/* m32r simulator support code
- Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
+ Copyright (C) 1996-2021 Free Software Foundation, Inc.
Contributed by Cygnus Support.
-This file is part of GDB, the GNU debugger.
+ 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 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.
+ 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. */
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+/* This must come before any other includes. */
+#include "defs.h"
#define WANT_CPU m32rbf
#define WANT_CPU_M32RBF
#include "sim-main.h"
#include "cgen-mem.h"
#include "cgen-ops.h"
+#include <stdlib.h>
+
+/* Return the size of REGNO in bytes. */
+
+static int
+m32rbf_register_size (int regno)
+{
+ return 4;
+}
/* Decode gdb ctrl register number. */
case BPC_REGNUM : return H_CR_BPC;
case BBPSW_REGNUM : return H_CR_BBPSW;
case BBPC_REGNUM : return H_CR_BBPC;
+ case EVB_REGNUM : return H_CR_CR5;
}
abort ();
}
int
m32rbf_fetch_register (SIM_CPU *current_cpu, int rn, unsigned char *buf, int len)
{
+ int size = m32rbf_register_size (rn);
+ if (len != size)
+ return -1;
+
if (rn < 16)
- SETTWI (buf, a_m32r_h_gr_get (current_cpu, rn));
+ SETTWI (buf, m32rbf_h_gr_get (current_cpu, rn));
else
switch (rn)
{
case BPC_REGNUM :
case BBPSW_REGNUM :
case BBPC_REGNUM :
- SETTWI (buf, a_m32r_h_cr_get (current_cpu,
+ SETTWI (buf, m32rbf_h_cr_get (current_cpu,
m32r_decode_gdb_ctrl_regnum (rn)));
break;
case PC_REGNUM :
- SETTWI (buf, a_m32r_h_pc_get (current_cpu));
+ SETTWI (buf, m32rbf_h_pc_get (current_cpu));
break;
case ACCL_REGNUM :
- SETTWI (buf, GETLODI (a_m32r_h_accum_get (current_cpu)));
+ SETTWI (buf, GETLODI (m32rbf_h_accum_get (current_cpu)));
break;
case ACCH_REGNUM :
- SETTWI (buf, GETHIDI (a_m32r_h_accum_get (current_cpu)));
+ SETTWI (buf, GETHIDI (m32rbf_h_accum_get (current_cpu)));
break;
default :
return 0;
}
- return -1; /*FIXME*/
+ return size;
}
/* The contents of BUF are in target byte order. */
int
m32rbf_store_register (SIM_CPU *current_cpu, int rn, unsigned char *buf, int len)
{
+ int size = m32rbf_register_size (rn);
+ if (len != size)
+ return -1;
+
if (rn < 16)
- a_m32r_h_gr_set (current_cpu, rn, GETTWI (buf));
+ m32rbf_h_gr_set (current_cpu, rn, GETTWI (buf));
else
switch (rn)
{
case BPC_REGNUM :
case BBPSW_REGNUM :
case BBPC_REGNUM :
- a_m32r_h_cr_set (current_cpu,
+ m32rbf_h_cr_set (current_cpu,
m32r_decode_gdb_ctrl_regnum (rn),
GETTWI (buf));
break;
case PC_REGNUM :
- a_m32r_h_pc_set (current_cpu, GETTWI (buf));
+ m32rbf_h_pc_set (current_cpu, GETTWI (buf));
break;
case ACCL_REGNUM :
{
- DI val = a_m32r_h_accum_get (current_cpu);
+ DI val = m32rbf_h_accum_get (current_cpu);
SETLODI (val, GETTWI (buf));
- a_m32r_h_accum_set (current_cpu, val);
+ m32rbf_h_accum_set (current_cpu, val);
break;
}
case ACCH_REGNUM :
{
- DI val = a_m32r_h_accum_get (current_cpu);
+ DI val = m32rbf_h_accum_get (current_cpu);
SETHIDI (val, GETTWI (buf));
- a_m32r_h_accum_set (current_cpu, val);
+ m32rbf_h_accum_set (current_cpu, val);
break;
}
default :
return 0;
}
- return -1; /*FIXME*/
+ return size;
}
\f
USI