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- commit patch from Dave Poirier to fix

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Bug #490570: OUTB set and command 0xaa encountered
This commit is contained in:
Bryce Denney 2002-02-21 20:26:48 +00:00
parent eca4aa0720
commit fa29b378b4
1 changed files with 10 additions and 3 deletions
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13
bochs/iodev/keyboard.cc
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@ -1,5 +1,5 @@
/////////////////////////////////////////////////////////////////////////
// $Id: keyboard.cc,v 1.44 2002-01-29 17:20:11 vruppert Exp $
// $Id: keyboard.cc,v 1.45 2002-02-21 20:26:48 bdenney Exp $
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2002 MandrakeSoft S.A.
@ -70,7 +70,7 @@ bx_keyb_c::bx_keyb_c(void)
memset( &s, 0, sizeof(s) );
BX_KEY_THIS put("KBD");
BX_KEY_THIS settype(KBDLOG);
BX_DEBUG(("Init $Id: keyboard.cc,v 1.44 2002-01-29 17:20:11 vruppert Exp $"));
BX_DEBUG(("Init $Id: keyboard.cc,v 1.45 2002-02-21 20:26:48 bdenney Exp $"));
}
bx_keyb_c::~bx_keyb_c(void)
@ -110,7 +110,7 @@ bx_keyb_c::resetinternals(Boolean powerup)
void
bx_keyb_c::init(bx_devices_c *d, bx_cmos_c *cmos)
{
BX_DEBUG(("Init $Id: keyboard.cc,v 1.44 2002-01-29 17:20:11 vruppert Exp $"));
BX_DEBUG(("Init $Id: keyboard.cc,v 1.45 2002-02-21 20:26:48 bdenney Exp $"));
Bit32u i;
BX_KEY_THIS devices = d;
@ -339,6 +339,7 @@ bx_keyb_c::write( Bit32u address, Bit32u value, unsigned io_len)
UNUSED(this_ptr);
#endif // !BX_USE_KEY_SMF
Bit8u command_byte;
static int kbd_initialized=0;
if (io_len > 1)
BX_PANIC(("kbd: io write to address %08x, len=%u",
@ -479,6 +480,12 @@ bx_keyb_c::write( Bit32u address, Bit32u value, unsigned io_len)
break;
case 0xaa: // motherboard controller self test
BX_DEBUG(("Self Test"));
if( kbd_initialized == 0 )
{
BX_KEY_THIS s.controller_Qsize = 0;
BX_KEY_THIS s.kbd_controller.outb = 0;
kbd_initialized++;
}
// controller output buffer must be empty
if (BX_KEY_THIS s.kbd_controller.outb) {
BX_ERROR(("kbd: OUTB set and command 0x%02x encountered", value));