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/* Lattice Mico32 simulator support code.
Contributed by Jon Beniston <jon@beniston.com>
Copyright (C) 2009-2020 Free Software Foundation, Inc.
This file is part of GDB.
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/>. */
#define WANT_CPU lm32bf
#define WANT_CPU_LM32BF
#include "sim-main.h"
#include "cgen-mem.h"
#include "cgen-ops.h"
/* The contents of BUF are in target byte order. */
int
lm32bf_fetch_register (SIM_CPU * current_cpu, int rn, unsigned char *buf,
int len)
{
if (rn < 32)
SETTSI (buf, lm32bf_h_gr_get (current_cpu, rn));
else
switch (rn)
{
case SIM_LM32_PC_REGNUM:
SETTSI (buf, lm32bf_h_pc_get (current_cpu));
break;
default:
return 0;
}
return -1;
}
/* The contents of BUF are in target byte order. */
int
lm32bf_store_register (SIM_CPU * current_cpu, int rn, unsigned char *buf,
int len)
{
if (rn < 32)
lm32bf_h_gr_set (current_cpu, rn, GETTSI (buf));
else
switch (rn)
{
case SIM_LM32_PC_REGNUM:
lm32bf_h_pc_set (current_cpu, GETTSI (buf));
break;
default:
return 0;
}
return -1;
}
#if WITH_PROFILE_MODEL_P
/* Initialize cycle counting for an insn.
FIRST_P is non-zero if this is the first insn in a set of parallel
insns. */
void
lm32bf_model_insn_before (SIM_CPU * cpu, int first_p)
{
}
/* Record the cycles computed for an insn.
LAST_P is non-zero if this is the last insn in a set of parallel insns,
and we update the total cycle count.
CYCLES is the cycle count of the insn. */
void
lm32bf_model_insn_after (SIM_CPU * cpu, int last_p, int cycles)
{
}
int
lm32bf_model_lm32_u_exec (SIM_CPU * cpu, const IDESC * idesc,
int unit_num, int referenced)
{
return idesc->timing->units[unit_num].done;
}
#endif /* WITH_PROFILE_MODEL_P */
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