diff options
Diffstat (limited to 'configs')
| -rw-r--r-- | configs/common/CacheConfig.py | 25 | ||||
| -rw-r--r-- | configs/common/Options.py | 2 |
2 files changed, 27 insertions, 0 deletions
diff --git a/configs/common/CacheConfig.py b/configs/common/CacheConfig.py index c7a724b34..f31b3d566 100644 --- a/configs/common/CacheConfig.py +++ b/configs/common/CacheConfig.py @@ -76,6 +76,9 @@ def config_cache(options, system): system.l2.cpu_side = system.tol2bus.master system.l2.mem_side = system.membus.slave + if options.memchecker: + system.memchecker = MemChecker() + for i in xrange(options.num_cpus): if options.caches: icache = icache_class(size=options.l1i_size, @@ -83,6 +86,21 @@ def config_cache(options, system): dcache = dcache_class(size=options.l1d_size, assoc=options.l1d_assoc) + if options.memchecker: + dcache_mon = MemCheckerMonitor(warn_only=True) + dcache_real = dcache + + # Do not pass the memchecker into the constructor of + # MemCheckerMonitor, as it would create a copy; we require + # exactly one MemChecker instance. + dcache_mon.memchecker = system.memchecker + + # Connect monitor + dcache_mon.mem_side = dcache.cpu_side + + # Let CPU connect to monitors + dcache = dcache_mon + # When connecting the caches, the clock is also inherited # from the CPU in question if buildEnv['TARGET_ISA'] == 'x86': @@ -91,6 +109,13 @@ def config_cache(options, system): PageTableWalkerCache()) else: system.cpu[i].addPrivateSplitL1Caches(icache, dcache) + + if options.memchecker: + # The mem_side ports of the caches haven't been connected yet. + # Make sure connectAllPorts connects the right objects. + system.cpu[i].dcache = dcache_real + system.cpu[i].dcache_mon = dcache_mon + system.cpu[i].createInterruptController() if options.l2cache: system.cpu[i].connectAllPorts(system.tol2bus, system.membus) diff --git a/configs/common/Options.py b/configs/common/Options.py index cb5ffad2e..f81e69a61 100644 --- a/configs/common/Options.py +++ b/configs/common/Options.py @@ -97,6 +97,8 @@ def addCommonOptions(parser): parser.add_option("-l", "--lpae", action="store_true") parser.add_option("-V", "--virtualisation", action="store_true") + parser.add_option("--memchecker", action="store_true") + # Cache Options parser.add_option("--caches", action="store_true") parser.add_option("--l2cache", action="store_true") |