Commit | Line | Data |
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433a8eaf DE |
1 | /* CPU support. |
2 | Copyright (C) 1998 Free Software Foundation, Inc. | |
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 | |
9 | the Free Software Foundation; either version 2, or (at your option) | |
10 | any later version. | |
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 | ||
17 | You should have received a copy of the GNU General Public License along | |
18 | with this program; if not, write to the Free Software Foundation, Inc., | |
19 | 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
20 | ||
21 | #include "sim-main.h" | |
22 | #include "bfd.h" | |
23 | ||
24 | /* Allocate space for all cpus in the simulator. | |
25 | Space for the cpu must currently exist prior to parsing ARGV. | |
26 | EXTRA_BYTES is additional space to allocate for the sim_cpu struct. */ | |
27 | /* ??? wip. better solution must wait. */ | |
28 | ||
29 | SIM_RC | |
30 | sim_cpu_alloc_all (SIM_DESC sd, int ncpus, int extra_bytes) | |
31 | { | |
32 | int c; | |
33 | ||
34 | for (c = 0; c < ncpus; ++c) | |
35 | STATE_CPU (sd, c) = sim_cpu_alloc (sd, extra_bytes); | |
36 | return SIM_RC_OK; | |
37 | } | |
38 | ||
39 | /* Allocate space for a cpu object. | |
40 | EXTRA_BYTES is additional space to allocate for the sim_cpu struct. */ | |
41 | ||
42 | sim_cpu * | |
43 | sim_cpu_alloc (SIM_DESC sd, int extra_bytes) | |
44 | { | |
45 | return zalloc (sizeof (sim_cpu) + extra_bytes); | |
46 | } | |
47 | ||
48 | /* Free all resources held by all cpus. */ | |
49 | ||
50 | void | |
51 | sim_cpu_free_all (SIM_DESC sd) | |
52 | { | |
53 | int c; | |
54 | ||
55 | for (c = 0; c < MAX_NR_PROCESSORS; ++c) | |
56 | if (STATE_CPU (sd, c)) | |
57 | sim_cpu_free (STATE_CPU (sd, c)); | |
58 | } | |
59 | ||
60 | /* Free all resources used by CPU. */ | |
61 | ||
62 | void | |
63 | sim_cpu_free (sim_cpu *cpu) | |
64 | { | |
65 | zfree (cpu); | |
66 | } | |
67 | \f | |
68 | /* PC utilities. */ | |
69 | ||
70 | sim_cia | |
71 | sim_pc_get (sim_cpu *cpu) | |
72 | { | |
73 | return (* CPU_PC_FETCH (cpu)) (cpu); | |
74 | } | |
75 | ||
76 | void | |
77 | sim_pc_set (sim_cpu *cpu, sim_cia newval) | |
78 | { | |
79 | (* CPU_PC_STORE (cpu)) (cpu, newval); | |
80 | } |