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[Qemu-devel] [PATCH 1.1 2/6] target-xtensa: update EXCVADDR in case of p
From: |
Max Filippov |
Subject: |
[Qemu-devel] [PATCH 1.1 2/6] target-xtensa: update EXCVADDR in case of page table lookup |
Date: |
Sun, 27 May 2012 18:34:50 +0400 |
According to ISA, 4.4.2.6, EXCVADDR may be changed by any TLB miss, even
if the miss is handled entirely by processor hardware.
Signed-off-by: Max Filippov <address@hidden>
---
target-xtensa/helper.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/target-xtensa/helper.c b/target-xtensa/helper.c
index 2094227..43a6611 100644
--- a/target-xtensa/helper.c
+++ b/target-xtensa/helper.c
@@ -516,6 +516,7 @@ static int autorefill_mmu(CPUXtensaState *env, uint32_t
vaddr, bool dtlb,
*wi = (++env->autorefill_idx) & 0x3;
split_tlb_entry_spec_way(env, vaddr, dtlb, &vpn, *wi, ei);
xtensa_tlb_set_entry(env, dtlb, *wi, *ei, vpn, pte);
+ env->sregs[EXCVADDR] = vaddr;
qemu_log("%s: autorefill(%08x): %08x -> %08x\n",
__func__, vaddr, vpn, pte);
}
--
1.7.7.6
- [Qemu-devel] [PULL 1.1 0/6] target-xtensa MMU fixes, Max Filippov, 2012/05/27
- [Qemu-devel] [PATCH 1.1 1/6] target-xtensa: flush TLB page for new MMU mapping, Max Filippov, 2012/05/27
- [Qemu-devel] [PATCH 1.1 2/6] target-xtensa: update EXCVADDR in case of page table lookup,
Max Filippov <=
- [Qemu-devel] [PATCH 1.1 3/6] target-xtensa: extract TLB entry setting method, Max Filippov, 2012/05/27
- [Qemu-devel] [PATCH 1.1 4/6] target-xtensa: update autorefill TLB entries conditionally, Max Filippov, 2012/05/27
- [Qemu-devel] [PATCH 1.1 5/6] target-xtensa: control page table lookup explicitly, Max Filippov, 2012/05/27
- [Qemu-devel] [PATCH 1.1 6/6] target-xtensa: add MMU pagewalking tests, Max Filippov, 2012/05/27
- Re: [Qemu-devel] [PULL 1.1 0/6] target-xtensa MMU fixes, Andreas Färber, 2012/05/27