changeset 8b2b8e5e7d35 in /z/repo/m5
details: http://repo.m5sim.org/m5?cmd=changeset;node=8b2b8e5e7d35
description:
        TimingSimpleCPU: Fixed uncacacheable request read bug

        Previously the recording of an uncached read occurred after the request 
was
        possibly deleted within the translateTiming function.

diffstat:

1 file changed, 8 insertions(+), 9 deletions(-)
src/cpu/simple/timing.cc |   17 ++++++++---------

diffs (55 lines):

diff -r 6c91d41dfc12 -r 8b2b8e5e7d35 src/cpu/simple/timing.cc
--- a/src/cpu/simple/timing.cc  Sun Mar 21 21:22:20 2010 -0700
+++ b/src/cpu/simple/timing.cc  Sun Mar 21 21:22:20 2010 -0700
@@ -432,6 +432,10 @@
     Addr split_addr = roundDown(addr + data_size - 1, block_size);
     assert(split_addr <= addr || split_addr - addr < block_size);
 
+    // This will need a new way to tell if it's hooked up to a cache or not.
+    if (req->isUncacheable())
+        recordEvent("Uncached Write");
+
     _status = DTBWaitResponse;
     if (split_addr > addr) {
         RequestPtr req1, req2;
@@ -461,10 +465,6 @@
         traceData->setAddr(addr);
     }
 
-    // This will need a new way to tell if it has a dcache attached.
-    if (req->isUncacheable())
-        recordEvent("Uncached Read");
-
     return NoFault;
 }
 
@@ -510,7 +510,6 @@
     return read(addr, *(uint32_t*)&data, flags);
 }
 
-
 template<>
 Fault
 TimingSimpleCPU::read(Addr addr, int32_t &data, unsigned flags)
@@ -555,6 +554,10 @@
     Addr split_addr = roundDown(addr + data_size - 1, block_size);
     assert(split_addr <= addr || split_addr - addr < block_size);
 
+    // This will need a new way to tell if it's hooked up to a cache or not.
+    if (req->isUncacheable())
+        recordEvent("Uncached Write");
+
     T *dataP = new T;
     *dataP = TheISA::htog(data);
     _status = DTBWaitResponse;
@@ -586,10 +589,6 @@
         traceData->setData(data);
     }
 
-    // This will need a new way to tell if it's hooked up to a cache or not.
-    if (req->isUncacheable())
-        recordEvent("Uncached Write");
-
     // If the write needs to have a fault on the access, consider calling
     // changeStatus() and changing it to "bad addr write" or something.
     return NoFault;
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