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c906108c SS |
1 | /* This file is part of the program psim. |
2 | ||
3 | Copyright (C) 1998, Andrew Cagney <[email protected]> | |
4 | ||
5 | This program is free software; you can redistribute it and/or modify | |
6 | it under the terms of the GNU General Public License as published by | |
3fd725ef | 7 | the Free Software Foundation; either version 3 of the License, or |
c906108c SS |
8 | (at your option) any later version. |
9 | ||
10 | This program is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | GNU General Public License for more details. | |
d3eb0aa2 | 14 | |
c906108c | 15 | You should have received a copy of the GNU General Public License |
51b318de | 16 | along with this program; if not, see <http://www.gnu.org/licenses/>. |
d3eb0aa2 | 17 | |
c906108c SS |
18 | */ |
19 | ||
6df01ab8 MF |
20 | /* This must come before any other includes. */ |
21 | #include "defs.h" | |
22 | ||
c906108c SS |
23 | #include "sim-main.h" |
24 | #include "m16_idecode.h" | |
25 | #include "m32_idecode.h" | |
26 | #include "bfd.h" | |
e5c9e53c | 27 | #include "sim-engine.h" |
c906108c SS |
28 | |
29 | ||
30 | #define SD sd | |
31 | #define CPU cpu | |
32 | ||
33 | void | |
34 | sim_engine_run (SIM_DESC sd, | |
35 | int next_cpu_nr, | |
36 | int nr_cpus, /* ignore */ | |
37 | int siggnal) /* ignore */ | |
38 | { | |
39 | sim_cpu *cpu = STATE_CPU (sd, next_cpu_nr); | |
034685f9 | 40 | address_word cia = CPU_PC_GET (cpu); |
c906108c SS |
41 | |
42 | while (1) | |
43 | { | |
44 | address_word nia; | |
45 | ||
46 | #if defined (ENGINE_ISSUE_PREFIX_HOOK) | |
47 | ENGINE_ISSUE_PREFIX_HOOK (); | |
48 | #endif | |
49 | ||
50 | if ((cia & 1)) | |
51 | { | |
52 | m16_instruction_word instruction_0 = IMEM16 (cia); | |
53 | nia = m16_idecode_issue (sd, instruction_0, cia); | |
54 | } | |
55 | else | |
56 | { | |
57 | m32_instruction_word instruction_0 = IMEM32 (cia); | |
58 | nia = m32_idecode_issue (sd, instruction_0, cia); | |
59 | } | |
60 | ||
61 | #if defined (ENGINE_ISSUE_POSTFIX_HOOK) | |
62 | ENGINE_ISSUE_POSTFIX_HOOK (); | |
63 | #endif | |
64 | ||
65 | /* Update the instruction address */ | |
66 | cia = nia; | |
67 | ||
68 | /* process any events */ | |
69 | if (sim_events_tick (sd)) | |
70 | { | |
034685f9 | 71 | CPU_PC_SET (CPU, cia); |
c906108c | 72 | sim_events_process (sd); |
034685f9 | 73 | cia = CPU_PC_GET (CPU); |
c906108c SS |
74 | } |
75 | ||
76 | } | |
77 | } |