sanchayanmaity/gem5
1
0
Fork 0
Code Issues Pull requests Packages Projects Releases Wiki Activity

ruby: Memory size consistency check

Browse source 
Ruby's memory is now sized according to the size of M5 physical memory.
This commit is contained in:
Brad Beckmann 2010-01-29 20:29:24 -08:00
parent 70648cf6aa
commit 502b8bd8a4
2 changed files with 12 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

9
configs/ruby/MOESI_hammer.py
View file

@ -96,6 +96,9 @@ def create_system(options, phys_mem, piobus, dma_devices):
cpu_sequencers.append(cpu_seq)
l1_cntrl_nodes.append(l1_cntrl)
phys_mem_size = long(phys_mem.range.second) - long(phys_mem.range.first) + 1
mem_module_size = phys_mem_size / options.num_dirs
for i in xrange(options.num_dirs):
#
# Create the Ruby objects associated with the directory controller
@ -103,9 +106,13 @@ def create_system(options, phys_mem, piobus, dma_devices):
mem_cntrl = RubyMemoryControl(version = i)
dir_size = MemorySize('0B')
dir_size.value = mem_module_size
dir_cntrl = Directory_Controller(version = i,
directory = \
RubyDirectoryMemory(version = i),
RubyDirectoryMemory(version = i,
size = dir_size),
memBuffer = mem_cntrl)
dir_cntrl_nodes.append(dir_cntrl)

5
configs/ruby/Ruby.py
View file

@ -55,11 +55,14 @@ def create_system(options, physmem, piobus = None, dma_devices = []):
network = SimpleNetwork(topology = makeCrossbar(all_cntrls))
#
# determine the total memory size of the ruby system
# determine the total memory size of the ruby system and verify it is equal
# to physmem
#
total_mem_size = MemorySize('0B')
for dir_cntrl in dir_cntrls:
total_mem_size.value += dir_cntrl.directory.size.value
physmem_size = long(physmem.range.second) - long(physmem.range.first) + 1
assert(total_mem_size.value == physmem_size)
ruby_profiler = RubyProfiler(num_of_sequencers = len(cpu_sequencers))