(no commit message)

diff --git a/openpower/isa.mdwn b/openpower/isa.mdwn
index 2dbf78f2be2052785aaf271f99050dbd1b6a6029..27b88b3434d028b3221786c4973efcf89b3b8d3d 100644 (file)
--- a/openpower/isa.mdwn
+++ b/openpower/isa.mdwn
@@ -17,3 +17,34 @@ the pseudo-code for all opcodes in the POWER v3.0B Public Spec
 * [[isa/stringldst]]
 * [[isa/system]]
 
+# Major opcode map
+
+Table 9: Primary Opcode Map (opcode bits 0:5)
+
+                 000                   001              010                011              100                101                 110              111
+     000                                                tdi                
+    twi           EXT04                                                    mulli    000
+                                         PPC             D P1              D {extended}                                              P1              D
+     8               I9                  10              I 11              I 12               I 13               I 14              I 15              I
+ 001       subfic                                cmpli               cmpi             addic              addic.              addi             addis    001
+     P1              D {reserved}        P1              D P1              D P1               D P1               D P1              D P1              D
+     16              I 17                18              I 19                20               I 21               I 22                23              I
+ 010       bc[l][a]            EXT17             b[l][a]            EXT19           rlwimi[.]          rlwinm[.]                            rlwnm[.]   010
+     P1              B {extended}        P1               I {extended}       P1               M P1               M {reserved}        P1              M
+     24              I 25              I 26              I 27              I 28               I 29               I 30                31
+ 011         ori                  oris             xori              xoris            andi.              andis.            EXT30             EXT31     011
+     P1              D P1              D P1              D P1              D P1               D P1               D {extended}        {extended}
+     32              I 33              I 34              I 35              I 36               I 37               I 38              I 39              I
+ 100         lwz                 lwzu               lbz              lbzu               stw               stwu                 stb            stbu     100
+     P1              D P1              D P1              D P1              D P1               D P1               D P1              D P1              D
+     40              I 41              I 42              I 43              I 44               I 45               I 46              I 47              I
+ 101         lhz                  lhzu              lha              lhau               sth               sthu                lmw             stmw     101
+     P1              D P1              D P1              D P1              D P1               D P1               D P1              D P1              D
+     48              I 49              I 50              I 51              I 52               I 53               I 54              I 55              I
+ 110          lfs                 lfsu              lfd               lfdu             stfs               stfsu               stfd            stfdu    110
+     P1              D P1              D P1              D P1              D P1               D P1               D P1              D P1              D
+     56              I 57                58                 59               60                 61                 62                63
+ 111          lq               EXT57             EXT58              EXT59            EXT60               EXT61             EXT62             EXT63     111
+     v2.03          DQ {extended}        {extended}         {extended}       {extended}         {extended}         {extended}        {extended}
+             000                   001              010                011              100                101                 110              111
+