From f208b11b51600551e82fb73a19dbc077f4d6789a Mon Sep 17 00:00:00 2001
From: Rose Thompson <rose@rosethompson.net>
Date: Mon, 14 Oct 2024 16:51:46 -0500
Subject: [PATCH] Update hptwAccessFault to generate additional hptw access
 faults during ifu fetches.

---
 tests/coverage/hptwAccessFault.S | 27 ++++++++++++++++++++++++++-
 1 file changed, 26 insertions(+), 1 deletion(-)

diff --git a/tests/coverage/hptwAccessFault.S b/tests/coverage/hptwAccessFault.S
index 7c1bc3be1..e1a2ea49c 100644
--- a/tests/coverage/hptwAccessFault.S
+++ b/tests/coverage/hptwAccessFault.S
@@ -48,7 +48,32 @@ main:
     lw t1, 0(t0)       # this load is a valid virtual address, but the page table will access an invalid address so it should cause a load access fault
     li t1, 0x00008067  # this store is a valid virtual address, but the page table will access an invalid address so it should cause a store access fault
     add t0, t0, t2 
-    sw t1, 0(t0)      
+        sw t1, 0(t0)
+
+        j jumppoint
+
+jumppoint:      
+.align 6 # aligns to cache line size
+        sw t1, 0(t0)
+        sw t1, 4(t0)
+        sw t1, 8(t0)
+        sw t1, 12(t0)
+        sw t1, 16(t0)
+        sw t1, 20(t0)
+        sw t1, 24(t0)
+        sw t1, 28(t0)
+        sw t1, 32(t0)
+        sw t1, 36(t0)
+        sw t1, 40(t0)
+        sw t1, 44(t0)
+        sw t1, 48(t0)
+        sw t1, 52(t0) # this one causes a concurrent I$ miss with HPTW access exception (store access exception)
+        sw t1, 56(t0)
+        lw t3, 0(t0)
+        lw t3, 4(t0)
+        lw t3, 8(t0)
+        lw t3, 12(t0)
+        lw t3, 16(t0)
         
     fence.I