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Fix keyboard detection bugs

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2703 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
blueswir1 2007-04-18 19:21:38 +00:00
parent 877cf88232
commit 67deb56246
1 changed files with 36 additions and 11 deletions
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47
hw/slavio_serial.c
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@ -108,6 +108,13 @@ static int serial_can_receive(void *opaque);
static void serial_receive_byte(ChannelState *s, int ch);
static inline void set_txint(ChannelState *s);
static void clear_queue(void *opaque)
{
ChannelState *s = opaque;
SERIOQueue *q = &s->queue;
q->rptr = q->wptr = q->count = 0;
}
static void put_queue(void *opaque, int b)
{
ChannelState *s = opaque;
@ -137,7 +144,7 @@ static uint32_t get_queue(void *opaque)
q->rptr = 0;
q->count--;
}
KBD_DPRINTF("channel %c get 0x%02x\n", CHN_C(s), val);
SER_DPRINTF("channel %c get 0x%02x\n", CHN_C(s), val);
if (q->count > 0)
serial_receive_byte(s, 0);
return val;
@ -186,6 +193,7 @@ static void slavio_serial_reset_chn(ChannelState *s)
s->rx = s->tx = 0;
s->rxint = s->txint = 0;
s->rxint_under_svc = s->txint_under_svc = 0;
clear_queue(s);
}
static void slavio_serial_reset(void *opaque)
@ -199,10 +207,19 @@ static inline void clr_rxint(ChannelState *s)
{
s->rxint = 0;
s->rxint_under_svc = 0;
if (s->chn == chn_a)
if (s->chn == chn_a) {
if (s->wregs[9] & 0x10)
s->otherchn->rregs[2] = 0x60;
else
s->otherchn->rregs[2] = 0x06;
s->rregs[3] &= ~0x20;
else
} else {
if (s->wregs[9] & 0x10)
s->rregs[2] = 0x60;
else
s->rregs[2] = 0x06;
s->otherchn->rregs[3] &= ~4;
}
if (s->txint)
set_txint(s);
else
@ -215,11 +232,19 @@ static inline void set_rxint(ChannelState *s)
s->rxint = 1;
if (!s->txint_under_svc) {
s->rxint_under_svc = 1;
if (s->chn == chn_a)
if (s->chn == chn_a) {
if (s->wregs[9] & 0x10)
s->otherchn->rregs[2] = 0x30;
else
s->otherchn->rregs[2] = 0x0c;
s->rregs[3] |= 0x20;
else
} else {
if (s->wregs[9] & 0x10)
s->rregs[2] = 0x20;
else
s->rregs[2] = 0x04;
s->otherchn->rregs[3] |= 4;
s->rregs[2] = 4;
}
slavio_serial_update_irq(s);
}
}
@ -607,12 +632,15 @@ static void handle_kbd_command(ChannelState *s, int val)
KBD_DPRINTF("Command %d\n", val);
switch (val) {
case 1: // Reset, return type code
clear_queue(s);
put_queue(s, 0xff);
put_queue(s, 5); // Type 5
put_queue(s, 4); // Type 4
break;
case 7: // Query layout
case 0xf:
clear_queue(s);
put_queue(s, 0xfe);
put_queue(s, 0x20); // XXX, layout?
put_queue(s, 19); // XXX, layout?
break;
default:
break;
@ -625,9 +653,6 @@ static void sunmouse_event(void *opaque,
ChannelState *s = opaque;
int ch;
/* XXX: SDL sometimes generates nul events: we delete them */
if (dx == 0 && dy == 0 && dz == 0 && buttons_state == 0)
return;
MS_DPRINTF("dx=%d dy=%d buttons=%01x\n", dx, dy, buttons_state);
ch = 0x80 | 0x7; /* protocol start byte, no buttons pressed */