| /* CPU support. |
| Copyright (C) 1998-2021 Free Software Foundation, Inc. |
| Contributed by Cygnus Solutions. |
| |
| This file is part of GDB, the GNU debugger. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| |
| /* This must come before any other includes. */ |
| #include "defs.h" |
| |
| #include <stdlib.h> |
| |
| #include "sim-main.h" |
| #include "bfd.h" |
| |
| /* Allocate space for all cpus in the simulator. |
| Space for the cpu must currently exist prior to parsing ARGV. */ |
| /* ??? wip. better solution must wait. */ |
| |
| SIM_RC |
| sim_cpu_alloc_all (SIM_DESC sd, int ncpus) |
| { |
| int c; |
| |
| for (c = 0; c < ncpus; ++c) |
| STATE_CPU (sd, c) = sim_cpu_alloc (sd); |
| return SIM_RC_OK; |
| } |
| |
| /* Allocate space for a cpu object. |
| EXTRA_BYTES is additional space to allocate for the sim_cpu struct. */ |
| |
| sim_cpu * |
| sim_cpu_alloc (SIM_DESC sd) |
| { |
| int extra_bytes = 0; |
| |
| #ifdef CGEN_ARCH |
| extra_bytes += cgen_cpu_max_extra_bytes (sd); |
| #endif |
| |
| return zalloc (sizeof (sim_cpu) + extra_bytes); |
| } |
| |
| /* Free all resources held by all cpus. */ |
| |
| void |
| sim_cpu_free_all (SIM_DESC sd) |
| { |
| int c; |
| |
| for (c = 0; c < MAX_NR_PROCESSORS; ++c) |
| if (STATE_CPU (sd, c)) |
| sim_cpu_free (STATE_CPU (sd, c)); |
| } |
| |
| /* Free all resources used by CPU. */ |
| |
| void |
| sim_cpu_free (sim_cpu *cpu) |
| { |
| free (cpu); |
| } |
| |
| /* PC utilities. */ |
| |
| sim_cia |
| sim_pc_get (sim_cpu *cpu) |
| { |
| return (* CPU_PC_FETCH (cpu)) (cpu); |
| } |
| |
| void |
| sim_pc_set (sim_cpu *cpu, sim_cia newval) |
| { |
| (* CPU_PC_STORE (cpu)) (cpu, newval); |
| } |