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Add full copy support.

Browse source 
cpu/memtest/memtest.cc:
cpu/memtest/memtest.hh:
    Add 2 new parameters to control the percentage of unaligned copy sources and destinations.

--HG--
extra : convert_revision : 2646ee2f195e9f3e76bc257b8716163ef63a9f40
This commit is contained in:
Erik Hallnor 2004-02-14 03:25:39 -05:00
parent 8232c9743d
commit 7fd91f7c4c
2 changed files with 27 additions and 3 deletions
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25
cpu/memtest/memtest.cc
View file

@ -53,6 +53,8 @@ MemTest::MemTest(const string &name,
unsigned _percentCopies,
unsigned _percentUncacheable,
unsigned _progressInterval,
unsigned _percentSourceUnaligned,
unsigned _percentDestUnaligned,
Addr _traceAddr,
Counter max_loads_any_thread,
Counter max_loads_all_threads)
@ -66,7 +68,9 @@ MemTest::MemTest(const string &name,
percentCopies(_percentCopies),
percentUncacheable(_percentUncacheable),
progressInterval(_progressInterval),
nextProgressMessage(_progressInterval)
nextProgressMessage(_progressInterval),
percentSourceUnaligned(_percentSourceUnaligned),
percentDestUnaligned(percentDestUnaligned)
{
vector<string> cmd;
cmd.push_back("/bin/ls");
@ -219,6 +223,8 @@ MemTest::tick()
uint64_t data = random();
unsigned access_size = random() % 4;
unsigned cacheable = rand() % 100;
unsigned source_align = rand() % 100;
unsigned dest_align = rand() % 100;
MemReqPtr req = new MemReq();
@ -281,8 +287,14 @@ MemTest::tick()
}
} else {
// copy
Addr source = blockAddr(((base) ? baseAddr1 : baseAddr2) + offset1);
Addr dest = blockAddr(((base) ? baseAddr2 : baseAddr1) + offset2);
Addr source = ((base) ? baseAddr1 : baseAddr2) + offset1;
Addr dest = ((base) ? baseAddr2 : baseAddr1) + offset2;
if (source_align >= percentSourceUnaligned) {
source = blockAddr(source);
}
if (dest_align >= percentDestUnaligned) {
dest = blockAddr(dest);
}
req->cmd = Copy;
req->flags &= ~UNCACHEABLE;
req->paddr = source;
@ -331,6 +343,8 @@ BEGIN_DECLARE_SIM_OBJECT_PARAMS(MemTest)
Param<unsigned> percent_copies;
Param<unsigned> percent_uncacheable;
Param<unsigned> progress_interval;
Param<unsigned> percent_source_unaligned;
Param<unsigned> percent_dest_unaligned;
Param<Addr> trace_addr;
Param<Counter> max_loads_any_thread;
Param<Counter> max_loads_all_threads;
@ -349,6 +363,10 @@ BEGIN_INIT_SIM_OBJECT_PARAMS(MemTest)
INIT_PARAM_DFLT(percent_uncacheable, "target uncacheable percentage", 10),
INIT_PARAM_DFLT(progress_interval,
"progress report interval (in accesses)", 1000000),
INIT_PARAM_DFLT(percent_source_unaligned, "percent of copy source address "
"that are unaligned", 50),
INIT_PARAM_DFLT(percent_dest_unaligned, "percent of copy dest address "
"that are unaligned", 50),
INIT_PARAM_DFLT(trace_addr, "address to trace", 0),
INIT_PARAM_DFLT(max_loads_any_thread,
"terminate when any thread reaches this load count",
@ -365,6 +383,7 @@ CREATE_SIM_OBJECT(MemTest)
return new MemTest(getInstanceName(), cache->getInterface(), main_mem,
check_mem, memory_size, percent_reads, percent_copies,
percent_uncacheable, progress_interval,
percent_source_unaligned, percent_dest_unaligned,
trace_addr, max_loads_any_thread,
max_loads_all_threads);
}

5
cpu/memtest/memtest.hh
View file

@ -51,6 +51,8 @@ class MemTest : public BaseCPU
unsigned _percentCopies,
unsigned _percentUncacheable,
unsigned _progressInterval,
unsigned _percentSourceUnaligned,
unsigned _percentDestUnaligned,
Addr _traceAddr,
Counter max_loads_any_thread,
Counter max_loads_all_threads);
@ -103,6 +105,9 @@ class MemTest : public BaseCPU
unsigned progressInterval; // frequency of progress reports
Tick nextProgressMessage; // access # for next progress report
unsigned percentSourceUnaligned;
unsigned percentDestUnaligned;
Tick noResponseCycles;
Statistics::Scalar<> numReads;