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target-sh4: MMU: fix ITLB priviledge check

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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>
This commit is contained in:
Aurelien Jarno 2010-02-01 20:07:06 +01:00
parent 0f3f1ec787
commit 4d1e4ff63c
1 changed files with 1 additions and 1 deletions
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2
target-sh4/helper.c
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@ -377,7 +377,7 @@ static int get_mmu_address(CPUState * env, target_ulong * physical,
n = find_itlb_entry(env, address, use_asid, 1); n = find_itlb_entry(env, address, use_asid, 1);
if (n >= 0) { if (n >= 0) {
matching = &env->itlb[n]; matching = &env->itlb[n];
if ((env->sr & SR_MD) & !(matching->pr & 2)) if (!(env->sr & SR_MD) && !(matching->pr & 2))
n = MMU_ITLB_VIOLATION; n = MMU_ITLB_VIOLATION;
else else
*prot = PAGE_READ; *prot = PAGE_READ;