EFI_STATUS
PreparePlatformHardware (
VOID
)
{
//Note: Interrupts will be disabled by the GIC driver when ExitBootServices() will be called.
// Clean before Disable else the Stack gets corrupted with old data.
ArmCleanDataCache ();
LlcCleanInvalidate ();
ArmDisableDataCache ();
// Invalidate all the entries that might have snuck in.
ArmInvalidateDataCache ();
// Disable and invalidate the instruction cache
ArmDisableInstructionCache ();
ArmInvalidateInstructionCache ();
// Turn off MMU
ArmDisableMmu();
return EFI_SUCCESS;
}
VOID
EFIAPI
WriteBackDataCache (
VOID
)
{
ArmCleanDataCache();
}
VOID
EFIAPI
InvalidateInstructionCache (
VOID
)
{
ArmCleanDataCache();
ArmInvalidateInstructionCache();
}