Add to MMU init: bypass cache in MMIO page

[pdp11-memory-test] / pdp11_mmu.c

diff --git a/pdp11_mmu.c b/pdp11_mmu.c
index eb75cbd..a06cf16 100644 (file)
--- a/pdp11_mmu.c
+++ b/pdp11_mmu.c
@@ -40,6 +40,9 @@ init_mmu(void)
     KISDR4 = data;
     KISDR5 = data;
     KISDR6 = data;
     KISDR4 = data;
     KISDR5 = data;
     KISDR6 = data;

+
+    SET(data,PDR_BYPASCACHE,1);
+

     KISDR7 = data;
 
     /*
     KISDR7 = data;
 
     /*