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/*
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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 "hw.h" |
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#include "ps2.h" |
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#include "console.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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|
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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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|
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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 256 |
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typedef struct { |
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uint8_t data[PS2_QUEUE_SIZE]; |
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int rptr, wptr, count;
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} PS2Queue; |
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typedef struct { |
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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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} PS2State; |
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typedef struct { |
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PS2State common; |
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int scan_enabled;
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/* Qemu uses translated PC scancodes internally. To avoid multiple
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conversions we do the translation (if any) in the PS/2 emulation
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not the keyboard controller. */
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int translate;
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int scancode_set; /* 1=XT, 2=AT, 3=PS/2 */ |
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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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/* Table to convert from PC scancodes to raw scancodes. */
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static const unsigned char ps2_raw_keycode[128] = { |
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0,118, 22, 30, 38, 37, 46, 54, 61, 62, 70, 69, 78, 85,102, 13, |
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21, 29, 36, 45, 44, 53, 60, 67, 68, 77, 84, 91, 90, 20, 28, 27, |
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35, 43, 52, 51, 59, 66, 75, 76, 82, 14, 18, 93, 26, 34, 33, 42, |
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50, 49, 58, 65, 73, 74, 89,124, 17, 41, 88, 5, 6, 4, 12, 3, |
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11, 2, 10, 1, 9,119,126,108,117,125,123,107,115,116,121,105, |
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114,122,112,113,127, 96, 97,120, 7, 15, 23, 31, 39, 47, 55, 63, |
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71, 79, 86, 94, 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 87,111, |
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19, 25, 57, 81, 83, 92, 95, 98, 99,100,101,103,104,106,109,110 |
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}; |
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void ps2_queue(void *opaque, int b) |
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{ |
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PS2State *s = (PS2State *)opaque; |
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PS2Queue *q = &s->queue; |
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if (q->count >= PS2_QUEUE_SIZE)
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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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/*
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keycode is expressed as follow:
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bit 7 - 0 key pressed, 1 = key released
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bits 6-0 - translated scancode set 2
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*/
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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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/* XXX: add support for scancode sets 1 and 3 */
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if (!s->translate && keycode < 0xe0 && s->scancode_set == 2) |
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{ |
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if (keycode & 0x80) |
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ps2_queue(&s->common, 0xf0);
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keycode = ps2_raw_keycode[keycode & 0x7f];
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} |
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ps2_queue(&s->common, keycode); |
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} |
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uint32_t ps2_read_data(void *opaque)
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{ |
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PS2State *s = (PS2State *)opaque; |
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PS2Queue *q; |
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int val, index;
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q = &s->queue; |
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if (q->count == 0) { |
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/* NOTE: if no data left, we return the last keyboard one
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(needed for EMM386) */
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/* XXX: need a timer to do things correctly */
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index = q->rptr - 1;
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if (index < 0) |
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index = PS2_QUEUE_SIZE - 1;
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val = q->data[index]; |
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} else {
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val = q->data[q->rptr]; |
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if (++q->rptr == PS2_QUEUE_SIZE)
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q->rptr = 0;
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q->count--; |
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/* reading deasserts IRQ */
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s->update_irq(s->update_arg, 0);
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/* reassert IRQs if data left */
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s->update_irq(s->update_arg, q->count != 0);
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} |
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return val;
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} |
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static void ps2_reset_keyboard(PS2KbdState *s) |
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{ |
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s->scan_enabled = 1;
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s->scancode_set = 2;
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} |
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void ps2_write_keyboard(void *opaque, int val) |
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{ |
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PS2KbdState *s = (PS2KbdState *)opaque; |
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switch(s->common.write_cmd) {
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default:
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case -1: |
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switch(val) {
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case 0x00: |
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ps2_queue(&s->common, KBD_REPLY_ACK); |
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break;
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case 0x05: |
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ps2_queue(&s->common, KBD_REPLY_RESEND); |
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break;
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case KBD_CMD_GET_ID:
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ps2_queue(&s->common, KBD_REPLY_ACK); |
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/* We emulate a MF2 AT keyboard here */
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ps2_queue(&s->common, KBD_REPLY_ID); |
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if (s->translate)
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ps2_queue(&s->common, 0x41);
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else
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ps2_queue(&s->common, 0x83);
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break;
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case KBD_CMD_ECHO:
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ps2_queue(&s->common, KBD_CMD_ECHO); |
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break;
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case KBD_CMD_ENABLE:
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s->scan_enabled = 1;
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ps2_queue(&s->common, KBD_REPLY_ACK); |
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break;
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case KBD_CMD_SCANCODE:
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case KBD_CMD_SET_LEDS:
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case KBD_CMD_SET_RATE:
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s->common.write_cmd = val; |
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ps2_queue(&s->common, KBD_REPLY_ACK); |
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break;
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case KBD_CMD_RESET_DISABLE:
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ps2_reset_keyboard(s); |
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s->scan_enabled = 0;
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ps2_queue(&s->common, KBD_REPLY_ACK); |
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break;
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case KBD_CMD_RESET_ENABLE:
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ps2_reset_keyboard(s); |
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s->scan_enabled = 1;
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ps2_queue(&s->common, KBD_REPLY_ACK); |
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break;
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case KBD_CMD_RESET:
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ps2_reset_keyboard(s); |
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ps2_queue(&s->common, KBD_REPLY_ACK); |
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ps2_queue(&s->common, KBD_REPLY_POR); |
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break;
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default:
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ps2_queue(&s->common, KBD_REPLY_ACK); |
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break;
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} |
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break;
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case KBD_CMD_SCANCODE:
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if (val == 0) { |
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if (s->scancode_set == 1) |
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ps2_put_keycode(s, 0x43);
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else if (s->scancode_set == 2) |
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ps2_put_keycode(s, 0x41);
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else if (s->scancode_set == 3) |
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ps2_put_keycode(s, 0x3f);
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} else {
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if (val >= 1 && val <= 3) |
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s->scancode_set = val; |
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ps2_queue(&s->common, KBD_REPLY_ACK); |
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} |
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s->common.write_cmd = -1;
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break;
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case KBD_CMD_SET_LEDS:
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ps2_queue(&s->common, KBD_REPLY_ACK); |
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s->common.write_cmd = -1;
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break;
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case KBD_CMD_SET_RATE:
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ps2_queue(&s->common, KBD_REPLY_ACK); |
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s->common.write_cmd = -1;
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break;
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} |
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} |
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|
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/* Set the scancode translation mode.
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0 = raw scancodes.
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1 = translated scancodes (used by qemu internally). */
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|
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void ps2_keyboard_set_translation(void *opaque, int mode) |
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{ |
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PS2KbdState *s = (PS2KbdState *)opaque; |
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s->translate = mode; |
280 |
} |
281 |
|
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static void ps2_mouse_send_packet(PS2MouseState *s) |
283 |
{ |
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unsigned int b; |
285 |
int dx1, dy1, dz1;
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|
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dx1 = s->mouse_dx; |
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dy1 = s->mouse_dy; |
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dz1 = s->mouse_dz; |
290 |
/* XXX: increase range to 8 bits ? */
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if (dx1 > 127) |
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dx1 = 127;
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else if (dx1 < -127) |
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dx1 = -127;
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if (dy1 > 127) |
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dy1 = 127;
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else if (dy1 < -127) |
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dy1 = -127;
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b = 0x08 | ((dx1 < 0) << 4) | ((dy1 < 0) << 5) | (s->mouse_buttons & 0x07); |
300 |
ps2_queue(&s->common, b); |
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ps2_queue(&s->common, dx1 & 0xff);
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ps2_queue(&s->common, dy1 & 0xff);
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/* extra byte for IMPS/2 or IMEX */
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switch(s->mouse_type) {
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default:
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break;
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case 3: |
308 |
if (dz1 > 127) |
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dz1 = 127;
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else if (dz1 < -127) |
311 |
dz1 = -127;
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ps2_queue(&s->common, dz1 & 0xff);
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break;
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case 4: |
315 |
if (dz1 > 7) |
316 |
dz1 = 7;
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else if (dz1 < -7) |
318 |
dz1 = -7;
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b = (dz1 & 0x0f) | ((s->mouse_buttons & 0x18) << 1); |
320 |
ps2_queue(&s->common, b); |
321 |
break;
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} |
323 |
|
324 |
/* update deltas */
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s->mouse_dx -= dx1; |
326 |
s->mouse_dy -= dy1; |
327 |
s->mouse_dz -= dz1; |
328 |
} |
329 |
|
330 |
static void ps2_mouse_event(void *opaque, |
331 |
int dx, int dy, int dz, int buttons_state) |
332 |
{ |
333 |
PS2MouseState *s = opaque; |
334 |
|
335 |
/* check if deltas are recorded when disabled */
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336 |
if (!(s->mouse_status & MOUSE_STATUS_ENABLED))
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337 |
return;
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338 |
|
339 |
s->mouse_dx += dx; |
340 |
s->mouse_dy -= dy; |
341 |
s->mouse_dz += dz; |
342 |
/* XXX: SDL sometimes generates nul events: we delete them */
|
343 |
if (s->mouse_dx == 0 && s->mouse_dy == 0 && s->mouse_dz == 0 && |
344 |
s->mouse_buttons == buttons_state) |
345 |
return;
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s->mouse_buttons = buttons_state; |
347 |
|
348 |
if (!(s->mouse_status & MOUSE_STATUS_REMOTE) &&
|
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(s->common.queue.count < (PS2_QUEUE_SIZE - 16))) {
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350 |
for(;;) {
|
351 |
/* if not remote, send event. Multiple events are sent if
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352 |
too big deltas */
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353 |
ps2_mouse_send_packet(s); |
354 |
if (s->mouse_dx == 0 && s->mouse_dy == 0 && s->mouse_dz == 0) |
355 |
break;
|
356 |
} |
357 |
} |
358 |
} |
359 |
|
360 |
void ps2_mouse_fake_event(void *opaque) |
361 |
{ |
362 |
ps2_mouse_event(opaque, 1, 0, 0, 0); |
363 |
} |
364 |
|
365 |
void ps2_write_mouse(void *opaque, int val) |
366 |
{ |
367 |
PS2MouseState *s = (PS2MouseState *)opaque; |
368 |
#ifdef DEBUG_MOUSE
|
369 |
printf("kbd: write mouse 0x%02x\n", val);
|
370 |
#endif
|
371 |
switch(s->common.write_cmd) {
|
372 |
default:
|
373 |
case -1: |
374 |
/* mouse command */
|
375 |
if (s->mouse_wrap) {
|
376 |
if (val == AUX_RESET_WRAP) {
|
377 |
s->mouse_wrap = 0;
|
378 |
ps2_queue(&s->common, AUX_ACK); |
379 |
return;
|
380 |
} else if (val != AUX_RESET) { |
381 |
ps2_queue(&s->common, val); |
382 |
return;
|
383 |
} |
384 |
} |
385 |
switch(val) {
|
386 |
case AUX_SET_SCALE11:
|
387 |
s->mouse_status &= ~MOUSE_STATUS_SCALE21; |
388 |
ps2_queue(&s->common, AUX_ACK); |
389 |
break;
|
390 |
case AUX_SET_SCALE21:
|
391 |
s->mouse_status |= MOUSE_STATUS_SCALE21; |
392 |
ps2_queue(&s->common, AUX_ACK); |
393 |
break;
|
394 |
case AUX_SET_STREAM:
|
395 |
s->mouse_status &= ~MOUSE_STATUS_REMOTE; |
396 |
ps2_queue(&s->common, AUX_ACK); |
397 |
break;
|
398 |
case AUX_SET_WRAP:
|
399 |
s->mouse_wrap = 1;
|
400 |
ps2_queue(&s->common, AUX_ACK); |
401 |
break;
|
402 |
case AUX_SET_REMOTE:
|
403 |
s->mouse_status |= MOUSE_STATUS_REMOTE; |
404 |
ps2_queue(&s->common, AUX_ACK); |
405 |
break;
|
406 |
case AUX_GET_TYPE:
|
407 |
ps2_queue(&s->common, AUX_ACK); |
408 |
ps2_queue(&s->common, s->mouse_type); |
409 |
break;
|
410 |
case AUX_SET_RES:
|
411 |
case AUX_SET_SAMPLE:
|
412 |
s->common.write_cmd = val; |
413 |
ps2_queue(&s->common, AUX_ACK); |
414 |
break;
|
415 |
case AUX_GET_SCALE:
|
416 |
ps2_queue(&s->common, AUX_ACK); |
417 |
ps2_queue(&s->common, s->mouse_status); |
418 |
ps2_queue(&s->common, s->mouse_resolution); |
419 |
ps2_queue(&s->common, s->mouse_sample_rate); |
420 |
break;
|
421 |
case AUX_POLL:
|
422 |
ps2_queue(&s->common, AUX_ACK); |
423 |
ps2_mouse_send_packet(s); |
424 |
break;
|
425 |
case AUX_ENABLE_DEV:
|
426 |
s->mouse_status |= MOUSE_STATUS_ENABLED; |
427 |
ps2_queue(&s->common, AUX_ACK); |
428 |
break;
|
429 |
case AUX_DISABLE_DEV:
|
430 |
s->mouse_status &= ~MOUSE_STATUS_ENABLED; |
431 |
ps2_queue(&s->common, AUX_ACK); |
432 |
break;
|
433 |
case AUX_SET_DEFAULT:
|
434 |
s->mouse_sample_rate = 100;
|
435 |
s->mouse_resolution = 2;
|
436 |
s->mouse_status = 0;
|
437 |
ps2_queue(&s->common, AUX_ACK); |
438 |
break;
|
439 |
case AUX_RESET:
|
440 |
s->mouse_sample_rate = 100;
|
441 |
s->mouse_resolution = 2;
|
442 |
s->mouse_status = 0;
|
443 |
s->mouse_type = 0;
|
444 |
ps2_queue(&s->common, AUX_ACK); |
445 |
ps2_queue(&s->common, 0xaa);
|
446 |
ps2_queue(&s->common, s->mouse_type); |
447 |
break;
|
448 |
default:
|
449 |
break;
|
450 |
} |
451 |
break;
|
452 |
case AUX_SET_SAMPLE:
|
453 |
s->mouse_sample_rate = val; |
454 |
/* detect IMPS/2 or IMEX */
|
455 |
switch(s->mouse_detect_state) {
|
456 |
default:
|
457 |
case 0: |
458 |
if (val == 200) |
459 |
s->mouse_detect_state = 1;
|
460 |
break;
|
461 |
case 1: |
462 |
if (val == 100) |
463 |
s->mouse_detect_state = 2;
|
464 |
else if (val == 200) |
465 |
s->mouse_detect_state = 3;
|
466 |
else
|
467 |
s->mouse_detect_state = 0;
|
468 |
break;
|
469 |
case 2: |
470 |
if (val == 80) |
471 |
s->mouse_type = 3; /* IMPS/2 */ |
472 |
s->mouse_detect_state = 0;
|
473 |
break;
|
474 |
case 3: |
475 |
if (val == 80) |
476 |
s->mouse_type = 4; /* IMEX */ |
477 |
s->mouse_detect_state = 0;
|
478 |
break;
|
479 |
} |
480 |
ps2_queue(&s->common, AUX_ACK); |
481 |
s->common.write_cmd = -1;
|
482 |
break;
|
483 |
case AUX_SET_RES:
|
484 |
s->mouse_resolution = val; |
485 |
ps2_queue(&s->common, AUX_ACK); |
486 |
s->common.write_cmd = -1;
|
487 |
break;
|
488 |
} |
489 |
} |
490 |
|
491 |
static void ps2_common_reset(PS2State *s) |
492 |
{ |
493 |
PS2Queue *q; |
494 |
s->write_cmd = -1;
|
495 |
q = &s->queue; |
496 |
q->rptr = 0;
|
497 |
q->wptr = 0;
|
498 |
q->count = 0;
|
499 |
s->update_irq(s->update_arg, 0);
|
500 |
} |
501 |
|
502 |
static void ps2_kbd_reset(void *opaque) |
503 |
{ |
504 |
PS2KbdState *s = (PS2KbdState *) opaque; |
505 |
|
506 |
ps2_common_reset(&s->common); |
507 |
s->scan_enabled = 0;
|
508 |
s->translate = 0;
|
509 |
s->scancode_set = 0;
|
510 |
} |
511 |
|
512 |
static void ps2_mouse_reset(void *opaque) |
513 |
{ |
514 |
PS2MouseState *s = (PS2MouseState *) opaque; |
515 |
|
516 |
ps2_common_reset(&s->common); |
517 |
s->mouse_status = 0;
|
518 |
s->mouse_resolution = 0;
|
519 |
s->mouse_sample_rate = 0;
|
520 |
s->mouse_wrap = 0;
|
521 |
s->mouse_type = 0;
|
522 |
s->mouse_detect_state = 0;
|
523 |
s->mouse_dx = 0;
|
524 |
s->mouse_dy = 0;
|
525 |
s->mouse_dz = 0;
|
526 |
s->mouse_buttons = 0;
|
527 |
} |
528 |
|
529 |
static const VMStateDescription vmstate_ps2_common = { |
530 |
.name = "PS2 Common State",
|
531 |
.version_id = 3,
|
532 |
.minimum_version_id = 2,
|
533 |
.minimum_version_id_old = 2,
|
534 |
.fields = (VMStateField []) { |
535 |
VMSTATE_INT32(write_cmd, PS2State), |
536 |
VMSTATE_INT32(queue.rptr, PS2State), |
537 |
VMSTATE_INT32(queue.wptr, PS2State), |
538 |
VMSTATE_INT32(queue.count, PS2State), |
539 |
VMSTATE_BUFFER(queue.data, PS2State), |
540 |
VMSTATE_END_OF_LIST() |
541 |
} |
542 |
}; |
543 |
|
544 |
static int ps2_kbd_load_old(QEMUFile* f, void* opaque, int version_id) |
545 |
{ |
546 |
PS2KbdState *s = (PS2KbdState*)opaque; |
547 |
|
548 |
if (version_id != 2 && version_id != 3) |
549 |
return -EINVAL;
|
550 |
|
551 |
vmstate_load_state(f, &vmstate_ps2_common, &s->common, version_id); |
552 |
s->scan_enabled=qemu_get_be32(f); |
553 |
s->translate=qemu_get_be32(f); |
554 |
if (version_id == 3) |
555 |
s->scancode_set=qemu_get_be32(f); |
556 |
else
|
557 |
s->scancode_set=2;
|
558 |
return 0; |
559 |
} |
560 |
|
561 |
static const VMStateDescription vmstate_ps2_keyboard = { |
562 |
.name = "ps2kbd",
|
563 |
.version_id = 3,
|
564 |
.minimum_version_id = 3,
|
565 |
.minimum_version_id_old = 2,
|
566 |
.load_state_old = ps2_kbd_load_old, |
567 |
.fields = (VMStateField []) { |
568 |
VMSTATE_STRUCT(common, PS2KbdState, 0, vmstate_ps2_common, PS2State),
|
569 |
VMSTATE_INT32(scan_enabled, PS2KbdState), |
570 |
VMSTATE_INT32(translate, PS2KbdState), |
571 |
VMSTATE_INT32_V(scancode_set, PS2KbdState,3),
|
572 |
VMSTATE_END_OF_LIST() |
573 |
} |
574 |
}; |
575 |
|
576 |
static const VMStateDescription vmstate_ps2_mouse = { |
577 |
.name = "ps2mouse",
|
578 |
.version_id = 2,
|
579 |
.minimum_version_id = 2,
|
580 |
.minimum_version_id_old = 2,
|
581 |
.fields = (VMStateField []) { |
582 |
VMSTATE_STRUCT(common, PS2MouseState, 0, vmstate_ps2_common, PS2State),
|
583 |
VMSTATE_UINT8(mouse_status, PS2MouseState), |
584 |
VMSTATE_UINT8(mouse_resolution, PS2MouseState), |
585 |
VMSTATE_UINT8(mouse_sample_rate, PS2MouseState), |
586 |
VMSTATE_UINT8(mouse_wrap, PS2MouseState), |
587 |
VMSTATE_UINT8(mouse_type, PS2MouseState), |
588 |
VMSTATE_UINT8(mouse_detect_state, PS2MouseState), |
589 |
VMSTATE_INT32(mouse_dx, PS2MouseState), |
590 |
VMSTATE_INT32(mouse_dy, PS2MouseState), |
591 |
VMSTATE_INT32(mouse_dz, PS2MouseState), |
592 |
VMSTATE_UINT8(mouse_buttons, PS2MouseState), |
593 |
VMSTATE_END_OF_LIST() |
594 |
} |
595 |
}; |
596 |
|
597 |
void *ps2_kbd_init(void (*update_irq)(void *, int), void *update_arg) |
598 |
{ |
599 |
PS2KbdState *s = (PS2KbdState *)qemu_mallocz(sizeof(PS2KbdState));
|
600 |
|
601 |
s->common.update_irq = update_irq; |
602 |
s->common.update_arg = update_arg; |
603 |
s->scancode_set = 2;
|
604 |
ps2_kbd_reset(s); |
605 |
vmstate_register(0, &vmstate_ps2_keyboard, s);
|
606 |
qemu_add_kbd_event_handler(ps2_put_keycode, s); |
607 |
qemu_register_reset(ps2_kbd_reset, s); |
608 |
return s;
|
609 |
} |
610 |
|
611 |
void *ps2_mouse_init(void (*update_irq)(void *, int), void *update_arg) |
612 |
{ |
613 |
PS2MouseState *s = (PS2MouseState *)qemu_mallocz(sizeof(PS2MouseState));
|
614 |
|
615 |
s->common.update_irq = update_irq; |
616 |
s->common.update_arg = update_arg; |
617 |
ps2_mouse_reset(s); |
618 |
vmstate_register(0, &vmstate_ps2_mouse, s);
|
619 |
qemu_add_mouse_event_handler(ps2_mouse_event, s, 0, "QEMU PS/2 Mouse"); |
620 |
qemu_register_reset(ps2_mouse_reset, s); |
621 |
return s;
|
622 |
} |