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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 | } |