From: Andrew Waterman <andrew@sifive.com>
Date: Tue, 21 Mar 2017 23:47:04 +0000 (-0700)
Subject: Allow supervisor access to user pages in dirty-bit test
X-Git-Url: https://git.libre-soc.org/?p=riscv-tests.git;a=commitdiff_plain;h=d2bd84a096a97ff4b8f41035c984991d0df922c1;hp=96ef658f1fce0f1b4cce468ad7fa3ff453b9ebac

Allow supervisor access to user pages in dirty-bit test
---

diff --git a/isa/rv64si/dirty.S b/isa/rv64si/dirty.S
index e3a7987..06c9780 100644
--- a/isa/rv64si/dirty.S
+++ b/isa/rv64si/dirty.S
@@ -23,7 +23,7 @@ RVTEST_CODE_BEGIN
   or a2, a2, a0
   csrw sptbr, a1
   sfence.vma
-  li a1, (MSTATUS_MPP & ~(MSTATUS_MPP<<1)) * PRV_S
+  li a1, ((MSTATUS_MPP & ~(MSTATUS_MPP<<1)) * PRV_S) | MSTATUS_SUM
   csrs mstatus, a1
   la a1, 1f - DRAM_BASE
   csrw mepc, a1