Linux Audio

Check our new training course

Embedded Linux Audio

Check our new training course
with Creative Commons CC-BY-SA
lecture materials

Bootlin logo

Elixir Cross Referencer

Loading...
#ifndef _ASM_M68K_UNISTD_H_
#define _ASM_M68K_UNISTD_H_

/* XXX - _foo needs to be __foo, while __NR_bar could be _NR_bar. */
#define _syscall0(type,name) \
type name(void) \
{ \
register long __res __asm__ ("d0") = __NR_##name; \
__asm__ __volatile__ ("trap  #0" \
                      : "=g" (__res) \
                      : "0" (__NR_##name) \
		      : "d0"); \
if (__res >= 0) \
        return (type) __res; \
errno = -__res; \
return -1; \
}

#define _syscall1(type,name,atype,a) \
type name(atype a) \
{ \
register long __res __asm__ ("d0") = __NR_##name; \
__asm__ __volatile__ ("movel %2,d1\n\t" \
                      "trap  #0" \
                      : "=g" (__res) \
                      : "0" (__NR_##name), "g" ((long)(a)) \
                      : "d0", "d1"); \
if (__res >= 0) \
        return (type) __res; \
errno = -__res; \
return -1; \
}

#define _syscall2(type,name,atype,a,btype,b) \
type name(atype a,btype b) \
{ \
register long __res __asm__ ("d0") = __NR_##name; \
__asm__ __volatile__ ("movel %2,d1\n\t" \
                      "movel %3,d2\n\t" \
                      "trap  #0" \
                      : "=g" (__res) \
                      : "0" (__NR_##name), "g" ((long)(a)), \
                                          "g" ((long)(b)) \
                      : "d0", "d1", "d2"); \
if (__res >= 0) \
        return (type) __res; \
errno = -__res; \
return -1; \
}

#define _syscall3(type,name,atype,a,btype,b,ctype,c) \
type name(atype a,btype b,ctype c) \
{ \
register long __res __asm__ ("d0") = __NR_##name; \
__asm__ __volatile__ ("movel %2,d1\n\t" \
                      "movel %3,d2\n\t" \
                      "movel %4,d3\n\t" \
                      "trap  #0" \
                      : "=g" (__res) \
                      : "0" (__NR_##name), "g" ((long)(a)), \
                                          "g" ((long)(b)), \
                                          "g" ((long)(c)) \
                      : "d0", "d1", "d2", "d3"); \
if (__res >= 0) \
        return (type) __res; \
errno = -__res; \
return -1; \
}

#define _syscall4(type,name,atype,a,btype,b,ctype,c,dtype,d) \
type name (atype a, btype b, ctype c, dtype d) \
{ \
register long __res __asm__ ("d0") = __NR_##name; \
__asm__ __volatile__ ("movel %2,d1\n\t" \
                      "movel %3,d2\n\t" \
                      "movel %4,d3\n\t" \
                      "movel %5,d4\n\t" \
                      "trap  #0" \
                      : "=g" (__res) \
                      : "0" (__NR_##name), "g" ((long)(a)), \
                                          "g" ((long)(b)), \
                                          "g" ((long)(c)), \
                                          "g" ((long)(d))  \
                      : "d0", "d1", "d2", "d3", "d4"); \
if (__res >= 0) \
        return (type) __res; \
errno = -__res; \
return -1; \
}

#define _syscall5(type,name,atype,a,btype,b,ctype,c,dtype,d,etype,e) \
type name (atype a,btype b,ctype c,dtype d,etype e) \
{ \
register long __res __asm__ ("d0") = __NR_##name; \
__asm__ __volatile__ ("movel %2,d1\n\t" \
                      "movel %3,d2\n\t" \
                      "movel %4,d3\n\t" \
                      "movel %5,d4\n\t" \
                      "movel %6,d5\n\t" \
                      "trap  #0" \
                      : "=g" (__res) \
                      : "0" (__NR_##name), "g" ((long)(a)), \
                                          "g" ((long)(b)), \
                                          "g" ((long)(c)), \
                                          "g" ((long)(d)), \
                                          "g" ((long)(e))  \
                      : "d0", "d1", "d2", "d3", "d4", "d5"); \
if (__res >= 0) \
        return (type) __res; \
errno = -__res; \
return -1; \
}

#endif /* _ASM_M68K_UNISTD_H_ */