Look Ma' what I found on my harddisk ...

 o New faster syscalls for 2.1.x, too
 o Upgrade to 2.1.89.

Don't try to run this.  It's flaky as hell.  But feel free to debug ...

1 files changed, 371 insertions, 0 deletions

diff --git a/include/asm-arm/unistd.h b/include/asm-arm/unistd.h
new file mode 100644
index 000000000..31b407dbb
--- /dev/null
+++ b/include/asm-arm/unistd.h
@@ -0,0 +1,371 @@
+#ifndef __ASM_ARM_UNISTD_H
+#define __ASM_ARM_UNISTD_H
+
+#define __NR_SYSCALL_BASE	0x900000
+
+/*
+ * This file contains the system call numbers.
+ */
+
+#define __NR_setup			(__NR_SYSCALL_BASE+  0)	/* used only by init, to get system going */
+#define __NR_exit			(__NR_SYSCALL_BASE+  1)
+#define __NR_fork			(__NR_SYSCALL_BASE+  2)
+#define __NR_read			(__NR_SYSCALL_BASE+  3)
+#define __NR_write			(__NR_SYSCALL_BASE+  4)
+#define __NR_open			(__NR_SYSCALL_BASE+  5)
+#define __NR_close			(__NR_SYSCALL_BASE+  6)
+#define __NR_waitpid			(__NR_SYSCALL_BASE+  7)
+#define __NR_creat			(__NR_SYSCALL_BASE+  8)
+#define __NR_link			(__NR_SYSCALL_BASE+  9)
+#define __NR_unlink			(__NR_SYSCALL_BASE+ 10)
+#define __NR_execve			(__NR_SYSCALL_BASE+ 11)
+#define __NR_chdir			(__NR_SYSCALL_BASE+ 12)
+#define __NR_time			(__NR_SYSCALL_BASE+ 13)
+#define __NR_mknod			(__NR_SYSCALL_BASE+ 14)
+#define __NR_chmod			(__NR_SYSCALL_BASE+ 15)
+#define __NR_chown			(__NR_SYSCALL_BASE+ 16)
+#define __NR_break			(__NR_SYSCALL_BASE+ 17)
+#define __NR_oldstat			(__NR_SYSCALL_BASE+ 18)
+#define __NR_lseek			(__NR_SYSCALL_BASE+ 19)
+#define __NR_getpid			(__NR_SYSCALL_BASE+ 20)
+#define __NR_mount			(__NR_SYSCALL_BASE+ 21)
+#define __NR_umount			(__NR_SYSCALL_BASE+ 22)
+#define __NR_setuid			(__NR_SYSCALL_BASE+ 23)
+#define __NR_getuid			(__NR_SYSCALL_BASE+ 24)
+#define __NR_stime			(__NR_SYSCALL_BASE+ 25)
+#define __NR_ptrace			(__NR_SYSCALL_BASE+ 26)
+#define __NR_alarm			(__NR_SYSCALL_BASE+ 27)
+#define __NR_oldfstat			(__NR_SYSCALL_BASE+ 28)
+#define __NR_pause			(__NR_SYSCALL_BASE+ 29)
+#define __NR_utime			(__NR_SYSCALL_BASE+ 30)
+#define __NR_stty			(__NR_SYSCALL_BASE+ 31)
+#define __NR_gtty			(__NR_SYSCALL_BASE+ 32)
+#define __NR_access			(__NR_SYSCALL_BASE+ 33)
+#define __NR_nice			(__NR_SYSCALL_BASE+ 34)
+#define __NR_ftime			(__NR_SYSCALL_BASE+ 35)
+#define __NR_sync			(__NR_SYSCALL_BASE+ 36)
+#define __NR_kill			(__NR_SYSCALL_BASE+ 37)
+#define __NR_rename			(__NR_SYSCALL_BASE+ 38)
+#define __NR_mkdir			(__NR_SYSCALL_BASE+ 39)
+#define __NR_rmdir			(__NR_SYSCALL_BASE+ 40)
+#define __NR_dup			(__NR_SYSCALL_BASE+ 41)
+#define __NR_pipe			(__NR_SYSCALL_BASE+ 42)
+#define __NR_times			(__NR_SYSCALL_BASE+ 43)
+#define __NR_prof			(__NR_SYSCALL_BASE+ 44)
+#define __NR_brk			(__NR_SYSCALL_BASE+ 45)
+#define __NR_setgid			(__NR_SYSCALL_BASE+ 46)
+#define __NR_getgid			(__NR_SYSCALL_BASE+ 47)
+#define __NR_signal			(__NR_SYSCALL_BASE+ 48)
+#define __NR_geteuid			(__NR_SYSCALL_BASE+ 49)
+#define __NR_getegid			(__NR_SYSCALL_BASE+ 50)
+#define __NR_acct			(__NR_SYSCALL_BASE+ 51)
+#define __NR_phys			(__NR_SYSCALL_BASE+ 52)
+#define __NR_lock			(__NR_SYSCALL_BASE+ 53)
+#define __NR_ioctl			(__NR_SYSCALL_BASE+ 54)
+#define __NR_fcntl			(__NR_SYSCALL_BASE+ 55)
+#define __NR_mpx			(__NR_SYSCALL_BASE+ 56)
+#define __NR_setpgid			(__NR_SYSCALL_BASE+ 57)
+#define __NR_ulimit			(__NR_SYSCALL_BASE+ 58)
+#define __NR_oldolduname		(__NR_SYSCALL_BASE+ 59)
+#define __NR_umask			(__NR_SYSCALL_BASE+ 60)
+#define __NR_chroot			(__NR_SYSCALL_BASE+ 61)
+#define __NR_ustat			(__NR_SYSCALL_BASE+ 62)
+#define __NR_dup2			(__NR_SYSCALL_BASE+ 63)
+#define __NR_getppid			(__NR_SYSCALL_BASE+ 64)
+#define __NR_getpgrp			(__NR_SYSCALL_BASE+ 65)
+#define __NR_setsid			(__NR_SYSCALL_BASE+ 66)
+#define __NR_sigaction			(__NR_SYSCALL_BASE+ 67)
+#define __NR_sgetmask			(__NR_SYSCALL_BASE+ 68)
+#define __NR_ssetmask			(__NR_SYSCALL_BASE+ 69)
+#define __NR_setreuid			(__NR_SYSCALL_BASE+ 70)
+#define __NR_setregid			(__NR_SYSCALL_BASE+ 71)
+#define __NR_sigsuspend			(__NR_SYSCALL_BASE+ 72)
+#define __NR_sigpending			(__NR_SYSCALL_BASE+ 73)
+#define __NR_sethostname		(__NR_SYSCALL_BASE+ 74)
+#define __NR_setrlimit			(__NR_SYSCALL_BASE+ 75)
+#define __NR_getrlimit			(__NR_SYSCALL_BASE+ 76)
+#define __NR_getrusage			(__NR_SYSCALL_BASE+ 77)
+#define __NR_gettimeofday		(__NR_SYSCALL_BASE+ 78)
+#define __NR_settimeofday		(__NR_SYSCALL_BASE+ 79)
+#define __NR_getgroups			(__NR_SYSCALL_BASE+ 80)
+#define __NR_setgroups			(__NR_SYSCALL_BASE+ 81)
+#define __NR_select			(__NR_SYSCALL_BASE+ 82)
+#define __NR_symlink			(__NR_SYSCALL_BASE+ 83)
+#define __NR_oldlstat			(__NR_SYSCALL_BASE+ 84)
+#define __NR_readlink			(__NR_SYSCALL_BASE+ 85)
+#define __NR_uselib			(__NR_SYSCALL_BASE+ 86)
+#define __NR_swapon			(__NR_SYSCALL_BASE+ 87)
+#define __NR_reboot			(__NR_SYSCALL_BASE+ 88)
+#define __NR_readdir			(__NR_SYSCALL_BASE+ 89)
+#define __NR_mmap			(__NR_SYSCALL_BASE+ 90)
+#define __NR_munmap			(__NR_SYSCALL_BASE+ 91)
+#define __NR_truncate			(__NR_SYSCALL_BASE+ 92)
+#define __NR_ftruncate			(__NR_SYSCALL_BASE+ 93)
+#define __NR_fchmod			(__NR_SYSCALL_BASE+ 94)
+#define __NR_fchown			(__NR_SYSCALL_BASE+ 95)
+#define __NR_getpriority		(__NR_SYSCALL_BASE+ 96)
+#define __NR_setpriority		(__NR_SYSCALL_BASE+ 97)
+#define __NR_profil			(__NR_SYSCALL_BASE+ 98)
+#define __NR_statfs			(__NR_SYSCALL_BASE+ 99)
+#define __NR_fstatfs			(__NR_SYSCALL_BASE+100)
+#define __NR_ioperm			(__NR_SYSCALL_BASE+101)
+#define __NR_socketcall			(__NR_SYSCALL_BASE+102)
+#define __NR_syslog			(__NR_SYSCALL_BASE+103)
+#define __NR_setitimer			(__NR_SYSCALL_BASE+104)
+#define __NR_getitimer			(__NR_SYSCALL_BASE+105)
+#define __NR_stat			(__NR_SYSCALL_BASE+106)
+#define __NR_lstat			(__NR_SYSCALL_BASE+107)
+#define __NR_fstat			(__NR_SYSCALL_BASE+108)
+#define __NR_olduname			(__NR_SYSCALL_BASE+109)
+#define __NR_iopl			(__NR_SYSCALL_BASE+110)
+#define __NR_vhangup			(__NR_SYSCALL_BASE+111)
+#define __NR_idle			(__NR_SYSCALL_BASE+112)
+#define __NR_syscall			(__NR_SYSCALL_BASE+113) /* syscall to call a syscall! */
+#define __NR_wait4			(__NR_SYSCALL_BASE+114)
+#define __NR_swapoff			(__NR_SYSCALL_BASE+115)
+#define __NR_sysinfo			(__NR_SYSCALL_BASE+116)
+#define __NR_ipc			(__NR_SYSCALL_BASE+117)
+#define __NR_fsync			(__NR_SYSCALL_BASE+118)
+#define __NR_sigreturn			(__NR_SYSCALL_BASE+119)
+#define __NR_clone			(__NR_SYSCALL_BASE+120)
+#define __NR_setdomainname		(__NR_SYSCALL_BASE+121)
+#define __NR_uname			(__NR_SYSCALL_BASE+122)
+#define __NR_modify_ldt			(__NR_SYSCALL_BASE+123)
+#define __NR_adjtimex			(__NR_SYSCALL_BASE+124)
+#define __NR_mprotect			(__NR_SYSCALL_BASE+125)
+#define __NR_sigprocmask		(__NR_SYSCALL_BASE+126)
+#define __NR_create_module		(__NR_SYSCALL_BASE+127)
+#define __NR_init_module		(__NR_SYSCALL_BASE+128)
+#define __NR_delete_module		(__NR_SYSCALL_BASE+129)
+#define __NR_get_kernel_syms		(__NR_SYSCALL_BASE+130)
+#define __NR_quotactl			(__NR_SYSCALL_BASE+131)
+#define __NR_getpgid			(__NR_SYSCALL_BASE+132)
+#define __NR_fchdir			(__NR_SYSCALL_BASE+133)
+#define __NR_bdflush			(__NR_SYSCALL_BASE+134)
+#define __NR_sysfs			(__NR_SYSCALL_BASE+135)
+#define __NR_personality		(__NR_SYSCALL_BASE+136)
+#define __NR_afs_syscall		(__NR_SYSCALL_BASE+137) /* Syscall for Andrew File System */
+#define __NR_setfsuid			(__NR_SYSCALL_BASE+138)
+#define __NR_setfsgid			(__NR_SYSCALL_BASE+139)
+#define __NR__llseek			(__NR_SYSCALL_BASE+140)
+#define __NR_getdents			(__NR_SYSCALL_BASE+141)
+#define __NR__newselect			(__NR_SYSCALL_BASE+142)
+#define __NR_flock			(__NR_SYSCALL_BASE+143)
+#define __NR_msync			(__NR_SYSCALL_BASE+144)
+#define __NR_readv			(__NR_SYSCALL_BASE+145)
+#define __NR_writev			(__NR_SYSCALL_BASE+146)
+#define __NR_getsid			(__NR_SYSCALL_BASE+147)
+#define __NR_fdatasync			(__NR_SYSCALL_BASE+148)
+#define __NR__sysctl			(__NR_SYSCALL_BASE+149)
+#define __NR_mlock			(__NR_SYSCALL_BASE+150)
+#define __NR_munlock			(__NR_SYSCALL_BASE+151)
+#define __NR_mlockall			(__NR_SYSCALL_BASE+152)
+#define __NR_munlockall			(__NR_SYSCALL_BASE+153)
+#define __NR_sched_setparam		(__NR_SYSCALL_BASE+154)
+#define __NR_sched_getparam		(__NR_SYSCALL_BASE+155)
+#define __NR_sched_setscheduler		(__NR_SYSCALL_BASE+156)
+#define __NR_sched_getscheduler		(__NR_SYSCALL_BASE+157)
+#define __NR_sched_yield		(__NR_SYSCALL_BASE+158)
+#define __NR_sched_get_priority_max	(__NR_SYSCALL_BASE+159)
+#define __NR_sched_get_priority_min	(__NR_SYSCALL_BASE+160)
+#define __NR_sched_rr_get_interval	(__NR_SYSCALL_BASE+161)
+#define __NR_nanosleep			(__NR_SYSCALL_BASE+162)
+#define __NR_mremap			(__NR_SYSCALL_BASE+163)
+#define __NR_setresuid			(__NR_SYSCALL_BASE+164)
+#define __NR_getresuid			(__NR_SYSCALL_BASE+165)
+#define __NR_vm86			(__NR_SYSCALL_BASE+166)
+#define __NR_query_module		(__NR_SYSCALL_BASE+167)
+#define __NR_poll			(__NR_SYSCALL_BASE+168)
+#define __NR_nfsservctl			(__NR_SYSCALL_BASE+169)
+#define __NR_setresgid			(__NR_SYSCALL_BASE+170)
+#define __NR_getresgid			(__NR_SYSCALL_BASE+171)
+#define __NR_prctl			(__NR_SYSCALL_BASE+172)
+#define __NR_rt_sigreturn		(__NR_SYSCALL_BASE+173)
+#define __NR_rt_sigaction		(__NR_SYSCALL_BASE+174)
+#define __NR_rt_sigprocmask		(__NR_SYSCALL_BASE+175)
+#define __NR_rt_sigpending		(__NR_SYSCALL_BASE+176)
+#define __NR_rt_sigtimedwait		(__NR_SYSCALL_BASE+177)
+#define __NR_rt_sigqueueinfo		(__NR_SYSCALL_BASE+178)
+#define __NR_rt_sigsuspend		(__NR_SYSCALL_BASE+179)
+#define __NR_pread			(__NR_SYSCALL_BASE+180)
+#define __NR_pwrite			(__NR_SYSCALL_BASE+181)
+
+#define __sys2(x) #x
+#define __sys1(x) __sys2(x)
+
+#ifndef __syscall
+#define __syscall(name) "swi\t" __sys1(__NR_##name) "\n\t"
+#endif
+
+#define __syscall_return(type, res)					\
+do {									\
+	if ((unsigned long)(res) >= (unsigned long)(-125)) {		\
+		errno = -(res);						\
+		res = -1;						\
+	}								\
+	return (type) (res);						\
+} while (0)
+
+#define _syscall0(type,name)						\
+type name(void) {							\
+  long __res;								\
+  __asm__ __volatile__ (						\
+  __syscall(name)							\
+  "mov %0,r0"								\
+  :"=r" (__res) : : "r0","lr");						\
+  __syscall_return(type,__res);						\
+}
+
+#define _syscall1(type,name,type1,arg1)					\
+type name(type1 arg1) {							\
+  long __res;								\
+  __asm__ __volatile__ (						\
+  "mov\tr0,%1\n\t"							\
+  __syscall(name)							\
+  "mov %0,r0"								\
+        : "=r" (__res)							\
+        : "r" ((long)(arg1))						\
+	: "r0","lr");							\
+  __syscall_return(type,__res);						\
+}
+
+#define _syscall2(type,name,type1,arg1,type2,arg2)			\
+type name(type1 arg1,type2 arg2) {					\
+  long __res;								\
+  __asm__ __volatile__ (						\
+  "mov\tr0,%1\n\t"							\
+  "mov\tr1,%2\n\t"							\
+  __syscall(name)							\
+  "mov\t%0,r0"								\
+        : "=r" (__res)							\
+        : "r" ((long)(arg1)),"r" ((long)(arg2))				\
+	: "r0","r1","lr");						\
+  __syscall_return(type,__res);						\
+}
+
+
+#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3)		\
+type name(type1 arg1,type2 arg2,type3 arg3) {				\
+  long __res;								\
+  __asm__ __volatile__ (						\
+  "mov\tr0,%1\n\t"							\
+  "mov\tr1,%2\n\t"							\
+  "mov\tr2,%3\n\t"							\
+  __syscall(name)							\
+  "mov\t%0,r0"								\
+        : "=r" (__res)							\
+        : "r" ((long)(arg1)),"r" ((long)(arg2)),"r" ((long)(arg3))	\
+        : "r0","r1","r2","lr");						\
+  __syscall_return(type,__res);						\
+}
+
+
+#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4)		\
+type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) {				\
+  long __res;										\
+  __asm__ __volatile__ (								\
+  "mov\tr0,%1\n\t"									\
+  "mov\tr1,%2\n\t"									\
+  "mov\tr2,%3\n\t"									\
+  "mov\tr3,%4\n\t"									\
+  __syscall(name)									\
+  "mov\t%0,r0"										\
+  	: "=r" (__res)									\
+  	: "r" ((long)(arg1)),"r" ((long)(arg2)),"r" ((long)(arg3)),"r" ((long)(arg4))	\
+  	: "r0","r1","r2","r3","lr");							\
+  __syscall_return(type,__res);								\
+}
+  
+
+#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 __res;										\
+  __asm__ __volatile__ (								\
+  "mov\tr0,%1\n\t"									\
+  "mov\tr1,%2\n\t"									\
+  "mov\tr2,%3\n\t"									\
+  "mov\tr3,%4\n\t"									\
+  "mov\tr4,%5\n\t"									\
+  __syscall(name)									\
+  "mov\t%0,r0"										\
+  	: "=r" (__res)									\
+  	: "r" ((long)(arg1)),"r" ((long)(arg2)),"r" ((long)(arg3)),"r" ((long)(arg4)),	\
+	  "r" ((long)(arg5))								\
+	: "r0","r1","r2","r3","r4","lr");						\
+  __syscall_return(type,__res);								\
+}
+
+#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 *,esp);
+static inline _syscall0(int,pause);
+static inline _syscall1(int,setup,int,magic);
+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 _syscall3(int,read,int,fd,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);
+
+static inline pid_t wait(int * wait_stat)
+{
+	return waitpid(-1,wait_stat,0);
+}
+
+
+
+/*
+ * 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)
+{
+	long retval;
+
+	__asm__ __volatile__("
+	mov	r0,%1
+	mov	r1,%2
+	"__syscall(clone)"
+	teq	r0, #0
+	bne	1f
+	mov	r0,%4
+	mov	lr, pc
+	mov	pc, %3
+	"__syscall(exit)"
+1:	mov %0,r0"
+        : "=r" (retval)
+        : "Ir" (flags | CLONE_VM), "Ir" (NULL), "r" (fn), "Ir" (arg)
+	: "r0","r1","r2","r3","lr");
+	
+	return retval;
+}
+
+#endif
+
+#endif /* __ASM_ARM_UNISTD_H */
+
+
+