1# Copyright (c) 2012 ARM Limited 2# All rights reserved. 3# 4# The license below extends only to copyright in the software and shall 5# not be construed as granting a license to any other intellectual 6# property including but not limited to intellectual property relating 7# to a hardware implementation of the functionality of the software 8# licensed hereunder. You may use the software subject to the license --- 32 unchanged lines hidden (view full) --- 41# An address mapper changes the packet addresses in going from the 42# slave port side of the mapper to the master port side. When the 43# slave port is queried for the address ranges, it also performs the 44# necessary range updates. Note that snoop requests that travel from 45# the master port (i.e. the memory side) to the slave port are 46# currently not modified. 47class AddrMapper(MemObject): 48 type = 'AddrMapper' |
49 cxx_header = 'mem/addr_mapper.hh' |
50 abstract = True 51 52 # one port in each direction 53 master = MasterPort("Master port") 54 slave = SlavePort("Slave port") 55 56 57# Range address mapper that maps a set of original ranges to a set of 58# remapped ranges, where a specific range is of the same size 59# (original and remapped), only with an offset. 60class RangeAddrMapper(AddrMapper): 61 type = 'RangeAddrMapper' |
62 cxx_header = 'mem/addr_mapper.hh' |
63 64 # These two vectors should be the exact same length and each range 65 # should be the exact same size. Each range in original_ranges is 66 # mapped to the corresponding element in the remapped_ranges. Note 67 # that the same range can occur multiple times in the remapped 68 # ranges for address aliasing. 69 original_ranges = VectorParam.AddrRange( 70 "Ranges of memory that should me remapped") 71 remapped_ranges = VectorParam.AddrRange( 72 "Ranges of memory that are being mapped to") |