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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 |