1999-04-16 01:35:26 +00:00
|
|
|
|
/* CPU support.
|
2007-01-09 17:59:20 +00:00
|
|
|
|
Copyright (C) 1998, 2007 Free Software Foundation, Inc.
|
1999-04-16 01:35:26 +00:00
|
|
|
|
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
|
2007-08-24 14:30:15 +00:00
|
|
|
|
the Free Software Foundation; either version 3 of the License, or
|
|
|
|
|
|
(at your option) any later version.
|
1999-04-16 01:35:26 +00:00
|
|
|
|
|
|
|
|
|
|
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.
|
|
|
|
|
|
|
2007-08-24 14:30:15 +00:00
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
|
|
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>. */
|
1999-04-16 01:35:26 +00:00
|
|
|
|
|
|
|
|
|
|
#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.
|
|
|
|
|
|
EXTRA_BYTES is additional space to allocate for the sim_cpu struct. */
|
|
|
|
|
|
/* ??? wip. better solution must wait. */
|
|
|
|
|
|
|
|
|
|
|
|
SIM_RC
|
|
|
|
|
|
sim_cpu_alloc_all (SIM_DESC sd, int ncpus, int extra_bytes)
|
|
|
|
|
|
{
|
|
|
|
|
|
int c;
|
|
|
|
|
|
|
|
|
|
|
|
for (c = 0; c < ncpus; ++c)
|
|
|
|
|
|
STATE_CPU (sd, c) = sim_cpu_alloc (sd, extra_bytes);
|
|
|
|
|
|
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)
|
|
|
|
|
|
{
|
|
|
|
|
|
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)
|
|
|
|
|
|
{
|
|
|
|
|
|
zfree (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);
|
|
|
|
|
|
}
|
