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[/] [or1k/] [tags/] [start/] [gdb-5.0/] [sim/] [common/] [sim-cpu.c] - Rev 1765
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/* CPU support. Copyright (C) 1998 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 2, 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, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #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); }