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/*++
Copyright (c) 1991 Microsoft Corporation
Module Name:
ixreboot.c
Abstract:
Provides the interface to the firmware for x86. Since there is no
firmware to speak of on x86, this is just reboot support.
Author:
John Vert (jvert) 12-Aug-1991
Revision History:
--*/
#include "halp.h"
//
// Defines to let us diddle the CMOS clock and the keyboard
//
#define CMOS_CTRL (PUCHAR )0x70
#define CMOS_DATA (PUCHAR )0x71
#define RESET 0xfe
#define KEYBPORT (PUCHAR )0x64
VOID HalpVideoReboot(VOID);
VOID HalpReboot(VOID);
VOID
HalReturnToFirmware(
IN FIRMWARE_ENTRY Routine
)
/*++
Routine Description:
Returns control to the firmware routine specified. Since the x86 has
no useful firmware, it just stops the system.
Arguments:
Routine - Supplies a value indicating which firmware routine to invoke.
Return Value:
Does not return.
--*/
{
switch (Routine) {
case HalHaltRoutine:
case HalPowerDownRoutine:
case HalRestartRoutine:
case HalRebootRoutine:
HalpVideoReboot();
//
// Never returns
//
HalpReboot();
break;
default:
DbgPrint("HalReturnToFirmware called\n");
DbgBreakPoint();
break;
}
}
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