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disable keyboard interrupts if keyboard clock disabled (may not be fully correct) - added keyboard ID for extended keyboard

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@482 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2003-12-02 22:18:10 +00:00
parent d36cd60e6c
commit 07ad1b93a3
1 changed files with 17 additions and 2 deletions
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19
vl.c
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@ -1462,6 +1462,10 @@ void serial_received_byte(SerialState *s, int ch)
s->lsr |= UART_LSR_BI | UART_LSR_DR;
serial_update_irq();
break;
case 'd':
// tb_flush();
cpu_set_log(CPU_LOG_ALL);
break;
case TERM_ESCAPE:
goto send_char;
}
@ -1979,6 +1983,7 @@ void ne2000_init(void)
/* 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 */
@ -2065,6 +2070,8 @@ KBDState kbd_state;
int reset_requested;
/* update irq and KBD_STAT_[MOUSE_]OBF */
/* XXX: not generating the irqs if KBD_MODE_DISABLE_KBD is set may be
incorrect, but it avoids having to simulate exact delays */
static void kbd_update_irq(KBDState *s)
{
int irq12_level, irq1_level;
@ -2080,7 +2087,8 @@ static void kbd_update_irq(KBDState *s)
if (s->mode & KBD_MODE_MOUSE_INT)
irq12_level = 1;
} else {
if (s->mode & KBD_MODE_KBD_INT)
if ((s->mode & KBD_MODE_KBD_INT) &&
!(s->mode & KBD_MODE_DISABLE_KBD))
irq1_level = 1;
}
}
@ -2120,7 +2128,7 @@ uint32_t kbd_read_status(CPUX86State *env, uint32_t addr)
KBDState *s = &kbd_state;
int val;
val = s->status;
#if defined(DEBUG_KBD) && 0
#if defined(DEBUG_KBD)
printf("kbd: read status=0x%02x\n", val);
#endif
return val;
@ -2162,9 +2170,11 @@ void kbd_write_command(CPUX86State *env, uint32_t addr, uint32_t val)
break;
case KBD_CCMD_KBD_DISABLE:
s->mode |= KBD_MODE_DISABLE_KBD;
kbd_update_irq(s);
break;
case KBD_CCMD_KBD_ENABLE:
s->mode &= ~KBD_MODE_DISABLE_KBD;
kbd_update_irq(s);
break;
case KBD_CCMD_READ_INPORT:
kbd_queue(s, 0x00, 0);
@ -2251,6 +2261,11 @@ static void kbd_write_keyboard(KBDState *s, int val)
case 0x05:
kbd_queue(s, KBD_REPLY_RESEND, 0);
break;
case KBD_CMD_GET_ID:
kbd_queue(s, KBD_REPLY_ACK, 0);
kbd_queue(s, 0xab, 0);
kbd_queue(s, 0x83, 0);
break;
case KBD_CMD_ECHO:
kbd_queue(s, KBD_CMD_ECHO, 0);
break;