1 /*
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright © 2021 Keith Packard
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  *
13  * 2. Redistributions in binary form must reproduce the above
14  *    copyright notice, this list of conditions and the following
15  *    disclaimer in the documentation and/or other materials provided
16  *    with the distribution.
17  *
18  * 3. Neither the name of the copyright holder nor the names of its
19  *    contributors may be used to endorse or promote products derived
20  *    from this software without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
25  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
26  * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
27  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
28  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
29  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
31  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
33  * OF THE POSSIBILITY OF SUCH DAMAGE.
34  */
35 
36 #include <stdio.h>
37 #include <stdlib.h>
38 #include <unistd.h>
39 
40 #include "opal.h"
41 
42 static int
powerpc_putc(char c,FILE * file)43 powerpc_putc(char c, FILE *file)
44 {
45         opal_console_write(OPAL_TERMINAL_DEFAULT, 1, &c);
46 	(void) file;
47 	return (unsigned char) c;
48 }
49 
50 static int
powerpc_getc(FILE * file)51 powerpc_getc(FILE *file)
52 {
53 	(void) file;
54 	return EOF;
55 }
56 
57 static FILE __stdio = FDEV_SETUP_STREAM(powerpc_putc, powerpc_getc, NULL, _FDEV_SETUP_RW);
58 
59 #ifdef __strong_reference
60 #define STDIO_ALIAS(x) __strong_reference(stdin, x);
61 #else
62 #define STDIO_ALIAS(x) FILE *const x = &__stdio;
63 #endif
64 
65 FILE *const stdin = &__stdio;
66 STDIO_ALIAS(stdout);
67 STDIO_ALIAS(stderr);
68