diff options
Diffstat (limited to 'src/mainboard/lenovo/x201/acpi')
-rw-r--r-- | src/mainboard/lenovo/x201/acpi/platform.asl | 58 |
1 files changed, 57 insertions, 1 deletions
diff --git a/src/mainboard/lenovo/x201/acpi/platform.asl b/src/mainboard/lenovo/x201/acpi/platform.asl index 1a3279d383..b03f45f8f0 100644 --- a/src/mainboard/lenovo/x201/acpi/platform.asl +++ b/src/mainboard/lenovo/x201/acpi/platform.asl @@ -42,6 +42,62 @@ Scope(\_SB) /* TRAP(71) */ /* TODO */ - \GOS() + /* Determine the Operating System and save the value in OSYS. + * We have to do this in order to be able to work around + * certain windows bugs. + * + * OSYS value | Operating System + * -----------+------------------ + * 2000 | Windows 2000 + * 2001 | Windows XP(+SP1) + * 2002 | Windows XP SP2 + * 2006 | Windows Vista + * ???? | Windows 7 + */ + + /* Let's assume we're running at least Windows 2000 */ + Store (2000, OSYS) + + If (CondRefOf(_OSI)) { + If (_OSI("Windows 2001")) { + Store (2001, OSYS) + } + + If (_OSI("Windows 2001 SP1")) { + Store (2001, OSYS) + } + + If (_OSI("Windows 2001 SP2")) { + Store (2002, OSYS) + } + + If (_OSI("Windows 2001.1")) { + Store (2001, OSYS) + } + + If (_OSI("Windows 2001.1 SP1")) { + Store (2001, OSYS) + } + + If (_OSI("Windows 2006")) { + Store (2006, OSYS) + } + + If (_OSI("Windows 2006.1")) { + Store (2006, OSYS) + } + + If (_OSI("Windows 2006 SP1")) { + Store (2006, OSYS) + } + + If (_OSI("Windows 2009")) { + Store (2009, OSYS) + } + + If (_OSI("Windows 2012")) { + Store (2012, OSYS) + } + } } } |