Initial creation of sourceware repositorygdb-4_18-branchpoint

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);
+}