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c906108c | 1 | /* CPU support. |
9b254dd1 | 2 | Copyright (C) 1998, 2007, 2008 Free Software Foundation, Inc. |
c906108c SS |
3 | Contributed by Cygnus Solutions. |
4 | ||
5 | This file is part of GDB, the GNU debugger. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
4744ac1b JB |
9 | the Free Software Foundation; either version 3 of the License, or |
10 | (at your option) any later version. | |
c906108c SS |
11 | |
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
4744ac1b JB |
17 | You should have received a copy of the GNU General Public License |
18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
c906108c SS |
19 | |
20 | #include "sim-main.h" | |
21 | #include "bfd.h" | |
22 | ||
23 | /* Allocate space for all cpus in the simulator. | |
24 | Space for the cpu must currently exist prior to parsing ARGV. | |
25 | EXTRA_BYTES is additional space to allocate for the sim_cpu struct. */ | |
26 | /* ??? wip. better solution must wait. */ | |
27 | ||
28 | SIM_RC | |
29 | sim_cpu_alloc_all (SIM_DESC sd, int ncpus, int extra_bytes) | |
30 | { | |
31 | int c; | |
32 | ||
33 | for (c = 0; c < ncpus; ++c) | |
34 | STATE_CPU (sd, c) = sim_cpu_alloc (sd, extra_bytes); | |
35 | return SIM_RC_OK; | |
36 | } | |
37 | ||
38 | /* Allocate space for a cpu object. | |
39 | EXTRA_BYTES is additional space to allocate for the sim_cpu struct. */ | |
40 | ||
41 | sim_cpu * | |
42 | sim_cpu_alloc (SIM_DESC sd, int extra_bytes) | |
43 | { | |
44 | return zalloc (sizeof (sim_cpu) + extra_bytes); | |
45 | } | |
46 | ||
47 | /* Free all resources held by all cpus. */ | |
48 | ||
49 | void | |
50 | sim_cpu_free_all (SIM_DESC sd) | |
51 | { | |
52 | int c; | |
53 | ||
54 | for (c = 0; c < MAX_NR_PROCESSORS; ++c) | |
55 | if (STATE_CPU (sd, c)) | |
56 | sim_cpu_free (STATE_CPU (sd, c)); | |
57 | } | |
58 | ||
59 | /* Free all resources used by CPU. */ | |
60 | ||
61 | void | |
62 | sim_cpu_free (sim_cpu *cpu) | |
63 | { | |
64 | zfree (cpu); | |
65 | } | |
66 | \f | |
67 | /* PC utilities. */ | |
68 | ||
69 | sim_cia | |
70 | sim_pc_get (sim_cpu *cpu) | |
71 | { | |
72 | return (* CPU_PC_FETCH (cpu)) (cpu); | |
73 | } | |
74 | ||
75 | void | |
76 | sim_pc_set (sim_cpu *cpu, sim_cia newval) | |
77 | { | |
78 | (* CPU_PC_STORE (cpu)) (cpu, newval); | |
79 | } |