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authorDoug Evans <dje@google.com>1998-05-07 02:08:05 +0000
committerDoug Evans <dje@google.com>1998-05-07 02:08:05 +0000
commit433a8eafaa36690aa99ca3a9c2455d222983ab19 (patch)
tree5299bf9614f617627432bfdefb2372c8a3a87030 /sim/common/sim-cpu.c
parent2ac0ca44d3e2410a06f4186beceeced27b25b18a (diff)
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* Make-common (sim_main_headers): Sort.
(cgen-*.o): Add cgen-sim.h dependency. * sim-cpu.h: New file. sim_cpu_base moved here. Move sim_cpu_lookup decl here. * sim-base.h: #include "sim-cpu.h". * sim-cpu.c: New file. * Make-common (sim_main_headers): Add sim-cpu.h. (sim-cpu.o): Add rule for.
Diffstat (limited to 'sim/common/sim-cpu.c')
-rw-r--r--sim/common/sim-cpu.c80
1 files changed, 80 insertions, 0 deletions
diff --git a/sim/common/sim-cpu.c b/sim/common/sim-cpu.c
new file mode 100644
index 0000000..0e6d52c
--- /dev/null
+++ b/sim/common/sim-cpu.c
@@ -0,0 +1,80 @@
+/* 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);
+}