source: trunk/libs/newlib/src/libgloss/frv/sim-read.S @ 547

Last change on this file since 547 was 444, checked in by satin@…, 7 years ago

add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc

File size: 1.1 KB
Line 
1/*
2 * sim-read.S -- read interface for frv simulator
3 *
4 * Copyright (c) 2002 Red Hat, Inc
5 *
6 * The authors hereby grant permission to use, copy, modify, distribute,
7 * and license this software and its documentation for any purpose, provided
8 * that existing copyright notices are retained in all copies and that this
9 * notice is included verbatim in any distributions. No written agreement,
10 * license, or royalty fee is required for any of the authorized uses.
11 * Modifications to this software may be copyrighted by their authors
12 * and need not follow the licensing terms described here, provided that
13 * the new terms are clearly indicated on the first page of each file where
14 * they apply.
15 */
16
17#include <frv-asm.h>
18
19#include "syscall.h"
20
21/*
22 * Input:
23 * gr8    -- File descriptor.
24 * gr9    -- Buffer to be read into.
25 * gr10   -- Length of the buffer.
26 *
27 * Output:
28 * gr8    -- Length read or -1.
29 * errno  -- Set if an error
30 */
31
32        .globl  EXT(_read)
33        .type   EXT(_read),@function
34        .weak   EXT(read)
35        .text
36EXT(_read):
37EXT(read):
38        setlos  #SYS_read,gr7
39        tira    gr0,#0
40        ret
41.Lend:
42        .size   EXT(_read),.Lend-EXT(_read)
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