zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/build/uClibc/libc/sysdeps/linux/mips/syscall.S b/ap/build/uClibc/libc/sysdeps/linux/mips/syscall.S
new file mode 100644
index 0000000..acb9101
--- /dev/null
+++ b/ap/build/uClibc/libc/sysdeps/linux/mips/syscall.S
@@ -0,0 +1,80 @@
+/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <features.h>
+#include <sys/asm.h>
+#include <sys/regdef.h>
+
+#ifdef __PIC__
+ .option pic2
+#endif
+.text
+.align 2
+.globl syscall
+.type syscall,@function
+.ent syscall
+syscall:
+#ifdef __PIC__
+ SETUP_GP
+#endif
+ move v0, a0 /* Load system call number from first arg. */
+ move a0, a1 /* Move the next three args up a register. */
+ move a1, a2
+ move a2, a3
+ /* Load the remaining possible args (up to 7) from the stack. */
+#ifdef __mips64
+ move a3, a4
+ move a4, a5
+ move a5, a6
+ move a6, a7
+ daddiu sp,sp,-16
+ sd v0,0*8(sp)
+ ld v0,0*8(sp) /* for system call restarts */
+#else
+ lw a3,4*4(sp)
+ lw t0,5*4(sp)
+ lw t1,6*4(sp)
+ lw t2,7*4(sp)
+ addiu sp,sp,-32
+ sw t0,4*4(sp)
+ sw t1,5*4(sp)
+ sw t2,6*4(sp)
+ sw v0,7*4(sp)
+ lw v0,7*4(sp) /* for system call restarts */
+#endif
+ syscall /* Do the system call. */
+#ifdef __mips64
+ daddiu sp,sp,16
+#else
+ addiu sp,sp,32
+#endif
+ bnez a3, 1f
+ j ra /* Return to caller. */
+1:
+ move a0,v0 /* Pass return val to C function. */
+
+#ifdef __PIC__
+ SETUP_GP64(v0, syscall)
+ PTR_LA t9, __syscall_error
+ RESTORE_GP64
+ jr t9
+#else
+ j __syscall_error
+#endif
+.end syscall
+.size syscall,.-syscall