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authorIgor V. Kovalenko <igor.v.kovalenko@gmail.com>2010-05-22 14:52:40 +0400
committerBlue Swirl <blauwirbel@gmail.com>2010-05-22 12:52:38 +0000
commit664a65b0dbd9a4845ac7d3c21e8b103031ee57f2 (patch)
treecb75ff2dad6311ef9ab33450a3745d7e7d08eb74
parent9fd1ae3a0e3328056eaa2ae950ba0023e53423b2 (diff)
sparc64: flush translations on mmu context change
- two pairs of softmmu indexes bind softmmu tlb to cpu tlb in fault handlers using value of DMMU primary and secondary context registers, so we need to flush softmmu translations when context registers are changed Signed-off-by: Igor V. Kovalenko <igor.v.kovalenko@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
-rw-r--r--target-sparc/op_helper.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/target-sparc/op_helper.c b/target-sparc/op_helper.c
index 28224b23dc..edeeb4469a 100644
--- a/target-sparc/op_helper.c
+++ b/target-sparc/op_helper.c
@@ -2959,9 +2959,15 @@ void helper_st_asi(target_ulong addr, target_ulong val, int asi, int size)
break;
case 1: // Primary context
env->dmmu.mmu_primary_context = val;
+ /* can be optimized to only flush MMU_USER_IDX
+ and MMU_KERNEL_IDX entries */
+ tlb_flush(env, 1);
break;
case 2: // Secondary context
env->dmmu.mmu_secondary_context = val;
+ /* can be optimized to only flush MMU_USER_SECONDARY_IDX
+ and MMU_KERNEL_SECONDARY_IDX entries */
+ tlb_flush(env, 1);
break;
case 5: // TSB access
DPRINTF_MMU("dmmu TSB write: 0x%016" PRIx64 " -> 0x%016"