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[Qemu-devel] [PATCH v2] target-sh4: update PTEH upon MMU exception
From: |
Alexandre Courbot |
Subject: |
[Qemu-devel] [PATCH v2] target-sh4: update PTEH upon MMU exception |
Date: |
Wed, 26 Jan 2011 11:57:53 +0900 |
Update the PTEH register to contain the VPN at which an MMU
exception occured as specified by the SH4 reference.
Signed-off-by: Alexandre Courbot <address@hidden>
---
target-sh4/helper.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/target-sh4/helper.c b/target-sh4/helper.c
index 19b309b..8f8c66c 100644
--- a/target-sh4/helper.c
+++ b/target-sh4/helper.c
@@ -453,6 +453,10 @@ int cpu_sh4_handle_mmu_fault(CPUState * env, target_ulong
address, int rw,
if (ret != MMU_OK) {
env->tea = address;
+ if (ret != MMU_DTLB_MULTIPLE && ret != MMU_ITLB_MULTIPLE) {
+ env->pteh = (env->pteh & PTEH_ASID_MASK) |
+ (address & PTEH_VPN_MASK);
+ }
switch (ret) {
case MMU_ITLB_MISS:
case MMU_DTLB_MISS_READ:
--
1.7.3.5