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[PULL,16/43] target-ppc: add slbsync implementation

Message ID 20170222063348.32176-17-david@gibson.dropbear.id.au
State New
Headers show

Commit Message

David Gibson Feb. 22, 2017, 6:33 a.m. UTC 
From: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>

slbsync: SLB Synchoronize

The instruction provides an ordering function for the effects of all
slbieg instructions executed by the thread executing the slbsync
instruction.

Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
---
 target/ppc/translate.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)
diff mbox

Patch

diff --git a/target/ppc/translate.c b/target/ppc/translate.c
index b0f3c3b..b1a6aee 100644
--- a/target/ppc/translate.c
+++ b/target/ppc/translate.c
@@ -4497,6 +4497,17 @@  static void gen_slbieg(DisasContext *ctx)
 #endif /* defined(CONFIG_USER_ONLY) */
 }
 
+/* slbsync */
+static void gen_slbsync(DisasContext *ctx)
+{
+#if defined(CONFIG_USER_ONLY)
+    GEN_PRIV;
+#else
+    CHK_SV;
+    gen_check_tlb_flush(ctx, true);
+#endif /* defined(CONFIG_USER_ONLY) */
+}
+
 #endif  /* defined(TARGET_PPC64) */
 
 /***                              External control                         ***/
@@ -6453,6 +6464,7 @@  GEN_HANDLER(tlbsync, 0x1F, 0x16, 0x11, 0x03FFF801, PPC_MEM_TLBSYNC),
 GEN_HANDLER(slbia, 0x1F, 0x12, 0x0F, 0x031FFC01, PPC_SLBI),
 GEN_HANDLER(slbie, 0x1F, 0x12, 0x0D, 0x03FF0001, PPC_SLBI),
 GEN_HANDLER_E(slbieg, 0x1F, 0x12, 0x0E, 0x001F0001, PPC_NONE, PPC2_ISA300),
+GEN_HANDLER_E(slbsync, 0x1F, 0x12, 0x0A, 0x03FFF801, PPC_NONE, PPC2_ISA300),
 #endif
 GEN_HANDLER(eciwx, 0x1F, 0x16, 0x0D, 0x00000001, PPC_EXTERN),
 GEN_HANDLER(ecowx, 0x1F, 0x16, 0x09, 0x00000001, PPC_EXTERN),