/*
* 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
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 {
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;
static void ps2_put_keycode(void *opaque, int keycode)
{
- PS2MouseState *s = opaque;
+ 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);
}
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
}
}
+/* 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;
s->mouse_dz -= dz1;
}
-static void ps2_mouse_event(void *opaque,
+static void ps2_mouse_event(void *opaque,
int dx, int dy, int dz, int buttons_state)
{
PS2MouseState *s = opaque;
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(;;) {
}
}
+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;
s->mouse_detect_state = 0;
break;
case 2:
- if (val == 80)
+ if (val == 80)
s->mouse_type = 3; /* IMPS/2 */
s->mouse_detect_state = 0;
break;
case 3:
- if (val == 80)
+ if (val == 80)
s->mouse_type = 4; /* IMEX */
s->mouse_detect_state = 0;
break;
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;
-
- qemu_put_be32s(f, &s->common.write_cmd);
+
+ 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;
-
- qemu_put_be32s(f, &s->common.write_cmd);
+
+ 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);
static int ps2_kbd_load(QEMUFile* f, void* opaque, int version_id)
{
PS2KbdState *s = (PS2KbdState*)opaque;
-
- if (version_id != 1)
+
+ if (version_id != 2)
return -EINVAL;
- qemu_get_be32s(f, &s->common.write_cmd);
+
+ 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 != 1)
+
+ if (version_id != 2)
return -EINVAL;
- qemu_get_be32s(f, &s->common.write_cmd);
+
+ 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);
s->common.update_irq = update_irq;
s->common.update_arg = update_arg;
ps2_reset(&s->common);
- register_savevm("ps2kbd", 0, 1, ps2_kbd_save, ps2_kbd_load, s);
+ 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;
s->common.update_irq = update_irq;
s->common.update_arg = update_arg;
ps2_reset(&s->common);
- register_savevm("ps2mouse", 0, 1, ps2_mouse_save, ps2_mouse_load, s);
- qemu_add_mouse_event_handler(ps2_mouse_event, s);
+ register_savevm("ps2mouse", 0, 2, ps2_mouse_save, ps2_mouse_load, s);
+ qemu_add_mouse_event_handler(ps2_mouse_event, s, 0, "QEMU PS/2 Mouse");
qemu_register_reset(ps2_reset, &s->common);
return s;
}
projects / qemu / blobdiff