* nxt_resource_idx = dir[31],resource_func_upper[30:28],nxt_resource_idx[27:0]
* If resource_func is EM_TBL then use resource_em_handle.
* Else the other part of the union is used and
* nxt_resource_idx = dir[31],resource_func_upper[30:28],nxt_resource_idx[27:0]
* If resource_func is EM_TBL then use resource_em_handle.
* Else the other part of the union is used and