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Add smp support to RT-Thread 4.0

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shaojinchun
2018-11-22 18:16:47 +08:00
parent 8ea5b77011
commit fc6bc1ad39
31 changed files with 1676 additions and 271 deletions
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include/rthw.h
+58
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@@ -10,6 +10,8 @@
* 2006-09-24 Bernard add rt_hw_context_switch_to declaration
* 2012-12-29 Bernard add rt_hw_exception_install declaration
* 2017-10-17 Hichard add some micros
* 2018-11-17 Jesven add rt_hw_spinlock_t
* add smp support
*/
#ifndef __RT_HW_H__
@@ -92,15 +94,30 @@ rt_isr_handler_t rt_hw_interrupt_install(int vector,
void *param,
char *name);
#ifdef RT_USING_SMP
rt_base_t rt_hw_local_irq_disable();
void rt_hw_local_irq_enable(rt_base_t level);
#define rt_hw_interrupt_disable rt_cpus_lock
#define rt_hw_interrupt_enable rt_cpus_unlock
#else
rt_base_t rt_hw_interrupt_disable(void);
void rt_hw_interrupt_enable(rt_base_t level);
#endif /*RT_USING_SMP*/
/*
* Context interfaces
*/
#ifdef RT_USING_SMP
void rt_hw_context_switch(rt_ubase_t from, rt_ubase_t to, struct rt_thread *to_thread);
void rt_hw_context_switch_to(rt_ubase_t to, struct rt_thread *to_thread);
void rt_hw_context_switch_interrupt(void *context, rt_ubase_t from, rt_ubase_t to, struct rt_thread *to_thread);
#else
void rt_hw_context_switch(rt_ubase_t from, rt_ubase_t to);
void rt_hw_context_switch_to(rt_ubase_t to);
void rt_hw_context_switch_interrupt(rt_ubase_t from, rt_ubase_t to);
#endif /*RT_USING_SMP*/
void rt_hw_console_output(const char *str);
@@ -117,6 +134,47 @@ void rt_hw_exception_install(rt_err_t (*exception_handle)(void *context));
*/
void rt_hw_us_delay(rt_uint32_t us);
#ifdef RT_USING_SMP
typedef union {
unsigned long slock;
struct __arch_tickets {
unsigned short owner;
unsigned short next;
} tickets;
} rt_hw_spinlock_t;
void rt_hw_spin_lock(rt_hw_spinlock_t *lock);
void rt_hw_spin_unlock(rt_hw_spinlock_t *lock);
int rt_hw_cpu_id(void);
extern rt_hw_spinlock_t _cpus_lock;
extern rt_hw_spinlock_t _rt_critical_lock;
#define __RT_HW_SPIN_LOCK_INITIALIZER(lockname) {0}
#define __RT_HW_SPIN_LOCK_UNLOCKED(lockname) \
(struct rt_hw_spinlock ) __RT_HW_SPIN_LOCK_INITIALIZER(lockname)
#define RT_DEFINE_SPINLOCK(x) struct rt_hw_spinlock x = __RT_HW_SPIN_LOCK_UNLOCKED(x)
/**
* ipi function
*/
void rt_hw_ipi_send(int ipi_vector, unsigned int cpu_mask);
/**
* boot secondary cpu
*/
void rt_hw_secondary_cpu_up(void);
/**
* secondary cpu idle function
*/
void rt_hw_secondary_cpu_idle_exec(void);
#endif
#ifdef __cplusplus
}
#endif