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Initialize PS2 keyboard / mouse state on reset 

Currently only common PS2 state is initialized, leaving keyboard and
mouse specific state to contain stale values.

Signed-off-by: Dinesh Subhraveti <dineshs@us.ibm.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Dinesh Subhraveti 2009-07-14 18:30:53 -07:00 committed by Anthony Liguori
parent 0bb05eaff0
commit ef74679a81
1 changed files with 32 additions and 6 deletions
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38
hw/ps2.c
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@ -488,9 +488,8 @@ void ps2_write_mouse(void *opaque, int val)
}
}
static void ps2_reset(void *opaque)
static void ps2_common_reset(PS2State *s)
{
PS2State *s = (PS2State *)opaque;
PS2Queue *q;
s->write_cmd = -1;
q = &s->queue;
@ -500,6 +499,33 @@ static void ps2_reset(void *opaque)
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 void ps2_common_save (QEMUFile *f, PS2State *s)
{
qemu_put_be32 (f, s->write_cmd);
@ -590,10 +616,10 @@ void *ps2_kbd_init(void (*update_irq)(void *, int), void *update_arg)
s->common.update_irq = update_irq;
s->common.update_arg = update_arg;
s->scancode_set = 2;
ps2_reset(&s->common);
ps2_kbd_reset(s);
register_savevm("ps2kbd", 0, 3, ps2_kbd_save, ps2_kbd_load, s);
qemu_add_kbd_event_handler(ps2_put_keycode, s);
qemu_register_reset(ps2_reset, &s->common);
qemu_register_reset(ps2_kbd_reset, s);
return s;
}
@ -603,9 +629,9 @@ void *ps2_mouse_init(void (*update_irq)(void *, int), void *update_arg)
s->common.update_irq = update_irq;
s->common.update_arg = update_arg;
ps2_reset(&s->common);
ps2_mouse_reset(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);
qemu_register_reset(ps2_mouse_reset, s);
return s;
}