[Qemu-devel] [PATCH] target-sh4: update PTEH upon MMU exception

[Alexandre Courbot]

Update the PTEH register to contain the VPN at which an MMU
exception occured as specified by the SH4 reference.
---
 target-sh4/helper.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/target-sh4/helper.c b/target-sh4/helper.c
index 2d76f22..c34d2f5 100644
--- a/target-sh4/helper.c
+++ b/target-sh4/helper.c
@@ -453,6 +453,9 @@ 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