patch-2.0.4 linux/include/asm-ppc/unistd.h.cort

• Lines: 377
• Date: Mon Jul 8 11:27:43 1996
• Orig file: v2.0.3/linux/include/asm-ppc/unistd.h.cort
• Orig date: Thu Jan 1 02:00:00 1970

diff -u --recursive --new-file v2.0.3/linux/include/asm-ppc/unistd.h.cort linux/include/asm-ppc/unistd.h.cort
@@ -0,0 +1,376 @@
+#ifndef _ASM_PPC_UNISTD_H_
+#define _ASM_PPC_UNISTD_H_
+
+#define _NR(n) #n
+#define _lisc(n) "li 0," _NR(n)
+
+/*
+ * 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
+#define __NR_vhangup		111
+#define __NR_idle		112
+#define __NR_vm86		113
+#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_modify_ldt		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_mlock		150
+#define __NR_munlock		151
+#define __NR_mlockall		152
+#define __NR_munlockall		153
+
+
+#define _syscall0(type,name) \
+type name(void) \
+{ \
+    long retval; \
+    __asm__  ( \
+	      "li 0, %0 \n\t" \
+	      "sc \n\t" \
+	      "mr 31,3 \n\t" \
+	      "bns 10f \n\t" \
+	      "mr 0,3 \n\t" \
+	      "lis 3,errno@ha \n\t" \
+	      "stw 0,errno@l(3) \n\t" \
+	      "li 3,-1 \n\t" \
+	      "10: \n\t" \
+	      : \
+	      : "i" (__NR_##name) \
+	      : "0", "31", "3", "cc", "memory" \
+	      );  \
+    return(retval);\
+}
+
+#define _syscall1(type,name,type1,arg1) \
+type name(type1 arg1) \
+{ \
+    long retval; \
+    __asm__  ( \
+	      "li 0, %0 \n\t" \
+	      "sc \n\t" \
+	      "mr 31,3 \n\t" \
+	      "bns 10f \n\t" \
+	      "mr 0,3 \n\t" \
+	      "lis 3,errno@ha \n\t" \
+	      "stw 0,errno@l(3) \n\t" \
+	      "li 3,-1 \n\t" \
+	      "10: \n\t" \
+	      : \
+	      : "i" (__NR_##name) \
+	      : "0", "31", "3", "cc", "memory" \
+	      );  \
+    return(retval); \
+}
+
+#define _syscall2(type,name,type1,arg1,type2,arg2) \
+type name(type1 arg1,type2 arg2) \
+{ \
+    long retval; \
+    __asm__  ( \
+	      "li 0, %0 \n\t" \
+	      "sc \n\t" \
+	      "mr 31,3 \n\t" \
+	      "bns 10f \n\t" \
+	      "mr 0,3 \n\t" \
+	      "lis 3,errno@ha \n\t" \
+	      "stw 0,errno@l(3) \n\t" \
+	      "li 3,-1 \n\t" \
+	      "10: \n\t" \
+	      : \
+	      : "i" (__NR_##name) \
+	      : "0", "31", "3", "cc", "memory" \
+	      );  \
+    return(retval); \
+}
+
+
+#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
+type name(type1 arg1,type2 arg2, type3 arg3) \
+{ \
+    long retval; \
+    __asm__  ( \
+	      "li 0, %0 \n\t" \
+	      "sc \n\t" \
+	      "mr 31,3 \n\t" \
+	      "bns 10f \n\t" \
+	      "mr 0,3 \n\t" \
+	      "lis 3,errno@ha \n\t" \
+	      "stw 0,errno@l(3) \n\t" \
+	      "li 3,-1 \n\t" \
+	      "10: \n\t" \
+	      : \
+	      : "i" (__NR_##name) \
+	      : "0", "31", "3", "cc", "memory" \
+	      );  \
+    return(retval); \
+}
+
+#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
+type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
+{ \
+    long retval; \
+    __asm__  ( \
+	      "li 0, %0 \n\t" \
+	      "sc \n\t" \
+	      "mr 31,3 \n\t" \
+	      "bns 10f \n\t" \
+	      "mr 0,3 \n\t" \
+	      "lis 3,errno@ha \n\t" \
+	      "stw 0,errno@l(3) \n\t" \
+	      "li 3,-1 \n\t" \
+	      "10: \n\t" \
+	      : \
+	      : "i" (__NR_##name) \
+	      : "0", "31", "3", "cc", "memory" \
+	      );  \
+    return(retval); \
+}
+
+#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
+	  type5,arg5) \
+type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
+{ \
+    long retval; \
+    __asm__  ( \
+	      "li 0, %0 \n\t" \
+	      "sc \n\t" \
+	      "mr 31,3 \n\t" \
+	      "bns 10f \n\t" \
+	      "mr 0,3 \n\t" \
+	      "lis 3,errno@ha \n\t" \
+	      "stw 0,errno@l(3) \n\t" \
+	      "li 3,-1 \n\t" \
+	      "10: \n\t" \
+	      : \
+	      : "i" (__NR_##name) \
+	      : "0", "31", "3", "cc", "memory" \
+	      );  \
+    return(retval); \
+}
+
+#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.
+ */
+
+/*
+   some of these had problems getting the right arguments (namely sys_clone())
+   when they were inline so I made them non-inline until we get problems with gcc
+   worked out.  I need to check with Linus to find out which he wants inline now
+   since the above comment was written a long time ago.
+
+   Once I understand the macro language better this should go away.
+             -- Cort
+ */
+
+#define __NR__exit __NR_exit
+static /*__inline__*/ _syscall0(int,setup) 
+static __inline__ _syscall0(int,idle) 
+static /*__inline__*/ _syscall0(int,fork)
+static __inline__ _syscall0(int,pause)
+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__ _syscall2(int,clone,unsigned long,flags,char *,esp)
+static __inline__ _syscall3(pid_t,waitpid,pid_t,pid,int *,wait_stat,int,options)
+
+static __inline__ pid_t wait(int * wait_stat) 
+{
+	return waitpid(-1,wait_stat,0);
+}
+
+/*
+   This is the mechanism for creating a new kernel thread.
+   For the time being it only behaves the same as clone().
+   It should be changed very soon to work properly and cleanly.  This
+   gets us going for now, though.
+     -- Cort
+ */
+static __inline__ long kernel_thread(int (*fn)(void *), void * arg, unsigned long flags)
+{
+  long retval;
+  __asm__  (
+	"li 0, 120 \n\t"        /* __NR_clone */
+	"li 3, %5 \n\t"         /* load flags as arg to clone */
+	/*"mr 1,7 \n\t"*/		/* save kernel stack */
+	"sc \n\t"		/* syscall */
+	/*"cmp 0,1,7 \n\t"*/	/* if kernel stack changes -- child */
+	"cmpi	0,3,0 \n\t"
+	"bne 1f \n\t"		/* return if parent */
+	/* this is in child */
+	"li 3, %3 \n\t"		/* child -- load args and call fn */
+	"mtlr %4 \n\t"		
+	"blrl \n\t"
+	"li 0, %2 \n\t"		/* exit after child exits */
+        "li 3, 0 \n\t"
+	"sc \n\t"
+	/* parent */
+	"1: \n\t"
+	:"=3" (retval)
+	:"i" (__NR_clone), "i" (__NR_exit),
+	 "r" (arg), "r" (fn), "g" (CLONE_VM|flags) 
+	:"cc", "1", "0", "3", "7", "31", "memory" );
+  return retval;
+}
+
+
+#endif /* __KERNEL_SYSCALLS__ */
+
+#endif /* _ASM_PPC_UNISTD_H_ */