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1 | /* |
1 | /* |
2 | * Copyright (C) 2005 Jakub Jermar |
2 | * Copyright (C) 2005 Jakub Jermar |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | #include <arch/ski/ski.h> |
29 | #include <arch/ski/ski.h> |
30 | 30 | ||
- | 31 | /** Initialize debug console |
|
- | 32 | * |
|
- | 33 | * Issue SSC (Simulator System Call) to |
|
- | 34 | * to open debug console. |
|
- | 35 | */ |
|
31 | void ski_init_console(void) |
36 | void ski_init_console(void) |
32 | { |
37 | { |
33 | __asm__ ( |
38 | __asm__ ( |
34 | "mov r15=%0\n" |
39 | "mov r15=%0\n" |
35 | "break 0x80000\n" |
40 | "break 0x80000\n" |
36 | : |
41 | : |
37 | : "i" (SKI_INIT_CONSOLE) |
42 | : "i" (SKI_INIT_CONSOLE) |
38 | : "r15", "r8" |
43 | : "r15", "r8" |
39 | ); |
44 | ); |
40 | } |
45 | } |
41 | 46 | ||
- | 47 | /** Display character on debug console |
|
- | 48 | * |
|
- | 49 | * Use SSC (Simulator System Call) to |
|
- | 50 | * display character on debug console. |
|
- | 51 | * |
|
- | 52 | * @param ch Character to be printed. |
|
- | 53 | */ |
|
42 | void ski_putchar(const char ch) |
54 | void ski_putchar(const char ch) |
43 | { |
55 | { |
44 | __asm__ ( |
56 | __asm__ ( |
45 | "mov r15=%0\n" |
57 | "mov r15=%0\n" |
46 | "mov r32=%1\n" /* r32 is in0 */ |
58 | "mov r32=%1\n" /* r32 is in0 */ |
47 | "break 0x80000\n" /* modifies r8 */ |
59 | "break 0x80000\n" /* modifies r8 */ |
48 | : |
60 | : |
49 | : "i" (SKI_PUTCHAR), "r" (ch) |
61 | : "i" (SKI_PUTCHAR), "r" (ch) |
50 | : "r15", "in0", "r8" |
62 | : "r15", "in0", "r8" |
51 | ); |
63 | ); |
52 | 64 | ||
53 | if (ch == '\n') ski_putchar('\r'); |
65 | if (ch == '\n') ski_putchar('\r'); |
54 | } |
66 | } |
55 | 67 |