f95f4ed2c4
This sets up the sim_state structure and the cpu member to match what we do in most other sims, and what the common code suggests. This is a step to unifying on the sim-cpu.o object.
106 lines
2.8 KiB
C
106 lines
2.8 KiB
C
/* Lattice Mico32 simulator support code
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Contributed by Jon Beniston <jon@beniston.com>
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Copyright (C) 2009-2015 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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/* Main header for the LM32 simulator. */
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#ifndef SIM_MAIN_H
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#define SIM_MAIN_H
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#define USING_SIM_BASE_H /* FIXME: quick hack */
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struct _sim_cpu; /* FIXME: should be in sim-basics.h */
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typedef struct _sim_cpu SIM_CPU;
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#include "symcat.h"
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#include "sim-basics.h"
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#include "cgen-types.h"
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#include "lm32-desc.h"
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#include "lm32-opc.h"
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#include "arch.h"
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/* These must be defined before sim-base.h. */
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typedef USI sim_cia;
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#define CIA_GET(cpu) CPU_PC_GET (cpu)
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#define CIA_SET(cpu,val) CPU_PC_SET ((cpu), (val))
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#define SIM_ENGINE_HALT_HOOK(sd, cpu, cia) \
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do { \
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if (cpu) /* null if ctrl-c */ \
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sim_pc_set ((cpu), (cia)); \
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} while (0)
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#define SIM_ENGINE_RESTART_HOOK(sd, cpu, cia) \
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do { \
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sim_pc_set ((cpu), (cia)); \
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} while (0)
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#include "sim-base.h"
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#include "cgen-sim.h"
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#include "lm32-sim.h"
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#include "opcode/cgen.h"
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/* The _sim_cpu struct. */
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struct _sim_cpu
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{
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/* sim/common cpu base. */
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sim_cpu_base base;
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/* Static parts of cgen. */
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CGEN_CPU cgen_cpu;
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/* CPU specific parts go here.
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Note that in files that don't need to access these pieces WANT_CPU_FOO
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won't be defined and thus these parts won't appear. This is ok in the
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sense that things work. It is a source of bugs though.
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One has to of course be careful to not take the size of this
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struct and no structure members accessed in non-cpu specific files can
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go after here. Oh for a better language. */
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#if defined (WANT_CPU_LM32BF)
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LM32BF_CPU_DATA cpu_data;
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#endif
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};
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/* The sim_state struct. */
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struct sim_state
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{
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sim_cpu *cpu[MAX_NR_PROCESSORS];
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#if (WITH_SMP)
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#define STATE_CPU(sd,n) ((sd)->cpu[n])
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#else
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#define STATE_CPU(sd,n) ((sd)->cpu[0])
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#endif
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CGEN_STATE cgen_state;
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sim_state_base base;
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};
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/* Misc. */
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/* Catch address exceptions. */
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extern SIM_CORE_SIGNAL_FN lm32_core_signal;
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#define SIM_CORE_SIGNAL(SD,CPU,CIA,MAP,NR_BYTES,ADDR,TRANSFER,ERROR) \
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lm32_core_signal ((SD), (CPU), (CIA), (MAP), (NR_BYTES), (ADDR), \
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(TRANSFER), (ERROR))
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#endif /* SIM_MAIN_H */
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