| 1 | /* CPU support. |
| 2 | Copyright (C) 1998, 2007, 2008, 2009, 2010 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 3 of the License, or |
| 10 | (at your option) 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 |
| 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 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 | } |