From fc7cf40de672fdae5272cb7b69123a44ae274ed6 Mon Sep 17 00:00:00 2001 From: Ronald Dreslinski Date: Thu, 26 Jan 2012 14:53:48 -0500 Subject: [PATCH] configs: A more realistic configuration of an ARM-like processor --- configs/common/CacheConfig.py | 29 +++++++++++++++++++++++------ configs/common/Options.py | 3 ++- configs/common/Simulation.py | 8 ++++++-- 3 files changed, 31 insertions(+), 9 deletions(-) diff --git a/configs/common/CacheConfig.py b/configs/common/CacheConfig.py index 00517dfc4..364b20f28 100644 --- a/configs/common/CacheConfig.py +++ b/configs/common/CacheConfig.py @@ -32,11 +32,17 @@ import m5 from m5.objects import * from Caches import * +from O3_ARM_v7a import * def config_cache(options, system): if options.l2cache: - system.l2 = L2Cache(size = options.l2_size, assoc = options.l2_assoc, - block_size=options.cacheline_size) + if options.cpu_type == "arm_detailed": + system.l2 = O3_ARM_v7aL2(size = options.l2_size, assoc = options.l2_assoc, + block_size=options.cacheline_size) + else: + system.l2 = L2Cache(size = options.l2_size, assoc = options.l2_assoc, + block_size=options.cacheline_size) + system.tol2bus = Bus() system.l2.cpu_side = system.tol2bus.port system.l2.mem_side = system.membus.port @@ -44,10 +50,21 @@ def config_cache(options, system): for i in xrange(options.num_cpus): if options.caches: - 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) + 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) + if buildEnv['TARGET_ISA'] == 'x86': system.cpu[i].addPrivateSplitL1Caches(icache, dcache, PageTableWalkerCache(), diff --git a/configs/common/Options.py b/configs/common/Options.py index 1941875bc..0932f2629 100644 --- a/configs/common/Options.py +++ b/configs/common/Options.py @@ -28,7 +28,8 @@ # system options parser.add_option("--cpu-type", type="choice", default="atomic", - choices = ["atomic", "timing", "detailed", "inorder"], + choices = ["atomic", "timing", "detailed", "inorder", + "arm_detailed"], help = "type of cpu to run with") parser.add_option("-n", "--num-cpus", type="int", default=1) parser.add_option("--caches", action="store_true") diff --git a/configs/common/Simulation.py b/configs/common/Simulation.py index 07cc323f9..193f8d487 100644 --- a/configs/common/Simulation.py +++ b/configs/common/Simulation.py @@ -34,6 +34,7 @@ import m5 from m5.defines import buildEnv from m5.objects import * from m5.util import * +from O3_ARM_v7a import * addToPath('../common') @@ -42,11 +43,14 @@ def setCPUClass(options): atomic = False if options.cpu_type == "timing": class TmpClass(TimingSimpleCPU): pass - elif options.cpu_type == "detailed": + elif options.cpu_type == "detailed" or options.cpu_type == "arm_detailed": if not options.caches and not options.ruby: print "O3 CPU must be used with caches" sys.exit(1) - class TmpClass(DerivO3CPU): pass + if options.cpu_type == "arm_detailed": + class TmpClass(O3_ARM_v7a_3): pass + else: + class TmpClass(DerivO3CPU): pass elif options.cpu_type == "inorder": if not options.caches: print "InOrder CPU must be used with caches" -- 2.30.2