Adding qemu as a submodule of KVMFORNFV

This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>

1 files changed, 0 insertions, 813 deletions

diff --git a/qemu/hw/input/ps2.c b/qemu/hw/input/ps2.c
deleted file mode 100644
index a8aa36f5c..000000000
--- a/qemu/hw/input/ps2.c
+++ /dev/null
@@ -1,813 +0,0 @@
-/*
- * QEMU PS/2 keyboard/mouse emulation
- *
- * Copyright (c) 2003 Fabrice Bellard
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-#include "qemu/osdep.h"
-#include "hw/hw.h"
-#include "hw/input/ps2.h"
-#include "ui/console.h"
-#include "ui/input.h"
-#include "sysemu/sysemu.h"
-
-#include "trace.h"
-
-/* debug PC keyboard */
-//#define DEBUG_KBD
-
-/* debug PC keyboard : only mouse */
-//#define DEBUG_MOUSE
-
-/* Keyboard Commands */
-#define KBD_CMD_SET_LEDS	0xED	/* Set keyboard leds */
-#define KBD_CMD_ECHO     	0xEE
-#define KBD_CMD_SCANCODE	0xF0	/* Get/set scancode set */
-#define KBD_CMD_GET_ID 	        0xF2	/* get keyboard ID */
-#define KBD_CMD_SET_RATE	0xF3	/* Set typematic rate */
-#define KBD_CMD_ENABLE		0xF4	/* Enable scanning */
-#define KBD_CMD_RESET_DISABLE	0xF5	/* reset and disable scanning */
-#define KBD_CMD_RESET_ENABLE   	0xF6    /* reset and enable scanning */
-#define KBD_CMD_RESET		0xFF	/* Reset */
-
-/* Keyboard Replies */
-#define KBD_REPLY_POR		0xAA	/* Power on reset */
-#define KBD_REPLY_ID		0xAB	/* Keyboard ID */
-#define KBD_REPLY_ACK		0xFA	/* Command ACK */
-#define KBD_REPLY_RESEND	0xFE	/* Command NACK, send the cmd again */
-
-/* Mouse Commands */
-#define AUX_SET_SCALE11		0xE6	/* Set 1:1 scaling */
-#define AUX_SET_SCALE21		0xE7	/* Set 2:1 scaling */
-#define AUX_SET_RES		0xE8	/* Set resolution */
-#define AUX_GET_SCALE		0xE9	/* Get scaling factor */
-#define AUX_SET_STREAM		0xEA	/* Set stream mode */
-#define AUX_POLL		0xEB	/* Poll */
-#define AUX_RESET_WRAP		0xEC	/* Reset wrap mode */
-#define AUX_SET_WRAP		0xEE	/* Set wrap mode */
-#define AUX_SET_REMOTE		0xF0	/* Set remote mode */
-#define AUX_GET_TYPE		0xF2	/* Get type */
-#define AUX_SET_SAMPLE		0xF3	/* Set sample rate */
-#define AUX_ENABLE_DEV		0xF4	/* Enable aux device */
-#define AUX_DISABLE_DEV		0xF5	/* Disable aux device */
-#define AUX_SET_DEFAULT		0xF6
-#define AUX_RESET		0xFF	/* Reset aux device */
-#define AUX_ACK			0xFA	/* Command byte ACK. */
-
-#define MOUSE_STATUS_REMOTE     0x40
-#define MOUSE_STATUS_ENABLED    0x20
-#define MOUSE_STATUS_SCALE21    0x10
-
-#define PS2_QUEUE_SIZE 16  /* Buffer size required by PS/2 protocol */
-
-typedef struct {
-    /* Keep the data array 256 bytes long, which compatibility
-     with older qemu versions. */
-    uint8_t data[256];
-    int rptr, wptr, count;
-} PS2Queue;
-
-typedef struct {
-    PS2Queue queue;
-    int32_t write_cmd;
-    void (*update_irq)(void *, int);
-    void *update_arg;
-} PS2State;
-
-typedef struct {
-    PS2State common;
-    int scan_enabled;
-    /* QEMU uses translated PC scancodes internally.  To avoid multiple
-       conversions we do the translation (if any) in the PS/2 emulation
-       not the keyboard controller.  */
-    int translate;
-    int scancode_set; /* 1=XT, 2=AT, 3=PS/2 */
-    int ledstate;
-} PS2KbdState;
-
-typedef struct {
-    PS2State common;
-    uint8_t mouse_status;
-    uint8_t mouse_resolution;
-    uint8_t mouse_sample_rate;
-    uint8_t mouse_wrap;
-    uint8_t mouse_type; /* 0 = PS2, 3 = IMPS/2, 4 = IMEX */
-    uint8_t mouse_detect_state;
-    int mouse_dx; /* current values, needed for 'poll' mode */
-    int mouse_dy;
-    int mouse_dz;
-    uint8_t mouse_buttons;
-} PS2MouseState;
-
-/* Table to convert from PC scancodes to raw scancodes.  */
-static const unsigned char ps2_raw_keycode[128] = {
-  0, 118,  22,  30,  38,  37,  46,  54,  61,  62,  70,  69,  78,  85, 102,  13,
- 21,  29,  36,  45,  44,  53,  60,  67,  68,  77,  84,  91,  90,  20,  28,  27,
- 35,  43,  52,  51,  59,  66,  75,  76,  82,  14,  18,  93,  26,  34,  33,  42,
- 50,  49,  58,  65,  73,  74,  89, 124,  17,  41,  88,   5,   6,   4,  12,   3,
- 11,   2,  10,   1,   9, 119, 126, 108, 117, 125, 123, 107, 115, 116, 121, 105,
-114, 122, 112, 113, 127,  96,  97, 120,   7,  15,  23,  31,  39,  47,  55,  63,
- 71,  79,  86,  94,   8,  16,  24,  32,  40,  48,  56,  64,  72,  80,  87, 111,
- 19,  25,  57,  81,  83,  92,  95,  98,  99, 100, 101, 103, 104, 106, 109, 110
-};
-static const unsigned char ps2_raw_keycode_set3[128] = {
-  0,   8,  22,  30,  38,  37,  46,  54,  61,  62,  70,  69,  78,  85, 102,  13,
- 21,  29,  36,  45,  44,  53,  60,  67,  68,  77,  84,  91,  90,  17,  28,  27,
- 35,  43,  52,  51,  59,  66,  75,  76,  82,  14,  18,  92,  26,  34,  33,  42,
- 50,  49,  58,  65,  73,  74,  89, 126,  25,  41,  20,   7,  15,  23,  31,  39,
- 47,   2,  63,  71,  79, 118,  95, 108, 117, 125, 132, 107, 115, 116, 124, 105,
-114, 122, 112, 113, 127,  96,  97,  86,  94,  15,  23,  31,  39,  47,  55,  63,
- 71,  79,  86,  94,   8,  16,  24,  32,  40,  48,  56,  64,  72,  80,  87, 111,
- 19,  25,  57,  81,  83,  92,  95,  98,  99, 100, 101, 103, 104, 106, 109, 110
-};
-
-void ps2_queue(void *opaque, int b)
-{
-    PS2State *s = (PS2State *)opaque;
-    PS2Queue *q = &s->queue;
-
-    if (q->count >= PS2_QUEUE_SIZE - 1)
-        return;
-    q->data[q->wptr] = b;
-    if (++q->wptr == PS2_QUEUE_SIZE)
-        q->wptr = 0;
-    q->count++;
-    s->update_irq(s->update_arg, 1);
-}
-
-/*
-   keycode is expressed as follow:
-   bit 7    - 0 key pressed, 1 = key released
-   bits 6-0 - translated scancode set 2
- */
-static void ps2_put_keycode(void *opaque, int keycode)
-{
-    PS2KbdState *s = opaque;
-
-    trace_ps2_put_keycode(opaque, keycode);
-    qemu_system_wakeup_request(QEMU_WAKEUP_REASON_OTHER);
-    /* XXX: add support for scancode set 1 */
-    if (!s->translate && keycode < 0xe0 && s->scancode_set > 1) {
-        if (keycode & 0x80) {
-            ps2_queue(&s->common, 0xf0);
-        }
-        if (s->scancode_set == 2) {
-            keycode = ps2_raw_keycode[keycode & 0x7f];
-        } else if (s->scancode_set == 3) {
-            keycode = ps2_raw_keycode_set3[keycode & 0x7f];
-        }
-      }
-    ps2_queue(&s->common, keycode);
-}
-
-static void ps2_keyboard_event(DeviceState *dev, QemuConsole *src,
-                               InputEvent *evt)
-{
-    PS2KbdState *s = (PS2KbdState *)dev;
-    int scancodes[3], i, count;
-    InputKeyEvent *key = evt->u.key.data;
-
-    qemu_system_wakeup_request(QEMU_WAKEUP_REASON_OTHER);
-    count = qemu_input_key_value_to_scancode(key->key,
-                                             key->down,
-                                             scancodes);
-    for (i = 0; i < count; i++) {
-        ps2_put_keycode(s, scancodes[i]);
-    }
-}
-
-uint32_t ps2_read_data(void *opaque)
-{
-    PS2State *s = (PS2State *)opaque;
-    PS2Queue *q;
-    int val, index;
-
-    trace_ps2_read_data(opaque);
-    q = &s->queue;
-    if (q->count == 0) {
-        /* NOTE: if no data left, we return the last keyboard one
-           (needed for EMM386) */
-        /* XXX: need a timer to do things correctly */
-        index = q->rptr - 1;
-        if (index < 0)
-            index = PS2_QUEUE_SIZE - 1;
-        val = q->data[index];
-    } else {
-        val = q->data[q->rptr];
-        if (++q->rptr == PS2_QUEUE_SIZE)
-            q->rptr = 0;
-        q->count--;
-        /* reading deasserts IRQ */
-        s->update_irq(s->update_arg, 0);
-        /* reassert IRQs if data left */
-        s->update_irq(s->update_arg, q->count != 0);
-    }
-    return val;
-}
-
-static void ps2_set_ledstate(PS2KbdState *s, int ledstate)
-{
-    trace_ps2_set_ledstate(s, ledstate);
-    s->ledstate = ledstate;
-    kbd_put_ledstate(ledstate);
-}
-
-static void ps2_reset_keyboard(PS2KbdState *s)
-{
-    trace_ps2_reset_keyboard(s);
-    s->scan_enabled = 1;
-    s->scancode_set = 2;
-    ps2_set_ledstate(s, 0);
-}
-
-void ps2_write_keyboard(void *opaque, int val)
-{
-    PS2KbdState *s = (PS2KbdState *)opaque;
-
-    trace_ps2_write_keyboard(opaque, val);
-    switch(s->common.write_cmd) {
-    default:
-    case -1:
-        switch(val) {
-        case 0x00:
-            ps2_queue(&s->common, KBD_REPLY_ACK);
-            break;
-        case 0x05:
-            ps2_queue(&s->common, KBD_REPLY_RESEND);
-            break;
-        case KBD_CMD_GET_ID:
-            ps2_queue(&s->common, KBD_REPLY_ACK);
-            /* We emulate a MF2 AT keyboard here */
-            ps2_queue(&s->common, KBD_REPLY_ID);
-            if (s->translate)
-                ps2_queue(&s->common, 0x41);
-            else
-                ps2_queue(&s->common, 0x83);
-            break;
-        case KBD_CMD_ECHO:
-            ps2_queue(&s->common, KBD_CMD_ECHO);
-            break;
-        case KBD_CMD_ENABLE:
-            s->scan_enabled = 1;
-            ps2_queue(&s->common, KBD_REPLY_ACK);
-            break;
-        case KBD_CMD_SCANCODE:
-        case KBD_CMD_SET_LEDS:
-        case KBD_CMD_SET_RATE:
-            s->common.write_cmd = val;
-            ps2_queue(&s->common, KBD_REPLY_ACK);
-            break;
-        case KBD_CMD_RESET_DISABLE:
-            ps2_reset_keyboard(s);
-            s->scan_enabled = 0;
-            ps2_queue(&s->common, KBD_REPLY_ACK);
-            break;
-        case KBD_CMD_RESET_ENABLE:
-            ps2_reset_keyboard(s);
-            s->scan_enabled = 1;
-            ps2_queue(&s->common, KBD_REPLY_ACK);
-            break;
-        case KBD_CMD_RESET:
-            ps2_reset_keyboard(s);
-            ps2_queue(&s->common, KBD_REPLY_ACK);
-            ps2_queue(&s->common, KBD_REPLY_POR);
-            break;
-        default:
-            ps2_queue(&s->common, KBD_REPLY_ACK);
-            break;
-        }
-        break;
-    case KBD_CMD_SCANCODE:
-        if (val == 0) {
-            if (s->scancode_set == 1)
-                ps2_put_keycode(s, 0x43);
-            else if (s->scancode_set == 2)
-                ps2_put_keycode(s, 0x41);
-            else if (s->scancode_set == 3)
-                ps2_put_keycode(s, 0x3f);
-        } else {
-            if (val >= 1 && val <= 3)
-                s->scancode_set = val;
-            ps2_queue(&s->common, KBD_REPLY_ACK);
-        }
-        s->common.write_cmd = -1;
-        break;
-    case KBD_CMD_SET_LEDS:
-        ps2_set_ledstate(s, val);
-        ps2_queue(&s->common, KBD_REPLY_ACK);
-        s->common.write_cmd = -1;
-        break;
-    case KBD_CMD_SET_RATE:
-        ps2_queue(&s->common, KBD_REPLY_ACK);
-        s->common.write_cmd = -1;
-        break;
-    }
-}
-
-/* Set the scancode translation mode.
-   0 = raw scancodes.
-   1 = translated scancodes (used by qemu internally).  */
-
-void ps2_keyboard_set_translation(void *opaque, int mode)
-{
-    PS2KbdState *s = (PS2KbdState *)opaque;
-    trace_ps2_keyboard_set_translation(opaque, mode);
-    s->translate = mode;
-}
-
-static void ps2_mouse_send_packet(PS2MouseState *s)
-{
-    unsigned int b;
-    int dx1, dy1, dz1;
-
-    dx1 = s->mouse_dx;
-    dy1 = s->mouse_dy;
-    dz1 = s->mouse_dz;
-    /* XXX: increase range to 8 bits ? */
-    if (dx1 > 127)
-        dx1 = 127;
-    else if (dx1 < -127)
-        dx1 = -127;
-    if (dy1 > 127)
-        dy1 = 127;
-    else if (dy1 < -127)
-        dy1 = -127;
-    b = 0x08 | ((dx1 < 0) << 4) | ((dy1 < 0) << 5) | (s->mouse_buttons & 0x07);
-    ps2_queue(&s->common, b);
-    ps2_queue(&s->common, dx1 & 0xff);
-    ps2_queue(&s->common, dy1 & 0xff);
-    /* extra byte for IMPS/2 or IMEX */
-    switch(s->mouse_type) {
-    default:
-        break;
-    case 3:
-        if (dz1 > 127)
-            dz1 = 127;
-        else if (dz1 < -127)
-                dz1 = -127;
-        ps2_queue(&s->common, dz1 & 0xff);
-        break;
-    case 4:
-        if (dz1 > 7)
-            dz1 = 7;
-        else if (dz1 < -7)
-            dz1 = -7;
-        b = (dz1 & 0x0f) | ((s->mouse_buttons & 0x18) << 1);
-        ps2_queue(&s->common, b);
-        break;
-    }
-
-    trace_ps2_mouse_send_packet(s, dx1, dy1, dz1, b);
-    /* update deltas */
-    s->mouse_dx -= dx1;
-    s->mouse_dy -= dy1;
-    s->mouse_dz -= dz1;
-}
-
-static void ps2_mouse_event(DeviceState *dev, QemuConsole *src,
-                            InputEvent *evt)
-{
-    static const int bmap[INPUT_BUTTON__MAX] = {
-        [INPUT_BUTTON_LEFT]   = MOUSE_EVENT_LBUTTON,
-        [INPUT_BUTTON_MIDDLE] = MOUSE_EVENT_MBUTTON,
-        [INPUT_BUTTON_RIGHT]  = MOUSE_EVENT_RBUTTON,
-    };
-    PS2MouseState *s = (PS2MouseState *)dev;
-    InputMoveEvent *move;
-    InputBtnEvent *btn;
-
-    /* check if deltas are recorded when disabled */
-    if (!(s->mouse_status & MOUSE_STATUS_ENABLED))
-        return;
-
-    switch (evt->type) {
-    case INPUT_EVENT_KIND_REL:
-        move = evt->u.rel.data;
-        if (move->axis == INPUT_AXIS_X) {
-            s->mouse_dx += move->value;
-        } else if (move->axis == INPUT_AXIS_Y) {
-            s->mouse_dy -= move->value;
-        }
-        break;
-
-    case INPUT_EVENT_KIND_BTN:
-        btn = evt->u.btn.data;
-        if (btn->down) {
-            s->mouse_buttons |= bmap[btn->button];
-            if (btn->button == INPUT_BUTTON_WHEEL_UP) {
-                s->mouse_dz--;
-            } else if (btn->button == INPUT_BUTTON_WHEEL_DOWN) {
-                s->mouse_dz++;
-            }
-        } else {
-            s->mouse_buttons &= ~bmap[btn->button];
-        }
-        break;
-
-    default:
-        /* keep gcc happy */
-        break;
-    }
-}
-
-static void ps2_mouse_sync(DeviceState *dev)
-{
-    PS2MouseState *s = (PS2MouseState *)dev;
-
-    if (s->mouse_buttons) {
-        qemu_system_wakeup_request(QEMU_WAKEUP_REASON_OTHER);
-    }
-    if (!(s->mouse_status & MOUSE_STATUS_REMOTE)) {
-        while (s->common.queue.count < PS2_QUEUE_SIZE - 4) {
-            /* if not remote, send event. Multiple events are sent if
-               too big deltas */
-            ps2_mouse_send_packet(s);
-            if (s->mouse_dx == 0 && s->mouse_dy == 0 && s->mouse_dz == 0)
-                break;
-        }
-    }
-}
-
-void ps2_mouse_fake_event(void *opaque)
-{
-    PS2MouseState *s = opaque;
-    trace_ps2_mouse_fake_event(opaque);
-    s->mouse_dx++;
-    ps2_mouse_sync(opaque);
-}
-
-void ps2_write_mouse(void *opaque, int val)
-{
-    PS2MouseState *s = (PS2MouseState *)opaque;
-
-    trace_ps2_write_mouse(opaque, val);
-#ifdef DEBUG_MOUSE
-    printf("kbd: write mouse 0x%02x\n", val);
-#endif
-    switch(s->common.write_cmd) {
-    default:
-    case -1:
-        /* mouse command */
-        if (s->mouse_wrap) {
-            if (val == AUX_RESET_WRAP) {
-                s->mouse_wrap = 0;
-                ps2_queue(&s->common, AUX_ACK);
-                return;
-            } else if (val != AUX_RESET) {
-                ps2_queue(&s->common, val);
-                return;
-            }
-        }
-        switch(val) {
-        case AUX_SET_SCALE11:
-            s->mouse_status &= ~MOUSE_STATUS_SCALE21;
-            ps2_queue(&s->common, AUX_ACK);
-            break;
-        case AUX_SET_SCALE21:
-            s->mouse_status |= MOUSE_STATUS_SCALE21;
-            ps2_queue(&s->common, AUX_ACK);
-            break;
-        case AUX_SET_STREAM:
-            s->mouse_status &= ~MOUSE_STATUS_REMOTE;
-            ps2_queue(&s->common, AUX_ACK);
-            break;
-        case AUX_SET_WRAP:
-            s->mouse_wrap = 1;
-            ps2_queue(&s->common, AUX_ACK);
-            break;
-        case AUX_SET_REMOTE:
-            s->mouse_status |= MOUSE_STATUS_REMOTE;
-            ps2_queue(&s->common, AUX_ACK);
-            break;
-        case AUX_GET_TYPE:
-            ps2_queue(&s->common, AUX_ACK);
-            ps2_queue(&s->common, s->mouse_type);
-            break;
-        case AUX_SET_RES:
-        case AUX_SET_SAMPLE:
-            s->common.write_cmd = val;
-            ps2_queue(&s->common, AUX_ACK);
-            break;
-        case AUX_GET_SCALE:
-            ps2_queue(&s->common, AUX_ACK);
-            ps2_queue(&s->common, s->mouse_status);
-            ps2_queue(&s->common, s->mouse_resolution);
-            ps2_queue(&s->common, s->mouse_sample_rate);
-            break;
-        case AUX_POLL:
-            ps2_queue(&s->common, AUX_ACK);
-            ps2_mouse_send_packet(s);
-            break;
-        case AUX_ENABLE_DEV:
-            s->mouse_status |= MOUSE_STATUS_ENABLED;
-            ps2_queue(&s->common, AUX_ACK);
-            break;
-        case AUX_DISABLE_DEV:
-            s->mouse_status &= ~MOUSE_STATUS_ENABLED;
-            ps2_queue(&s->common, AUX_ACK);
-            break;
-        case AUX_SET_DEFAULT:
-            s->mouse_sample_rate = 100;
-            s->mouse_resolution = 2;
-            s->mouse_status = 0;
-            ps2_queue(&s->common, AUX_ACK);
-            break;
-        case AUX_RESET:
-            s->mouse_sample_rate = 100;
-            s->mouse_resolution = 2;
-            s->mouse_status = 0;
-            s->mouse_type = 0;
-            ps2_queue(&s->common, AUX_ACK);
-            ps2_queue(&s->common, 0xaa);
-            ps2_queue(&s->common, s->mouse_type);
-            break;
-        default:
-            break;
-        }
-        break;
-    case AUX_SET_SAMPLE:
-        s->mouse_sample_rate = val;
-        /* detect IMPS/2 or IMEX */
-        switch(s->mouse_detect_state) {
-        default:
-        case 0:
-            if (val == 200)
-                s->mouse_detect_state = 1;
-            break;
-        case 1:
-            if (val == 100)
-                s->mouse_detect_state = 2;
-            else if (val == 200)
-                s->mouse_detect_state = 3;
-            else
-                s->mouse_detect_state = 0;
-            break;
-        case 2:
-            if (val == 80)
-                s->mouse_type = 3; /* IMPS/2 */
-            s->mouse_detect_state = 0;
-            break;
-        case 3:
-            if (val == 80)
-                s->mouse_type = 4; /* IMEX */
-            s->mouse_detect_state = 0;
-            break;
-        }
-        ps2_queue(&s->common, AUX_ACK);
-        s->common.write_cmd = -1;
-        break;
-    case AUX_SET_RES:
-        s->mouse_resolution = val;
-        ps2_queue(&s->common, AUX_ACK);
-        s->common.write_cmd = -1;
-        break;
-    }
-}
-
-static void ps2_common_reset(PS2State *s)
-{
-    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_common_post_load(PS2State *s)
-{
-    PS2Queue *q = &s->queue;
-    int size;
-    int i;
-    int tmp_data[PS2_QUEUE_SIZE];
-
-    /* set the useful data buffer queue size, < PS2_QUEUE_SIZE */
-    size = q->count > PS2_QUEUE_SIZE ? 0 : q->count;
-
-    /* move the queue elements to the start of data array */
-    if (size > 0) {
-        for (i = 0; i < size; i++) {
-            /* move the queue elements to the temporary buffer */
-            tmp_data[i] = q->data[q->rptr];
-            if (++q->rptr == 256) {
-                q->rptr = 0;
-            }
-        }
-        memcpy(q->data, tmp_data, size);
-    }
-    /* reset rptr/wptr/count */
-    q->rptr = 0;
-    q->wptr = size;
-    q->count = size;
-    s->update_irq(s->update_arg, q->count != 0);
-}
-
-static void ps2_kbd_reset(void *opaque)
-{
-    PS2KbdState *s = (PS2KbdState *) opaque;
-
-    trace_ps2_kbd_reset(opaque);
-    ps2_common_reset(&s->common);
-    s->scan_enabled = 0;
-    s->translate = 0;
-    s->scancode_set = 2;
-}
-
-static void ps2_mouse_reset(void *opaque)
-{
-    PS2MouseState *s = (PS2MouseState *) opaque;
-
-    trace_ps2_mouse_reset(opaque);
-    ps2_common_reset(&s->common);
-    s->mouse_status = 0;
-    s->mouse_resolution = 0;
-    s->mouse_sample_rate = 0;
-    s->mouse_wrap = 0;
-    s->mouse_type = 0;
-    s->mouse_detect_state = 0;
-    s->mouse_dx = 0;
-    s->mouse_dy = 0;
-    s->mouse_dz = 0;
-    s->mouse_buttons = 0;
-}
-
-static const VMStateDescription vmstate_ps2_common = {
-    .name = "PS2 Common State",
-    .version_id = 3,
-    .minimum_version_id = 2,
-    .fields = (VMStateField[]) {
-        VMSTATE_INT32(write_cmd, PS2State),
-        VMSTATE_INT32(queue.rptr, PS2State),
-        VMSTATE_INT32(queue.wptr, PS2State),
-        VMSTATE_INT32(queue.count, PS2State),
-        VMSTATE_BUFFER(queue.data, PS2State),
-        VMSTATE_END_OF_LIST()
-    }
-};
-
-static bool ps2_keyboard_ledstate_needed(void *opaque)
-{
-    PS2KbdState *s = opaque;
-
-    return s->ledstate != 0; /* 0 is default state */
-}
-
-static int ps2_kbd_ledstate_post_load(void *opaque, int version_id)
-{
-    PS2KbdState *s = opaque;
-
-    kbd_put_ledstate(s->ledstate);
-    return 0;
-}
-
-static const VMStateDescription vmstate_ps2_keyboard_ledstate = {
-    .name = "ps2kbd/ledstate",
-    .version_id = 3,
-    .minimum_version_id = 2,
-    .post_load = ps2_kbd_ledstate_post_load,
-    .needed = ps2_keyboard_ledstate_needed,
-    .fields = (VMStateField[]) {
-        VMSTATE_INT32(ledstate, PS2KbdState),
-        VMSTATE_END_OF_LIST()
-    }
-};
-
-static int ps2_kbd_post_load(void* opaque, int version_id)
-{
-    PS2KbdState *s = (PS2KbdState*)opaque;
-    PS2State *ps2 = &s->common;
-
-    if (version_id == 2)
-        s->scancode_set=2;
-
-    ps2_common_post_load(ps2);
-
-    return 0;
-}
-
-static void ps2_kbd_pre_save(void *opaque)
-{
-    PS2KbdState *s = (PS2KbdState *)opaque;
-    PS2State *ps2 = &s->common;
-
-    ps2_common_post_load(ps2);
-}
-
-static const VMStateDescription vmstate_ps2_keyboard = {
-    .name = "ps2kbd",
-    .version_id = 3,
-    .minimum_version_id = 2,
-    .post_load = ps2_kbd_post_load,
-    .pre_save = ps2_kbd_pre_save,
-    .fields = (VMStateField[]) {
-        VMSTATE_STRUCT(common, PS2KbdState, 0, vmstate_ps2_common, PS2State),
-        VMSTATE_INT32(scan_enabled, PS2KbdState),
-        VMSTATE_INT32(translate, PS2KbdState),
-        VMSTATE_INT32_V(scancode_set, PS2KbdState,3),
-        VMSTATE_END_OF_LIST()
-    },
-    .subsections = (const VMStateDescription*[]) {
-        &vmstate_ps2_keyboard_ledstate,
-        NULL
-    }
-};
-
-static int ps2_mouse_post_load(void *opaque, int version_id)
-{
-    PS2MouseState *s = (PS2MouseState *)opaque;
-    PS2State *ps2 = &s->common;
-
-    ps2_common_post_load(ps2);
-
-    return 0;
-}
-
-static void ps2_mouse_pre_save(void *opaque)
-{
-    PS2MouseState *s = (PS2MouseState *)opaque;
-    PS2State *ps2 = &s->common;
-
-    ps2_common_post_load(ps2);
-}
-
-static const VMStateDescription vmstate_ps2_mouse = {
-    .name = "ps2mouse",
-    .version_id = 2,
-    .minimum_version_id = 2,
-    .post_load = ps2_mouse_post_load,
-    .pre_save = ps2_mouse_pre_save,
-    .fields = (VMStateField[]) {
-        VMSTATE_STRUCT(common, PS2MouseState, 0, vmstate_ps2_common, PS2State),
-        VMSTATE_UINT8(mouse_status, PS2MouseState),
-        VMSTATE_UINT8(mouse_resolution, PS2MouseState),
-        VMSTATE_UINT8(mouse_sample_rate, PS2MouseState),
-        VMSTATE_UINT8(mouse_wrap, PS2MouseState),
-        VMSTATE_UINT8(mouse_type, PS2MouseState),
-        VMSTATE_UINT8(mouse_detect_state, PS2MouseState),
-        VMSTATE_INT32(mouse_dx, PS2MouseState),
-        VMSTATE_INT32(mouse_dy, PS2MouseState),
-        VMSTATE_INT32(mouse_dz, PS2MouseState),
-        VMSTATE_UINT8(mouse_buttons, PS2MouseState),
-        VMSTATE_END_OF_LIST()
-    }
-};
-
-static QemuInputHandler ps2_keyboard_handler = {
-    .name  = "QEMU PS/2 Keyboard",
-    .mask  = INPUT_EVENT_MASK_KEY,
-    .event = ps2_keyboard_event,
-};
-
-void *ps2_kbd_init(void (*update_irq)(void *, int), void *update_arg)
-{
-    PS2KbdState *s = (PS2KbdState *)g_malloc0(sizeof(PS2KbdState));
-
-    trace_ps2_kbd_init(s);
-    s->common.update_irq = update_irq;
-    s->common.update_arg = update_arg;
-    s->scancode_set = 2;
-    vmstate_register(NULL, 0, &vmstate_ps2_keyboard, s);
-    qemu_input_handler_register((DeviceState *)s,
-                                &ps2_keyboard_handler);
-    qemu_register_reset(ps2_kbd_reset, s);
-    return s;
-}
-
-static QemuInputHandler ps2_mouse_handler = {
-    .name  = "QEMU PS/2 Mouse",
-    .mask  = INPUT_EVENT_MASK_BTN | INPUT_EVENT_MASK_REL,
-    .event = ps2_mouse_event,
-    .sync  = ps2_mouse_sync,
-};
-
-void *ps2_mouse_init(void (*update_irq)(void *, int), void *update_arg)
-{
-    PS2MouseState *s = (PS2MouseState *)g_malloc0(sizeof(PS2MouseState));
-
-    trace_ps2_mouse_init(s);
-    s->common.update_irq = update_irq;
-    s->common.update_arg = update_arg;
-    vmstate_register(NULL, 0, &vmstate_ps2_mouse, s);
-    qemu_input_handler_register((DeviceState *)s,
-                                &ps2_mouse_handler);
-    qemu_register_reset(ps2_mouse_reset, s);
-    return s;
-}