summaryrefslogtreecommitdiff
path: root/libc/sysdeps/linux/c6x/syscall.c
diff options
context:
space:
mode:
authorAurelien Jacquiot <a-jacquiot@ti.com>2011-02-23 13:04:59 +0100
committerBernd Schmidt <bernds@codesourcery.com>2011-03-05 18:10:15 +0100
commit46d6a24872b7fa2717f8f71b5e0598a14d38e1f6 (patch)
tree886cf5a54ef7fd260acf2dd7d1722acea1c62186 /libc/sysdeps/linux/c6x/syscall.c
parent817f685f4c65ed1af6eef79749b1f158eedd5bfc (diff)
The C6X port
This adds support for the TI C6X family of processors. Signed-off-by: Mark Salter <msalter@redhat.com> Signed-off-by: Aurelien Jacquiot <a-jacquiot@ti.com> Signed-off-by: Bernd Schmidt <bernds@codesourcery.com>
Diffstat (limited to 'libc/sysdeps/linux/c6x/syscall.c')
-rw-r--r--libc/sysdeps/linux/c6x/syscall.c49
1 files changed, 49 insertions, 0 deletions
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 <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);
+}