Annotation of qemu/hw/ps2.c, revision 1.1.1.8

1.1       root        1: /*
                      2:  * QEMU PS/2 keyboard/mouse emulation
1.1.1.4   root        3:  *
1.1       root        4:  * Copyright (c) 2003 Fabrice Bellard
1.1.1.4   root        5:  *
1.1       root        6:  * Permission is hereby granted, free of charge, to any person obtaining a copy
                      7:  * of this software and associated documentation files (the "Software"), to deal
                      8:  * in the Software without restriction, including without limitation the rights
                      9:  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
                     10:  * copies of the Software, and to permit persons to whom the Software is
                     11:  * furnished to do so, subject to the following conditions:
                     12:  *
                     13:  * The above copyright notice and this permission notice shall be included in
                     14:  * all copies or substantial portions of the Software.
                     15:  *
                     16:  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
                     17:  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
                     18:  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
                     19:  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
                     20:  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
                     21:  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
                     22:  * THE SOFTWARE.
                     23:  */
1.1.1.4   root       24: #include "hw.h"
                     25: #include "ps2.h"
                     26: #include "console.h"
1.1       root       27: 
                     28: /* debug PC keyboard */
                     29: //#define DEBUG_KBD
                     30: 
                     31: /* debug PC keyboard : only mouse */
                     32: //#define DEBUG_MOUSE
                     33: 
                     34: /* Keyboard Commands */
                     35: #define KBD_CMD_SET_LEDS       0xED    /* Set keyboard leds */
                     36: #define KBD_CMD_ECHO           0xEE
1.1.1.5   root       37: #define KBD_CMD_SCANCODE       0xF0    /* Get/set scancode set */
1.1       root       38: #define KBD_CMD_GET_ID                 0xF2    /* get keyboard ID */
                     39: #define KBD_CMD_SET_RATE       0xF3    /* Set typematic rate */
                     40: #define KBD_CMD_ENABLE         0xF4    /* Enable scanning */
                     41: #define KBD_CMD_RESET_DISABLE  0xF5    /* reset and disable scanning */
                     42: #define KBD_CMD_RESET_ENABLE           0xF6    /* reset and enable scanning */
                     43: #define KBD_CMD_RESET          0xFF    /* Reset */
                     44: 
                     45: /* Keyboard Replies */
                     46: #define KBD_REPLY_POR          0xAA    /* Power on reset */
1.1.1.5   root       47: #define KBD_REPLY_ID           0xAB    /* Keyboard ID */
1.1       root       48: #define KBD_REPLY_ACK          0xFA    /* Command ACK */
                     49: #define KBD_REPLY_RESEND       0xFE    /* Command NACK, send the cmd again */
                     50: 
                     51: /* Mouse Commands */
                     52: #define AUX_SET_SCALE11                0xE6    /* Set 1:1 scaling */
                     53: #define AUX_SET_SCALE21                0xE7    /* Set 2:1 scaling */
                     54: #define AUX_SET_RES            0xE8    /* Set resolution */
                     55: #define AUX_GET_SCALE          0xE9    /* Get scaling factor */
                     56: #define AUX_SET_STREAM         0xEA    /* Set stream mode */
                     57: #define AUX_POLL               0xEB    /* Poll */
                     58: #define AUX_RESET_WRAP         0xEC    /* Reset wrap mode */
                     59: #define AUX_SET_WRAP           0xEE    /* Set wrap mode */
                     60: #define AUX_SET_REMOTE         0xF0    /* Set remote mode */
                     61: #define AUX_GET_TYPE           0xF2    /* Get type */
                     62: #define AUX_SET_SAMPLE         0xF3    /* Set sample rate */
                     63: #define AUX_ENABLE_DEV         0xF4    /* Enable aux device */
                     64: #define AUX_DISABLE_DEV                0xF5    /* Disable aux device */
                     65: #define AUX_SET_DEFAULT                0xF6
                     66: #define AUX_RESET              0xFF    /* Reset aux device */
                     67: #define AUX_ACK                        0xFA    /* Command byte ACK. */
                     68: 
                     69: #define MOUSE_STATUS_REMOTE     0x40
                     70: #define MOUSE_STATUS_ENABLED    0x20
                     71: #define MOUSE_STATUS_SCALE21    0x10
                     72: 
                     73: #define PS2_QUEUE_SIZE 256
                     74: 
                     75: typedef struct {
                     76:     uint8_t data[PS2_QUEUE_SIZE];
                     77:     int rptr, wptr, count;
                     78: } PS2Queue;
                     79: 
                     80: typedef struct {
                     81:     PS2Queue queue;
                     82:     int32_t write_cmd;
                     83:     void (*update_irq)(void *, int);
                     84:     void *update_arg;
                     85: } PS2State;
                     86: 
                     87: typedef struct {
                     88:     PS2State common;
                     89:     int scan_enabled;
1.1.1.2   root       90:     /* Qemu uses translated PC scancodes internally.  To avoid multiple
                     91:        conversions we do the translation (if any) in the PS/2 emulation
                     92:        not the keyboard controller.  */
                     93:     int translate;
1.1.1.5   root       94:     int scancode_set; /* 1=XT, 2=AT, 3=PS/2 */
1.1       root       95: } PS2KbdState;
                     96: 
                     97: typedef struct {
                     98:     PS2State common;
                     99:     uint8_t mouse_status;
                    100:     uint8_t mouse_resolution;
                    101:     uint8_t mouse_sample_rate;
                    102:     uint8_t mouse_wrap;
                    103:     uint8_t mouse_type; /* 0 = PS2, 3 = IMPS/2, 4 = IMEX */
                    104:     uint8_t mouse_detect_state;
                    105:     int mouse_dx; /* current values, needed for 'poll' mode */
                    106:     int mouse_dy;
                    107:     int mouse_dz;
                    108:     uint8_t mouse_buttons;
                    109: } PS2MouseState;
                    110: 
1.1.1.2   root      111: /* Table to convert from PC scancodes to raw scancodes.  */
                    112: static const unsigned char ps2_raw_keycode[128] = {
                    113:           0,118, 22, 30, 38, 37, 46, 54, 61, 62, 70, 69, 78, 85,102, 13,
                    114:          21, 29, 36, 45, 44, 53, 60, 67, 68, 77, 84, 91, 90, 20, 28, 27,
                    115:          35, 43, 52, 51, 59, 66, 75, 76, 82, 14, 18, 93, 26, 34, 33, 42,
                    116:          50, 49, 58, 65, 73, 74, 89,124, 17, 41, 88,  5,  6,  4, 12,  3,
                    117:          11,  2, 10,  1,  9,119,126,108,117,125,123,107,115,116,121,105,
                    118:         114,122,112,113,127, 96, 97,120,  7, 15, 23, 31, 39, 47, 55, 63,
                    119:          71, 79, 86, 94,  8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 87,111,
                    120:          19, 25, 57, 81, 83, 92, 95, 98, 99,100,101,103,104,106,109,110
                    121: };
                    122: 
1.1       root      123: void ps2_queue(void *opaque, int b)
                    124: {
                    125:     PS2State *s = (PS2State *)opaque;
                    126:     PS2Queue *q = &s->queue;
                    127: 
                    128:     if (q->count >= PS2_QUEUE_SIZE)
                    129:         return;
                    130:     q->data[q->wptr] = b;
                    131:     if (++q->wptr == PS2_QUEUE_SIZE)
                    132:         q->wptr = 0;
                    133:     q->count++;
                    134:     s->update_irq(s->update_arg, 1);
                    135: }
                    136: 
1.1.1.5   root      137: /*
                    138:    keycode is expressed as follow:
                    139:    bit 7    - 0 key pressed, 1 = key released
                    140:    bits 6-0 - translated scancode set 2
                    141:  */
1.1       root      142: static void ps2_put_keycode(void *opaque, int keycode)
                    143: {
1.1.1.2   root      144:     PS2KbdState *s = opaque;
1.1.1.5   root      145: 
                    146:     /* XXX: add support for scancode sets 1 and 3 */
                    147:     if (!s->translate && keycode < 0xe0 && s->scancode_set == 2)
1.1.1.2   root      148:       {
                    149:         if (keycode & 0x80)
                    150:             ps2_queue(&s->common, 0xf0);
                    151:         keycode = ps2_raw_keycode[keycode & 0x7f];
                    152:       }
1.1       root      153:     ps2_queue(&s->common, keycode);
                    154: }
                    155: 
                    156: uint32_t ps2_read_data(void *opaque)
                    157: {
                    158:     PS2State *s = (PS2State *)opaque;
                    159:     PS2Queue *q;
                    160:     int val, index;
1.1.1.4   root      161: 
1.1       root      162:     q = &s->queue;
                    163:     if (q->count == 0) {
                    164:         /* NOTE: if no data left, we return the last keyboard one
                    165:            (needed for EMM386) */
                    166:         /* XXX: need a timer to do things correctly */
                    167:         index = q->rptr - 1;
                    168:         if (index < 0)
                    169:             index = PS2_QUEUE_SIZE - 1;
                    170:         val = q->data[index];
                    171:     } else {
                    172:         val = q->data[q->rptr];
                    173:         if (++q->rptr == PS2_QUEUE_SIZE)
                    174:             q->rptr = 0;
                    175:         q->count--;
                    176:         /* reading deasserts IRQ */
                    177:         s->update_irq(s->update_arg, 0);
                    178:         /* reassert IRQs if data left */
                    179:         s->update_irq(s->update_arg, q->count != 0);
                    180:     }
                    181:     return val;
                    182: }
                    183: 
                    184: static void ps2_reset_keyboard(PS2KbdState *s)
                    185: {
                    186:     s->scan_enabled = 1;
1.1.1.5   root      187:     s->scancode_set = 2;
1.1.1.8 ! root      188:     kbd_put_ledstate(0);
1.1       root      189: }
                    190: 
                    191: void ps2_write_keyboard(void *opaque, int val)
                    192: {
                    193:     PS2KbdState *s = (PS2KbdState *)opaque;
                    194: 
                    195:     switch(s->common.write_cmd) {
                    196:     default:
                    197:     case -1:
                    198:         switch(val) {
                    199:         case 0x00:
                    200:             ps2_queue(&s->common, KBD_REPLY_ACK);
                    201:             break;
                    202:         case 0x05:
                    203:             ps2_queue(&s->common, KBD_REPLY_RESEND);
                    204:             break;
                    205:         case KBD_CMD_GET_ID:
                    206:             ps2_queue(&s->common, KBD_REPLY_ACK);
1.1.1.5   root      207:             /* We emulate a MF2 AT keyboard here */
                    208:             ps2_queue(&s->common, KBD_REPLY_ID);
                    209:             if (s->translate)
                    210:                 ps2_queue(&s->common, 0x41);
                    211:             else
                    212:                 ps2_queue(&s->common, 0x83);
1.1       root      213:             break;
                    214:         case KBD_CMD_ECHO:
                    215:             ps2_queue(&s->common, KBD_CMD_ECHO);
                    216:             break;
                    217:         case KBD_CMD_ENABLE:
                    218:             s->scan_enabled = 1;
                    219:             ps2_queue(&s->common, KBD_REPLY_ACK);
                    220:             break;
1.1.1.5   root      221:         case KBD_CMD_SCANCODE:
1.1       root      222:         case KBD_CMD_SET_LEDS:
                    223:         case KBD_CMD_SET_RATE:
                    224:             s->common.write_cmd = val;
                    225:             ps2_queue(&s->common, KBD_REPLY_ACK);
                    226:             break;
                    227:         case KBD_CMD_RESET_DISABLE:
                    228:             ps2_reset_keyboard(s);
                    229:             s->scan_enabled = 0;
                    230:             ps2_queue(&s->common, KBD_REPLY_ACK);
                    231:             break;
                    232:         case KBD_CMD_RESET_ENABLE:
                    233:             ps2_reset_keyboard(s);
                    234:             s->scan_enabled = 1;
                    235:             ps2_queue(&s->common, KBD_REPLY_ACK);
                    236:             break;
                    237:         case KBD_CMD_RESET:
                    238:             ps2_reset_keyboard(s);
                    239:             ps2_queue(&s->common, KBD_REPLY_ACK);
                    240:             ps2_queue(&s->common, KBD_REPLY_POR);
                    241:             break;
                    242:         default:
                    243:             ps2_queue(&s->common, KBD_REPLY_ACK);
                    244:             break;
                    245:         }
                    246:         break;
1.1.1.5   root      247:     case KBD_CMD_SCANCODE:
                    248:         if (val == 0) {
                    249:             if (s->scancode_set == 1)
                    250:                 ps2_put_keycode(s, 0x43);
                    251:             else if (s->scancode_set == 2)
                    252:                 ps2_put_keycode(s, 0x41);
                    253:             else if (s->scancode_set == 3)
                    254:                 ps2_put_keycode(s, 0x3f);
                    255:         } else {
                    256:             if (val >= 1 && val <= 3)
                    257:                 s->scancode_set = val;
                    258:             ps2_queue(&s->common, KBD_REPLY_ACK);
                    259:         }
                    260:         s->common.write_cmd = -1;
                    261:         break;
1.1       root      262:     case KBD_CMD_SET_LEDS:
1.1.1.8 ! root      263:         kbd_put_ledstate(val);
1.1       root      264:         ps2_queue(&s->common, KBD_REPLY_ACK);
                    265:         s->common.write_cmd = -1;
                    266:         break;
                    267:     case KBD_CMD_SET_RATE:
                    268:         ps2_queue(&s->common, KBD_REPLY_ACK);
                    269:         s->common.write_cmd = -1;
                    270:         break;
                    271:     }
                    272: }
                    273: 
1.1.1.2   root      274: /* Set the scancode translation mode.
                    275:    0 = raw scancodes.
                    276:    1 = translated scancodes (used by qemu internally).  */
                    277: 
                    278: void ps2_keyboard_set_translation(void *opaque, int mode)
                    279: {
                    280:     PS2KbdState *s = (PS2KbdState *)opaque;
                    281:     s->translate = mode;
                    282: }
                    283: 
1.1       root      284: static void ps2_mouse_send_packet(PS2MouseState *s)
                    285: {
                    286:     unsigned int b;
                    287:     int dx1, dy1, dz1;
                    288: 
                    289:     dx1 = s->mouse_dx;
                    290:     dy1 = s->mouse_dy;
                    291:     dz1 = s->mouse_dz;
                    292:     /* XXX: increase range to 8 bits ? */
                    293:     if (dx1 > 127)
                    294:         dx1 = 127;
                    295:     else if (dx1 < -127)
                    296:         dx1 = -127;
                    297:     if (dy1 > 127)
                    298:         dy1 = 127;
                    299:     else if (dy1 < -127)
                    300:         dy1 = -127;
                    301:     b = 0x08 | ((dx1 < 0) << 4) | ((dy1 < 0) << 5) | (s->mouse_buttons & 0x07);
                    302:     ps2_queue(&s->common, b);
                    303:     ps2_queue(&s->common, dx1 & 0xff);
                    304:     ps2_queue(&s->common, dy1 & 0xff);
                    305:     /* extra byte for IMPS/2 or IMEX */
                    306:     switch(s->mouse_type) {
                    307:     default:
                    308:         break;
                    309:     case 3:
                    310:         if (dz1 > 127)
                    311:             dz1 = 127;
                    312:         else if (dz1 < -127)
                    313:                 dz1 = -127;
                    314:         ps2_queue(&s->common, dz1 & 0xff);
                    315:         break;
                    316:     case 4:
                    317:         if (dz1 > 7)
                    318:             dz1 = 7;
                    319:         else if (dz1 < -7)
                    320:             dz1 = -7;
                    321:         b = (dz1 & 0x0f) | ((s->mouse_buttons & 0x18) << 1);
                    322:         ps2_queue(&s->common, b);
                    323:         break;
                    324:     }
                    325: 
                    326:     /* update deltas */
                    327:     s->mouse_dx -= dx1;
                    328:     s->mouse_dy -= dy1;
                    329:     s->mouse_dz -= dz1;
                    330: }
                    331: 
1.1.1.4   root      332: static void ps2_mouse_event(void *opaque,
1.1       root      333:                             int dx, int dy, int dz, int buttons_state)
                    334: {
                    335:     PS2MouseState *s = opaque;
                    336: 
                    337:     /* check if deltas are recorded when disabled */
                    338:     if (!(s->mouse_status & MOUSE_STATUS_ENABLED))
                    339:         return;
                    340: 
                    341:     s->mouse_dx += dx;
                    342:     s->mouse_dy -= dy;
                    343:     s->mouse_dz += dz;
                    344:     /* XXX: SDL sometimes generates nul events: we delete them */
                    345:     if (s->mouse_dx == 0 && s->mouse_dy == 0 && s->mouse_dz == 0 &&
                    346:         s->mouse_buttons == buttons_state)
                    347:        return;
                    348:     s->mouse_buttons = buttons_state;
1.1.1.4   root      349: 
1.1       root      350:     if (!(s->mouse_status & MOUSE_STATUS_REMOTE) &&
                    351:         (s->common.queue.count < (PS2_QUEUE_SIZE - 16))) {
                    352:         for(;;) {
                    353:             /* if not remote, send event. Multiple events are sent if
                    354:                too big deltas */
                    355:             ps2_mouse_send_packet(s);
                    356:             if (s->mouse_dx == 0 && s->mouse_dy == 0 && s->mouse_dz == 0)
                    357:                 break;
                    358:         }
                    359:     }
                    360: }
                    361: 
1.1.1.4   root      362: void ps2_mouse_fake_event(void *opaque)
                    363: {
                    364:     ps2_mouse_event(opaque, 1, 0, 0, 0);
                    365: }
                    366: 
1.1       root      367: void ps2_write_mouse(void *opaque, int val)
                    368: {
                    369:     PS2MouseState *s = (PS2MouseState *)opaque;
                    370: #ifdef DEBUG_MOUSE
                    371:     printf("kbd: write mouse 0x%02x\n", val);
                    372: #endif
                    373:     switch(s->common.write_cmd) {
                    374:     default:
                    375:     case -1:
                    376:         /* mouse command */
                    377:         if (s->mouse_wrap) {
                    378:             if (val == AUX_RESET_WRAP) {
                    379:                 s->mouse_wrap = 0;
                    380:                 ps2_queue(&s->common, AUX_ACK);
                    381:                 return;
                    382:             } else if (val != AUX_RESET) {
                    383:                 ps2_queue(&s->common, val);
                    384:                 return;
                    385:             }
                    386:         }
                    387:         switch(val) {
                    388:         case AUX_SET_SCALE11:
                    389:             s->mouse_status &= ~MOUSE_STATUS_SCALE21;
                    390:             ps2_queue(&s->common, AUX_ACK);
                    391:             break;
                    392:         case AUX_SET_SCALE21:
                    393:             s->mouse_status |= MOUSE_STATUS_SCALE21;
                    394:             ps2_queue(&s->common, AUX_ACK);
                    395:             break;
                    396:         case AUX_SET_STREAM:
                    397:             s->mouse_status &= ~MOUSE_STATUS_REMOTE;
                    398:             ps2_queue(&s->common, AUX_ACK);
                    399:             break;
                    400:         case AUX_SET_WRAP:
                    401:             s->mouse_wrap = 1;
                    402:             ps2_queue(&s->common, AUX_ACK);
                    403:             break;
                    404:         case AUX_SET_REMOTE:
                    405:             s->mouse_status |= MOUSE_STATUS_REMOTE;
                    406:             ps2_queue(&s->common, AUX_ACK);
                    407:             break;
                    408:         case AUX_GET_TYPE:
                    409:             ps2_queue(&s->common, AUX_ACK);
                    410:             ps2_queue(&s->common, s->mouse_type);
                    411:             break;
                    412:         case AUX_SET_RES:
                    413:         case AUX_SET_SAMPLE:
                    414:             s->common.write_cmd = val;
                    415:             ps2_queue(&s->common, AUX_ACK);
                    416:             break;
                    417:         case AUX_GET_SCALE:
                    418:             ps2_queue(&s->common, AUX_ACK);
                    419:             ps2_queue(&s->common, s->mouse_status);
                    420:             ps2_queue(&s->common, s->mouse_resolution);
                    421:             ps2_queue(&s->common, s->mouse_sample_rate);
                    422:             break;
                    423:         case AUX_POLL:
                    424:             ps2_queue(&s->common, AUX_ACK);
                    425:             ps2_mouse_send_packet(s);
                    426:             break;
                    427:         case AUX_ENABLE_DEV:
                    428:             s->mouse_status |= MOUSE_STATUS_ENABLED;
                    429:             ps2_queue(&s->common, AUX_ACK);
                    430:             break;
                    431:         case AUX_DISABLE_DEV:
                    432:             s->mouse_status &= ~MOUSE_STATUS_ENABLED;
                    433:             ps2_queue(&s->common, AUX_ACK);
                    434:             break;
                    435:         case AUX_SET_DEFAULT:
                    436:             s->mouse_sample_rate = 100;
                    437:             s->mouse_resolution = 2;
                    438:             s->mouse_status = 0;
                    439:             ps2_queue(&s->common, AUX_ACK);
                    440:             break;
                    441:         case AUX_RESET:
                    442:             s->mouse_sample_rate = 100;
                    443:             s->mouse_resolution = 2;
                    444:             s->mouse_status = 0;
                    445:             s->mouse_type = 0;
                    446:             ps2_queue(&s->common, AUX_ACK);
                    447:             ps2_queue(&s->common, 0xaa);
                    448:             ps2_queue(&s->common, s->mouse_type);
                    449:             break;
                    450:         default:
                    451:             break;
                    452:         }
                    453:         break;
                    454:     case AUX_SET_SAMPLE:
                    455:         s->mouse_sample_rate = val;
                    456:         /* detect IMPS/2 or IMEX */
                    457:         switch(s->mouse_detect_state) {
                    458:         default:
                    459:         case 0:
                    460:             if (val == 200)
                    461:                 s->mouse_detect_state = 1;
                    462:             break;
                    463:         case 1:
                    464:             if (val == 100)
                    465:                 s->mouse_detect_state = 2;
                    466:             else if (val == 200)
                    467:                 s->mouse_detect_state = 3;
                    468:             else
                    469:                 s->mouse_detect_state = 0;
                    470:             break;
                    471:         case 2:
1.1.1.4   root      472:             if (val == 80)
1.1       root      473:                 s->mouse_type = 3; /* IMPS/2 */
                    474:             s->mouse_detect_state = 0;
                    475:             break;
                    476:         case 3:
1.1.1.4   root      477:             if (val == 80)
1.1       root      478:                 s->mouse_type = 4; /* IMEX */
                    479:             s->mouse_detect_state = 0;
                    480:             break;
                    481:         }
                    482:         ps2_queue(&s->common, AUX_ACK);
                    483:         s->common.write_cmd = -1;
                    484:         break;
                    485:     case AUX_SET_RES:
                    486:         s->mouse_resolution = val;
                    487:         ps2_queue(&s->common, AUX_ACK);
                    488:         s->common.write_cmd = -1;
                    489:         break;
                    490:     }
                    491: }
                    492: 
1.1.1.6   root      493: static void ps2_common_reset(PS2State *s)
1.1       root      494: {
                    495:     PS2Queue *q;
                    496:     s->write_cmd = -1;
                    497:     q = &s->queue;
                    498:     q->rptr = 0;
                    499:     q->wptr = 0;
                    500:     q->count = 0;
1.1.1.5   root      501:     s->update_irq(s->update_arg, 0);
1.1       root      502: }
                    503: 
1.1.1.6   root      504: static void ps2_kbd_reset(void *opaque)
                    505: {
                    506:     PS2KbdState *s = (PS2KbdState *) opaque;
                    507: 
                    508:     ps2_common_reset(&s->common);
                    509:     s->scan_enabled = 0;
                    510:     s->translate = 0;
                    511:     s->scancode_set = 0;
                    512: }
                    513: 
                    514: static void ps2_mouse_reset(void *opaque)
                    515: {
                    516:     PS2MouseState *s = (PS2MouseState *) opaque;
                    517: 
                    518:     ps2_common_reset(&s->common);
                    519:     s->mouse_status = 0;
                    520:     s->mouse_resolution = 0;
                    521:     s->mouse_sample_rate = 0;
                    522:     s->mouse_wrap = 0;
                    523:     s->mouse_type = 0;
                    524:     s->mouse_detect_state = 0;
                    525:     s->mouse_dx = 0;
                    526:     s->mouse_dy = 0;
                    527:     s->mouse_dz = 0;
                    528:     s->mouse_buttons = 0;
                    529: }
                    530: 
1.1.1.7   root      531: static const VMStateDescription vmstate_ps2_common = {
                    532:     .name = "PS2 Common State",
                    533:     .version_id = 3,
                    534:     .minimum_version_id = 2,
                    535:     .minimum_version_id_old = 2,
                    536:     .fields      = (VMStateField []) {
                    537:         VMSTATE_INT32(write_cmd, PS2State),
                    538:         VMSTATE_INT32(queue.rptr, PS2State),
                    539:         VMSTATE_INT32(queue.wptr, PS2State),
                    540:         VMSTATE_INT32(queue.count, PS2State),
                    541:         VMSTATE_BUFFER(queue.data, PS2State),
                    542:         VMSTATE_END_OF_LIST()
                    543:     }
                    544: };
1.1       root      545: 
1.1.1.7   root      546: static int ps2_kbd_post_load(void* opaque, int version_id)
1.1       root      547: {
                    548:     PS2KbdState *s = (PS2KbdState*)opaque;
1.1.1.2   root      549: 
1.1.1.7   root      550:     if (version_id == 2)
1.1.1.5   root      551:         s->scancode_set=2;
1.1       root      552:     return 0;
                    553: }
                    554: 
1.1.1.7   root      555: static const VMStateDescription vmstate_ps2_keyboard = {
                    556:     .name = "ps2kbd",
                    557:     .version_id = 3,
                    558:     .minimum_version_id = 2,
                    559:     .minimum_version_id_old = 2,
                    560:     .post_load = ps2_kbd_post_load,
                    561:     .fields      = (VMStateField []) {
                    562:         VMSTATE_STRUCT(common, PS2KbdState, 0, vmstate_ps2_common, PS2State),
                    563:         VMSTATE_INT32(scan_enabled, PS2KbdState),
                    564:         VMSTATE_INT32(translate, PS2KbdState),
                    565:         VMSTATE_INT32_V(scancode_set, PS2KbdState,3),
                    566:         VMSTATE_END_OF_LIST()
                    567:     }
                    568: };
                    569: 
                    570: static const VMStateDescription vmstate_ps2_mouse = {
                    571:     .name = "ps2mouse",
                    572:     .version_id = 2,
                    573:     .minimum_version_id = 2,
                    574:     .minimum_version_id_old = 2,
                    575:     .fields      = (VMStateField []) {
                    576:         VMSTATE_STRUCT(common, PS2MouseState, 0, vmstate_ps2_common, PS2State),
                    577:         VMSTATE_UINT8(mouse_status, PS2MouseState),
                    578:         VMSTATE_UINT8(mouse_resolution, PS2MouseState),
                    579:         VMSTATE_UINT8(mouse_sample_rate, PS2MouseState),
                    580:         VMSTATE_UINT8(mouse_wrap, PS2MouseState),
                    581:         VMSTATE_UINT8(mouse_type, PS2MouseState),
                    582:         VMSTATE_UINT8(mouse_detect_state, PS2MouseState),
                    583:         VMSTATE_INT32(mouse_dx, PS2MouseState),
                    584:         VMSTATE_INT32(mouse_dy, PS2MouseState),
                    585:         VMSTATE_INT32(mouse_dz, PS2MouseState),
                    586:         VMSTATE_UINT8(mouse_buttons, PS2MouseState),
                    587:         VMSTATE_END_OF_LIST()
                    588:     }
                    589: };
1.1       root      590: 
                    591: void *ps2_kbd_init(void (*update_irq)(void *, int), void *update_arg)
                    592: {
                    593:     PS2KbdState *s = (PS2KbdState *)qemu_mallocz(sizeof(PS2KbdState));
                    594: 
                    595:     s->common.update_irq = update_irq;
                    596:     s->common.update_arg = update_arg;
1.1.1.5   root      597:     s->scancode_set = 2;
1.1.1.8 ! root      598:     vmstate_register(NULL, 0, &vmstate_ps2_keyboard, s);
1.1       root      599:     qemu_add_kbd_event_handler(ps2_put_keycode, s);
1.1.1.6   root      600:     qemu_register_reset(ps2_kbd_reset, s);
1.1       root      601:     return s;
                    602: }
                    603: 
                    604: void *ps2_mouse_init(void (*update_irq)(void *, int), void *update_arg)
                    605: {
                    606:     PS2MouseState *s = (PS2MouseState *)qemu_mallocz(sizeof(PS2MouseState));
                    607: 
                    608:     s->common.update_irq = update_irq;
                    609:     s->common.update_arg = update_arg;
1.1.1.8 ! root      610:     vmstate_register(NULL, 0, &vmstate_ps2_mouse, s);
1.1.1.3   root      611:     qemu_add_mouse_event_handler(ps2_mouse_event, s, 0, "QEMU PS/2 Mouse");
1.1.1.6   root      612:     qemu_register_reset(ps2_mouse_reset, s);
1.1       root      613:     return s;
                    614: }

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