@echo off

:DRIVER_HAL_UPDATE
	SET HAL=

	IF %NUMBER_OF_PROCESSORS%==1 (
		devcon.exe /find @ROOT\ACPI_HAL\0000 | find /i "Multiprocessor" > NUL && SET HAL=ACPIAPIC_UP
		devcon.exe /find @ROOT\PCI_HAL\0000 | find /i "Multiprocessor" > NUL && SET HAL=MPS_UP
	) ELSE (
		devcon.exe /find @ROOT\ACPI_HAL\0000 | find /i "Uniprocessor" > NUL && SET HAL=ACPIAPIC_MP
		devcon.exe /find @ROOT\PCI_HAL\0000 | find /i "Uniprocessor" > NUL && SET HAL=MPS_MP
	)

	IF NOT "%HAL%"=="" (
		ECHO.
		ECHO ----------------------------------------
		ECHO Installing %HAL% HAL
		ECHO ----------------------------------------
		ECHO.

		devcon.exe sethwid @ROOT\PCI_HAL\0000 := !E_ISA_UP !ACPIPIC_UP !ACPIAPIC_UP !ACPIAPIC_MP !MPS_UP !MPS_MP !SGI_MPS_MP !SYSPRO_MP !SGI_MPS_MP
		devcon.exe sethwid @ROOT\ACPI_HAL\0000 := !E_ISA_UP !ACPIPIC_UP !ACPIAPIC_UP !ACPIAPIC_MP !MPS_UP !MPS_MP !SGI_MPS_MP !SYSPRO_MP !SGI_MPS_MP
		devcon.exe sethwid @ROOT\PCI_HAL\0000 := +%HAL%
		devcon.exe sethwid @ROOT\ACPI_HAL\0000 := +%HAL%
		devcon.exe update %windir%\inf\hal.inf %HAL%
		devcon.exe ReScan

		ECHO.
		ECHO ----------------------------------------
		ECHO Rebooting
		ECHO ----------------------------------------
		ECHO.
		devcon.exe Reboot
	) ELSE (
		ECHO.
		ECHO ----------------------------------------
		ECHO Correct HAL Detected
		ECHO ----------------------------------------
		ECHO.
	)
GOTO :EOF