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| Rev | Author | Line No. | Line |
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| 78 | jermar | 1 | /* |
| 2 | * Copyright (C) 2005 Jakub Jermar |
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| 3 | * All rights reserved. |
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| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * |
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| 9 | * - Redistributions of source code must retain the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer. |
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| 11 | * - Redistributions in binary form must reproduce the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer in the |
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| 13 | * documentation and/or other materials provided with the distribution. |
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| 14 | * - The name of the author may not be used to endorse or promote products |
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| 15 | * derived from this software without specific prior written permission. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 27 | */ |
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| 28 | |||
| 29 | #include <arch/ski/ski.h> |
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| 30 | |||
| 79 | jermar | 31 | /** Initialize debug console |
| 32 | * |
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| 33 | * Issue SSC (Simulator System Call) to |
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| 34 | * to open debug console. |
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| 35 | */ |
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| 78 | jermar | 36 | void ski_init_console(void) |
| 37 | { |
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| 38 | __asm__ ( |
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| 39 | "mov r15=%0\n" |
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| 40 | "break 0x80000\n" |
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| 41 | : |
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| 42 | : "i" (SKI_INIT_CONSOLE) |
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| 43 | : "r15", "r8" |
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| 44 | ); |
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| 45 | } |
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| 46 | |||
| 79 | jermar | 47 | /** Display character on debug console |
| 48 | * |
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| 49 | * Use SSC (Simulator System Call) to |
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| 50 | * display character on debug console. |
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| 51 | * |
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| 52 | * @param ch Character to be printed. |
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| 53 | */ |
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| 78 | jermar | 54 | void ski_putchar(const char ch) |
| 55 | { |
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| 56 | __asm__ ( |
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| 57 | "mov r15=%0\n" |
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| 58 | "mov r32=%1\n" /* r32 is in0 */ |
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| 59 | "break 0x80000\n" /* modifies r8 */ |
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| 60 | : |
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| 61 | : "i" (SKI_PUTCHAR), "r" (ch) |
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| 62 | : "r15", "in0", "r8" |
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| 63 | ); |
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| 64 | |||
| 65 | if (ch == '\n') ski_putchar('\r'); |
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| 66 | } |