| 1 | /* |
| 2 | * ========== Copyright Header Begin ========================================== |
| 3 | * |
| 4 | * OpenSPARC T2 Processor File: SS_PidContext.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 | |
| 24 | #ifndef __SS_PidContext_h__ |
| 25 | #define __SS_PidContext_h__ |
| 26 | |
| 27 | #include "SS_Types.h" |
| 28 | |
| 29 | class SS_PidContext |
| 30 | { |
| 31 | private: |
| 32 | enum |
| 33 | { |
| 34 | PRI_CTX = 1, |
| 35 | SEC_CTX = 0, |
| 36 | |
| 37 | PRI_CTX0 = 3, |
| 38 | PRI_CTX1 = 2, |
| 39 | SEC_CTX0 = 1, |
| 40 | SEC_CTX1 = 0, |
| 41 | |
| 42 | PID = 0 |
| 43 | }; |
| 44 | |
| 45 | public: |
| 46 | SS_PidContext() { pid_ctx.val = 0; } |
| 47 | |
| 48 | void init() { pid_ctx.val = 0; } |
| 49 | |
| 50 | void set_pri_ctx0( uint64_t ctx ) { pid_ctx.var[PRI_CTX0] = ctx; } |
| 51 | void set_pri_ctx1( uint64_t ctx ) { pid_ctx.var[PRI_CTX1] = ctx; } |
| 52 | |
| 53 | void set_sec_ctx0( uint64_t ctx ) { pid_ctx.var[SEC_CTX0] = ctx; } |
| 54 | void set_sec_ctx1( uint64_t ctx ) { pid_ctx.var[SEC_CTX1] = ctx; } |
| 55 | |
| 56 | void set_pid( uint_t pid ) { pid_ctx.var[PID] = pid; } |
| 57 | |
| 58 | uint64_t get() { return pid_ctx.val; } |
| 59 | uint32_t get_pri() { return pid_ctx.ctx[PRI_CTX]; } |
| 60 | uint32_t get_sec() { return pid_ctx.ctx[SEC_CTX]; } |
| 61 | |
| 62 | private: |
| 63 | union Data |
| 64 | { |
| 65 | uint16_t var[4]; |
| 66 | uint32_t ctx[2]; |
| 67 | uint64_t val; |
| 68 | }; |
| 69 | |
| 70 | Data pid_ctx; |
| 71 | }; |
| 72 | |
| 73 | #endif |
| 74 | |
| 75 | |
| 76 | |
| 77 | |