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Rev | Author | Line No. | Line |
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4377 | svoboda | 1 | /* |
2 | * Copyright (c) 2005 Jakub Jermar |
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3 | * Copyright (c) 2008 Jiri Svoboda |
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4 | * All rights reserved. |
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5 | * |
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6 | * Redistribution and use in source and binary forms, with or without |
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7 | * modification, are permitted provided that the following conditions |
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8 | * are met: |
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9 | * |
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10 | * - Redistributions of source code must retain the above copyright |
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11 | * notice, this list of conditions and the following disclaimer. |
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12 | * - Redistributions in binary form must reproduce the above copyright |
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13 | * notice, this list of conditions and the following disclaimer in the |
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14 | * documentation and/or other materials provided with the distribution. |
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15 | * - The name of the author may not be used to endorse or promote products |
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16 | * derived from this software without specific prior written permission. |
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17 | * |
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18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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28 | */ |
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29 | |||
30 | /** @defgroup msimfb MSIM text console |
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31 | * @brief HelenOS MSIM text console. |
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32 | * @ingroup fbs |
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33 | * @{ |
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34 | */ |
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35 | /** @file |
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36 | */ |
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37 | |||
38 | #include <async.h> |
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39 | #include <libc.h> |
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40 | #include <sysinfo.h> |
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41 | #include <as.h> |
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42 | #include <ddi.h> |
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43 | |||
44 | #include "serial_console.h" |
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45 | #include "ski.h" |
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46 | |||
47 | #define SKI_PUTCHAR 31 |
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48 | |||
49 | #define WIDTH 80 |
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50 | #define HEIGHT 24 |
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51 | |||
52 | /** Display character on ski debug console |
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53 | * |
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54 | * Use SSC (Simulator System Call) to |
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55 | * display character on debug console. |
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56 | * |
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57 | * @param ch Character to be printed. |
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58 | */ |
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59 | static void ski_putc(const char ch) |
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60 | { |
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61 | asm volatile ( |
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62 | "mov r15 = %0\n" |
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63 | "mov r32 = %1\n" /* r32 is in0 */ |
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64 | "break 0x80000\n" /* modifies r8 */ |
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65 | : |
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66 | : "i" (SKI_PUTCHAR), "r" (ch) |
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67 | : "r15", "in0", "r8" |
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68 | ); |
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69 | |||
70 | if (ch == '\n') |
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71 | ski_putc('\r'); |
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72 | } |
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73 | |||
74 | int ski_init(void) |
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75 | { |
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76 | serial_console_init(ski_putc, WIDTH, HEIGHT); |
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77 | |||
78 | async_set_client_connection(serial_client_connection); |
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79 | return 0; |
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80 | } |
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81 | |||
82 | /** |
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83 | * @} |
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84 | */ |