static void kbd_queue(KBDState *s, int b, int aux)
{
if (aux)
ps2_queue(s->mouse, b);
else
ps2_queue(s->kbd, b);
}
/*
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)
{
#ifdef CONFIG_TCG_TAINT
DECAF_keystroke_place(keycode);
if(taint_keystroke_enabled)
{
ps2_put_keycode_taint(opaque,keycode);
return;
}
#endif /* CONFIG_TCG_TAINT */
PS2KbdState *s = opaque;
/* 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_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);
}
/*
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;
/* XXX: add support for scancode sets 1 and 3 */
if (!s->translate && keycode < 0xe0 && s->scancode_set == 2)
{
if (keycode & 0x80)
ps2_queue(&s->common, 0xf0);
keycode = ps2_raw_keycode[keycode & 0x7f];
}
ps2_queue(&s->common, keycode);
}
/*
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;
qemu_system_wakeup_request(QEMU_WAKEUP_REASON_OTHER);
/* XXX: add support for scancode sets 1 and 3 */
if (!s->translate && keycode < 0xe0 && s->scancode_set == 2)
{
if (keycode & 0x80)
ps2_queue(&s->common, 0xf0);
keycode = ps2_raw_keycode[keycode & 0x7f];
}
ps2_queue(&s->common, keycode);
}
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;
}
/* keycode is the untranslated scancode in the current scancode set. */
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);
if (s->translate) {
if (keycode == 0xf0) {
s->need_high_bit = true;
} else if (s->need_high_bit) {
ps2_queue(&s->common, translate_table[keycode] | 0x80);
s->need_high_bit = false;
} else {
ps2_queue(&s->common, translate_table[keycode]);
}
} else {
ps2_queue(&s->common, keycode);
}
}
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;
}
}
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;
}
}
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;
}
}
