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https://github.com/cccriscv/mini-riscv-os.git
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37 lines
582 B
C
37 lines
582 B
C
#ifndef __OS_H__
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#define __OS_H__
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#include "riscv.h"
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#include "lib.h"
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#include "task.h"
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#include "timer.h"
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extern void panic(char *);
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extern void user_init();
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extern void os_kernel();
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extern int os_main(void);
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// PLIC
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extern void plic_init();
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extern int plic_claim();
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extern void plic_complete(int);
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// lock
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extern void basic_lock();
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extern void basic_unlock();
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typedef struct lock
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{
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volatile int locked;
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} lock_t;
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extern int atomic_swap(lock_t *);
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extern void lock_init(lock_t *lock);
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extern void lock_acquire(lock_t *lock);
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extern void lock_free(lock_t *lock);
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#endif
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