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[PULL,4/9] target-mips: fix ASID synchronisation for MIPS MT

Message ID 1437034657-31026-5-git-send-email-leon.alrae@imgtec.com
State New
Headers show

Commit Message

Leon Alrae July 16, 2015, 8:17 a.m. UTC 
From: Aurelien Jarno <aurelien@aurel32.net>

When syncing the task ASID with EntryHi, correctly or the value instead
of assigning it.

Reported-by: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Cc: Leon Alrae <leon.alrae@imgtec.com>
Reviewed-by: Leon Alrae <leon.alrae@imgtec.com>
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
---
 target-mips/op_helper.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/target-mips/op_helper.c b/target-mips/op_helper.c
index 2a9ddff..d457a29 100644
--- a/target-mips/op_helper.c
+++ b/target-mips/op_helper.c
@@ -661,7 +661,7 @@  static void sync_c0_tcstatus(CPUMIPSState *cpu, int tc,
 
     /* Sync the TASID with EntryHi.  */
     cpu->CP0_EntryHi &= ~0xff;
-    cpu->CP0_EntryHi = tasid;
+    cpu->CP0_EntryHi |= tasid;
 
     compute_hflags(cpu);
 }