| 1 | /* |
| 2 | * ========== Copyright Header Begin ========================================== |
| 3 | * |
| 4 | * OpenSPARC T2 Processor File: pstate.H |
| 5 | * Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved. |
| 6 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES. |
| 7 | * |
| 8 | * The above named program is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public |
| 10 | * License version 2 as published by the Free Software Foundation. |
| 11 | * |
| 12 | * The above named program is distributed in the hope that it will be |
| 13 | * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | * General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public |
| 18 | * License along with this work; if not, write to the Free Software |
| 19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. |
| 20 | * |
| 21 | * ========== Copyright Header End ============================================ |
| 22 | */ |
| 23 | // ========== Copyright Header Begin ========================================== |
| 24 | // |
| 25 | // OpenSPARC T2 Processor File: pstate.H |
| 26 | // Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved. |
| 27 | // DO NOT ALTER OR REMOVE COPYRIGHT NOTICES. |
| 28 | // |
| 29 | // The above named program is free software; you can redistribute it and/or |
| 30 | // modify it under the terms of the GNU General Public |
| 31 | // License version 2 as published by the Free Software Foundation. |
| 32 | // |
| 33 | // The above named program is distributed in the hope that it will be |
| 34 | // useful, but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 35 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 36 | // General Public License for more details. |
| 37 | // |
| 38 | // You should have received a copy of the GNU General Public |
| 39 | // License along with this work; if not, write to the Free Software |
| 40 | // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. |
| 41 | // |
| 42 | // ========== Copyright Header End ============================================ |
| 43 | enum { |
| 44 | PSTATE_CLE = 2, |
| 45 | PSTATE_TLE, |
| 46 | PSTATE_MM, |
| 47 | PSTATE_RED, |
| 48 | PSTATE_PEF, |
| 49 | PSTATE_AM, |
| 50 | PSTATE_PRIV, |
| 51 | PSTATE_IE, |
| 52 | PSTATE_AG |
| 53 | }; |
| 54 | |
| 55 | class Pstate { |
| 56 | public: |
| 57 | uint32_t pstate; |
| 58 | |
| 59 | Pstate() { |
| 60 | pstate = 0x0; // PSTATE.AM == 0 |
| 61 | } |
| 62 | |
| 63 | int getField(int field) { |
| 64 | int pstate_field; |
| 65 | |
| 66 | switch (field) { |
| 67 | case PSTATE_CLE: |
| 68 | pstate_field = (pstate << 22) >> 31; |
| 69 | break; |
| 70 | case PSTATE_TLE: |
| 71 | pstate_field = (pstate << 23) >> 31; |
| 72 | break; |
| 73 | case PSTATE_MM: |
| 74 | pstate_field = (pstate << 24) >> 30; |
| 75 | break; |
| 76 | case PSTATE_RED: |
| 77 | pstate_field = (pstate << 26) >> 31; |
| 78 | break; |
| 79 | case PSTATE_PEF: |
| 80 | pstate_field = (pstate << 27) >> 31; |
| 81 | break; |
| 82 | case PSTATE_AM: |
| 83 | pstate_field = (pstate << 28) >> 31; |
| 84 | break; |
| 85 | case PSTATE_PRIV: |
| 86 | pstate_field = (pstate << 29) >> 31; |
| 87 | break; |
| 88 | case PSTATE_IE: |
| 89 | pstate_field = (pstate << 30) >> 31; |
| 90 | break; |
| 91 | case PSTATE_AG: |
| 92 | pstate_field = (pstate << 31) >> 31; |
| 93 | break; |
| 94 | default: |
| 95 | fprintf(stderr, "Warning: invalid field param passed to Pstate::getField() (field=%d)\n", field); |
| 96 | } |
| 97 | |
| 98 | return pstate_field; |
| 99 | } |
| 100 | }; // Pstate |