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Clear up debugger prompt from "mouse excrements". Tested in QEMU, Bochs, VirtualBox.

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svn path=/trunk/; revision=41156
This commit is contained in:
Dmitry Gorbachev 2009-05-27 20:27:35 +00:00
parent a7780a5fda
commit a3e6255be2
2 changed files with 53 additions and 11 deletions
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2
reactos/ntoskrnl/kdbg/kdb_cli.c
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@ -2258,7 +2258,7 @@ KdbpReadCommand(
/* Read the next char - this is to throw away a \n which most clients should
* send after \r.
*/
KeStallExecutionProcessor(100000);
KeStallExecutionProcessor(100000);
if (KdbDebugState & KD_DEBUG_KDSERIAL)
NextKey = KdbpTryGetCharSerial(5);
else

62
reactos/ntoskrnl/kdbg/kdb_keyboard.c
View file

@ -16,18 +16,25 @@
#if 1
#define KBD_STATUS_REG 0x64
#define KBD_CNTL_REG 0x64
#define KBD_DATA_REG 0x60
#define KBD_STATUS_REG 0x64
#define KBD_CNTL_REG 0x64
#define KBD_DATA_REG 0x60
#define KBD_STAT_OBF 0x01
#define KBD_STAT_IBF 0x02
#define CTRL_WRITE_MOUSE 0xD4
#define MOU_ENAB 0xF4
#define MOU_DISAB 0xF5
#define MOUSE_ACK 0xFA
#define KBD_DISABLE_MOUSE 0xA7
#define KBD_ENABLE_MOUSE 0xA8
#define KBD_STAT_OBF 0x01 /* Keyboard output buffer full */
#define kbd_write_command(cmd) WRITE_PORT_UCHAR((PUCHAR)KBD_STATUS_REG,cmd)
#define kbd_read_input() READ_PORT_UCHAR((PUCHAR)KBD_DATA_REG)
#define kbd_read_status() READ_PORT_UCHAR((PUCHAR)KBD_STATUS_REG)
#define kbd_write_command(cmd) WRITE_PORT_UCHAR((PUCHAR)KBD_CNTL_REG,cmd)
#define kbd_write_data(cmd) WRITE_PORT_UCHAR((PUCHAR)KBD_DATA_REG,cmd)
#define kbd_read_input() READ_PORT_UCHAR((PUCHAR)KBD_DATA_REG)
#define kbd_read_status() READ_PORT_UCHAR((PUCHAR)KBD_STATUS_REG)
static unsigned char keyb_layout[2][128] =
{
@ -50,14 +57,49 @@ static unsigned char keyb_layout[2][128] =
typedef UCHAR byte_t;
/* FUNCTIONS *****************************************************************/
static VOID
KbdSendCommandToMouse(UCHAR Command)
{
ULONG Retry = 20000;
while (kbd_read_status() & KBD_STAT_OBF && Retry--)
{
kbd_read_input();
KeStallExecutionProcessor(50);
}
Retry = 20000;
while (kbd_read_status() & KBD_STAT_IBF && Retry--)
KeStallExecutionProcessor(50);
kbd_write_command(CTRL_WRITE_MOUSE);
Retry = 20000;
while (kbd_read_status() & KBD_STAT_IBF && Retry--)
KeStallExecutionProcessor(50);
kbd_write_data(Command);
Retry = 20000;
while (!(kbd_read_status() & KBD_STAT_OBF) && Retry--)
KeStallExecutionProcessor(50);
if (kbd_read_input() != MOUSE_ACK) { ; }
return;
}
VOID KbdEnableMouse()
{
kbd_write_command(KBD_ENABLE_MOUSE);
KbdSendCommandToMouse(MOU_ENAB);
// kbd_write_command(KBD_ENABLE_MOUSE);
}
VOID KbdDisableMouse()
{
kbd_write_command(KBD_DISABLE_MOUSE);
KbdSendCommandToMouse(MOU_DISAB);
// kbd_write_command(KBD_DISABLE_MOUSE);
}
CHAR