From: Tobias Platen <tplaten@posteo.de>
Date: Sat, 27 Nov 2021 12:54:22 +0000 (+0100)
Subject: loadstore testcase: read at random addresses
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=f6f6c207b8c10815c440a65dacf5d3772a3fee2a;p=soc.git

loadstore testcase: read at random addresses
---

diff --git a/src/soc/experiment/test/test_loadstore1.py b/src/soc/experiment/test/test_loadstore1.py
index 9b121d45..0a92620a 100644
--- a/src/soc/experiment/test/test_loadstore1.py
+++ b/src/soc/experiment/test/test_loadstore1.py
@@ -17,6 +17,7 @@ from soc.experiment.mmu import MMU
 from soc.experiment.test import pagetables
 
 from nmigen.compat.sim import run_simulation
+from random import random
 
 stop = False
 
@@ -190,6 +191,16 @@ def _test_loadstore1(dut, mem):
         print("ld_data",ld_data,exc)
         print("=== no error done ===")
 
+        # test read at random addresses
+        for i in range(0,40):
+            n = int(random()*0x100000)
+            addr = 0x10000 + n*16
+            print("== random addr ==")
+            print("ld[RANDOM]",addr)
+            ld_data, exc = yield from pi_ld(pi, addr, 8, msr_pr=1)
+            print("ld_data[RANDOM]",ld_data,exc,addr)
+            assert(exc==None)
+
     stop = True
 
 def test_loadstore1():