#ifndef JOS_KERN_SYSCALL_H #define JOS_KERN_SYSCALL_H #ifndef JOS_KERNEL # error "This is a JOS kernel header; user programs should not #include it" #endif #include int32_t syscall(uint32_t num, uint32_t a1, uint32_t a2, uint32_t a3, uint32_t a4, uint32_t a5); #endif /* !JOS_KERN_SYSCALL_H */