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1 | /* |
2 | * ========== Copyright Header Begin ========================================== | |
3 | * | |
4 | * OpenSPARC T2 Processor File: SS_RegCompare.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_RegCompare_h__ | |
25 | #define __SS_RegCompare_h__ | |
26 | ||
27 | #include "SS_Strand.h" | |
28 | #include "SS_PliSocket.h" | |
29 | ||
30 | class SS_RegCompare | |
31 | { | |
32 | public: | |
33 | // make sure CTR_CMPR_MAX is larger than the registers in RegId | |
34 | // (of bin/SS_RegCompare.h). | |
35 | enum { CTR_G=0, CTR_W=1, CTR_F=2, CTR_INSTR=254, CTR_OPCODE=255, CTR_CMPR_MAX=256 }; | |
36 | ||
37 | SS_RegCompare( SS_Strand* _strand, SS_PliSocket* _socket ); | |
38 | ||
39 | void debug_output( FILE* _dbg_out ) { dbg_out = _dbg_out; } | |
40 | ||
41 | void initialise(); | |
42 | void compare(); | |
43 | void dump_regs(); | |
44 | bool is_initialise() { return inited; } | |
45 | ||
46 | void cmpr_on() { for (int i=0; i<CTR_CMPR_MAX; i++) cmpr_list[i]=true; } | |
47 | void cmpr_on( int ii ) { assert(ii<CTR_CMPR_MAX); cmpr_list[ii]=true; } | |
48 | void cmpr_off() { for (int i=0; i<CTR_CMPR_MAX; i++) cmpr_list[i]=false; } | |
49 | void cmpr_off( int ii ) { assert(ii<CTR_CMPR_MAX); cmpr_list[ii]=false; } | |
50 | bool is_cmpr( int ii ) { return cmpr_list[ii]; } | |
51 | ||
52 | protected: | |
53 | uint64_t grf[(1 + SS_Strand::MAX_GL) * 8]; | |
54 | uint64_t wrf[(1 + SS_Strand::MAX_WP) * 16]; | |
55 | uint32_t frf[64]; | |
56 | ||
57 | FILE* dbg_out; | |
58 | ||
59 | SS_PliSocket* socket; | |
60 | bool inited; | |
61 | ||
62 | // 'true' to one entry means its corresponding register will be included | |
63 | // in delta generation and replay comparison. | |
64 | bool cmpr_list[CTR_CMPR_MAX]; | |
65 | // 'true' mean an instruction has generate one or more register delta | |
66 | bool new_delta; | |
67 | ||
68 | private: | |
69 | SS_Strand* strand; | |
70 | }; | |
71 | ||
72 | #endif | |
73 | ||
74 |