Initial Contribution

1 files changed, 0 insertions, 566 deletions

diff --git a/hw/ps2.c b/hw/ps2.c
deleted file mode 100644
index 8438a5e..0000000
--- a/hw/ps2.c
+++ /dev/null
@@ -1,566 +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 "vl.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_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_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 256
-
-typedef struct {
-    uint8_t data[PS2_QUEUE_SIZE];
-    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;
-} 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
-};
-
-void ps2_queue(void *opaque, int b)
-{
-    PS2State *s = (PS2State *)opaque;
-    PS2Queue *q = &s->queue;
-
-    if (q->count >= PS2_QUEUE_SIZE)
-        return;
-    q->data[q->wptr] = b;
-    if (++q->wptr == PS2_QUEUE_SIZE)
-        q->wptr = 0;
-    q->count++;
-    s->update_irq(s->update_arg, 1);
-}
-
-static void ps2_put_keycode(void *opaque, int keycode)
-{
-    PS2KbdState *s = opaque;
-    if (!s->translate && keycode < 0xe0)
-      {
-        if (keycode & 0x80)
-            ps2_queue(&s->common, 0xf0);
-        keycode = ps2_raw_keycode[keycode & 0x7f];
-      }
-    ps2_queue(&s->common, keycode);
-}
-
-uint32_t ps2_read_data(void *opaque)
-{
-    PS2State *s = (PS2State *)opaque;
-    PS2Queue *q;
-    int val, index;
-    
-    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_reset_keyboard(PS2KbdState *s)
-{
-    s->scan_enabled = 1;
-}
-
-void ps2_write_keyboard(void *opaque, int val)
-{
-    PS2KbdState *s = (PS2KbdState *)opaque;
-
-    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);
-            ps2_queue(&s->common, 0xab);
-            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_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_SET_LEDS:
-        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;
-    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;
-    }
-
-    /* update deltas */
-    s->mouse_dx -= dx1;
-    s->mouse_dy -= dy1;
-    s->mouse_dz -= dz1;
-}
-
-static void ps2_mouse_event(void *opaque, 
-                            int dx, int dy, int dz, int buttons_state)
-{
-    PS2MouseState *s = opaque;
-
-    /* check if deltas are recorded when disabled */
-    if (!(s->mouse_status & MOUSE_STATUS_ENABLED))
-        return;
-
-    s->mouse_dx += dx;
-    s->mouse_dy -= dy;
-    s->mouse_dz += dz;
-    /* XXX: SDL sometimes generates nul events: we delete them */
-    if (s->mouse_dx == 0 && s->mouse_dy == 0 && s->mouse_dz == 0 &&
-        s->mouse_buttons == buttons_state)
-	return;
-    s->mouse_buttons = buttons_state;
-    
-    if (!(s->mouse_status & MOUSE_STATUS_REMOTE) &&
-        (s->common.queue.count < (PS2_QUEUE_SIZE - 16))) {
-        for(;;) {
-            /* 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_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_reset(void *opaque)
-{
-    PS2State *s = (PS2State *)opaque;
-    PS2Queue *q;
-    s->write_cmd = -1;
-    q = &s->queue;
-    q->rptr = 0;
-    q->wptr = 0;
-    q->count = 0;
-}
-
-static void ps2_common_save (QEMUFile *f, PS2State *s)
-{
-    qemu_put_be32s (f, &s->write_cmd);
-    qemu_put_be32s (f, &s->queue.rptr);
-    qemu_put_be32s (f, &s->queue.wptr);
-    qemu_put_be32s (f, &s->queue.count);
-    qemu_put_buffer (f, s->queue.data, sizeof (s->queue.data));
-}
-
-static void ps2_common_load (QEMUFile *f, PS2State *s)
-{
-    qemu_get_be32s (f, &s->write_cmd);
-    qemu_get_be32s (f, &s->queue.rptr);
-    qemu_get_be32s (f, &s->queue.wptr);
-    qemu_get_be32s (f, &s->queue.count);
-    qemu_get_buffer (f, s->queue.data, sizeof (s->queue.data));
-}
-
-static void ps2_kbd_save(QEMUFile* f, void* opaque)
-{
-    PS2KbdState *s = (PS2KbdState*)opaque;
-
-    ps2_common_save (f, &s->common);
-    qemu_put_be32s(f, &s->scan_enabled);
-    qemu_put_be32s(f, &s->translate);
-}
-
-static void ps2_mouse_save(QEMUFile* f, void* opaque)
-{
-    PS2MouseState *s = (PS2MouseState*)opaque;
-
-    ps2_common_save (f, &s->common);
-    qemu_put_8s(f, &s->mouse_status);
-    qemu_put_8s(f, &s->mouse_resolution);
-    qemu_put_8s(f, &s->mouse_sample_rate);
-    qemu_put_8s(f, &s->mouse_wrap);
-    qemu_put_8s(f, &s->mouse_type);
-    qemu_put_8s(f, &s->mouse_detect_state);
-    qemu_put_be32s(f, &s->mouse_dx);
-    qemu_put_be32s(f, &s->mouse_dy);
-    qemu_put_be32s(f, &s->mouse_dz);
-    qemu_put_8s(f, &s->mouse_buttons);
-}
-
-static int ps2_kbd_load(QEMUFile* f, void* opaque, int version_id)
-{
-    PS2KbdState *s = (PS2KbdState*)opaque;
-
-    if (version_id != 2)
-        return -EINVAL;
-
-    ps2_common_load (f, &s->common);
-    qemu_get_be32s(f, &s->scan_enabled);
-    qemu_get_be32s(f, &s->translate);
-    return 0;
-}
-
-static int ps2_mouse_load(QEMUFile* f, void* opaque, int version_id)
-{
-    PS2MouseState *s = (PS2MouseState*)opaque;
-
-    if (version_id != 2)
-        return -EINVAL;
-
-    ps2_common_load (f, &s->common);
-    qemu_get_8s(f, &s->mouse_status);
-    qemu_get_8s(f, &s->mouse_resolution);
-    qemu_get_8s(f, &s->mouse_sample_rate);
-    qemu_get_8s(f, &s->mouse_wrap);
-    qemu_get_8s(f, &s->mouse_type);
-    qemu_get_8s(f, &s->mouse_detect_state);
-    qemu_get_be32s(f, &s->mouse_dx);
-    qemu_get_be32s(f, &s->mouse_dy);
-    qemu_get_be32s(f, &s->mouse_dz);
-    qemu_get_8s(f, &s->mouse_buttons);
-    return 0;
-}
-
-void *ps2_kbd_init(void (*update_irq)(void *, int), void *update_arg)
-{
-    PS2KbdState *s = (PS2KbdState *)qemu_mallocz(sizeof(PS2KbdState));
-
-    s->common.update_irq = update_irq;
-    s->common.update_arg = update_arg;
-    ps2_reset(&s->common);
-    register_savevm("ps2kbd", 0, 2, ps2_kbd_save, ps2_kbd_load, s);
-    qemu_add_kbd_event_handler(ps2_put_keycode, s);
-    qemu_register_reset(ps2_reset, &s->common);
-    return s;
-}
-
-void *ps2_mouse_init(void (*update_irq)(void *, int), void *update_arg)
-{
-    PS2MouseState *s = (PS2MouseState *)qemu_mallocz(sizeof(PS2MouseState));
-
-    s->common.update_irq = update_irq;
-    s->common.update_arg = update_arg;
-    ps2_reset(&s->common);
-    register_savevm("ps2mouse", 0, 2, ps2_mouse_save, ps2_mouse_load, s);
-    qemu_add_mouse_event_handler(ps2_mouse_event, s, 0);
-    qemu_register_reset(ps2_reset, &s->common);
-    return s;
-}