syscall_arch.h File Reference

User-side system call implementation. More...

Functions
struct sysret	syscall (uint64_t num, uint64_t arg1, uint64_t arg2, uint64_t arg3, uint64_t arg4, uint64_t arg5, uint64_t arg6, uint64_t arg7, uint64_t arg8, uint64_t arg9, uint64_t arg10, uint64_t arg11)
	the actual syscall function More...

Detailed Description

User-side system call implementation.

Function Documentation

struct sysret syscall	(	uint64_t	num,
		uint64_t	arg1,
		uint64_t	arg2,
		uint64_t	arg3,
		uint64_t	arg4,
		uint64_t	arg5,
		uint64_t	arg6,
		uint64_t	arg7,
		uint64_t	arg8,
		uint64_t	arg9,
		uint64_t	arg10,
		uint64_t	arg11
	)

the actual syscall function

the arguments are left in the registers x0-x11 the return value is stored in x0 and x1 when returning from the syscall