VOID EFIAPI
OvrRestoreTPL(IN EFI_TPL OldTpl)
{
gOrgBS.RestoreTPL(OldTpl);
// do not print - it's called by UEFI events and timers (from timer interrupts) many times
//PRINT("->RestoreTPL(OldTpl=%d)\n", OldTpl);
return;
}
/**
* Block callback
*
* @v unique_id NII NIC
* @v acquire Acquire lock
*/
static EFIAPI VOID nii_block ( UINT64 unique_id, UINT32 acquire ) {
struct nii_nic *nii = ( ( void * ) ( intptr_t ) unique_id );
EFI_BOOT_SERVICES *bs = efi_systab->BootServices;
/* This functionality (which is copied verbatim from the
* SnpDxe implementation of this function) appears to be
* totally brain-dead, since it produces no actual blocking
* behaviour.
*/
if ( acquire ) {
nii->saved_tpl = bs->RaiseTPL ( TPL_NOTIFY );
} else {
bs->RestoreTPL ( nii->saved_tpl );
}
}