From 46d6a24872b7fa2717f8f71b5e0598a14d38e1f6 Mon Sep 17 00:00:00 2001 From: Aurelien Jacquiot Date: Wed, 23 Feb 2011 13:04:59 +0100 Subject: The C6X port This adds support for the TI C6X family of processors. Signed-off-by: Mark Salter Signed-off-by: Aurelien Jacquiot Signed-off-by: Bernd Schmidt --- libc/sysdeps/linux/c6x/syscall.c | 49 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 libc/sysdeps/linux/c6x/syscall.c (limited to 'libc/sysdeps/linux/c6x/syscall.c') diff --git a/libc/sysdeps/linux/c6x/syscall.c b/libc/sysdeps/linux/c6x/syscall.c new file mode 100644 index 000000000..ea947b28e --- /dev/null +++ b/libc/sysdeps/linux/c6x/syscall.c @@ -0,0 +1,49 @@ +/* + * 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 +#include +#include +#include +#include +#include + +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); +} -- cgit v1.2.3