microblaze: syscall interface

Fix the microblaze syscall interface.
Recent mainline kernels no longer carry userland code to invoke syscalls
and microblaze can use the uClibc generic code.

Signed-off-by: Steven J. Magnani <steve@digidescorp.com>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

1 files changed, 0 insertions, 51 deletions

diff --git a/libc/sysdeps/linux/microblaze/syscall.c b/libc/sysdeps/linux/microblaze/syscall.c
deleted file mode 100644
index 0e07e4595..000000000
--- a/libc/sysdeps/linux/microblaze/syscall.c
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- * libc/sysdeps/linux/microblaze/syscall.c -- generic syscall function for linux/microblaze
- *
- *  Copyright (C) 2003  John Williams <jwilliams@itee.uq.edu.au>
- *  Copyright (C) 2002  NEC Corporation
- *  Copyright (C) 2002  Miles Bader <miles@gnu.org>
- *
- * This file is subject to the terms and conditions of the GNU Lesser
- * General Public License.  See the file COPYING.LIB in the main
- * directory of this archive for more details.
- *
- * Written by Miles Bader <miles@gnu.org>
- */
-
-#include <errno.h>
-#include <sys/syscall.h>
-
-typedef unsigned long arg_t;
-
-/* Invoke `system call' NUM, passing it the remaining arguments.
-   This is completely system-dependent, and not often useful.  */
-long
-syscall (long num, arg_t a1, arg_t a2, arg_t a3, arg_t a4, arg_t a5, arg_t a6)
-{
-  /* We don't know how many arguments are valid, so A5 and A6 are fetched
-     off the stack even for (the majority of) system calls with fewer
-     arguments; hopefully this won't cause any problems.  A1-A4 are in
-     registers, so they're OK.  */
-  register arg_t a __asm__ (SYSCALL_ARG0) = a1;
-  register arg_t b __asm__ (SYSCALL_ARG1) = a2;
-  register arg_t c __asm__ (SYSCALL_ARG2) = a3;
-  register arg_t d __asm__ (SYSCALL_ARG3) = a4;
-  register arg_t e __asm__ (SYSCALL_ARG4) = a5;
-  register arg_t f __asm__ (SYSCALL_ARG5) = a6;
-  register unsigned long syscall __asm__ (SYSCALL_NUM) = num;
-  register unsigned long ret __asm__ (SYSCALL_RET);
-	unsigned long ret_sav;
-
-  *((unsigned long *)0xFFFF4004) = (unsigned int)('+');
-  __asm__ ("brlid r17, 08x; nop;"
-       : "=r" (ret)
-       : "r" (syscall), "r" (a), "r" (b), "r" (c), "r" (d), "r" (e), "r" (f)
-       : SYSCALL_CLOBBERS);
-
-  ret_sav=ret;
-  *((unsigned long *)0xFFFF4004) = (unsigned int)('-');
-
-
-
-  __syscall_return (long, ret);
-}