Replace the qcode_to_keycode_set1, qcode_to_keycode_set2, and qcode_to_keycode_set3 tables with automatically generated tables. Missing entries in qcode_to_keycode_set1 now fixed: - Q_KEY_CODE_SYSRQ -> 0x54 - Q_KEY_CODE_PRINT -> 0x54 (NB ignored due to special case) - Q_KEY_CODE_AGAIN -> 0xe005 - Q_KEY_CODE_PROPS -> 0xe006 - Q_KEY_CODE_UNDO -> 0xe007 - Q_KEY_CODE_FRONT -> 0xe00c - Q_KEY_CODE_COPY -> 0xe078 - Q_KEY_CODE_OPEN -> 0x64 - Q_KEY_CODE_PASTE -> 0x65 - Q_KEY_CODE_CUT -> 0xe03c - Q_KEY_CODE_LF -> 0x5b - Q_KEY_CODE_HELP -> 0xe075 - Q_KEY_CODE_COMPOSE -> 0xe05d - Q_KEY_CODE_PAUSE -> 0xe046 - Q_KEY_CODE_KP_EQUALS -> 0x59 And some mistakes corrected: - Q_KEY_CODE_HIRAGANA was mapped to 0x70 (Katakanahiragana) instead of of 0x77 (Hirigana) - Q_KEY_CODE_MENU was incorrectly mapped to the compose scancode (0xe05d) and is now mapped to 0xe01e - Q_KEY_CODE_FIND was mapped to 0xe065 (Search) instead of to 0xe041 (Find) - Q_KEY_CODE_POWER, SLEEP & WAKE had 0x0e instead of 0xe0 as the prefix Missing entries in qcode_to_keycode_set2 now fixed: - Q_KEY_CODE_PRINT -> 0x7f (NB ignored due to special case) - Q_KEY_CODE_COMPOSE -> 0xe02f - Q_KEY_CODE_PAUSE -> 0xe077 - Q_KEY_CODE_KP_EQUALS -> 0x0f And some mistakes corrected: - Q_KEY_CODE_HIRAGANA was mapped to 0x13 (Katakanahiragana) instead of of 0x62 (Hirigana) - Q_KEY_CODE_MENU was incorrectly mapped to the compose scancode (0xe02f) and is now not mapped - Q_KEY_CODE_FIND was mapped to 0xe010 (Search) and is now not mapped. - Q_KEY_CODE_POWER, SLEEP & WAKE had 0x0e instead of 0xe0 as the prefix Missing entries in qcode_to_keycode_set3 now fixed: - Q_KEY_CODE_ASTERISK -> 0x7e - Q_KEY_CODE_SYSRQ -> 0x57 - Q_KEY_CODE_LESS -> 0x13 - Q_KEY_CODE_STOP -> 0x0a - Q_KEY_CODE_AGAIN -> 0x0b - Q_KEY_CODE_PROPS -> 0x0c - Q_KEY_CODE_UNDO -> 0x10 - Q_KEY_CODE_COPY -> 0x18 - Q_KEY_CODE_OPEN -> 0x20 - Q_KEY_CODE_PASTE -> 0x28 - Q_KEY_CODE_FIND -> 0x30 - Q_KEY_CODE_CUT -> 0x38 - Q_KEY_CODE_HELP -> 0x09 - Q_KEY_CODE_COMPOSE -> 0x8d - Q_KEY_CODE_AUDIONEXT -> 0x93 - Q_KEY_CODE_AUDIOPREV -> 0x94 - Q_KEY_CODE_AUDIOSTOP -> 0x98 - Q_KEY_CODE_AUDIOMUTE -> 0x9c - Q_KEY_CODE_VOLUMEUP -> 0x95 - Q_KEY_CODE_VOLUMEDOWN -> 0x9d - Q_KEY_CODE_CALCULATOR -> 0xa3 - Q_KEY_CODE_AC_HOME -> 0x97 And some mistakes corrected: - Q_KEY_CODE_MENU was incorrectly mapped to the compose scancode (0x8d) and is now 0x91 Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 20180117164118.8510-2-berrange@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
1072 lines
33 KiB
C
1072 lines
33 KiB
C
/*
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* QEMU PS/2 keyboard/mouse emulation
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*
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* Copyright (c) 2003 Fabrice Bellard
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "qemu/osdep.h"
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#include "qemu/log.h"
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#include "hw/hw.h"
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#include "hw/input/ps2.h"
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#include "ui/console.h"
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#include "ui/input.h"
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#include "sysemu/sysemu.h"
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#include "trace.h"
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/* debug PC keyboard */
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//#define DEBUG_KBD
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/* debug PC keyboard : only mouse */
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//#define DEBUG_MOUSE
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/* Keyboard Commands */
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#define KBD_CMD_SET_LEDS 0xED /* Set keyboard leds */
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#define KBD_CMD_ECHO 0xEE
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#define KBD_CMD_SCANCODE 0xF0 /* Get/set scancode set */
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#define KBD_CMD_GET_ID 0xF2 /* get keyboard ID */
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#define KBD_CMD_SET_RATE 0xF3 /* Set typematic rate */
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#define KBD_CMD_ENABLE 0xF4 /* Enable scanning */
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#define KBD_CMD_RESET_DISABLE 0xF5 /* reset and disable scanning */
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#define KBD_CMD_RESET_ENABLE 0xF6 /* reset and enable scanning */
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#define KBD_CMD_RESET 0xFF /* Reset */
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/* Keyboard Replies */
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#define KBD_REPLY_POR 0xAA /* Power on reset */
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#define KBD_REPLY_ID 0xAB /* Keyboard ID */
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#define KBD_REPLY_ACK 0xFA /* Command ACK */
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#define KBD_REPLY_RESEND 0xFE /* Command NACK, send the cmd again */
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/* Mouse Commands */
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#define AUX_SET_SCALE11 0xE6 /* Set 1:1 scaling */
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#define AUX_SET_SCALE21 0xE7 /* Set 2:1 scaling */
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#define AUX_SET_RES 0xE8 /* Set resolution */
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#define AUX_GET_SCALE 0xE9 /* Get scaling factor */
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#define AUX_SET_STREAM 0xEA /* Set stream mode */
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#define AUX_POLL 0xEB /* Poll */
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#define AUX_RESET_WRAP 0xEC /* Reset wrap mode */
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#define AUX_SET_WRAP 0xEE /* Set wrap mode */
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#define AUX_SET_REMOTE 0xF0 /* Set remote mode */
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#define AUX_GET_TYPE 0xF2 /* Get type */
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#define AUX_SET_SAMPLE 0xF3 /* Set sample rate */
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#define AUX_ENABLE_DEV 0xF4 /* Enable aux device */
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#define AUX_DISABLE_DEV 0xF5 /* Disable aux device */
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#define AUX_SET_DEFAULT 0xF6
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#define AUX_RESET 0xFF /* Reset aux device */
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#define AUX_ACK 0xFA /* Command byte ACK. */
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#define MOUSE_STATUS_REMOTE 0x40
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#define MOUSE_STATUS_ENABLED 0x20
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#define MOUSE_STATUS_SCALE21 0x10
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#define PS2_QUEUE_SIZE 16 /* Buffer size required by PS/2 protocol */
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/* Bits for 'modifiers' field in PS2KbdState */
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#define MOD_CTRL_L (1 << 0)
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#define MOD_SHIFT_L (1 << 1)
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#define MOD_ALT_L (1 << 2)
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#define MOD_CTRL_R (1 << 3)
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#define MOD_SHIFT_R (1 << 4)
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#define MOD_ALT_R (1 << 5)
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typedef struct {
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/* Keep the data array 256 bytes long, which compatibility
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with older qemu versions. */
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uint8_t data[256];
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int rptr, wptr, count;
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} PS2Queue;
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struct PS2State {
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PS2Queue queue;
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int32_t write_cmd;
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void (*update_irq)(void *, int);
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void *update_arg;
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};
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typedef struct {
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PS2State common;
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int scan_enabled;
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int translate;
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int scancode_set; /* 1=XT, 2=AT, 3=PS/2 */
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int ledstate;
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bool need_high_bit;
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unsigned int modifiers; /* bitmask of MOD_* constants above */
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} PS2KbdState;
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typedef struct {
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PS2State common;
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uint8_t mouse_status;
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uint8_t mouse_resolution;
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uint8_t mouse_sample_rate;
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uint8_t mouse_wrap;
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uint8_t mouse_type; /* 0 = PS2, 3 = IMPS/2, 4 = IMEX */
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uint8_t mouse_detect_state;
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int mouse_dx; /* current values, needed for 'poll' mode */
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int mouse_dy;
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int mouse_dz;
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uint8_t mouse_buttons;
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} PS2MouseState;
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static uint8_t translate_table[256] = {
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0xff, 0x43, 0x41, 0x3f, 0x3d, 0x3b, 0x3c, 0x58,
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0x64, 0x44, 0x42, 0x40, 0x3e, 0x0f, 0x29, 0x59,
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0x65, 0x38, 0x2a, 0x70, 0x1d, 0x10, 0x02, 0x5a,
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0x66, 0x71, 0x2c, 0x1f, 0x1e, 0x11, 0x03, 0x5b,
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0x67, 0x2e, 0x2d, 0x20, 0x12, 0x05, 0x04, 0x5c,
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0x68, 0x39, 0x2f, 0x21, 0x14, 0x13, 0x06, 0x5d,
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0x69, 0x31, 0x30, 0x23, 0x22, 0x15, 0x07, 0x5e,
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0x6a, 0x72, 0x32, 0x24, 0x16, 0x08, 0x09, 0x5f,
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0x6b, 0x33, 0x25, 0x17, 0x18, 0x0b, 0x0a, 0x60,
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0x6c, 0x34, 0x35, 0x26, 0x27, 0x19, 0x0c, 0x61,
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0x6d, 0x73, 0x28, 0x74, 0x1a, 0x0d, 0x62, 0x6e,
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0x3a, 0x36, 0x1c, 0x1b, 0x75, 0x2b, 0x63, 0x76,
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0x55, 0x56, 0x77, 0x78, 0x79, 0x7a, 0x0e, 0x7b,
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0x7c, 0x4f, 0x7d, 0x4b, 0x47, 0x7e, 0x7f, 0x6f,
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0x52, 0x53, 0x50, 0x4c, 0x4d, 0x48, 0x01, 0x45,
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0x57, 0x4e, 0x51, 0x4a, 0x37, 0x49, 0x46, 0x54,
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0x80, 0x81, 0x82, 0x41, 0x54, 0x85, 0x86, 0x87,
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0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
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0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
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0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
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0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
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0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
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0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
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0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
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0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
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0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
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0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
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0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
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0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
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0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
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0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
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0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff,
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};
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static unsigned int ps2_modifier_bit(QKeyCode key)
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{
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switch (key) {
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case Q_KEY_CODE_CTRL:
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return MOD_CTRL_L;
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case Q_KEY_CODE_CTRL_R:
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return MOD_CTRL_R;
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case Q_KEY_CODE_SHIFT:
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return MOD_SHIFT_L;
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case Q_KEY_CODE_SHIFT_R:
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return MOD_SHIFT_R;
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case Q_KEY_CODE_ALT:
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return MOD_ALT_L;
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case Q_KEY_CODE_ALT_R:
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return MOD_ALT_R;
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default:
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return 0;
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}
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}
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static void ps2_reset_queue(PS2State *s)
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{
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PS2Queue *q = &s->queue;
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q->rptr = 0;
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q->wptr = 0;
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q->count = 0;
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}
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void ps2_queue(PS2State *s, int b)
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{
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PS2Queue *q = &s->queue;
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if (q->count >= PS2_QUEUE_SIZE - 1)
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return;
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q->data[q->wptr] = b;
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if (++q->wptr == PS2_QUEUE_SIZE)
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q->wptr = 0;
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q->count++;
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s->update_irq(s->update_arg, 1);
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}
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/* keycode is the untranslated scancode in the current scancode set. */
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static void ps2_put_keycode(void *opaque, int keycode)
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{
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PS2KbdState *s = opaque;
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trace_ps2_put_keycode(opaque, keycode);
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qemu_system_wakeup_request(QEMU_WAKEUP_REASON_OTHER);
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if (s->translate) {
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if (keycode == 0xf0) {
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s->need_high_bit = true;
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} else if (s->need_high_bit) {
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ps2_queue(&s->common, translate_table[keycode] | 0x80);
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s->need_high_bit = false;
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} else {
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ps2_queue(&s->common, translate_table[keycode]);
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}
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} else {
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ps2_queue(&s->common, keycode);
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}
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}
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static void ps2_keyboard_event(DeviceState *dev, QemuConsole *src,
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InputEvent *evt)
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{
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PS2KbdState *s = (PS2KbdState *)dev;
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InputKeyEvent *key = evt->u.key.data;
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int qcode;
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uint16_t keycode = 0;
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int mod;
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qemu_system_wakeup_request(QEMU_WAKEUP_REASON_OTHER);
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assert(evt->type == INPUT_EVENT_KIND_KEY);
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qcode = qemu_input_key_value_to_qcode(key->key);
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mod = ps2_modifier_bit(qcode);
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trace_ps2_keyboard_event(s, qcode, key->down, mod, s->modifiers);
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if (key->down) {
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s->modifiers |= mod;
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} else {
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s->modifiers &= ~mod;
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}
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if (s->scancode_set == 1) {
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if (qcode == Q_KEY_CODE_PAUSE) {
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if (s->modifiers & (MOD_CTRL_L | MOD_CTRL_R)) {
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if (key->down) {
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ps2_put_keycode(s, 0xe0);
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ps2_put_keycode(s, 0x46);
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ps2_put_keycode(s, 0xe0);
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ps2_put_keycode(s, 0xc6);
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}
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} else {
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if (key->down) {
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ps2_put_keycode(s, 0xe1);
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ps2_put_keycode(s, 0x1d);
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ps2_put_keycode(s, 0x45);
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ps2_put_keycode(s, 0xe1);
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ps2_put_keycode(s, 0x9d);
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ps2_put_keycode(s, 0xc5);
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}
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}
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} else if (qcode == Q_KEY_CODE_PRINT) {
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if (s->modifiers & MOD_ALT_L) {
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if (key->down) {
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ps2_put_keycode(s, 0xb8);
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ps2_put_keycode(s, 0x38);
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ps2_put_keycode(s, 0x54);
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} else {
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ps2_put_keycode(s, 0xd4);
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ps2_put_keycode(s, 0xb8);
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ps2_put_keycode(s, 0x38);
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}
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} else if (s->modifiers & MOD_ALT_R) {
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if (key->down) {
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ps2_put_keycode(s, 0xe0);
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ps2_put_keycode(s, 0xb8);
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ps2_put_keycode(s, 0xe0);
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ps2_put_keycode(s, 0x38);
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ps2_put_keycode(s, 0x54);
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} else {
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ps2_put_keycode(s, 0xd4);
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ps2_put_keycode(s, 0xe0);
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ps2_put_keycode(s, 0xb8);
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ps2_put_keycode(s, 0xe0);
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ps2_put_keycode(s, 0x38);
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}
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} else if (s->modifiers & (MOD_SHIFT_L | MOD_CTRL_L |
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MOD_SHIFT_R | MOD_CTRL_R)) {
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if (key->down) {
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ps2_put_keycode(s, 0xe0);
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ps2_put_keycode(s, 0x37);
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} else {
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ps2_put_keycode(s, 0xe0);
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ps2_put_keycode(s, 0xb7);
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}
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} else {
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if (key->down) {
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ps2_put_keycode(s, 0xe0);
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ps2_put_keycode(s, 0x2a);
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ps2_put_keycode(s, 0xe0);
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ps2_put_keycode(s, 0x37);
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} else {
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ps2_put_keycode(s, 0xe0);
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ps2_put_keycode(s, 0xb7);
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ps2_put_keycode(s, 0xe0);
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ps2_put_keycode(s, 0xaa);
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}
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}
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} else {
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if (qcode < qemu_input_map_qcode_to_atset1_len)
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keycode = qemu_input_map_qcode_to_atset1[qcode];
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if (keycode) {
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if (keycode & 0xff00) {
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ps2_put_keycode(s, keycode >> 8);
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}
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if (!key->down) {
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keycode |= 0x80;
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}
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ps2_put_keycode(s, keycode & 0xff);
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} else {
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qemu_log_mask(LOG_UNIMP,
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"ps2: ignoring key with qcode %d\n", qcode);
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}
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}
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} else if (s->scancode_set == 2) {
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if (qcode == Q_KEY_CODE_PAUSE) {
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if (s->modifiers & (MOD_CTRL_L | MOD_CTRL_R)) {
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if (key->down) {
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ps2_put_keycode(s, 0xe0);
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ps2_put_keycode(s, 0x7e);
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ps2_put_keycode(s, 0xe0);
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ps2_put_keycode(s, 0xf0);
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ps2_put_keycode(s, 0x7e);
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}
|
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} else {
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if (key->down) {
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ps2_put_keycode(s, 0xe1);
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ps2_put_keycode(s, 0x14);
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ps2_put_keycode(s, 0x77);
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ps2_put_keycode(s, 0xe1);
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ps2_put_keycode(s, 0xf0);
|
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ps2_put_keycode(s, 0x14);
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ps2_put_keycode(s, 0xf0);
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ps2_put_keycode(s, 0x77);
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}
|
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}
|
|
} else if (qcode == Q_KEY_CODE_PRINT) {
|
|
if (s->modifiers & MOD_ALT_L) {
|
|
if (key->down) {
|
|
ps2_put_keycode(s, 0xf0);
|
|
ps2_put_keycode(s, 0x11);
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ps2_put_keycode(s, 0x11);
|
|
ps2_put_keycode(s, 0x84);
|
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} else {
|
|
ps2_put_keycode(s, 0xf0);
|
|
ps2_put_keycode(s, 0x84);
|
|
ps2_put_keycode(s, 0xf0);
|
|
ps2_put_keycode(s, 0x11);
|
|
ps2_put_keycode(s, 0x11);
|
|
}
|
|
} else if (s->modifiers & MOD_ALT_R) {
|
|
if (key->down) {
|
|
ps2_put_keycode(s, 0xe0);
|
|
ps2_put_keycode(s, 0xf0);
|
|
ps2_put_keycode(s, 0x11);
|
|
ps2_put_keycode(s, 0xe0);
|
|
ps2_put_keycode(s, 0x11);
|
|
ps2_put_keycode(s, 0x84);
|
|
} else {
|
|
ps2_put_keycode(s, 0xf0);
|
|
ps2_put_keycode(s, 0x84);
|
|
ps2_put_keycode(s, 0xe0);
|
|
ps2_put_keycode(s, 0xf0);
|
|
ps2_put_keycode(s, 0x11);
|
|
ps2_put_keycode(s, 0xe0);
|
|
ps2_put_keycode(s, 0x11);
|
|
}
|
|
} else if (s->modifiers & (MOD_SHIFT_L | MOD_CTRL_L |
|
|
MOD_SHIFT_R | MOD_CTRL_R)) {
|
|
if (key->down) {
|
|
ps2_put_keycode(s, 0xe0);
|
|
ps2_put_keycode(s, 0x7c);
|
|
} else {
|
|
ps2_put_keycode(s, 0xe0);
|
|
ps2_put_keycode(s, 0xf0);
|
|
ps2_put_keycode(s, 0x7c);
|
|
}
|
|
} else {
|
|
if (key->down) {
|
|
ps2_put_keycode(s, 0xe0);
|
|
ps2_put_keycode(s, 0x12);
|
|
ps2_put_keycode(s, 0xe0);
|
|
ps2_put_keycode(s, 0x7c);
|
|
} else {
|
|
ps2_put_keycode(s, 0xe0);
|
|
ps2_put_keycode(s, 0xf0);
|
|
ps2_put_keycode(s, 0x7c);
|
|
ps2_put_keycode(s, 0xe0);
|
|
ps2_put_keycode(s, 0xf0);
|
|
ps2_put_keycode(s, 0x12);
|
|
}
|
|
}
|
|
} else {
|
|
if (qcode < qemu_input_map_qcode_to_atset2_len)
|
|
keycode = qemu_input_map_qcode_to_atset2[qcode];
|
|
if (keycode) {
|
|
if (keycode & 0xff00) {
|
|
ps2_put_keycode(s, keycode >> 8);
|
|
}
|
|
if (!key->down) {
|
|
ps2_put_keycode(s, 0xf0);
|
|
}
|
|
ps2_put_keycode(s, keycode & 0xff);
|
|
} else {
|
|
qemu_log_mask(LOG_UNIMP,
|
|
"ps2: ignoring key with qcode %d\n", qcode);
|
|
}
|
|
}
|
|
} else if (s->scancode_set == 3) {
|
|
if (qcode < qemu_input_map_qcode_to_atset3_len)
|
|
keycode = qemu_input_map_qcode_to_atset3[qcode];
|
|
if (keycode) {
|
|
/* FIXME: break code should be configured on a key by key basis */
|
|
if (!key->down) {
|
|
ps2_put_keycode(s, 0xf0);
|
|
}
|
|
ps2_put_keycode(s, keycode);
|
|
} else {
|
|
qemu_log_mask(LOG_UNIMP,
|
|
"ps2: ignoring key with qcode %d\n", qcode);
|
|
}
|
|
}
|
|
}
|
|
|
|
uint32_t ps2_read_data(PS2State *s)
|
|
{
|
|
PS2Queue *q;
|
|
int val, index;
|
|
|
|
trace_ps2_read_data(s);
|
|
q = &s->queue;
|
|
if (q->count == 0) {
|
|
/* NOTE: if no data left, we return the last keyboard one
|
|
(needed for EMM386) */
|
|
/* XXX: need a timer to do things correctly */
|
|
index = q->rptr - 1;
|
|
if (index < 0)
|
|
index = PS2_QUEUE_SIZE - 1;
|
|
val = q->data[index];
|
|
} else {
|
|
val = q->data[q->rptr];
|
|
if (++q->rptr == PS2_QUEUE_SIZE)
|
|
q->rptr = 0;
|
|
q->count--;
|
|
/* reading deasserts IRQ */
|
|
s->update_irq(s->update_arg, 0);
|
|
/* reassert IRQs if data left */
|
|
s->update_irq(s->update_arg, q->count != 0);
|
|
}
|
|
return val;
|
|
}
|
|
|
|
static void ps2_set_ledstate(PS2KbdState *s, int ledstate)
|
|
{
|
|
trace_ps2_set_ledstate(s, ledstate);
|
|
s->ledstate = ledstate;
|
|
kbd_put_ledstate(ledstate);
|
|
}
|
|
|
|
static void ps2_reset_keyboard(PS2KbdState *s)
|
|
{
|
|
trace_ps2_reset_keyboard(s);
|
|
s->scan_enabled = 1;
|
|
s->scancode_set = 2;
|
|
ps2_reset_queue(&s->common);
|
|
ps2_set_ledstate(s, 0);
|
|
}
|
|
|
|
void ps2_write_keyboard(void *opaque, int val)
|
|
{
|
|
PS2KbdState *s = (PS2KbdState *)opaque;
|
|
|
|
trace_ps2_write_keyboard(opaque, val);
|
|
switch(s->common.write_cmd) {
|
|
default:
|
|
case -1:
|
|
switch(val) {
|
|
case 0x00:
|
|
ps2_queue(&s->common, KBD_REPLY_ACK);
|
|
break;
|
|
case 0x05:
|
|
ps2_queue(&s->common, KBD_REPLY_RESEND);
|
|
break;
|
|
case KBD_CMD_GET_ID:
|
|
ps2_queue(&s->common, KBD_REPLY_ACK);
|
|
/* We emulate a MF2 AT keyboard here */
|
|
ps2_queue(&s->common, KBD_REPLY_ID);
|
|
if (s->translate)
|
|
ps2_queue(&s->common, 0x41);
|
|
else
|
|
ps2_queue(&s->common, 0x83);
|
|
break;
|
|
case KBD_CMD_ECHO:
|
|
ps2_queue(&s->common, KBD_CMD_ECHO);
|
|
break;
|
|
case KBD_CMD_ENABLE:
|
|
s->scan_enabled = 1;
|
|
ps2_queue(&s->common, KBD_REPLY_ACK);
|
|
break;
|
|
case KBD_CMD_SCANCODE:
|
|
case KBD_CMD_SET_LEDS:
|
|
case KBD_CMD_SET_RATE:
|
|
s->common.write_cmd = val;
|
|
ps2_queue(&s->common, KBD_REPLY_ACK);
|
|
break;
|
|
case KBD_CMD_RESET_DISABLE:
|
|
ps2_reset_keyboard(s);
|
|
s->scan_enabled = 0;
|
|
ps2_queue(&s->common, KBD_REPLY_ACK);
|
|
break;
|
|
case KBD_CMD_RESET_ENABLE:
|
|
ps2_reset_keyboard(s);
|
|
s->scan_enabled = 1;
|
|
ps2_queue(&s->common, KBD_REPLY_ACK);
|
|
break;
|
|
case KBD_CMD_RESET:
|
|
ps2_reset_keyboard(s);
|
|
ps2_queue(&s->common, KBD_REPLY_ACK);
|
|
ps2_queue(&s->common, KBD_REPLY_POR);
|
|
break;
|
|
default:
|
|
ps2_queue(&s->common, KBD_REPLY_RESEND);
|
|
break;
|
|
}
|
|
break;
|
|
case KBD_CMD_SCANCODE:
|
|
if (val == 0) {
|
|
ps2_queue(&s->common, KBD_REPLY_ACK);
|
|
ps2_put_keycode(s, s->scancode_set);
|
|
} else if (val >= 1 && val <= 3) {
|
|
s->scancode_set = val;
|
|
ps2_queue(&s->common, KBD_REPLY_ACK);
|
|
} else {
|
|
ps2_queue(&s->common, KBD_REPLY_RESEND);
|
|
}
|
|
s->common.write_cmd = -1;
|
|
break;
|
|
case KBD_CMD_SET_LEDS:
|
|
ps2_set_ledstate(s, val);
|
|
ps2_queue(&s->common, KBD_REPLY_ACK);
|
|
s->common.write_cmd = -1;
|
|
break;
|
|
case KBD_CMD_SET_RATE:
|
|
ps2_queue(&s->common, KBD_REPLY_ACK);
|
|
s->common.write_cmd = -1;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Set the scancode translation mode.
|
|
0 = raw scancodes.
|
|
1 = translated scancodes (used by qemu internally). */
|
|
|
|
void ps2_keyboard_set_translation(void *opaque, int mode)
|
|
{
|
|
PS2KbdState *s = (PS2KbdState *)opaque;
|
|
trace_ps2_keyboard_set_translation(opaque, mode);
|
|
s->translate = mode;
|
|
}
|
|
|
|
static void ps2_mouse_send_packet(PS2MouseState *s)
|
|
{
|
|
unsigned int b;
|
|
int dx1, dy1, dz1;
|
|
|
|
dx1 = s->mouse_dx;
|
|
dy1 = s->mouse_dy;
|
|
dz1 = s->mouse_dz;
|
|
/* XXX: increase range to 8 bits ? */
|
|
if (dx1 > 127)
|
|
dx1 = 127;
|
|
else if (dx1 < -127)
|
|
dx1 = -127;
|
|
if (dy1 > 127)
|
|
dy1 = 127;
|
|
else if (dy1 < -127)
|
|
dy1 = -127;
|
|
b = 0x08 | ((dx1 < 0) << 4) | ((dy1 < 0) << 5) | (s->mouse_buttons & 0x07);
|
|
ps2_queue(&s->common, b);
|
|
ps2_queue(&s->common, dx1 & 0xff);
|
|
ps2_queue(&s->common, dy1 & 0xff);
|
|
/* extra byte for IMPS/2 or IMEX */
|
|
switch(s->mouse_type) {
|
|
default:
|
|
break;
|
|
case 3:
|
|
if (dz1 > 127)
|
|
dz1 = 127;
|
|
else if (dz1 < -127)
|
|
dz1 = -127;
|
|
ps2_queue(&s->common, dz1 & 0xff);
|
|
break;
|
|
case 4:
|
|
if (dz1 > 7)
|
|
dz1 = 7;
|
|
else if (dz1 < -7)
|
|
dz1 = -7;
|
|
b = (dz1 & 0x0f) | ((s->mouse_buttons & 0x18) << 1);
|
|
ps2_queue(&s->common, b);
|
|
break;
|
|
}
|
|
|
|
trace_ps2_mouse_send_packet(s, dx1, dy1, dz1, b);
|
|
/* update deltas */
|
|
s->mouse_dx -= dx1;
|
|
s->mouse_dy -= dy1;
|
|
s->mouse_dz -= dz1;
|
|
}
|
|
|
|
static void ps2_mouse_event(DeviceState *dev, QemuConsole *src,
|
|
InputEvent *evt)
|
|
{
|
|
static const int bmap[INPUT_BUTTON__MAX] = {
|
|
[INPUT_BUTTON_LEFT] = PS2_MOUSE_BUTTON_LEFT,
|
|
[INPUT_BUTTON_MIDDLE] = PS2_MOUSE_BUTTON_MIDDLE,
|
|
[INPUT_BUTTON_RIGHT] = PS2_MOUSE_BUTTON_RIGHT,
|
|
[INPUT_BUTTON_SIDE] = PS2_MOUSE_BUTTON_SIDE,
|
|
[INPUT_BUTTON_EXTRA] = PS2_MOUSE_BUTTON_EXTRA,
|
|
};
|
|
PS2MouseState *s = (PS2MouseState *)dev;
|
|
InputMoveEvent *move;
|
|
InputBtnEvent *btn;
|
|
|
|
/* check if deltas are recorded when disabled */
|
|
if (!(s->mouse_status & MOUSE_STATUS_ENABLED))
|
|
return;
|
|
|
|
switch (evt->type) {
|
|
case INPUT_EVENT_KIND_REL:
|
|
move = evt->u.rel.data;
|
|
if (move->axis == INPUT_AXIS_X) {
|
|
s->mouse_dx += move->value;
|
|
} else if (move->axis == INPUT_AXIS_Y) {
|
|
s->mouse_dy -= move->value;
|
|
}
|
|
break;
|
|
|
|
case INPUT_EVENT_KIND_BTN:
|
|
btn = evt->u.btn.data;
|
|
if (btn->down) {
|
|
s->mouse_buttons |= bmap[btn->button];
|
|
if (btn->button == INPUT_BUTTON_WHEEL_UP) {
|
|
s->mouse_dz--;
|
|
} else if (btn->button == INPUT_BUTTON_WHEEL_DOWN) {
|
|
s->mouse_dz++;
|
|
}
|
|
} else {
|
|
s->mouse_buttons &= ~bmap[btn->button];
|
|
}
|
|
break;
|
|
|
|
default:
|
|
/* keep gcc happy */
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void ps2_mouse_sync(DeviceState *dev)
|
|
{
|
|
PS2MouseState *s = (PS2MouseState *)dev;
|
|
|
|
if (s->mouse_buttons) {
|
|
qemu_system_wakeup_request(QEMU_WAKEUP_REASON_OTHER);
|
|
}
|
|
if (!(s->mouse_status & MOUSE_STATUS_REMOTE)) {
|
|
while (s->common.queue.count < PS2_QUEUE_SIZE - 4) {
|
|
/* if not remote, send event. Multiple events are sent if
|
|
too big deltas */
|
|
ps2_mouse_send_packet(s);
|
|
if (s->mouse_dx == 0 && s->mouse_dy == 0 && s->mouse_dz == 0)
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void ps2_mouse_fake_event(void *opaque)
|
|
{
|
|
PS2MouseState *s = opaque;
|
|
trace_ps2_mouse_fake_event(opaque);
|
|
s->mouse_dx++;
|
|
ps2_mouse_sync(opaque);
|
|
}
|
|
|
|
void ps2_write_mouse(void *opaque, int val)
|
|
{
|
|
PS2MouseState *s = (PS2MouseState *)opaque;
|
|
|
|
trace_ps2_write_mouse(opaque, val);
|
|
#ifdef DEBUG_MOUSE
|
|
printf("kbd: write mouse 0x%02x\n", val);
|
|
#endif
|
|
switch(s->common.write_cmd) {
|
|
default:
|
|
case -1:
|
|
/* mouse command */
|
|
if (s->mouse_wrap) {
|
|
if (val == AUX_RESET_WRAP) {
|
|
s->mouse_wrap = 0;
|
|
ps2_queue(&s->common, AUX_ACK);
|
|
return;
|
|
} else if (val != AUX_RESET) {
|
|
ps2_queue(&s->common, val);
|
|
return;
|
|
}
|
|
}
|
|
switch(val) {
|
|
case AUX_SET_SCALE11:
|
|
s->mouse_status &= ~MOUSE_STATUS_SCALE21;
|
|
ps2_queue(&s->common, AUX_ACK);
|
|
break;
|
|
case AUX_SET_SCALE21:
|
|
s->mouse_status |= MOUSE_STATUS_SCALE21;
|
|
ps2_queue(&s->common, AUX_ACK);
|
|
break;
|
|
case AUX_SET_STREAM:
|
|
s->mouse_status &= ~MOUSE_STATUS_REMOTE;
|
|
ps2_queue(&s->common, AUX_ACK);
|
|
break;
|
|
case AUX_SET_WRAP:
|
|
s->mouse_wrap = 1;
|
|
ps2_queue(&s->common, AUX_ACK);
|
|
break;
|
|
case AUX_SET_REMOTE:
|
|
s->mouse_status |= MOUSE_STATUS_REMOTE;
|
|
ps2_queue(&s->common, AUX_ACK);
|
|
break;
|
|
case AUX_GET_TYPE:
|
|
ps2_queue(&s->common, AUX_ACK);
|
|
ps2_queue(&s->common, s->mouse_type);
|
|
break;
|
|
case AUX_SET_RES:
|
|
case AUX_SET_SAMPLE:
|
|
s->common.write_cmd = val;
|
|
ps2_queue(&s->common, AUX_ACK);
|
|
break;
|
|
case AUX_GET_SCALE:
|
|
ps2_queue(&s->common, AUX_ACK);
|
|
ps2_queue(&s->common, s->mouse_status);
|
|
ps2_queue(&s->common, s->mouse_resolution);
|
|
ps2_queue(&s->common, s->mouse_sample_rate);
|
|
break;
|
|
case AUX_POLL:
|
|
ps2_queue(&s->common, AUX_ACK);
|
|
ps2_mouse_send_packet(s);
|
|
break;
|
|
case AUX_ENABLE_DEV:
|
|
s->mouse_status |= MOUSE_STATUS_ENABLED;
|
|
ps2_queue(&s->common, AUX_ACK);
|
|
break;
|
|
case AUX_DISABLE_DEV:
|
|
s->mouse_status &= ~MOUSE_STATUS_ENABLED;
|
|
ps2_queue(&s->common, AUX_ACK);
|
|
break;
|
|
case AUX_SET_DEFAULT:
|
|
s->mouse_sample_rate = 100;
|
|
s->mouse_resolution = 2;
|
|
s->mouse_status = 0;
|
|
ps2_queue(&s->common, AUX_ACK);
|
|
break;
|
|
case AUX_RESET:
|
|
s->mouse_sample_rate = 100;
|
|
s->mouse_resolution = 2;
|
|
s->mouse_status = 0;
|
|
s->mouse_type = 0;
|
|
ps2_queue(&s->common, AUX_ACK);
|
|
ps2_queue(&s->common, 0xaa);
|
|
ps2_queue(&s->common, s->mouse_type);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
case AUX_SET_SAMPLE:
|
|
s->mouse_sample_rate = val;
|
|
/* detect IMPS/2 or IMEX */
|
|
switch(s->mouse_detect_state) {
|
|
default:
|
|
case 0:
|
|
if (val == 200)
|
|
s->mouse_detect_state = 1;
|
|
break;
|
|
case 1:
|
|
if (val == 100)
|
|
s->mouse_detect_state = 2;
|
|
else if (val == 200)
|
|
s->mouse_detect_state = 3;
|
|
else
|
|
s->mouse_detect_state = 0;
|
|
break;
|
|
case 2:
|
|
if (val == 80)
|
|
s->mouse_type = 3; /* IMPS/2 */
|
|
s->mouse_detect_state = 0;
|
|
break;
|
|
case 3:
|
|
if (val == 80)
|
|
s->mouse_type = 4; /* IMEX */
|
|
s->mouse_detect_state = 0;
|
|
break;
|
|
}
|
|
ps2_queue(&s->common, AUX_ACK);
|
|
s->common.write_cmd = -1;
|
|
break;
|
|
case AUX_SET_RES:
|
|
s->mouse_resolution = val;
|
|
ps2_queue(&s->common, AUX_ACK);
|
|
s->common.write_cmd = -1;
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void ps2_common_reset(PS2State *s)
|
|
{
|
|
s->write_cmd = -1;
|
|
ps2_reset_queue(s);
|
|
s->update_irq(s->update_arg, 0);
|
|
}
|
|
|
|
static void ps2_common_post_load(PS2State *s)
|
|
{
|
|
PS2Queue *q = &s->queue;
|
|
uint8_t i, size;
|
|
uint8_t tmp_data[PS2_QUEUE_SIZE];
|
|
|
|
/* set the useful data buffer queue size, < PS2_QUEUE_SIZE */
|
|
size = (q->count < 0 || q->count > PS2_QUEUE_SIZE) ? 0 : q->count;
|
|
|
|
/* move the queue elements to the start of data array */
|
|
for (i = 0; i < size; i++) {
|
|
if (q->rptr < 0 || q->rptr >= sizeof(q->data)) {
|
|
q->rptr = 0;
|
|
}
|
|
tmp_data[i] = q->data[q->rptr++];
|
|
}
|
|
memcpy(q->data, tmp_data, size);
|
|
|
|
/* reset rptr/wptr/count */
|
|
q->rptr = 0;
|
|
q->wptr = size;
|
|
q->count = size;
|
|
s->update_irq(s->update_arg, q->count != 0);
|
|
}
|
|
|
|
static void ps2_kbd_reset(void *opaque)
|
|
{
|
|
PS2KbdState *s = (PS2KbdState *) opaque;
|
|
|
|
trace_ps2_kbd_reset(opaque);
|
|
ps2_common_reset(&s->common);
|
|
s->scan_enabled = 0;
|
|
s->translate = 0;
|
|
s->scancode_set = 2;
|
|
s->modifiers = 0;
|
|
}
|
|
|
|
static void ps2_mouse_reset(void *opaque)
|
|
{
|
|
PS2MouseState *s = (PS2MouseState *) opaque;
|
|
|
|
trace_ps2_mouse_reset(opaque);
|
|
ps2_common_reset(&s->common);
|
|
s->mouse_status = 0;
|
|
s->mouse_resolution = 0;
|
|
s->mouse_sample_rate = 0;
|
|
s->mouse_wrap = 0;
|
|
s->mouse_type = 0;
|
|
s->mouse_detect_state = 0;
|
|
s->mouse_dx = 0;
|
|
s->mouse_dy = 0;
|
|
s->mouse_dz = 0;
|
|
s->mouse_buttons = 0;
|
|
}
|
|
|
|
static const VMStateDescription vmstate_ps2_common = {
|
|
.name = "PS2 Common State",
|
|
.version_id = 3,
|
|
.minimum_version_id = 2,
|
|
.fields = (VMStateField[]) {
|
|
VMSTATE_INT32(write_cmd, PS2State),
|
|
VMSTATE_INT32(queue.rptr, PS2State),
|
|
VMSTATE_INT32(queue.wptr, PS2State),
|
|
VMSTATE_INT32(queue.count, PS2State),
|
|
VMSTATE_BUFFER(queue.data, PS2State),
|
|
VMSTATE_END_OF_LIST()
|
|
}
|
|
};
|
|
|
|
static bool ps2_keyboard_ledstate_needed(void *opaque)
|
|
{
|
|
PS2KbdState *s = opaque;
|
|
|
|
return s->ledstate != 0; /* 0 is default state */
|
|
}
|
|
|
|
static int ps2_kbd_ledstate_post_load(void *opaque, int version_id)
|
|
{
|
|
PS2KbdState *s = opaque;
|
|
|
|
kbd_put_ledstate(s->ledstate);
|
|
return 0;
|
|
}
|
|
|
|
static const VMStateDescription vmstate_ps2_keyboard_ledstate = {
|
|
.name = "ps2kbd/ledstate",
|
|
.version_id = 3,
|
|
.minimum_version_id = 2,
|
|
.post_load = ps2_kbd_ledstate_post_load,
|
|
.needed = ps2_keyboard_ledstate_needed,
|
|
.fields = (VMStateField[]) {
|
|
VMSTATE_INT32(ledstate, PS2KbdState),
|
|
VMSTATE_END_OF_LIST()
|
|
}
|
|
};
|
|
|
|
static bool ps2_keyboard_need_high_bit_needed(void *opaque)
|
|
{
|
|
PS2KbdState *s = opaque;
|
|
return s->need_high_bit != 0; /* 0 is the usual state */
|
|
}
|
|
|
|
static const VMStateDescription vmstate_ps2_keyboard_need_high_bit = {
|
|
.name = "ps2kbd/need_high_bit",
|
|
.version_id = 1,
|
|
.minimum_version_id = 1,
|
|
.needed = ps2_keyboard_need_high_bit_needed,
|
|
.fields = (VMStateField[]) {
|
|
VMSTATE_BOOL(need_high_bit, PS2KbdState),
|
|
VMSTATE_END_OF_LIST()
|
|
}
|
|
};
|
|
|
|
static int ps2_kbd_post_load(void* opaque, int version_id)
|
|
{
|
|
PS2KbdState *s = (PS2KbdState*)opaque;
|
|
PS2State *ps2 = &s->common;
|
|
|
|
if (version_id == 2)
|
|
s->scancode_set=2;
|
|
|
|
ps2_common_post_load(ps2);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ps2_kbd_pre_save(void *opaque)
|
|
{
|
|
PS2KbdState *s = (PS2KbdState *)opaque;
|
|
PS2State *ps2 = &s->common;
|
|
|
|
ps2_common_post_load(ps2);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const VMStateDescription vmstate_ps2_keyboard = {
|
|
.name = "ps2kbd",
|
|
.version_id = 3,
|
|
.minimum_version_id = 2,
|
|
.post_load = ps2_kbd_post_load,
|
|
.pre_save = ps2_kbd_pre_save,
|
|
.fields = (VMStateField[]) {
|
|
VMSTATE_STRUCT(common, PS2KbdState, 0, vmstate_ps2_common, PS2State),
|
|
VMSTATE_INT32(scan_enabled, PS2KbdState),
|
|
VMSTATE_INT32(translate, PS2KbdState),
|
|
VMSTATE_INT32_V(scancode_set, PS2KbdState,3),
|
|
VMSTATE_END_OF_LIST()
|
|
},
|
|
.subsections = (const VMStateDescription*[]) {
|
|
&vmstate_ps2_keyboard_ledstate,
|
|
&vmstate_ps2_keyboard_need_high_bit,
|
|
NULL
|
|
}
|
|
};
|
|
|
|
static int ps2_mouse_post_load(void *opaque, int version_id)
|
|
{
|
|
PS2MouseState *s = (PS2MouseState *)opaque;
|
|
PS2State *ps2 = &s->common;
|
|
|
|
ps2_common_post_load(ps2);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ps2_mouse_pre_save(void *opaque)
|
|
{
|
|
PS2MouseState *s = (PS2MouseState *)opaque;
|
|
PS2State *ps2 = &s->common;
|
|
|
|
ps2_common_post_load(ps2);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const VMStateDescription vmstate_ps2_mouse = {
|
|
.name = "ps2mouse",
|
|
.version_id = 2,
|
|
.minimum_version_id = 2,
|
|
.post_load = ps2_mouse_post_load,
|
|
.pre_save = ps2_mouse_pre_save,
|
|
.fields = (VMStateField[]) {
|
|
VMSTATE_STRUCT(common, PS2MouseState, 0, vmstate_ps2_common, PS2State),
|
|
VMSTATE_UINT8(mouse_status, PS2MouseState),
|
|
VMSTATE_UINT8(mouse_resolution, PS2MouseState),
|
|
VMSTATE_UINT8(mouse_sample_rate, PS2MouseState),
|
|
VMSTATE_UINT8(mouse_wrap, PS2MouseState),
|
|
VMSTATE_UINT8(mouse_type, PS2MouseState),
|
|
VMSTATE_UINT8(mouse_detect_state, PS2MouseState),
|
|
VMSTATE_INT32(mouse_dx, PS2MouseState),
|
|
VMSTATE_INT32(mouse_dy, PS2MouseState),
|
|
VMSTATE_INT32(mouse_dz, PS2MouseState),
|
|
VMSTATE_UINT8(mouse_buttons, PS2MouseState),
|
|
VMSTATE_END_OF_LIST()
|
|
}
|
|
};
|
|
|
|
static QemuInputHandler ps2_keyboard_handler = {
|
|
.name = "QEMU PS/2 Keyboard",
|
|
.mask = INPUT_EVENT_MASK_KEY,
|
|
.event = ps2_keyboard_event,
|
|
};
|
|
|
|
void *ps2_kbd_init(void (*update_irq)(void *, int), void *update_arg)
|
|
{
|
|
PS2KbdState *s = (PS2KbdState *)g_malloc0(sizeof(PS2KbdState));
|
|
|
|
trace_ps2_kbd_init(s);
|
|
s->common.update_irq = update_irq;
|
|
s->common.update_arg = update_arg;
|
|
s->scancode_set = 2;
|
|
vmstate_register(NULL, 0, &vmstate_ps2_keyboard, s);
|
|
qemu_input_handler_register((DeviceState *)s,
|
|
&ps2_keyboard_handler);
|
|
qemu_register_reset(ps2_kbd_reset, s);
|
|
return s;
|
|
}
|
|
|
|
static QemuInputHandler ps2_mouse_handler = {
|
|
.name = "QEMU PS/2 Mouse",
|
|
.mask = INPUT_EVENT_MASK_BTN | INPUT_EVENT_MASK_REL,
|
|
.event = ps2_mouse_event,
|
|
.sync = ps2_mouse_sync,
|
|
};
|
|
|
|
void *ps2_mouse_init(void (*update_irq)(void *, int), void *update_arg)
|
|
{
|
|
PS2MouseState *s = (PS2MouseState *)g_malloc0(sizeof(PS2MouseState));
|
|
|
|
trace_ps2_mouse_init(s);
|
|
s->common.update_irq = update_irq;
|
|
s->common.update_arg = update_arg;
|
|
vmstate_register(NULL, 0, &vmstate_ps2_mouse, s);
|
|
qemu_input_handler_register((DeviceState *)s,
|
|
&ps2_mouse_handler);
|
|
qemu_register_reset(ps2_mouse_reset, s);
|
|
return s;
|
|
}
|