newlib/libgloss/moxie/sim-read.S
Jeff Johnston bc6b90cc10 2009-04-22 Anthony Green <green@moxielogic.com>
* configure.in: Add moxie support.
        * configure: Regenerate.
        * moxie/aclocal.m4, moxie/configure, moxie/configure.in,
        moxie/crt0.S, moxie/fstat.c, moxie/getpid.c, isatty.c,
        moxie/kill.c, moxie/Makefile.in, moxie/moxie-elf-common.ld,
        moxie/print.c, moxie/putnum.c, moxie/qemu.ld, moxie/qemu-time.c,
        moxie/qemu-write.c, moxie/sbrk.c, moxie/sim-close.S,
        moxie/sim-exit.S,
        moxie/sim-inbyte.c, moxie/sim.ld, moxie/sim-lseek.c,
        moxie/sim-lseek.S, moxie/sim-open.S, moxie/sim-read.S, moxie/sim-time.c,
        moxie/sim-unlink.S, moxie/sim-write.S, moxie/stat.c: New files.
2009-04-22 19:48:07 +00:00

40 lines
1.0 KiB
ArmAsm

/*
* sim-read.S -- read interface for moxie simulator
*
* Copyright (c) 2008 Anthony Green
*
* The authors hereby grant permission to use, copy, modify, distribute,
* and license this software and its documentation for any purpose, provided
* that existing copyright notices are retained in all copies and that this
* notice is included verbatim in any distributions. No written agreement,
* license, or royalty fee is required for any of the authorized uses.
* Modifications to this software may be copyrighted by their authors
* and need not follow the licensing terms described here, provided that
* the new terms are clearly indicated on the first page of each file where
* they apply.
*/
#include "syscall.h"
/*
* Input:
* $r0 -- File descriptor.
* $r1 -- Buffer to be read into.
* -0x12($fp) -- Length of the buffer.
*
* Output:
* $r0 -- Length read or -1.
* errno -- Set if an error
*/
.globl _read
.type _read,@function
.weak read
.text
_read:
read:
swi SYS_read
ret
.Lend:
.size _read,.Lend-_read