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https://opencores.org/ocsvn/openrisc_2011-10-31/openrisc_2011-10-31/trunk
Subversion Repositories openrisc_2011-10-31
[/] [openrisc/] [tags/] [gnu-src/] [gdb-6.8/] [pre-binutils-2.20.1-sync/] [sim/] [common/] [sim-cpu.c] - Rev 339
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/* CPU support. Copyright (C) 1998, 2007, 2008 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/>. */ #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); }
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