| Upstream | cc2ee17 | 1970-01-12 13:46:40 +0000 | [diff] [blame^] | 1 | # Pentium II possible unit masks |
| 2 | # |
| 3 | name:zero type:mandatory default:0x0 |
| 4 | 0x0 No unit mask |
| 5 | name:mesi type:bitmask default:0x0f |
| 6 | 0x08 (M)odified cache state |
| 7 | 0x04 (E)xclusive cache state |
| 8 | 0x02 (S)hared cache state |
| 9 | 0x01 (I)nvalid cache state |
| 10 | 0x0f All cache states |
| 11 | name:ebl type:exclusive default:0x20 |
| 12 | 0x00 self-generated transactions |
| 13 | 0x20 any transactions |
| 14 | name:mmx_uops type:mandatory default:0xf |
| 15 | 0x0f mandatory |
| 16 | name:mmx_instr_type_exec type:bitmask default:0x3f |
| 17 | 0x01 MMX packed multiplies |
| 18 | 0x02 MMX packed shifts |
| 19 | 0x04 MMX pack operations |
| 20 | 0x08 MMX unpack operations |
| 21 | 0x10 MMX packed logical |
| 22 | 0x20 MMX packed arithmetic |
| 23 | 0x3f all of the above |
| 24 | name:mmx_trans type:exclusive default:0x0 |
| 25 | 0x00 MMX->float operations |
| 26 | 0x01 float->MMX operations |
| 27 | name:seg_rename type:bitmask default:0xf |
| 28 | 0x1 ES register |
| 29 | 0x2 DS register |
| 30 | 0x4 FS register |
| 31 | # IA manual says this is actually FS again - no mention in errata |
| 32 | # but test show that is really a typo error from IA manual |
| 33 | 0x8 GS register |
| 34 | 0xf ES, DS, FS, GS registers |