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[/] [or1k/] [trunk/] [rc203soc/] [sw/] [uClinux/] [include/] [asm-m68k/] [unistd.h] - Blame information for rev 1765

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#ifndef _ASM_M68K_UNISTD_H_
#define _ASM_M68K_UNISTD_H_
 
/*
 * This file contains the system call numbers.
 */
 
#define __NR_setup                0     /* used only by init, to get system going */
#define __NR_exit                 1
#define __NR_fork                 2
#define __NR_read                 3
#define __NR_write                4
#define __NR_open                 5
#define __NR_close                6
#define __NR_waitpid              7
#define __NR_creat                8
#define __NR_link                 9
#define __NR_unlink              10
#define __NR_execve              11
#define __NR_chdir               12
#define __NR_time                13
#define __NR_mknod               14
#define __NR_chmod               15
#define __NR_chown               16
#define __NR_break               17
#define __NR_oldstat             18
#define __NR_lseek               19
#define __NR_getpid              20
#define __NR_mount               21
#define __NR_umount              22
#define __NR_setuid              23
#define __NR_getuid              24
#define __NR_stime               25
#define __NR_ptrace              26
#define __NR_alarm               27
#define __NR_oldfstat            28
#define __NR_pause               29
#define __NR_utime               30
#define __NR_stty                31
#define __NR_gtty                32
#define __NR_access              33
#define __NR_nice                34
#define __NR_ftime               35
#define __NR_sync                36
#define __NR_kill                37
#define __NR_rename              38
#define __NR_mkdir               39
#define __NR_rmdir               40
#define __NR_dup                 41
#define __NR_pipe                42
#define __NR_times               43
#define __NR_prof                44
#define __NR_brk                 45
#define __NR_setgid              46
#define __NR_getgid              47
#define __NR_signal              48
#define __NR_geteuid             49
#define __NR_getegid             50
#define __NR_acct                51
#define __NR_phys                52
#define __NR_lock                53
#define __NR_ioctl               54
#define __NR_fcntl               55
#define __NR_mpx                 56
#define __NR_setpgid             57
#define __NR_ulimit              58
#define __NR_oldolduname         59
#define __NR_umask               60
#define __NR_chroot              61
#define __NR_ustat               62
#define __NR_dup2                63
#define __NR_getppid             64
#define __NR_getpgrp             65
#define __NR_setsid              66
#define __NR_sigaction           67
#define __NR_sgetmask            68
#define __NR_ssetmask            69
#define __NR_setreuid            70
#define __NR_setregid            71
#define __NR_sigsuspend          72
#define __NR_sigpending          73
#define __NR_sethostname         74
#define __NR_setrlimit           75
#define __NR_getrlimit           76
#define __NR_getrusage           77
#define __NR_gettimeofday        78
#define __NR_settimeofday        79
#define __NR_getgroups           80
#define __NR_setgroups           81
#define __NR_select              82
#define __NR_symlink             83
#define __NR_oldlstat            84
#define __NR_readlink            85
#define __NR_uselib              86
#define __NR_swapon              87
#define __NR_reboot              88
#define __NR_readdir             89
#define __NR_mmap                90
#define __NR_munmap              91
#define __NR_truncate            92
#define __NR_ftruncate           93
#define __NR_fchmod              94
#define __NR_fchown              95
#define __NR_getpriority         96
#define __NR_setpriority         97
#define __NR_profil              98
#define __NR_statfs              99
#define __NR_fstatfs            100
#define __NR_ioperm             101
#define __NR_socketcall         102
#define __NR_syslog             103
#define __NR_setitimer          104
#define __NR_getitimer          105
#define __NR_stat               106
#define __NR_lstat              107
#define __NR_fstat              108
#define __NR_olduname           109
#define __NR_iopl               /* 110 */ not supported
#define __NR_vhangup            111
#define __NR_idle               112
#define __NR_vm86               /* 113 */ not supported
#define __NR_wait4              114
#define __NR_swapoff            115
#define __NR_sysinfo            116
#define __NR_ipc                117
#define __NR_fsync              118
#define __NR_sigreturn          119
#define __NR_clone              120
#define __NR_setdomainname      121
#define __NR_uname              122
#define __NR_cacheflush         123
#define __NR_adjtimex           124
#define __NR_mprotect           125
#define __NR_sigprocmask        126
#define __NR_create_module      127
#define __NR_init_module        128
#define __NR_delete_module      129
#define __NR_get_kernel_syms    130
#define __NR_quotactl           131
#define __NR_getpgid            132
#define __NR_fchdir             133
#define __NR_bdflush            134
#define __NR_sysfs              135
#define __NR_personality        136
#define __NR_afs_syscall        137 /* Syscall for Andrew File System */
#define __NR_setfsuid           138
#define __NR_setfsgid           139
#define __NR__llseek            140
#define __NR_getdents           141
#define __NR__newselect         142
#define __NR_flock              143
#define __NR_msync              144
#define __NR_readv              145
#define __NR_writev             146
#define __NR_getsid             147
#define __NR_fdatasync          148
#define __NR__sysctl            149
#define __NR_mlock              150
#define __NR_munlock            151
#define __NR_mlockall           152
#define __NR_munlockall         153
#define __NR_sched_setparam             154
#define __NR_sched_getparam             155
#define __NR_sched_setscheduler         156
#define __NR_sched_getscheduler         157
#define __NR_sched_yield                158
#define __NR_sched_get_priority_max     159
#define __NR_sched_get_priority_min     160
#define __NR_sched_rr_get_interval      161
#define __NR_nanosleep          162
#define __NR_mremap             163
 
#ifdef __ELF__
 
#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; \
}
 
#else /* not ELF; a.out */
 
/* 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 /* ELF or otherwise */
 
#ifdef __KERNEL_SYSCALLS__
 
/*
 * we need this inline - forking from kernel space will result
 * in NO COPY ON WRITE (!!!), until an execve is executed. This
 * is no problem, but for the stack. This is handled by not letting
 * main() use the stack at all after fork(). Thus, no function
 * calls - which means inline code for fork too, as otherwise we
 * would use the stack upon exit from 'fork()'.
 *
 * Actually only pause and fork are needed inline, so that there
 * won't be any messing with the stack from main(), but we define
 * some others too.
 */
#define __NR__exit __NR_exit
static inline _syscall0(int,idle)
static inline _syscall0(int,fork)
static inline _syscall2(int,clone,unsigned long,flags,char *,usp)
static inline _syscall0(int,pause)
static inline _syscall0(int,setup)
static inline _syscall0(int,sync)
static inline _syscall0(pid_t,setsid)
static inline _syscall3(int,write,int,fd,const char *,buf,off_t,count)
static inline _syscall1(int,dup,int,fd)
static inline _syscall3(int,execve,const char *,file,char **,argv,char **,envp)
static inline _syscall3(int,open,const char *,file,int,flag,int,mode)
static inline _syscall1(int,close,int,fd)
static inline _syscall1(int,_exit,int,exitcode)
static inline _syscall3(pid_t,waitpid,pid_t,pid,int *,wait_stat,int,options)
 
/*
 * This is the mechanism for creating a new kernel thread.
 *
 * NOTE! Only a kernel-only process(ie the swapper or direct descendants
 * who haven't done an "execve()") should use this: it will work within
 * a system call from a "real" process, but the process memory space will
 * not be free'd until both the parent and the child have exited.
 */
static inline pid_t kernel_thread(int (*fn)(void *), void * arg, unsigned long flags)
{
        register long retval __asm__ ("d0") = __NR_clone;
        register long clone_arg __asm__ ("d1") = flags | CLONE_VM;
 
        __asm__ __volatile__
          ("movel %%sp,%%d2\n\t"
           "trap #0\n\t"                /* Linux/m68k system call */
           "cmpl %%sp,%%d2\n\t"         /* child or parent */
           "jeq 1f\n\t"                 /* parent - jump */
           "movel %3,%%sp@-\n\t"        /* push argument */
           "jsr %4@\n\t"                /* call fn */
           "movel %2,%0\n\t"            /* exit */
           "trap #0\n"
           "1:"
           : "=d" (retval)
           : "0" (__NR_clone), "i" (__NR_exit),
             "r" (arg), "a" (fn), "d" (clone_arg)
           : "d0", "d2");
 
        return retval;
}
 
static inline pid_t wait(int * wait_stat)
{
        return waitpid(-1,wait_stat,0);
}
 
#endif
 
#endif /* _ASM_M68K_UNISTD_H_ */

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[/] [or1k/] [trunk/] [rc203soc/] [sw/] [uClinux/] [include/] [asm-m68k/] [unistd.h] - Blame information for rev 1765

Line No.	Rev	Author	Line
1	1633	jcastillo	`#ifndef _ASM_M68K_UNISTD_H_`
2			`#define _ASM_M68K_UNISTD_H_`
3
4			`/*`
5			`* This file contains the system call numbers.`
6			`*/`
7
8			`#define __NR_setup 0 /* used only by init, to get system going */`
9			`#define __NR_exit 1`
10			`#define __NR_fork 2`
11			`#define __NR_read 3`
12			`#define __NR_write 4`
13			`#define __NR_open 5`
14			`#define __NR_close 6`
15			`#define __NR_waitpid 7`
16			`#define __NR_creat 8`
17			`#define __NR_link 9`
18			`#define __NR_unlink 10`
19			`#define __NR_execve 11`
20			`#define __NR_chdir 12`
21			`#define __NR_time 13`
22			`#define __NR_mknod 14`
23			`#define __NR_chmod 15`
24			`#define __NR_chown 16`
25			`#define __NR_break 17`
26			`#define __NR_oldstat 18`
27			`#define __NR_lseek 19`
28			`#define __NR_getpid 20`
29			`#define __NR_mount 21`
30			`#define __NR_umount 22`
31			`#define __NR_setuid 23`
32			`#define __NR_getuid 24`
33			`#define __NR_stime 25`
34			`#define __NR_ptrace 26`
35			`#define __NR_alarm 27`
36			`#define __NR_oldfstat 28`
37			`#define __NR_pause 29`
38			`#define __NR_utime 30`
39			`#define __NR_stty 31`
40			`#define __NR_gtty 32`
41			`#define __NR_access 33`
42			`#define __NR_nice 34`
43			`#define __NR_ftime 35`
44			`#define __NR_sync 36`
45			`#define __NR_kill 37`
46			`#define __NR_rename 38`
47			`#define __NR_mkdir 39`
48			`#define __NR_rmdir 40`
49			`#define __NR_dup 41`
50			`#define __NR_pipe 42`
51			`#define __NR_times 43`
52			`#define __NR_prof 44`
53			`#define __NR_brk 45`
54			`#define __NR_setgid 46`
55			`#define __NR_getgid 47`
56			`#define __NR_signal 48`
57			`#define __NR_geteuid 49`
58			`#define __NR_getegid 50`
59			`#define __NR_acct 51`
60			`#define __NR_phys 52`
61			`#define __NR_lock 53`
62			`#define __NR_ioctl 54`
63			`#define __NR_fcntl 55`
64			`#define __NR_mpx 56`
65			`#define __NR_setpgid 57`
66			`#define __NR_ulimit 58`
67			`#define __NR_oldolduname 59`
68			`#define __NR_umask 60`
69			`#define __NR_chroot 61`
70			`#define __NR_ustat 62`
71			`#define __NR_dup2 63`
72			`#define __NR_getppid 64`
73			`#define __NR_getpgrp 65`
74			`#define __NR_setsid 66`
75			`#define __NR_sigaction 67`
76			`#define __NR_sgetmask 68`
77			`#define __NR_ssetmask 69`
78			`#define __NR_setreuid 70`
79			`#define __NR_setregid 71`
80			`#define __NR_sigsuspend 72`
81			`#define __NR_sigpending 73`
82			`#define __NR_sethostname 74`
83			`#define __NR_setrlimit 75`
84			`#define __NR_getrlimit 76`
85			`#define __NR_getrusage 77`
86			`#define __NR_gettimeofday 78`
87			`#define __NR_settimeofday 79`
88			`#define __NR_getgroups 80`
89			`#define __NR_setgroups 81`
90			`#define __NR_select 82`
91			`#define __NR_symlink 83`
92			`#define __NR_oldlstat 84`
93			`#define __NR_readlink 85`
94			`#define __NR_uselib 86`
95			`#define __NR_swapon 87`
96			`#define __NR_reboot 88`
97			`#define __NR_readdir 89`
98			`#define __NR_mmap 90`
99			`#define __NR_munmap 91`
100			`#define __NR_truncate 92`
101			`#define __NR_ftruncate 93`
102			`#define __NR_fchmod 94`
103			`#define __NR_fchown 95`
104			`#define __NR_getpriority 96`
105			`#define __NR_setpriority 97`
106			`#define __NR_profil 98`
107			`#define __NR_statfs 99`
108			`#define __NR_fstatfs 100`
109			`#define __NR_ioperm 101`
110			`#define __NR_socketcall 102`
111			`#define __NR_syslog 103`
112			`#define __NR_setitimer 104`
113			`#define __NR_getitimer 105`
114			`#define __NR_stat 106`
115			`#define __NR_lstat 107`
116			`#define __NR_fstat 108`
117			`#define __NR_olduname 109`
118			`#define __NR_iopl /* 110 */ not supported`
119			`#define __NR_vhangup 111`
120			`#define __NR_idle 112`
121			`#define __NR_vm86 /* 113 */ not supported`
122			`#define __NR_wait4 114`
123			`#define __NR_swapoff 115`
124			`#define __NR_sysinfo 116`
125			`#define __NR_ipc 117`
126			`#define __NR_fsync 118`
127			`#define __NR_sigreturn 119`
128			`#define __NR_clone 120`
129			`#define __NR_setdomainname 121`
130			`#define __NR_uname 122`
131			`#define __NR_cacheflush 123`
132			`#define __NR_adjtimex 124`
133			`#define __NR_mprotect 125`
134			`#define __NR_sigprocmask 126`
135			`#define __NR_create_module 127`
136			`#define __NR_init_module 128`
137			`#define __NR_delete_module 129`
138			`#define __NR_get_kernel_syms 130`
139			`#define __NR_quotactl 131`
140			`#define __NR_getpgid 132`
141			`#define __NR_fchdir 133`
142			`#define __NR_bdflush 134`
143			`#define __NR_sysfs 135`
144			`#define __NR_personality 136`
145			`#define __NR_afs_syscall 137 /* Syscall for Andrew File System */`
146			`#define __NR_setfsuid 138`
147			`#define __NR_setfsgid 139`
148			`#define __NR__llseek 140`
149			`#define __NR_getdents 141`
150			`#define __NR__newselect 142`
151			`#define __NR_flock 143`
152			`#define __NR_msync 144`
153			`#define __NR_readv 145`
154			`#define __NR_writev 146`
155			`#define __NR_getsid 147`
156			`#define __NR_fdatasync 148`
157			`#define __NR__sysctl 149`
158			`#define __NR_mlock 150`
159			`#define __NR_munlock 151`
160			`#define __NR_mlockall 152`
161			`#define __NR_munlockall 153`
162			`#define __NR_sched_setparam 154`
163			`#define __NR_sched_getparam 155`
164			`#define __NR_sched_setscheduler 156`
165			`#define __NR_sched_getscheduler 157`
166			`#define __NR_sched_yield 158`
167			`#define __NR_sched_get_priority_max 159`
168			`#define __NR_sched_get_priority_min 160`
169			`#define __NR_sched_rr_get_interval 161`
170			`#define __NR_nanosleep 162`
171			`#define __NR_mremap 163`
172
173			`#ifdef __ELF__`
174
175			`#define _syscall0(type,name) \`
176			`type name(void) \`
177			`{ \`
178			`register long __res __asm__ ("%d0") = __NR_##name; \`
179			`__asm__ __volatile__ ("trap #0" \`
180			`: "=g" (__res) \`
181			`: "0" (__NR_##name) \`
182			`: "%d0"); \`
183			`if (__res >= 0) \`
184			`return (type) __res; \`
185			`errno = -__res; \`
186			`return -1; \`
187			`}`
188
189			`#define _syscall1(type,name,atype,a) \`
190			`type name(atype a) \`
191			`{ \`
192			`register long __res __asm__ ("%d0") = __NR_##name; \`
193			`__asm__ __volatile__ ("movel %2,%/d1\n\t" \`
194			`"trap #0" \`
195			`: "=g" (__res) \`
196			`: "0" (__NR_##name), "g" ((long)(a)) \`
197			`: "%d0", "%d1"); \`
198			`if (__res >= 0) \`
199			`return (type) __res; \`
200			`errno = -__res; \`
201			`return -1; \`
202			`}`
203
204			`#define _syscall2(type,name,atype,a,btype,b) \`
205			`type name(atype a,btype b) \`
206			`{ \`
207			`register long __res __asm__ ("%d0") = __NR_##name; \`
208			`__asm__ __volatile__ ("movel %2,%/d1\n\t" \`
209			`"movel %3,%/d2\n\t" \`
210			`"trap #0" \`
211			`: "=g" (__res) \`
212			`: "0" (__NR_##name), "g" ((long)(a)), \`
213			`"g" ((long)(b)) \`
214			`: "%d0", "%d1", "%d2"); \`
215			`if (__res >= 0) \`
216			`return (type) __res; \`
217			`errno = -__res; \`
218			`return -1; \`
219			`}`
220
221			`#define _syscall3(type,name,atype,a,btype,b,ctype,c) \`
222			`type name(atype a,btype b,ctype c) \`
223			`{ \`
224			`register long __res __asm__ ("%d0") = __NR_##name; \`
225			`__asm__ __volatile__ ("movel %2,%/d1\n\t" \`
226			`"movel %3,%/d2\n\t" \`
227			`"movel %4,%/d3\n\t" \`
228			`"trap #0" \`
229			`: "=g" (__res) \`
230			`: "0" (__NR_##name), "g" ((long)(a)), \`
231			`"g" ((long)(b)), \`
232			`"g" ((long)(c)) \`
233			`: "%d0", "%d1", "%d2", "%d3"); \`
234			`if (__res >= 0) \`
235			`return (type) __res; \`
236			`errno = -__res; \`
237			`return -1; \`
238			`}`
239
240			`#define _syscall4(type,name,atype,a,btype,b,ctype,c,dtype,d) \`
241			`type name (atype a, btype b, ctype c, dtype d) \`
242			`{ \`
243			`register long __res __asm__ ("%d0") = __NR_##name; \`
244			`__asm__ __volatile__ ("movel %2,%/d1\n\t" \`
245			`"movel %3,%/d2\n\t" \`
246			`"movel %4,%/d3\n\t" \`
247			`"movel %5,%/d4\n\t" \`
248			`"trap #0" \`
249			`: "=g" (__res) \`
250			`: "0" (__NR_##name), "g" ((long)(a)), \`
251			`"g" ((long)(b)), \`
252			`"g" ((long)(c)), \`
253			`"g" ((long)(d)) \`
254			`: "%d0", "%d1", "%d2", "%d3", "%d4"); \`
255			`if (__res >= 0) \`
256			`return (type) __res; \`
257			`errno = -__res; \`
258			`return -1; \`
259			`}`
260
261			`#define _syscall5(type,name,atype,a,btype,b,ctype,c,dtype,d,etype,e) \`
262			`type name (atype a,btype b,ctype c,dtype d,etype e) \`
263			`{ \`
264			`register long __res __asm__ ("%d0") = __NR_##name; \`
265			`__asm__ __volatile__ ("movel %2,%/d1\n\t" \`
266			`"movel %3,%/d2\n\t" \`
267			`"movel %4,%/d3\n\t" \`
268			`"movel %5,%/d4\n\t" \`
269			`"movel %6,%/d5\n\t" \`
270			`"trap #0" \`
271			`: "=g" (__res) \`
272			`: "0" (__NR_##name), "g" ((long)(a)), \`
273			`"g" ((long)(b)), \`
274			`"g" ((long)(c)), \`
275			`"g" ((long)(d)), \`
276			`"g" ((long)(e)) \`
277			`: "%d0", "%d1", "%d2", "%d3", "%d4", "%d5"); \`
278			`if (__res >= 0) \`
279			`return (type) __res; \`
280			`errno = -__res; \`
281			`return -1; \`
282			`}`
283
284			`#else /* not ELF; a.out */`
285
286			`/* XXX - _foo needs to be __foo, while __NR_bar could be _NR_bar. */`
287			`#define _syscall0(type,name) \`
288			`type name(void) \`
289			`{ \`
290			`register long __res __asm__ ("d0") = __NR_##name; \`
291			`__asm__ __volatile__ ("trap #0" \`
292			`: "=g" (__res) \`
293			`: "0" (__NR_##name) \`
294			`: "d0"); \`
295			`if (__res >= 0) \`
296			`return (type) __res; \`
297			`errno = -__res; \`
298			`return -1; \`
299			`}`
300
301			`#define _syscall1(type,name,atype,a) \`
302			`type name(atype a) \`
303			`{ \`
304			`register long __res __asm__ ("d0") = __NR_##name; \`
305			`__asm__ __volatile__ ("movel %2,d1\n\t" \`
306			`"trap #0" \`
307			`: "=g" (__res) \`
308			`: "0" (__NR_##name), "g" ((long)(a)) \`
309			`: "d0", "d1"); \`
310			`if (__res >= 0) \`
311			`return (type) __res; \`
312			`errno = -__res; \`
313			`return -1; \`
314			`}`
315
316			`#define _syscall2(type,name,atype,a,btype,b) \`
317			`type name(atype a,btype b) \`
318			`{ \`
319			`register long __res __asm__ ("d0") = __NR_##name; \`
320			`__asm__ __volatile__ ("movel %2,d1\n\t" \`
321			`"movel %3,d2\n\t" \`
322			`"trap #0" \`
323			`: "=g" (__res) \`
324			`: "0" (__NR_##name), "g" ((long)(a)), \`
325			`"g" ((long)(b)) \`
326			`: "d0", "d1", "d2"); \`
327			`if (__res >= 0) \`
328			`return (type) __res; \`
329			`errno = -__res; \`
330			`return -1; \`
331			`}`
332
333			`#define _syscall3(type,name,atype,a,btype,b,ctype,c) \`
334			`type name(atype a,btype b,ctype c) \`
335			`{ \`
336			`register long __res __asm__ ("d0") = __NR_##name; \`
337			`__asm__ __volatile__ ("movel %2,d1\n\t" \`
338			`"movel %3,d2\n\t" \`
339			`"movel %4,d3\n\t" \`
340			`"trap #0" \`
341			`: "=g" (__res) \`
342			`: "0" (__NR_##name), "g" ((long)(a)), \`
343			`"g" ((long)(b)), \`
344			`"g" ((long)(c)) \`
345			`: "d0", "d1", "d2", "d3"); \`
346			`if (__res >= 0) \`
347			`return (type) __res; \`
348			`errno = -__res; \`
349			`return -1; \`
350			`}`
351
352			`#define _syscall4(type,name,atype,a,btype,b,ctype,c,dtype,d) \`
353			`type name (atype a, btype b, ctype c, dtype d) \`
354			`{ \`
355			`register long __res __asm__ ("d0") = __NR_##name; \`
356			`__asm__ __volatile__ ("movel %2,d1\n\t" \`
357			`"movel %3,d2\n\t" \`
358			`"movel %4,d3\n\t" \`
359			`"movel %5,d4\n\t" \`
360			`"trap #0" \`
361			`: "=g" (__res) \`
362			`: "0" (__NR_##name), "g" ((long)(a)), \`
363			`"g" ((long)(b)), \`
364			`"g" ((long)(c)), \`
365			`"g" ((long)(d)) \`
366			`: "d0", "d1", "d2", "d3", "d4"); \`
367			`if (__res >= 0) \`
368			`return (type) __res; \`
369			`errno = -__res; \`
370			`return -1; \`
371			`}`
372
373			`#define _syscall5(type,name,atype,a,btype,b,ctype,c,dtype,d,etype,e) \`
374			`type name (atype a,btype b,ctype c,dtype d,etype e) \`
375			`{ \`
376			`register long __res __asm__ ("d0") = __NR_##name; \`
377			`__asm__ __volatile__ ("movel %2,d1\n\t" \`
378			`"movel %3,d2\n\t" \`
379			`"movel %4,d3\n\t" \`
380			`"movel %5,d4\n\t" \`
381			`"movel %6,d5\n\t" \`
382			`"trap #0" \`
383			`: "=g" (__res) \`
384			`: "0" (__NR_##name), "g" ((long)(a)), \`
385			`"g" ((long)(b)), \`
386			`"g" ((long)(c)), \`
387			`"g" ((long)(d)), \`
388			`"g" ((long)(e)) \`
389			`: "d0", "d1", "d2", "d3", "d4", "d5"); \`
390			`if (__res >= 0) \`
391			`return (type) __res; \`
392			`errno = -__res; \`
393			`return -1; \`
394			`}`
395
396			`#endif /* ELF or otherwise */`
397
398			`#ifdef __KERNEL_SYSCALLS__`
399
400			`/*`
401			`* we need this inline - forking from kernel space will result`
402			`* in NO COPY ON WRITE (!!!), until an execve is executed. This`
403			`* is no problem, but for the stack. This is handled by not letting`
404			`* main() use the stack at all after fork(). Thus, no function`
405			`* calls - which means inline code for fork too, as otherwise we`
406			`* would use the stack upon exit from 'fork()'.`
407			`*`
408			`* Actually only pause and fork are needed inline, so that there`
409			`* won't be any messing with the stack from main(), but we define`
410			`* some others too.`
411			`*/`
412			`#define __NR__exit __NR_exit`
413			`static inline _syscall0(int,idle)`
414			`static inline _syscall0(int,fork)`
415			`static inline _syscall2(int,clone,unsigned long,flags,char *,usp)`
416			`static inline _syscall0(int,pause)`
417			`static inline _syscall0(int,setup)`
418			`static inline _syscall0(int,sync)`
419			`static inline _syscall0(pid_t,setsid)`
420			`static inline _syscall3(int,write,int,fd,const char *,buf,off_t,count)`
421			`static inline _syscall1(int,dup,int,fd)`
422			`static inline _syscall3(int,execve,const char ,file,char ,argv,char *,envp)`
423			`static inline _syscall3(int,open,const char *,file,int,flag,int,mode)`
424			`static inline _syscall1(int,close,int,fd)`
425			`static inline _syscall1(int,_exit,int,exitcode)`
426			`static inline _syscall3(pid_t,waitpid,pid_t,pid,int *,wait_stat,int,options)`
427
428			`/*`
429			`* This is the mechanism for creating a new kernel thread.`
430			`*`
431			`* NOTE! Only a kernel-only process(ie the swapper or direct descendants`
432			`* who haven't done an "execve()") should use this: it will work within`
433			`* a system call from a "real" process, but the process memory space will`
434			`* not be free'd until both the parent and the child have exited.`
435			`*/`
436			`static inline pid_t kernel_thread(int (fn)(void ), void * arg, unsigned long flags)`
437			`{`
438			`register long retval __asm__ ("d0") = __NR_clone;`
439			`register long clone_arg __asm__ ("d1") = flags \| CLONE_VM;`
440
441			`__asm__ __volatile__`
442			`("movel %%sp,%%d2\n\t"`
443			`"trap #0\n\t" /* Linux/m68k system call */`
444			`"cmpl %%sp,%%d2\n\t" /* child or parent */`
445			`"jeq 1f\n\t" /* parent - jump */`
446			`"movel %3,%%sp@-\n\t" /* push argument */`
447			`"jsr %4@\n\t" /* call fn */`
448			`"movel %2,%0\n\t" /* exit */`
449			`"trap #0\n"`
450			`"1:"`
451			`: "=d" (retval)`
452			`: "0" (__NR_clone), "i" (__NR_exit),`
453			`"r" (arg), "a" (fn), "d" (clone_arg)`
454			`: "d0", "d2");`
455
456			`return retval;`
457			`}`
458
459			`static inline pid_t wait(int * wait_stat)`
460			`{`
461			`return waitpid(-1,wait_stat,0);`
462			`}`
463
464			`#endif`
465
466			`#endif /* _ASM_M68K_UNISTD_H_ */`