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MOESI_hammer: fixed bug with single cpu + flushes, then modified the regression tester to check this functionality

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This commit is contained in:
Brad Beckmann 2012-04-06 13:47:06 -07:00
parent 0a9f4b950f
commit f050ebe3a8
2 changed files with 10 additions and 4 deletions
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6
src/mem/protocol/MOESI_hammer-dir.sm
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@ -493,7 +493,7 @@ machine(Directory, "AMD Hammer-like protocol")
action(oc_sendBlockAck, "oc", desc="Send block ack to the owner") {
peek(requestQueue_in, RequestMsg) {
if ((probe_filter_enabled || full_bit_dir_enabled) && (in_msg.Requestor == cache_entry.Owner)) {
if (((probe_filter_enabled || full_bit_dir_enabled) && (in_msg.Requestor == cache_entry.Owner)) || machineCount(MachineType:L1Cache) == 1) {
enqueue(forwardNetwork_out, RequestMsg, latency=memory_controller_latency) {
out_msg.Address := address;
out_msg.Type := CoherenceRequestType:BLOCK_ACK;
@ -1033,7 +1033,7 @@ machine(Directory, "AMD Hammer-like protocol")
}
action(nofc_forwardRequestConditionalOwner, "nofc", desc="Forward request to one or more nodes if the requestor is not the owner") {
assert(machineCount(MachineType:L1Cache) > 1);
if (machineCount(MachineType:L1Cache) > 1) {
if (probe_filter_enabled || full_bit_dir_enabled) {
peek(requestQueue_in, RequestMsg) {
@ -1065,7 +1065,7 @@ machine(Directory, "AMD Hammer-like protocol")
}
}
}
}
}
action(f_forwardWriteFromDma, "fw", desc="Forward requests") {

8
tests/configs/rubytest-ruby.py
View file

@ -65,10 +65,16 @@ options.l1i_assoc=2
options.l2_assoc=2
options.l3_assoc=2
# Turn on flush check for the hammer protocol
check_flush = False
if buildEnv['PROTOCOL'] == 'MOESI_hammer':
check_flush = True
#
# create the tester and system, including ruby
#
tester = RubyTester(checks_to_complete = 100, wakeup_frequency = 10)
tester = RubyTester(check_flush = check_flush, checks_to_complete = 100,
wakeup_frequency = 10)
system = System(tester = tester, physmem = SimpleMemory())