diff options
Diffstat (limited to 'configs/common/CacheConfig.py')
| -rw-r--r-- | configs/common/CacheConfig.py | 60 |
1 files changed, 35 insertions, 25 deletions
diff --git a/configs/common/CacheConfig.py b/configs/common/CacheConfig.py index 563323946..5dd564f0c 100644 --- a/configs/common/CacheConfig.py +++ b/configs/common/CacheConfig.py @@ -1,3 +1,15 @@ +# Copyright (c) 2012 ARM Limited +# All rights reserved +# +# The license below extends only to copyright in the software and shall +# not be construed as granting a license to any other intellectual +# property including but not limited to intellectual property relating +# to a hardware implementation of the functionality of the software +# licensed hereunder. You may use the software subject to the license +# terms below provided that you ensure that this notice is replicated +# unmodified and in its entirety in all distributions of the software, +# modified or unmodified, in source code or in binary form. +# # Copyright (c) 2010 Advanced Micro Devices, Inc. # All rights reserved. # @@ -32,24 +44,30 @@ import m5 from m5.objects import * from Caches import * -from O3_ARM_v7a import * def config_cache(options, system): + if options.cpu_type == "arm_detailed": + try: + from O3_ARM_v7a import * + except: + print "arm_detailed is unavailable. Did you compile the O3 model?" + sys.exit(1) + + dcache_class, icache_class, l2_cache_class = \ + O3_ARM_v7a_DCache, O3_ARM_v7a_ICache, O3_ARM_v7aL2 + else: + dcache_class, icache_class, l2_cache_class = \ + L1Cache, L1Cache, L2Cache + if options.l2cache: # Provide a clock for the L2 and the L1-to-L2 bus here as they # are not connected using addTwoLevelCacheHierarchy. Use the # same clock as the CPUs, and set the L1-to-L2 bus width to 32 # bytes (256 bits). - if options.cpu_type == "arm_detailed": - system.l2 = O3_ARM_v7aL2(clock = options.clock, - size = options.l2_size, - assoc = options.l2_assoc, - block_size=options.cacheline_size) - else: - system.l2 = L2Cache(clock = options.clock, - size = options.l2_size, - assoc = options.l2_assoc, - block_size = options.cacheline_size) + system.l2 = l2_cache_class(clock=options.clock, + size=options.l2_size, + assoc=options.l2_assoc, + block_size=options.cacheline_size) system.tol2bus = CoherentBus(clock = options.clock, width = 32) system.l2.cpu_side = system.tol2bus.master @@ -57,20 +75,12 @@ def config_cache(options, system): for i in xrange(options.num_cpus): if options.caches: - if options.cpu_type == "arm_detailed": - icache = O3_ARM_v7a_ICache(size = options.l1i_size, - assoc = options.l1i_assoc, - block_size=options.cacheline_size) - dcache = O3_ARM_v7a_DCache(size = options.l1d_size, - assoc = options.l1d_assoc, - block_size=options.cacheline_size) - else: - icache = L1Cache(size = options.l1i_size, - assoc = options.l1i_assoc, - block_size=options.cacheline_size) - dcache = L1Cache(size = options.l1d_size, - assoc = options.l1d_assoc, - block_size=options.cacheline_size) + icache = icache_class(size=options.l1i_size, + assoc=options.l1i_assoc, + block_size=options.cacheline_size) + dcache = dcache_class(size=options.l1d_size, + assoc=options.l1d_assoc, + block_size=options.cacheline_size) # When connecting the caches, the clock is also inherited # from the CPU in question |