blob: a4adb8fe974ac598d1213d2588104cc43423b6be [file] [log] [blame]
rjw1f884582022-01-06 17:20:42 +08001/*
2 * Copyright (c) 2015 Travis Geiselbrecht
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining
5 * a copy of this software and associated documentation files
6 * (the "Software"), to deal in the Software without restriction,
7 * including without limitation the rights to use, copy, modify, merge,
8 * publish, distribute, sublicense, and/or sell copies of the Software,
9 * and to permit persons to whom the Software is furnished to do so,
10 * subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
18 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
19 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
20 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
21 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22 */
23#include <reg.h>
24#include <kernel/thread.h>
25#include <platform.h>
26#include <platform/interrupts.h>
27#include <platform/debug.h>
28#include <platform/timer.h>
29#include <sys/types.h>
30#include <target/microblaze-config.h>
31
32void uartlite_putc(char c);
33int uartlite_getc(bool wait);
34
35void platform_dputc(char c)
36{
37 if (c == '\n')
38 uartlite_putc('\r');
39 uartlite_putc(c);
40}
41
42int platform_dgetc(char *c, bool wait)
43{
44 for (;;) {
45 int ret = uartlite_getc(wait);
46 if (ret >= 0) {
47 *c = ret;
48 return 0;
49 }
50
51 if (!wait)
52 return -1;
53
54 thread_yield();
55 }
56}
57
58