/* * syscall.c * * Port on Texas Instruments TMS320C6x architecture * * Copyright (C) 2006, 2010 Texas Instruments Incorporated * Author: Thomas Charleux (thomas.charleux@jaluna.com) * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #include <features.h> #include <errno.h> #include <sys/types.h> #include <sys/syscall.h> #include <unistd.h> #include <stdarg.h> long int syscall (long int __sysno, ...) { register long no __asm__("B0"); register long a __asm__("A4"); register long b __asm__("B4"); register long c __asm__("A6"); register long d __asm__("B6"); register long e __asm__("A8"); register long f __asm__("B8"); long __res; va_list ap; va_start( ap, __sysno); a = va_arg( ap, long); b = va_arg( ap, long); c = va_arg( ap, long); d = va_arg( ap, long); e = va_arg( ap, long); f = va_arg( ap, long); va_end( ap ); no = __sysno; __asm__ __volatile__ ("SWE" : "=a" (a) : "a" (a), "b" (b), "a" (c), "b" (d), "a" (e), "b" (f), "b" (no) : "memory", "cc"); __res = a; __SYSCALL_RETURN (long); }