| # Pentium II possible unit masks |
| # |
| name:zero type:mandatory default:0x0 |
| 0x0 No unit mask |
| name:mesi type:bitmask default:0x0f |
| 0x08 (M)odified cache state |
| 0x04 (E)xclusive cache state |
| 0x02 (S)hared cache state |
| 0x01 (I)nvalid cache state |
| 0x0f All cache states |
| name:ebl type:exclusive default:0x20 |
| 0x00 self-generated transactions |
| 0x20 any transactions |
| name:mmx_uops type:mandatory default:0xf |
| 0x0f mandatory |
| name:mmx_instr_type_exec type:bitmask default:0x3f |
| 0x01 MMX packed multiplies |
| 0x02 MMX packed shifts |
| 0x04 MMX pack operations |
| 0x08 MMX unpack operations |
| 0x10 MMX packed logical |
| 0x20 MMX packed arithmetic |
| 0x3f all of the above |
| name:mmx_trans type:exclusive default:0x0 |
| 0x00 MMX->float operations |
| 0x01 float->MMX operations |
| name:seg_rename type:bitmask default:0xf |
| 0x1 ES register |
| 0x2 DS register |
| 0x4 FS register |
| # IA manual says this is actually FS again - no mention in errata |
| # but test show that is really a typo error from IA manual |
| 0x8 GS register |
| 0xf ES, DS, FS, GS registers |
