Distinguish between write-through cache with allocate and update only if hit.

Add into cache statistic number of backing/main memory accesses.
Correction of meaning and computation of the cache statistic.

Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz>

1 files changed, 2 insertions, 1 deletions

diff --git a/qtmips_machine/machineconfig.h b/qtmips_machine/machineconfig.h
index 1858a25..14676ff 100644
--- a/qtmips_machine/machineconfig.h
+++ b/qtmips_machine/machineconfig.h
@@ -65,7 +65,8 @@ public:
     };
 
     enum WritePolicy {
-        WP_TROUGH, // Write trough
+        WP_TROUGH_NOALLOC, // Write trough
+        WP_TROUGH_ALLOC, // Write trough
         WP_BACK // Write back
     };