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-rw-r--r--target/ppc/cpu-qom.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/target/ppc/cpu-qom.h b/target/ppc/cpu-qom.h
index 5800fa324e..ef9e324474 100644
--- a/target/ppc/cpu-qom.h
+++ b/target/ppc/cpu-qom.h
@@ -45,7 +45,11 @@ enum powerpc_mmu_t {
     POWERPC_MMU_32B        = 0x00000001,
     /* PowerPC 6xx MMU with software TLB                       */
     POWERPC_MMU_SOFT_6xx   = 0x00000002,
-    /* PowerPC 74xx MMU with software TLB                      */
+    /*
+     * PowerPC 74xx MMU with software TLB (this has been
+     * disabled, see git history for more information.
+     * keywords: tlbld tlbli TLBMISS PTEHI PTELO)
+     */
     POWERPC_MMU_SOFT_74xx  = 0x00000003,
     /* PowerPC 4xx MMU with software TLB                       */
     POWERPC_MMU_SOFT_4xx   = 0x00000004,