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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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|
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/* debug PC keyboard */
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//#define DEBUG_KBD
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|
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/* debug PC keyboard : only mouse */
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//#define DEBUG_MOUSE
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|
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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 */ |
| 38 |
#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 */ |
| 42 |
#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 */ |
| 47 |
#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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|
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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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|
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#define PS2_QUEUE_SIZE 256 |
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|
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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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|
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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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|
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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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int ledstate;
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} PS2KbdState; |
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|
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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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|
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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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static const unsigned char ps2_raw_keycode_set3[128] = { |
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0, 8, 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, 17, 28, 27, |
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35, 43, 52, 51, 59, 66, 75, 76, 82, 14, 18, 92, 26, 34, 33, 42, |
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50, 49, 58, 65, 73, 74, 89, 126, 25, 41, 20, 7, 15, 23, 31, 39, |
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47, 2, 63, 71, 79, 118, 95, 108, 117, 125, 132, 107, 115, 116, 124, 105, |
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114, 122, 112, 113, 127, 96, 97, 86, 94, 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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|
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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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/*
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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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|
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/* XXX: add support for scancode set 1 */
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if (!s->translate && keycode < 0xe0 && s->scancode_set > 1) { |
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if (keycode & 0x80) { |
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ps2_queue(&s->common, 0xf0);
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} |
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if (s->scancode_set == 2) { |
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keycode = ps2_raw_keycode[keycode & 0x7f];
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} else if (s->scancode_set == 3) { |
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keycode = ps2_raw_keycode_set3[keycode & 0x7f];
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} |
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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_set_ledstate(PS2KbdState *s, int ledstate) |
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{
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s->ledstate = ledstate; |
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kbd_put_ledstate(ledstate); |
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} |
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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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ps2_set_ledstate(s, 0);
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} |
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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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|
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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_set_ledstate(s, val); |
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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; |
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} |
| 304 |
|
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static void ps2_mouse_send_packet(PS2MouseState *s) |
| 306 |
{
|
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unsigned int b; |
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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; |
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/* 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;
|
| 318 |
if (dy1 > 127) |
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dy1 = 127;
|
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else if (dy1 < -127) |
| 321 |
dy1 = -127;
|
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b = 0x08 | ((dx1 < 0) << 4) | ((dy1 < 0) << 5) | (s->mouse_buttons & 0x07); |
| 323 |
ps2_queue(&s->common, b); |
| 324 |
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;
|
| 330 |
case 3: |
| 331 |
if (dz1 > 127) |
| 332 |
dz1 = 127;
|
| 333 |
else if (dz1 < -127) |
| 334 |
dz1 = -127;
|
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ps2_queue(&s->common, dz1 & 0xff);
|
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break;
|
| 337 |
case 4: |
| 338 |
if (dz1 > 7) |
| 339 |
dz1 = 7;
|
| 340 |
else if (dz1 < -7) |
| 341 |
dz1 = -7;
|
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b = (dz1 & 0x0f) | ((s->mouse_buttons & 0x18) << 1); |
| 343 |
ps2_queue(&s->common, b); |
| 344 |
break;
|
| 345 |
} |
| 346 |
|
| 347 |
/* update deltas */
|
| 348 |
s->mouse_dx -= dx1; |
| 349 |
s->mouse_dy -= dy1; |
| 350 |
s->mouse_dz -= dz1; |
| 351 |
} |
| 352 |
|
| 353 |
static void ps2_mouse_event(void *opaque, |
| 354 |
int dx, int dy, int dz, int buttons_state) |
| 355 |
{
|
| 356 |
PS2MouseState *s = opaque; |
| 357 |
|
| 358 |
/* check if deltas are recorded when disabled */
|
| 359 |
if (!(s->mouse_status & MOUSE_STATUS_ENABLED))
|
| 360 |
return;
|
| 361 |
|
| 362 |
s->mouse_dx += dx; |
| 363 |
s->mouse_dy -= dy; |
| 364 |
s->mouse_dz += dz; |
| 365 |
/* XXX: SDL sometimes generates nul events: we delete them */
|
| 366 |
if (s->mouse_dx == 0 && s->mouse_dy == 0 && s->mouse_dz == 0 && |
| 367 |
s->mouse_buttons == buttons_state) |
| 368 |
return;
|
| 369 |
s->mouse_buttons = buttons_state; |
| 370 |
|
| 371 |
if (!(s->mouse_status & MOUSE_STATUS_REMOTE) &&
|
| 372 |
(s->common.queue.count < (PS2_QUEUE_SIZE - 16))) {
|
| 373 |
for(;;) {
|
| 374 |
/* if not remote, send event. Multiple events are sent if
|
| 375 |
too big deltas */
|
| 376 |
ps2_mouse_send_packet(s); |
| 377 |
if (s->mouse_dx == 0 && s->mouse_dy == 0 && s->mouse_dz == 0) |
| 378 |
break;
|
| 379 |
} |
| 380 |
} |
| 381 |
} |
| 382 |
|
| 383 |
void ps2_mouse_fake_event(void *opaque) |
| 384 |
{
|
| 385 |
ps2_mouse_event(opaque, 1, 0, 0, 0); |
| 386 |
} |
| 387 |
|
| 388 |
void ps2_write_mouse(void *opaque, int val) |
| 389 |
{
|
| 390 |
PS2MouseState *s = (PS2MouseState *)opaque; |
| 391 |
#ifdef DEBUG_MOUSE
|
| 392 |
printf("kbd: write mouse 0x%02x\n", val);
|
| 393 |
#endif
|
| 394 |
switch(s->common.write_cmd) {
|
| 395 |
default:
|
| 396 |
case -1: |
| 397 |
/* mouse command */
|
| 398 |
if (s->mouse_wrap) {
|
| 399 |
if (val == AUX_RESET_WRAP) {
|
| 400 |
s->mouse_wrap = 0;
|
| 401 |
ps2_queue(&s->common, AUX_ACK); |
| 402 |
return;
|
| 403 |
} else if (val != AUX_RESET) { |
| 404 |
ps2_queue(&s->common, val); |
| 405 |
return;
|
| 406 |
} |
| 407 |
} |
| 408 |
switch(val) {
|
| 409 |
case AUX_SET_SCALE11:
|
| 410 |
s->mouse_status &= ~MOUSE_STATUS_SCALE21; |
| 411 |
ps2_queue(&s->common, AUX_ACK); |
| 412 |
break;
|
| 413 |
case AUX_SET_SCALE21:
|
| 414 |
s->mouse_status |= MOUSE_STATUS_SCALE21; |
| 415 |
ps2_queue(&s->common, AUX_ACK); |
| 416 |
break;
|
| 417 |
case AUX_SET_STREAM:
|
| 418 |
s->mouse_status &= ~MOUSE_STATUS_REMOTE; |
| 419 |
ps2_queue(&s->common, AUX_ACK); |
| 420 |
break;
|
| 421 |
case AUX_SET_WRAP:
|
| 422 |
s->mouse_wrap = 1;
|
| 423 |
ps2_queue(&s->common, AUX_ACK); |
| 424 |
break;
|
| 425 |
case AUX_SET_REMOTE:
|
| 426 |
s->mouse_status |= MOUSE_STATUS_REMOTE; |
| 427 |
ps2_queue(&s->common, AUX_ACK); |
| 428 |
break;
|
| 429 |
case AUX_GET_TYPE:
|
| 430 |
ps2_queue(&s->common, AUX_ACK); |
| 431 |
ps2_queue(&s->common, s->mouse_type); |
| 432 |
break;
|
| 433 |
case AUX_SET_RES:
|
| 434 |
case AUX_SET_SAMPLE:
|
| 435 |
s->common.write_cmd = val; |
| 436 |
ps2_queue(&s->common, AUX_ACK); |
| 437 |
break;
|
| 438 |
case AUX_GET_SCALE:
|
| 439 |
ps2_queue(&s->common, AUX_ACK); |
| 440 |
ps2_queue(&s->common, s->mouse_status); |
| 441 |
ps2_queue(&s->common, s->mouse_resolution); |
| 442 |
ps2_queue(&s->common, s->mouse_sample_rate); |
| 443 |
break;
|
| 444 |
case AUX_POLL:
|
| 445 |
ps2_queue(&s->common, AUX_ACK); |
| 446 |
ps2_mouse_send_packet(s); |
| 447 |
break;
|
| 448 |
case AUX_ENABLE_DEV:
|
| 449 |
s->mouse_status |= MOUSE_STATUS_ENABLED; |
| 450 |
ps2_queue(&s->common, AUX_ACK); |
| 451 |
break;
|
| 452 |
case AUX_DISABLE_DEV:
|
| 453 |
s->mouse_status &= ~MOUSE_STATUS_ENABLED; |
| 454 |
ps2_queue(&s->common, AUX_ACK); |
| 455 |
break;
|
| 456 |
case AUX_SET_DEFAULT:
|
| 457 |
s->mouse_sample_rate = 100;
|
| 458 |
s->mouse_resolution = 2;
|
| 459 |
s->mouse_status = 0;
|
| 460 |
ps2_queue(&s->common, AUX_ACK); |
| 461 |
break;
|
| 462 |
case AUX_RESET:
|
| 463 |
s->mouse_sample_rate = 100;
|
| 464 |
s->mouse_resolution = 2;
|
| 465 |
s->mouse_status = 0;
|
| 466 |
s->mouse_type = 0;
|
| 467 |
ps2_queue(&s->common, AUX_ACK); |
| 468 |
ps2_queue(&s->common, 0xaa);
|
| 469 |
ps2_queue(&s->common, s->mouse_type); |
| 470 |
break;
|
| 471 |
default:
|
| 472 |
break;
|
| 473 |
} |
| 474 |
break;
|
| 475 |
case AUX_SET_SAMPLE:
|
| 476 |
s->mouse_sample_rate = val; |
| 477 |
/* detect IMPS/2 or IMEX */
|
| 478 |
switch(s->mouse_detect_state) {
|
| 479 |
default:
|
| 480 |
case 0: |
| 481 |
if (val == 200) |
| 482 |
s->mouse_detect_state = 1;
|
| 483 |
break;
|
| 484 |
case 1: |
| 485 |
if (val == 100) |
| 486 |
s->mouse_detect_state = 2;
|
| 487 |
else if (val == 200) |
| 488 |
s->mouse_detect_state = 3;
|
| 489 |
else
|
| 490 |
s->mouse_detect_state = 0;
|
| 491 |
break;
|
| 492 |
case 2: |
| 493 |
if (val == 80) |
| 494 |
s->mouse_type = 3; /* IMPS/2 */ |
| 495 |
s->mouse_detect_state = 0;
|
| 496 |
break;
|
| 497 |
case 3: |
| 498 |
if (val == 80) |
| 499 |
s->mouse_type = 4; /* IMEX */ |
| 500 |
s->mouse_detect_state = 0;
|
| 501 |
break;
|
| 502 |
} |
| 503 |
ps2_queue(&s->common, AUX_ACK); |
| 504 |
s->common.write_cmd = -1;
|
| 505 |
break;
|
| 506 |
case AUX_SET_RES:
|
| 507 |
s->mouse_resolution = val; |
| 508 |
ps2_queue(&s->common, AUX_ACK); |
| 509 |
s->common.write_cmd = -1;
|
| 510 |
break;
|
| 511 |
} |
| 512 |
} |
| 513 |
|
| 514 |
static void ps2_common_reset(PS2State *s) |
| 515 |
{
|
| 516 |
PS2Queue *q; |
| 517 |
s->write_cmd = -1;
|
| 518 |
q = &s->queue; |
| 519 |
q->rptr = 0;
|
| 520 |
q->wptr = 0;
|
| 521 |
q->count = 0;
|
| 522 |
s->update_irq(s->update_arg, 0);
|
| 523 |
} |
| 524 |
|
| 525 |
static void ps2_kbd_reset(void *opaque) |
| 526 |
{
|
| 527 |
PS2KbdState *s = (PS2KbdState *) opaque; |
| 528 |
|
| 529 |
ps2_common_reset(&s->common); |
| 530 |
s->scan_enabled = 0;
|
| 531 |
s->translate = 0;
|
| 532 |
s->scancode_set = 0;
|
| 533 |
} |
| 534 |
|
| 535 |
static void ps2_mouse_reset(void *opaque) |
| 536 |
{
|
| 537 |
PS2MouseState *s = (PS2MouseState *) opaque; |
| 538 |
|
| 539 |
ps2_common_reset(&s->common); |
| 540 |
s->mouse_status = 0;
|
| 541 |
s->mouse_resolution = 0;
|
| 542 |
s->mouse_sample_rate = 0;
|
| 543 |
s->mouse_wrap = 0;
|
| 544 |
s->mouse_type = 0;
|
| 545 |
s->mouse_detect_state = 0;
|
| 546 |
s->mouse_dx = 0;
|
| 547 |
s->mouse_dy = 0;
|
| 548 |
s->mouse_dz = 0;
|
| 549 |
s->mouse_buttons = 0;
|
| 550 |
} |
| 551 |
|
| 552 |
static const VMStateDescription vmstate_ps2_common = { |
| 553 |
.name = "PS2 Common State",
|
| 554 |
.version_id = 3,
|
| 555 |
.minimum_version_id = 2,
|
| 556 |
.minimum_version_id_old = 2,
|
| 557 |
.fields = (VMStateField []) {
|
| 558 |
VMSTATE_INT32(write_cmd, PS2State), |
| 559 |
VMSTATE_INT32(queue.rptr, PS2State), |
| 560 |
VMSTATE_INT32(queue.wptr, PS2State), |
| 561 |
VMSTATE_INT32(queue.count, PS2State), |
| 562 |
VMSTATE_BUFFER(queue.data, PS2State), |
| 563 |
VMSTATE_END_OF_LIST() |
| 564 |
} |
| 565 |
}; |
| 566 |
|
| 567 |
static bool ps2_keyboard_ledstate_needed(void *opaque) |
| 568 |
{
|
| 569 |
PS2KbdState *s = opaque; |
| 570 |
|
| 571 |
return s->ledstate != 0; /* 0 is default state */ |
| 572 |
} |
| 573 |
|
| 574 |
static int ps2_kbd_ledstate_post_load(void *opaque, int version_id) |
| 575 |
{
|
| 576 |
PS2KbdState *s = opaque; |
| 577 |
|
| 578 |
kbd_put_ledstate(s->ledstate); |
| 579 |
return 0; |
| 580 |
} |
| 581 |
|
| 582 |
static const VMStateDescription vmstate_ps2_keyboard_ledstate = { |
| 583 |
.name = "ps2kbd/ledstate",
|
| 584 |
.version_id = 3,
|
| 585 |
.minimum_version_id = 2,
|
| 586 |
.minimum_version_id_old = 2,
|
| 587 |
.post_load = ps2_kbd_ledstate_post_load, |
| 588 |
.fields = (VMStateField []) {
|
| 589 |
VMSTATE_INT32(ledstate, PS2KbdState), |
| 590 |
VMSTATE_END_OF_LIST() |
| 591 |
} |
| 592 |
}; |
| 593 |
|
| 594 |
static int ps2_kbd_post_load(void* opaque, int version_id) |
| 595 |
{
|
| 596 |
PS2KbdState *s = (PS2KbdState*)opaque; |
| 597 |
|
| 598 |
if (version_id == 2) |
| 599 |
s->scancode_set=2;
|
| 600 |
return 0; |
| 601 |
} |
| 602 |
|
| 603 |
static const VMStateDescription vmstate_ps2_keyboard = { |
| 604 |
.name = "ps2kbd",
|
| 605 |
.version_id = 3,
|
| 606 |
.minimum_version_id = 2,
|
| 607 |
.minimum_version_id_old = 2,
|
| 608 |
.post_load = ps2_kbd_post_load, |
| 609 |
.fields = (VMStateField []) {
|
| 610 |
VMSTATE_STRUCT(common, PS2KbdState, 0, vmstate_ps2_common, PS2State),
|
| 611 |
VMSTATE_INT32(scan_enabled, PS2KbdState), |
| 612 |
VMSTATE_INT32(translate, PS2KbdState), |
| 613 |
VMSTATE_INT32_V(scancode_set, PS2KbdState,3),
|
| 614 |
VMSTATE_END_OF_LIST() |
| 615 |
}, |
| 616 |
.subsections = (VMStateSubsection []) {
|
| 617 |
{
|
| 618 |
.vmsd = &vmstate_ps2_keyboard_ledstate, |
| 619 |
.needed = ps2_keyboard_ledstate_needed, |
| 620 |
}, {
|
| 621 |
/* empty */
|
| 622 |
} |
| 623 |
} |
| 624 |
}; |
| 625 |
|
| 626 |
static const VMStateDescription vmstate_ps2_mouse = { |
| 627 |
.name = "ps2mouse",
|
| 628 |
.version_id = 2,
|
| 629 |
.minimum_version_id = 2,
|
| 630 |
.minimum_version_id_old = 2,
|
| 631 |
.fields = (VMStateField []) {
|
| 632 |
VMSTATE_STRUCT(common, PS2MouseState, 0, vmstate_ps2_common, PS2State),
|
| 633 |
VMSTATE_UINT8(mouse_status, PS2MouseState), |
| 634 |
VMSTATE_UINT8(mouse_resolution, PS2MouseState), |
| 635 |
VMSTATE_UINT8(mouse_sample_rate, PS2MouseState), |
| 636 |
VMSTATE_UINT8(mouse_wrap, PS2MouseState), |
| 637 |
VMSTATE_UINT8(mouse_type, PS2MouseState), |
| 638 |
VMSTATE_UINT8(mouse_detect_state, PS2MouseState), |
| 639 |
VMSTATE_INT32(mouse_dx, PS2MouseState), |
| 640 |
VMSTATE_INT32(mouse_dy, PS2MouseState), |
| 641 |
VMSTATE_INT32(mouse_dz, PS2MouseState), |
| 642 |
VMSTATE_UINT8(mouse_buttons, PS2MouseState), |
| 643 |
VMSTATE_END_OF_LIST() |
| 644 |
} |
| 645 |
}; |
| 646 |
|
| 647 |
void *ps2_kbd_init(void (*update_irq)(void *, int), void *update_arg) |
| 648 |
{
|
| 649 |
PS2KbdState *s = (PS2KbdState *)g_malloc0(sizeof(PS2KbdState));
|
| 650 |
|
| 651 |
s->common.update_irq = update_irq; |
| 652 |
s->common.update_arg = update_arg; |
| 653 |
s->scancode_set = 2;
|
| 654 |
vmstate_register(NULL, 0, &vmstate_ps2_keyboard, s); |
| 655 |
qemu_add_kbd_event_handler(ps2_put_keycode, s); |
| 656 |
qemu_register_reset(ps2_kbd_reset, s); |
| 657 |
return s;
|
| 658 |
} |
| 659 |
|
| 660 |
void *ps2_mouse_init(void (*update_irq)(void *, int), void *update_arg) |
| 661 |
{
|
| 662 |
PS2MouseState *s = (PS2MouseState *)g_malloc0(sizeof(PS2MouseState));
|
| 663 |
|
| 664 |
s->common.update_irq = update_irq; |
| 665 |
s->common.update_arg = update_arg; |
| 666 |
vmstate_register(NULL, 0, &vmstate_ps2_mouse, s); |
| 667 |
qemu_add_mouse_event_handler(ps2_mouse_event, s, 0, "QEMU PS/2 Mouse"); |
| 668 |
qemu_register_reset(ps2_mouse_reset, s); |
| 669 |
return s;
|
| 670 |
} |