RETURN_CODE(name) rt_err_t name;RT_UNUSED(name)
|
|
|
|
#define LWP_RETURN(name) return name
|
2023-10-14 13:07:45 +08:00
|
|
|
|
|
|
|
#else
|
2023-10-25 20:31:25 +08:00
|
|
|
#define _LWP_UNINITIALIZED_RC 0xbeefcafe
|
2024-02-23 17:49:15 +08:00
|
|
|
#define LWP_DEF_RETURN_CODE(name) rt_err_t name = _LWP_UNINITIALIZED_RC
|
|
|
|
#define LWP_RETURN(name) {RT_ASSERT(name != _LWP_UNINITIALIZED_RC);return name;}
|
2023-10-14 13:07:45 +08:00
|
|
|
#endif /* LWP_DEBUG */
|
|
|
|
|
|
|
|
#endif /* __LWP_INTERNAL_H__ */
|