target-sh4: MMU: fix ITLB priviledge check

There is an ITLB access violation if SR_MD=0 (user mode) while
the high bit of the protection key is 0 (priviledge mode).

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
(cherry picked from commit bc13ad29e6b7484ccd5e7ee0f5d0f966585eb4c9)

diff --git a/target-sh4/helper.c b/target-sh4/helper.c
index e7c494fb9a42f9f4283c411f6df5c72d40529f8e..21b76456a8555a3dd047e3309dfd981e929de5c4 100644 (file)
--- a/target-sh4/helper.c
+++ b/target-sh4/helper.c
@@ -377,7 +377,7 @@ static int get_mmu_address(CPUState * env, target_ulong * physical,
        n = find_itlb_entry(env, address, use_asid, 1);
        if (n >= 0) {
            matching = &env->itlb[n];
-           if ((env->sr & SR_MD) & !(matching->pr & 2))
+           if (!(env->sr & SR_MD) && !(matching->pr & 2))
                n = MMU_ITLB_VIOLATION;
            else
                *prot = PAGE_READ;