[Qemu-devel] [6749] Implment tlbiel

[Blue Swirl]

Revision: 6749
          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6749
Author:   blueswir1
Date:     2009-03-07 20:52:22 +0000 (Sat, 07 Mar 2009)
Log Message:
-----------
Implment tlbiel

Linux uses tlbiel to flush TLB entries in PPC64 mode. This special TLB
flush opcode only flushes an entry for the CPU it runs on, not across
all CPUs in the system.

Signed-off-by: Alexander Graf <address@hidden>

Modified Paths:
--------------
    trunk/target-ppc/translate.c

Modified: trunk/target-ppc/translate.c
===================================================================
--- trunk/target-ppc/translate.c        2009-03-07 20:51:18 UTC (rev 6748)
+++ trunk/target-ppc/translate.c        2009-03-07 20:52:22 UTC (rev 6749)
@@ -4394,6 +4394,20 @@
 #endif
 }
 
+/* tlbiel */
+GEN_HANDLER(tlbiel, 0x1F, 0x12, 0x08, 0x03FF0001, PPC_MEM_TLBIE)
+{
+#if defined(CONFIG_USER_ONLY)
+    gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
+#else
+    if (unlikely(!ctx->mem_idx)) {
+        gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
+        return;
+    }
+    gen_helper_tlbie(cpu_gpr[rB(ctx->opcode)]);
+#endif
+}
+
 /* tlbie */
 GEN_HANDLER(tlbie, 0x1F, 0x12, 0x09, 0x03FF0001, PPC_MEM_TLBIE)
 {