[RFC PATCH 5/6] target/ppc: 440 optimise tlbwe TLB flushing

[Nicholas Piggin]

Have 440 tlbwe flush only the range corresponding to the addresses
covered by the software TLB entry being modified rather than the
entire TLB. This matches what 4xx does.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
 target/ppc/mmu_helper.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target/ppc/mmu_helper.c b/target/ppc/mmu_helper.c
index 923779d052..ba965f1779 100644
--- a/target/ppc/mmu_helper.c
+++ b/target/ppc/mmu_helper.c
@@ -864,7 +864,7 @@ void helper_440_tlbwe(CPUPPCState *env, uint32_t word, 
target_ulong entry,
 
     /* Invalidate previous TLB (if it's valid) */
     if (tlb->prot & PAGE_VALID) {
-        tlb_flush(env_cpu(env));
+        ppcemb_tlb_flush(env_cpu(env), tlb);
     }
 
     switch (word) {
-- 
2.42.0