diff --git a/sparc-dis.c b/sparc-dis.c
index 611e74f..cdd337a 100644
--- a/sparc-dis.c
+++ b/sparc-dis.c
@@ -2153,6 +2153,28 @@
   { 0x8a, "#ASI_PRIMARY_NOFAULT_LITTLE" },
   { 0x8b, "#ASI_SECONDARY_NOFAULT_LITTLE" },
   /* These are UltraSPARC extensions.  */
+  { 0x14, "#ASI_PHYS_USE_EC"},
+  { 0x15, "#ASI_PHYS_BYPASS_EC_WITH_EBIT"},
+  { 0x45, "#ASI_LSU_CONTROL_REG"},
+  { 0x47, "#ASI_DCACHE_TAG"},
+  { 0x4a, "#ASI_UPA_CONFIG_REG"},
+  { 0x50, "#ASI_IMMU" },
+  { 0x51, "#ASI_IMMU_TSB_8KB_PTR_REG" },
+  { 0x52, "#ASI_IMMU_TSB_64KB_PTR_REG" },
+  /*{ 0x53, "#reserved?" },*/
+  { 0x54, "#ASI_ITLB_DATA_IN_REG" },
+  { 0x55, "#ASI_ITLB_DATA_ACCESS_REG" },
+  { 0x56, "#ASI_ITLB_TAG_READ_REG" },
+  { 0x57, "#ASI_IMMU_DEMAP" },
+  { 0x58, "#ASI_DMMU" },
+  { 0x59, "#ASI_DMMU_TSB_8KB_PTR_REG" },
+  { 0x5a, "#ASI_DMMU_TSB_64KB_PTR_REG" },
+  { 0x5b, "#ASI_DMMU_TSB_DIRECT_PTR_REG" },
+  { 0x5c, "#ASI_DTLB_DATA_IN_REG" },
+  { 0x5d, "#ASI_DTLB_DATA_ACCESS_REG" },
+  { 0x5e, "#ASI_DTLB_TAG_READ_REG" },
+  { 0x5f, "#ASI_DMMU_DEMAP" },
+  { 0x67, "#ASI_IC_TAG"},
   /* FIXME: There are dozens of them.  Not sure we want them all.
      Most are for kernel building but some are for vis type stuff.  */
   { 0, NULL }