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authorErik Hallnor <ehallnor@umich.edu>2003-10-21 01:53:27 -0400
committerErik Hallnor <ehallnor@umich.edu>2003-10-21 01:53:27 -0400
commit456b9af0c84ec1baad0cfc7214fc573b20db4cf9 (patch)
treef3661cbb76c550c230a0010d91c89bcd3c184dff /cpu/memtest
parente99c0f901ca33f13f27a9c169156a6177071d46d (diff)
downloadgem5-456b9af0c84ec1baad0cfc7214fc573b20db4cf9.tar.xz
memtest.cc:
Add probe calls to test update probe path. cpu/memtest/memtest.cc: Add probe calls to test update probe path. --HG-- extra : convert_revision : b0fb97b54b6ffce9c575fda680b778da63767b7c
Diffstat (limited to 'cpu/memtest')
-rw-r--r--cpu/memtest/memtest.cc28
1 files changed, 21 insertions, 7 deletions
diff --git a/cpu/memtest/memtest.cc b/cpu/memtest/memtest.cc
index 6292911cd..b3a6434ff 100644
--- a/cpu/memtest/memtest.cc
+++ b/cpu/memtest/memtest.cc
@@ -160,6 +160,8 @@ MemTest::completeRequest(MemReqPtr req, uint8_t *data)
<< req->size << " bytes at address 0x"
<< hex << req->paddr << ", value = 0x";
printData(cerr, req->data, req->size);
+ cerr << " @ cycle " << dec << curTick;
+
cerr << endl;
}
@@ -211,6 +213,7 @@ MemTest::tick()
uint64_t data = random();
unsigned access_size = random() % 4;
unsigned cacheable = rand() % 100;
+ unsigned probe = rand() % 2;
MemReqPtr req = new MemReq();
@@ -233,29 +236,40 @@ MemTest::tick()
uint8_t *result = new uint8_t[8];
checkMem->access(Read, req->paddr, result, req->size);
if (blockAddr(req->paddr) == traceBlockAddr) {
- cerr << name() << ": initiating read of "
+ cerr << name() << ": initiating read "
+ << ((probe)?"probe of ":"access of ")
<< req->size << " bytes from addr 0x"
<< hex << req->paddr << " at cycle "
<< dec << curTick << endl;
}
-
- req->completionEvent = new MemCompleteEvent(req, result, this);
- cacheInterface->access(req);
+ if (probe) {
+ cacheInterface->probeAndUpdate(req);
+ completeRequest(req, result);
+ } else {
+ req->completionEvent = new MemCompleteEvent(req, result, this);
+ cacheInterface->access(req);
+ }
} else {
// write
req->cmd = Write;
memcpy(req->data, &data, req->size);
checkMem->access(Write, req->paddr, req->data, req->size);
if (blockAddr(req->paddr) == traceBlockAddr) {
- cerr << name() << ": initiating write of "
+ cerr << name() << ": initiating write "
+ << ((probe)?"probe of ":"access of ")
<< req->size << " bytes (value = 0x";
printData(cerr, req->data, req->size);
cerr << ") to addr 0x"
<< hex << req->paddr << " at cycle "
<< dec << curTick << endl;
}
- req->completionEvent = new MemCompleteEvent(req, NULL, this);
- cacheInterface->access(req);
+ if (probe) {
+ cacheInterface->probeAndUpdate(req);
+ completeRequest(req, NULL);
+ } else {
+ req->completionEvent = new MemCompleteEvent(req, NULL, this);
+ cacheInterface->access(req);
+ }
}
}