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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-7.2/] [gdb-7.2-or32-1.0rc1/] [sim/] [common/] [sim-cpu.c] - Rev 330
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/* CPU support. Copyright (C) 1998, 2007, 2008, 2009, 2010 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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