diff options
Diffstat (limited to 'cpu/memtest/memtest.cc')
| -rw-r--r-- | cpu/memtest/memtest.cc | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/cpu/memtest/memtest.cc b/cpu/memtest/memtest.cc index 05de370fd..82bec8ac9 100644 --- a/cpu/memtest/memtest.cc +++ b/cpu/memtest/memtest.cc @@ -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); } |