677 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			677 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * QEMU PS/2 keyboard/mouse emulation
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 *
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 * Copyright (c) 2003 Fabrice Bellard
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a copy
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 * of this software and associated documentation files (the "Software"), to deal
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 * in the Software without restriction, including without limitation the rights
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 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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 * copies of the Software, and to permit persons to whom the Software is
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 * furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be included in
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 * all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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 * THE SOFTWARE.
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 */
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#include "hw.h"
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#include "ps2.h"
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#include "ui/console.h"
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#include "sysemu/sysemu.h"
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/* debug PC keyboard */
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//#define DEBUG_KBD
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/* debug PC keyboard : only mouse */
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//#define DEBUG_MOUSE
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/* Keyboard Commands */
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#define KBD_CMD_SET_LEDS	0xED	/* Set keyboard leds */
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#define KBD_CMD_ECHO     	0xEE
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#define KBD_CMD_SCANCODE	0xF0	/* Get/set scancode set */
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#define KBD_CMD_GET_ID 	        0xF2	/* get keyboard ID */
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#define KBD_CMD_SET_RATE	0xF3	/* Set typematic rate */
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#define KBD_CMD_ENABLE		0xF4	/* Enable scanning */
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#define KBD_CMD_RESET_DISABLE	0xF5	/* reset and disable scanning */
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#define KBD_CMD_RESET_ENABLE   	0xF6    /* reset and enable scanning */
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#define KBD_CMD_RESET		0xFF	/* Reset */
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/* Keyboard Replies */
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#define KBD_REPLY_POR		0xAA	/* Power on reset */
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#define KBD_REPLY_ID		0xAB	/* Keyboard ID */
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#define KBD_REPLY_ACK		0xFA	/* Command ACK */
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#define KBD_REPLY_RESEND	0xFE	/* Command NACK, send the cmd again */
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/* Mouse Commands */
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#define AUX_SET_SCALE11		0xE6	/* Set 1:1 scaling */
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#define AUX_SET_SCALE21		0xE7	/* Set 2:1 scaling */
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#define AUX_SET_RES		0xE8	/* Set resolution */
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#define AUX_GET_SCALE		0xE9	/* Get scaling factor */
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#define AUX_SET_STREAM		0xEA	/* Set stream mode */
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#define AUX_POLL		0xEB	/* Poll */
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#define AUX_RESET_WRAP		0xEC	/* Reset wrap mode */
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#define AUX_SET_WRAP		0xEE	/* Set wrap mode */
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#define AUX_SET_REMOTE		0xF0	/* Set remote mode */
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#define AUX_GET_TYPE		0xF2	/* Get type */
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#define AUX_SET_SAMPLE		0xF3	/* Set sample rate */
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#define AUX_ENABLE_DEV		0xF4	/* Enable aux device */
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#define AUX_DISABLE_DEV		0xF5	/* Disable aux device */
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#define AUX_SET_DEFAULT		0xF6
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#define AUX_RESET		0xFF	/* Reset aux device */
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#define AUX_ACK			0xFA	/* Command byte ACK. */
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#define MOUSE_STATUS_REMOTE     0x40
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#define MOUSE_STATUS_ENABLED    0x20
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#define MOUSE_STATUS_SCALE21    0x10
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#define PS2_QUEUE_SIZE 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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    int ledstate;
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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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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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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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    qemu_system_wakeup_request(QEMU_WAKEUP_REASON_OTHER);
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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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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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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_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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/* 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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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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}
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static void ps2_mouse_send_packet(PS2MouseState *s)
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{
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    unsigned int b;
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    int dx1, dy1, dz1;
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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;
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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);
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    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:
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        if (dz1 > 127)
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            dz1 = 127;
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        else if (dz1 < -127)
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                dz1 = -127;
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        ps2_queue(&s->common, dz1 & 0xff);
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        break;
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    case 4:
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        if (dz1 > 7)
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            dz1 = 7;
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        else if (dz1 < -7)
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            dz1 = -7;
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        b = (dz1 & 0x0f) | ((s->mouse_buttons & 0x18) << 1);
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        ps2_queue(&s->common, b);
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        break;
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    }
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    /* update deltas */
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    s->mouse_dx -= dx1;
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    s->mouse_dy -= dy1;
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    s->mouse_dz -= dz1;
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}
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static void ps2_mouse_event(void *opaque,
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                            int dx, int dy, int dz, int buttons_state)
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{
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    PS2MouseState *s = opaque;
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    /* check if deltas are recorded when disabled */
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    if (!(s->mouse_status & MOUSE_STATUS_ENABLED))
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        return;
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    s->mouse_dx += dx;
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    s->mouse_dy -= dy;
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    s->mouse_dz += dz;
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    /* XXX: SDL sometimes generates nul events: we delete them */
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    if (s->mouse_dx == 0 && s->mouse_dy == 0 && s->mouse_dz == 0 &&
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        s->mouse_buttons == buttons_state)
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	return;
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    s->mouse_buttons = buttons_state;
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    if (buttons_state) {
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        qemu_system_wakeup_request(QEMU_WAKEUP_REASON_OTHER);
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    }
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    if (!(s->mouse_status & MOUSE_STATUS_REMOTE) &&
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        (s->common.queue.count < (PS2_QUEUE_SIZE - 16))) {
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        for(;;) {
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            /* if not remote, send event. Multiple events are sent if
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               too big deltas */
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            ps2_mouse_send_packet(s);
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            if (s->mouse_dx == 0 && s->mouse_dy == 0 && s->mouse_dz == 0)
 | 
						|
                break;
 | 
						|
        }
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
void ps2_mouse_fake_event(void *opaque)
 | 
						|
{
 | 
						|
    ps2_mouse_event(opaque, 1, 0, 0, 0);
 | 
						|
}
 | 
						|
 | 
						|
void ps2_write_mouse(void *opaque, int val)
 | 
						|
{
 | 
						|
    PS2MouseState *s = (PS2MouseState *)opaque;
 | 
						|
#ifdef DEBUG_MOUSE
 | 
						|
    printf("kbd: write mouse 0x%02x\n", val);
 | 
						|
#endif
 | 
						|
    switch(s->common.write_cmd) {
 | 
						|
    default:
 | 
						|
    case -1:
 | 
						|
        /* mouse command */
 | 
						|
        if (s->mouse_wrap) {
 | 
						|
            if (val == AUX_RESET_WRAP) {
 | 
						|
                s->mouse_wrap = 0;
 | 
						|
                ps2_queue(&s->common, AUX_ACK);
 | 
						|
                return;
 | 
						|
            } else if (val != AUX_RESET) {
 | 
						|
                ps2_queue(&s->common, val);
 | 
						|
                return;
 | 
						|
            }
 | 
						|
        }
 | 
						|
        switch(val) {
 | 
						|
        case AUX_SET_SCALE11:
 | 
						|
            s->mouse_status &= ~MOUSE_STATUS_SCALE21;
 | 
						|
            ps2_queue(&s->common, AUX_ACK);
 | 
						|
            break;
 | 
						|
        case AUX_SET_SCALE21:
 | 
						|
            s->mouse_status |= MOUSE_STATUS_SCALE21;
 | 
						|
            ps2_queue(&s->common, AUX_ACK);
 | 
						|
            break;
 | 
						|
        case AUX_SET_STREAM:
 | 
						|
            s->mouse_status &= ~MOUSE_STATUS_REMOTE;
 | 
						|
            ps2_queue(&s->common, AUX_ACK);
 | 
						|
            break;
 | 
						|
        case AUX_SET_WRAP:
 | 
						|
            s->mouse_wrap = 1;
 | 
						|
            ps2_queue(&s->common, AUX_ACK);
 | 
						|
            break;
 | 
						|
        case AUX_SET_REMOTE:
 | 
						|
            s->mouse_status |= MOUSE_STATUS_REMOTE;
 | 
						|
            ps2_queue(&s->common, AUX_ACK);
 | 
						|
            break;
 | 
						|
        case AUX_GET_TYPE:
 | 
						|
            ps2_queue(&s->common, AUX_ACK);
 | 
						|
            ps2_queue(&s->common, s->mouse_type);
 | 
						|
            break;
 | 
						|
        case AUX_SET_RES:
 | 
						|
        case AUX_SET_SAMPLE:
 | 
						|
            s->common.write_cmd = val;
 | 
						|
            ps2_queue(&s->common, AUX_ACK);
 | 
						|
            break;
 | 
						|
        case AUX_GET_SCALE:
 | 
						|
            ps2_queue(&s->common, AUX_ACK);
 | 
						|
            ps2_queue(&s->common, s->mouse_status);
 | 
						|
            ps2_queue(&s->common, s->mouse_resolution);
 | 
						|
            ps2_queue(&s->common, s->mouse_sample_rate);
 | 
						|
            break;
 | 
						|
        case AUX_POLL:
 | 
						|
            ps2_queue(&s->common, AUX_ACK);
 | 
						|
            ps2_mouse_send_packet(s);
 | 
						|
            break;
 | 
						|
        case AUX_ENABLE_DEV:
 | 
						|
            s->mouse_status |= MOUSE_STATUS_ENABLED;
 | 
						|
            ps2_queue(&s->common, AUX_ACK);
 | 
						|
            break;
 | 
						|
        case AUX_DISABLE_DEV:
 | 
						|
            s->mouse_status &= ~MOUSE_STATUS_ENABLED;
 | 
						|
            ps2_queue(&s->common, AUX_ACK);
 | 
						|
            break;
 | 
						|
        case AUX_SET_DEFAULT:
 | 
						|
            s->mouse_sample_rate = 100;
 | 
						|
            s->mouse_resolution = 2;
 | 
						|
            s->mouse_status = 0;
 | 
						|
            ps2_queue(&s->common, AUX_ACK);
 | 
						|
            break;
 | 
						|
        case AUX_RESET:
 | 
						|
            s->mouse_sample_rate = 100;
 | 
						|
            s->mouse_resolution = 2;
 | 
						|
            s->mouse_status = 0;
 | 
						|
            s->mouse_type = 0;
 | 
						|
            ps2_queue(&s->common, AUX_ACK);
 | 
						|
            ps2_queue(&s->common, 0xaa);
 | 
						|
            ps2_queue(&s->common, s->mouse_type);
 | 
						|
            break;
 | 
						|
        default:
 | 
						|
            break;
 | 
						|
        }
 | 
						|
        break;
 | 
						|
    case AUX_SET_SAMPLE:
 | 
						|
        s->mouse_sample_rate = val;
 | 
						|
        /* detect IMPS/2 or IMEX */
 | 
						|
        switch(s->mouse_detect_state) {
 | 
						|
        default:
 | 
						|
        case 0:
 | 
						|
            if (val == 200)
 | 
						|
                s->mouse_detect_state = 1;
 | 
						|
            break;
 | 
						|
        case 1:
 | 
						|
            if (val == 100)
 | 
						|
                s->mouse_detect_state = 2;
 | 
						|
            else if (val == 200)
 | 
						|
                s->mouse_detect_state = 3;
 | 
						|
            else
 | 
						|
                s->mouse_detect_state = 0;
 | 
						|
            break;
 | 
						|
        case 2:
 | 
						|
            if (val == 80)
 | 
						|
                s->mouse_type = 3; /* IMPS/2 */
 | 
						|
            s->mouse_detect_state = 0;
 | 
						|
            break;
 | 
						|
        case 3:
 | 
						|
            if (val == 80)
 | 
						|
                s->mouse_type = 4; /* IMEX */
 | 
						|
            s->mouse_detect_state = 0;
 | 
						|
            break;
 | 
						|
        }
 | 
						|
        ps2_queue(&s->common, AUX_ACK);
 | 
						|
        s->common.write_cmd = -1;
 | 
						|
        break;
 | 
						|
    case AUX_SET_RES:
 | 
						|
        s->mouse_resolution = val;
 | 
						|
        ps2_queue(&s->common, AUX_ACK);
 | 
						|
        s->common.write_cmd = -1;
 | 
						|
        break;
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
static void ps2_common_reset(PS2State *s)
 | 
						|
{
 | 
						|
    PS2Queue *q;
 | 
						|
    s->write_cmd = -1;
 | 
						|
    q = &s->queue;
 | 
						|
    q->rptr = 0;
 | 
						|
    q->wptr = 0;
 | 
						|
    q->count = 0;
 | 
						|
    s->update_irq(s->update_arg, 0);
 | 
						|
}
 | 
						|
 | 
						|
static void ps2_kbd_reset(void *opaque)
 | 
						|
{
 | 
						|
    PS2KbdState *s = (PS2KbdState *) opaque;
 | 
						|
 | 
						|
    ps2_common_reset(&s->common);
 | 
						|
    s->scan_enabled = 0;
 | 
						|
    s->translate = 0;
 | 
						|
    s->scancode_set = 0;
 | 
						|
}
 | 
						|
 | 
						|
static void ps2_mouse_reset(void *opaque)
 | 
						|
{
 | 
						|
    PS2MouseState *s = (PS2MouseState *) opaque;
 | 
						|
 | 
						|
    ps2_common_reset(&s->common);
 | 
						|
    s->mouse_status = 0;
 | 
						|
    s->mouse_resolution = 0;
 | 
						|
    s->mouse_sample_rate = 0;
 | 
						|
    s->mouse_wrap = 0;
 | 
						|
    s->mouse_type = 0;
 | 
						|
    s->mouse_detect_state = 0;
 | 
						|
    s->mouse_dx = 0;
 | 
						|
    s->mouse_dy = 0;
 | 
						|
    s->mouse_dz = 0;
 | 
						|
    s->mouse_buttons = 0;
 | 
						|
}
 | 
						|
 | 
						|
static const VMStateDescription vmstate_ps2_common = {
 | 
						|
    .name = "PS2 Common State",
 | 
						|
    .version_id = 3,
 | 
						|
    .minimum_version_id = 2,
 | 
						|
    .minimum_version_id_old = 2,
 | 
						|
    .fields      = (VMStateField []) {
 | 
						|
        VMSTATE_INT32(write_cmd, PS2State),
 | 
						|
        VMSTATE_INT32(queue.rptr, PS2State),
 | 
						|
        VMSTATE_INT32(queue.wptr, PS2State),
 | 
						|
        VMSTATE_INT32(queue.count, PS2State),
 | 
						|
        VMSTATE_BUFFER(queue.data, PS2State),
 | 
						|
        VMSTATE_END_OF_LIST()
 | 
						|
    }
 | 
						|
};
 | 
						|
 | 
						|
static bool ps2_keyboard_ledstate_needed(void *opaque)
 | 
						|
{
 | 
						|
    PS2KbdState *s = opaque;
 | 
						|
 | 
						|
    return s->ledstate != 0; /* 0 is default state */
 | 
						|
}
 | 
						|
 | 
						|
static int ps2_kbd_ledstate_post_load(void *opaque, int version_id)
 | 
						|
{
 | 
						|
    PS2KbdState *s = opaque;
 | 
						|
 | 
						|
    kbd_put_ledstate(s->ledstate);
 | 
						|
    return 0;
 | 
						|
}
 | 
						|
 | 
						|
static const VMStateDescription vmstate_ps2_keyboard_ledstate = {
 | 
						|
    .name = "ps2kbd/ledstate",
 | 
						|
    .version_id = 3,
 | 
						|
    .minimum_version_id = 2,
 | 
						|
    .minimum_version_id_old = 2,
 | 
						|
    .post_load = ps2_kbd_ledstate_post_load,
 | 
						|
    .fields      = (VMStateField []) {
 | 
						|
        VMSTATE_INT32(ledstate, PS2KbdState),
 | 
						|
        VMSTATE_END_OF_LIST()
 | 
						|
    }
 | 
						|
};
 | 
						|
 | 
						|
static int ps2_kbd_post_load(void* opaque, int version_id)
 | 
						|
{
 | 
						|
    PS2KbdState *s = (PS2KbdState*)opaque;
 | 
						|
 | 
						|
    if (version_id == 2)
 | 
						|
        s->scancode_set=2;
 | 
						|
    return 0;
 | 
						|
}
 | 
						|
 | 
						|
static const VMStateDescription vmstate_ps2_keyboard = {
 | 
						|
    .name = "ps2kbd",
 | 
						|
    .version_id = 3,
 | 
						|
    .minimum_version_id = 2,
 | 
						|
    .minimum_version_id_old = 2,
 | 
						|
    .post_load = ps2_kbd_post_load,
 | 
						|
    .fields      = (VMStateField []) {
 | 
						|
        VMSTATE_STRUCT(common, PS2KbdState, 0, vmstate_ps2_common, PS2State),
 | 
						|
        VMSTATE_INT32(scan_enabled, PS2KbdState),
 | 
						|
        VMSTATE_INT32(translate, PS2KbdState),
 | 
						|
        VMSTATE_INT32_V(scancode_set, PS2KbdState,3),
 | 
						|
        VMSTATE_END_OF_LIST()
 | 
						|
    },
 | 
						|
    .subsections = (VMStateSubsection []) {
 | 
						|
        {
 | 
						|
            .vmsd = &vmstate_ps2_keyboard_ledstate,
 | 
						|
            .needed = ps2_keyboard_ledstate_needed,
 | 
						|
        }, {
 | 
						|
            /* empty */
 | 
						|
        }
 | 
						|
    }
 | 
						|
};
 | 
						|
 | 
						|
static const VMStateDescription vmstate_ps2_mouse = {
 | 
						|
    .name = "ps2mouse",
 | 
						|
    .version_id = 2,
 | 
						|
    .minimum_version_id = 2,
 | 
						|
    .minimum_version_id_old = 2,
 | 
						|
    .fields      = (VMStateField []) {
 | 
						|
        VMSTATE_STRUCT(common, PS2MouseState, 0, vmstate_ps2_common, PS2State),
 | 
						|
        VMSTATE_UINT8(mouse_status, PS2MouseState),
 | 
						|
        VMSTATE_UINT8(mouse_resolution, PS2MouseState),
 | 
						|
        VMSTATE_UINT8(mouse_sample_rate, PS2MouseState),
 | 
						|
        VMSTATE_UINT8(mouse_wrap, PS2MouseState),
 | 
						|
        VMSTATE_UINT8(mouse_type, PS2MouseState),
 | 
						|
        VMSTATE_UINT8(mouse_detect_state, PS2MouseState),
 | 
						|
        VMSTATE_INT32(mouse_dx, PS2MouseState),
 | 
						|
        VMSTATE_INT32(mouse_dy, PS2MouseState),
 | 
						|
        VMSTATE_INT32(mouse_dz, PS2MouseState),
 | 
						|
        VMSTATE_UINT8(mouse_buttons, PS2MouseState),
 | 
						|
        VMSTATE_END_OF_LIST()
 | 
						|
    }
 | 
						|
};
 | 
						|
 | 
						|
void *ps2_kbd_init(void (*update_irq)(void *, int), void *update_arg)
 | 
						|
{
 | 
						|
    PS2KbdState *s = (PS2KbdState *)g_malloc0(sizeof(PS2KbdState));
 | 
						|
 | 
						|
    s->common.update_irq = update_irq;
 | 
						|
    s->common.update_arg = update_arg;
 | 
						|
    s->scancode_set = 2;
 | 
						|
    vmstate_register(NULL, 0, &vmstate_ps2_keyboard, s);
 | 
						|
    qemu_add_kbd_event_handler(ps2_put_keycode, s);
 | 
						|
    qemu_register_reset(ps2_kbd_reset, s);
 | 
						|
    return s;
 | 
						|
}
 | 
						|
 | 
						|
void *ps2_mouse_init(void (*update_irq)(void *, int), void *update_arg)
 | 
						|
{
 | 
						|
    PS2MouseState *s = (PS2MouseState *)g_malloc0(sizeof(PS2MouseState));
 | 
						|
 | 
						|
    s->common.update_irq = update_irq;
 | 
						|
    s->common.update_arg = update_arg;
 | 
						|
    vmstate_register(NULL, 0, &vmstate_ps2_mouse, s);
 | 
						|
    qemu_add_mouse_event_handler(ps2_mouse_event, s, 0, "QEMU PS/2 Mouse");
 | 
						|
    qemu_register_reset(ps2_mouse_reset, s);
 | 
						|
    return s;
 | 
						|
}
 |