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2337 | kebrt | 1 | /* |
2 | * Copyright (c) 2007 Michal Kebrt |
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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 | /** @addtogroup kbdarm32 arm32 |
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30 | * @brief HelenOS arm32 arch dependent parts of uspace keyboard handler. |
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31 | * @ingroup kbd |
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32 | * @{ |
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33 | */ |
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34 | /** @file |
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35 | */ |
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36 | |||
37 | #include <arch/kbd.h> |
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38 | #include <ipc/ipc.h> |
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39 | #include <sysinfo.h> |
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40 | #include <kbd.h> |
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41 | #include <keys.h> |
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42 | |||
43 | #define GXEMUL_KEY_F1 0x504f1bL |
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44 | #define GXEMUL_KEY_F2 0x514f1bL |
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45 | #define GXEMUL_KEY_F3 0x524f1bL |
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46 | #define GXEMUL_KEY_F4 0x534f1bL |
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47 | #define GXEMUL_KEY_F5 0x35315b1bL |
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48 | #define GXEMUL_KEY_F6 0x37315b1bL |
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49 | #define GXEMUL_KEY_F7 0x38315b1bL |
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50 | #define GXEMUL_KEY_F8 0x39315b1bL |
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51 | #define GXEMUL_KEY_F9 0x30325b1bL |
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52 | #define GXEMUL_KEY_F10 0x31325b1bL |
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53 | #define GXEMUL_KEY_F11 0x33325d1bL |
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54 | #define GXEMUL_KEY_F12 0x34325b1bL |
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55 | |||
56 | #define FUNCTION_KEYS 0x100 |
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57 | |||
58 | irq_cmd_t gxemul_cmds[] = { |
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59 | { |
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60 | CMD_MEM_READ_1, |
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61 | (void *) 0, |
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62 | 0, |
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63 | 2 |
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64 | } |
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65 | }; |
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66 | |||
67 | irq_code_t gxemul_kbd = { |
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68 | 1, |
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69 | gxemul_cmds |
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70 | }; |
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71 | |||
72 | |||
73 | /* |
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74 | // Please preserve this code (it can be used to determine scancodes) |
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75 | int to_hex(int v) |
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76 | { |
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77 | return "0123456789ABCDEF"[v]; |
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78 | } |
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79 | */ |
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80 | |||
81 | static int gxemul_process_no_fb(keybuffer_t *keybuffer, int scan_code) |
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82 | { |
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83 | |||
84 | static unsigned long buf = 0; |
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85 | static int count = 0; |
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86 | |||
87 | /* Preserve for detecting scan codes. |
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88 | keybuffer_push(keybuffer, to_hex((scan_code>>4)&0xf)); |
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89 | keybuffer_push(keybuffer, to_hex(scan_code&0xf)); |
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90 | keybuffer_push(keybuffer, 'X'); |
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91 | keybuffer_push(keybuffer, 'Y'); |
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92 | return 1; |
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93 | */ |
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94 | |||
95 | if (scan_code == '\r') |
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96 | scan_code = '\n'; |
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97 | |||
98 | if(scan_code == 0x7e) { |
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99 | switch (buf) { |
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100 | case GXEMUL_KEY_F5: |
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101 | keybuffer_push(keybuffer,FUNCTION_KEYS | 5); |
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102 | buf = count = 0; |
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103 | return 1; |
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104 | case GXEMUL_KEY_F6: |
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105 | keybuffer_push(keybuffer,FUNCTION_KEYS | 6); |
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106 | buf = count = 0; |
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107 | return 1; |
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108 | case GXEMUL_KEY_F7: |
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109 | keybuffer_push(keybuffer,FUNCTION_KEYS | 7); |
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110 | buf = count = 0; |
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111 | return 1; |
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112 | case GXEMUL_KEY_F8: |
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113 | keybuffer_push(keybuffer,FUNCTION_KEYS | 8); |
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114 | buf = count = 0; |
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115 | return 1; |
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116 | case GXEMUL_KEY_F9: |
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117 | keybuffer_push(keybuffer,FUNCTION_KEYS | 9); |
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118 | buf = count = 0; |
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119 | return 1; |
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120 | case GXEMUL_KEY_F10: |
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121 | keybuffer_push(keybuffer,FUNCTION_KEYS | 10); |
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122 | buf = count = 0; |
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123 | return 1; |
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124 | case GXEMUL_KEY_F11: |
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125 | keybuffer_push(keybuffer,FUNCTION_KEYS | 11); |
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126 | buf = count = 0; |
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127 | return 1; |
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128 | case GXEMUL_KEY_F12: |
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129 | keybuffer_push(keybuffer,FUNCTION_KEYS | 12); |
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130 | buf = count = 0; |
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131 | return 1; |
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132 | default: |
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133 | keybuffer_push(keybuffer, buf & 0xff); |
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134 | keybuffer_push(keybuffer, (buf >> 8) &0xff); |
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135 | keybuffer_push(keybuffer, (buf >> 16) &0xff); |
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136 | keybuffer_push(keybuffer, (buf >> 24) &0xff); |
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137 | keybuffer_push(keybuffer, scan_code); |
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138 | buf = count = 0; |
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139 | return 1; |
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140 | } |
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141 | } |
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142 | |||
143 | buf |= ((unsigned long) scan_code)<<(8*(count++)); |
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144 | |||
145 | if((buf & 0xff) != (GXEMUL_KEY_F1 & 0xff)) { |
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146 | keybuffer_push(keybuffer, buf); |
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147 | buf = count = 0; |
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148 | return 1; |
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149 | } |
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150 | |||
151 | if (count <= 1) |
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152 | return 1; |
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153 | |||
154 | if ((buf & 0xffff) != (GXEMUL_KEY_F1 & 0xffff) |
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155 | && (buf & 0xffff) != (GXEMUL_KEY_F5 & 0xffff) ) { |
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156 | |||
157 | keybuffer_push(keybuffer, buf & 0xff); |
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158 | keybuffer_push(keybuffer, (buf >> 8) &0xff); |
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159 | buf = count = 0; |
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160 | return 1; |
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161 | } |
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162 | |||
163 | if (count <= 2) |
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164 | return 1; |
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165 | |||
166 | switch (buf) { |
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167 | case GXEMUL_KEY_F1: |
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168 | keybuffer_push(keybuffer,FUNCTION_KEYS | 1); |
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169 | buf = count = 0; |
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170 | return 1; |
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171 | case GXEMUL_KEY_F2: |
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172 | keybuffer_push(keybuffer,FUNCTION_KEYS | 2); |
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173 | buf = count = 0; |
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174 | return 1; |
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175 | case GXEMUL_KEY_F3: |
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176 | keybuffer_push(keybuffer,FUNCTION_KEYS | 3); |
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177 | buf = count = 0; |
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178 | return 1; |
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179 | case GXEMUL_KEY_F4: |
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180 | keybuffer_push(keybuffer,FUNCTION_KEYS | 4); |
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181 | buf = count = 0; |
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182 | return 1; |
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183 | } |
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184 | |||
185 | |||
186 | if((buf & 0xffffff) != (GXEMUL_KEY_F5 & 0xffffff) |
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187 | && (buf & 0xffffff) != (GXEMUL_KEY_F9 & 0xffffff)) { |
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188 | |||
189 | keybuffer_push(keybuffer, buf & 0xff); |
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190 | keybuffer_push(keybuffer, (buf >> 8) & 0xff); |
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191 | keybuffer_push(keybuffer, (buf >> 16) & 0xff); |
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192 | buf=count=0; |
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193 | return 1; |
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194 | } |
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195 | |||
196 | if (count <= 3) |
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197 | return 1; |
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198 | |||
199 | switch (buf) { |
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200 | case GXEMUL_KEY_F5: |
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201 | case GXEMUL_KEY_F6: |
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202 | case GXEMUL_KEY_F7: |
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203 | case GXEMUL_KEY_F8: |
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204 | case GXEMUL_KEY_F9: |
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205 | case GXEMUL_KEY_F10: |
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206 | case GXEMUL_KEY_F11: |
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207 | case GXEMUL_KEY_F12: |
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208 | return 1; |
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209 | default: |
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210 | keybuffer_push(keybuffer, buf & 0xff); |
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211 | keybuffer_push(keybuffer, (buf >> 8) &0xff); |
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212 | keybuffer_push(keybuffer, (buf >> 16) &0xff); |
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213 | keybuffer_push(keybuffer, (buf >> 24) &0xff); |
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214 | buf = count = 0; |
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215 | return 1; |
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216 | } |
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217 | return 1; |
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218 | } |
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219 | |||
220 | |||
221 | int kbd_arch_init(void) |
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222 | { |
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223 | gxemul_cmds[0].addr = (void *) sysinfo_value("kbd.address.virtual"); |
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224 | ipc_register_irq(sysinfo_value("kbd.inr"), sysinfo_value("kbd.devno"), 0, &gxemul_kbd); |
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225 | return 0; |
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226 | } |
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227 | |||
228 | |||
229 | int kbd_arch_process(keybuffer_t *keybuffer, ipc_call_t *call) |
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230 | { |
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231 | int scan_code = IPC_GET_ARG2(*call); |
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232 | static int esc_count=0; |
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233 | |||
234 | if (scan_code == 0x1b) { |
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235 | esc_count++; |
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236 | if (esc_count == 3) { |
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237 | __SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE); |
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238 | } |
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239 | } else { |
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240 | esc_count = 0; |
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241 | } |
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242 | |||
243 | return gxemul_process_no_fb(keybuffer, scan_code); |
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244 | } |
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245 | |||
246 | /** @} |
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247 | */ |