| /* | |
| * Copyright (c) 2011 ARM Limited | |
| * All rights reserved | |
| * | |
| * The license below extends only to copyright in the software and shall | |
| * not be construed as granting a license to any other intellectual | |
| * property including but not limited to intellectual property relating | |
| * to a hardware implementation of the functionality of the software | |
| * licensed hereunder. You may use the software subject to the license | |
| * terms below provided that you ensure that this notice is replicated | |
| * unmodified and in its entirety in all distributions of the software, | |
| * modified or unmodified, in source code or in binary form. | |
| * | |
| * Redistribution and use in source and binary forms, with or without | |
| * modification, are permitted provided that the following conditions are | |
| * met: redistributions of source code must retain the above copyright | |
| * notice, this list of conditions and the following disclaimer; | |
| * redistributions in binary form must reproduce the above copyright | |
| * notice, this list of conditions and the following disclaimer in the | |
| * documentation and/or other materials provided with the distribution; | |
| * neither the name of the copyright holders nor the names of its | |
| * contributors may be used to endorse or promote products derived from | |
| * this software without specific prior written permission. | |
| * | |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| * | |
| * Authors: Ali Saidi | |
| */ | |
| #include <list> | |
| #include "base/misc.hh" | |
| #include "dev/ps2.hh" | |
| #include "x11keysym/keysym.h" | |
| namespace Ps2 { | |
| /** Table to convert simple key symbols (0x00XX) into ps2 bytes. Lower byte | |
| * is the scan code to send and upper byte is if a modifier is required to | |
| * generate it. The table generates us keyboard codes, (e.g. the guest is | |
| * supposed to recognize the keyboard as en_US). A new table would be required | |
| * for another locale. | |
| */ | |
| static const uint16_t keySymToPs2Byte[128] = { | |
| // 0 / 8 1 / 9 2 / A 3 / B 4 / C 5 / D 6 / E 7 / F | |
| 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, // 0x00-0x07 | |
| 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, // 0x08-0x0f | |
| 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, // 0x10-0x17 | |
| 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, // 0x18-0x1f | |
| 0x0029, 0x0116, 0x0152, 0x0126, 0x0125, 0x012e, 0x013d, 0x0052, // 0x20-0x27 | |
| 0x0146, 0x0145, 0x013e, 0x0155, 0x0041, 0x004e, 0x0049, 0x004a, // 0x28-0x2f | |
| 0x0045, 0x0016, 0x001e, 0x0026, 0x0025, 0x002e, 0x0036, 0x003d, // 0x30-0x37 | |
| 0x003e, 0x0046, 0x014c, 0x004c, 0x0141, 0x0055, 0x0149, 0x014a, // 0x38-0x3f | |
| 0x011e, 0x011c, 0x0132, 0x0121, 0x0123, 0x0124, 0x012b, 0x0134, // 0x40-0x47 | |
| 0x0133, 0x0143, 0x013b, 0x0142, 0x014b, 0x013a, 0x0131, 0x0144, // 0x48-0x4f | |
| 0x014d, 0x0115, 0x012d, 0x011b, 0x012c, 0x013c, 0x012a, 0x011d, // 0x50-0x57 | |
| 0x0122, 0x0135, 0x011a, 0x0054, 0x005d, 0x005b, 0x0136, 0x014e, // 0x58-0x5f | |
| 0x000e, 0x001c, 0x0032, 0x0021, 0x0023, 0x0024, 0x002b, 0x0034, // 0x60-0x67 | |
| 0x0033, 0x0043, 0x003b, 0x0042, 0x004b, 0x003a, 0x0031, 0x0044, // 0x68-0x6f | |
| 0x004d, 0x0015, 0x002d, 0x001b, 0x002c, 0x003c, 0x002a, 0x001d, // 0x70-0x77 | |
| 0x0022, 0x0035, 0x001a, 0x0154, 0x015d, 0x015b, 0x010e, 0x0000 // 0x78-0x7f | |
| }; | |
| const uint8_t ShiftKey = 0x12; | |
| const uint8_t BreakKey = 0xf0; | |
| const uint8_t ExtendedKey = 0xe0; | |
| const uint32_t UpperKeys = 0xff00; | |
| void | |
| keySymToPs2(uint32_t key, bool down, bool &cur_shift, | |
| std::list<uint8_t> &keys) | |
| { | |
| if (key <= XK_asciitilde) { | |
| uint16_t tmp = keySymToPs2Byte[key]; | |
| uint8_t code = tmp & 0xff; | |
| bool shift = tmp >> 8; | |
| if (down) { | |
| if (!cur_shift && shift) { | |
| keys.push_back(ShiftKey); | |
| cur_shift = true; | |
| } | |
| keys.push_back(code); | |
| } else { | |
| if (cur_shift && !shift) { | |
| keys.push_back(BreakKey); | |
| keys.push_back(ShiftKey); | |
| cur_shift = false; | |
| } | |
| keys.push_back(BreakKey); | |
| keys.push_back(code); | |
| } | |
| } else { | |
| if ((key & UpperKeys) == UpperKeys) { | |
| bool extended = false; | |
| switch (key) { | |
| case XK_BackSpace: | |
| keys.push_back(0x66); | |
| break; | |
| case XK_Tab: | |
| keys.push_back(0x0d); | |
| break; | |
| case XK_Return: | |
| keys.push_back(0x5a); | |
| break; | |
| case XK_Escape: | |
| keys.push_back(0x76); | |
| break; | |
| case XK_Delete: | |
| extended = true; | |
| keys.push_back(0x71); | |
| break; | |
| case XK_Home: | |
| extended = true; | |
| keys.push_back(0x6c); | |
| break; | |
| case XK_Left: | |
| extended = true; | |
| keys.push_back(0x6b); | |
| break; | |
| case XK_Right: | |
| extended = true; | |
| keys.push_back(0x74); | |
| break; | |
| case XK_Down: | |
| extended = true; | |
| keys.push_back(0x72); | |
| break; | |
| case XK_Up: | |
| extended = true; | |
| keys.push_back(0x75); | |
| break; | |
| case XK_Page_Up: | |
| extended = true; | |
| keys.push_back(0x7d); | |
| break; | |
| case XK_Page_Down: | |
| extended = true; | |
| keys.push_back(0x7a); | |
| break; | |
| case XK_End: | |
| extended = true; | |
| keys.push_back(0x69); | |
| break; | |
| case XK_Shift_L: | |
| keys.push_back(0x12); | |
| if (down) | |
| cur_shift = true; | |
| else | |
| cur_shift = false; | |
| break; | |
| case XK_Shift_R: | |
| keys.push_back(0x59); | |
| if (down) | |
| cur_shift = true; | |
| else | |
| cur_shift = false; | |
| break; | |
| case XK_Control_L: | |
| keys.push_back(0x14); | |
| break; | |
| case XK_Control_R: | |
| extended = true; | |
| keys.push_back(0x14); | |
| break; | |
| case XK_Alt_L: | |
| keys.push_back(0x11); | |
| break; | |
| case XK_Alt_R: | |
| extended = true; | |
| keys.push_back(0x11); | |
| break; | |
| default: | |
| warn("Unknown extended key %#x\n", key); | |
| return; | |
| } | |
| if (extended) { | |
| if (down) { | |
| keys.push_front(ExtendedKey); | |
| } else { | |
| keys.push_front(BreakKey); | |
| keys.push_front(ExtendedKey); | |
| } | |
| } else { | |
| if (!down) | |
| keys.push_front(BreakKey); | |
| } | |
| } // upper keys | |
| } // extended keys | |
| return; | |
| } | |
| } /* namespace Ps2 */ | |