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https://github.com/autc04/Retro68.git
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131 lines
3.7 KiB
C
131 lines
3.7 KiB
C
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/* frv simulator support code
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Copyright (C) 1998-2020 Free Software Foundation, Inc.
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Contributed by Red Hat.
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This file is part of the GNU simulators.
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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 frv. */
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/* sim-basics.h includes config.h but cgen-types.h must be included before
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sim-basics.h and cgen-types.h needs config.h. */
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#include "config.h"
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/* This is a global setting. Different cpu families can't mix-n-match -scache
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and -pbb. However some cpu families may use -simple while others use
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one of -scache/-pbb. ???? */
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#define WITH_SCACHE_PBB 0
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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 "frv-desc.h"
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#include "frv-opc.h"
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#include "arch.h"
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#define SIM_ENGINE_HALT_HOOK(SD, LAST_CPU, CIA) \
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frv_sim_engine_halt_hook ((SD), (LAST_CPU), (CIA))
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#define SIM_ENGINE_RESTART_HOOK(SD, LAST_CPU, CIA) 0
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#include "sim-base.h"
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#include "cgen-sim.h"
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#include "frv-sim.h"
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#include "cache.h"
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#include "registers.h"
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#include "profile.h"
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void frv_sim_engine_halt_hook (SIM_DESC, SIM_CPU *, sim_cia);
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extern void frv_sim_close (SIM_DESC sd, int quitting);
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#define SIM_CLOSE_HOOK(...) frv_sim_close (__VA_ARGS__)
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/* The _sim_cpu struct. */
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struct _sim_cpu {
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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_FRVBF)
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FRVBF_CPU_DATA cpu_data;
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/* Control information for registers */
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FRV_REGISTER_CONTROL register_control;
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#define CPU_REGISTER_CONTROL(cpu) (& (cpu)->register_control)
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FRV_VLIW vliw;
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#define CPU_VLIW(cpu) (& (cpu)->vliw)
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FRV_CACHE insn_cache;
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#define CPU_INSN_CACHE(cpu) (& (cpu)->insn_cache)
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FRV_CACHE data_cache;
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#define CPU_DATA_CACHE(cpu) (& (cpu)->data_cache)
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FRV_PROFILE_STATE profile_state;
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#define CPU_PROFILE_STATE(cpu) (& (cpu)->profile_state)
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int debug_state;
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#define CPU_DEBUG_STATE(cpu) ((cpu)->debug_state)
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SI load_address;
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#define CPU_LOAD_ADDRESS(cpu) ((cpu)->load_address)
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SI load_length;
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#define CPU_LOAD_LENGTH(cpu) ((cpu)->load_length)
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SI load_flag;
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#define CPU_LOAD_SIGNED(cpu) ((cpu)->load_flag)
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#define CPU_LOAD_LOCK(cpu) ((cpu)->load_flag)
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SI store_flag;
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#define CPU_RSTR_INVALIDATE(cpu) ((cpu)->store_flag)
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unsigned long elf_flags;
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#define CPU_ELF_FLAGS(cpu) ((cpu)->elf_flags)
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#endif /* defined (WANT_CPU_FRVBF) */
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};
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/* The sim_state struct. */
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struct sim_state {
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sim_cpu *cpu[MAX_NR_PROCESSORS];
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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 frv_core_signal;
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#define SIM_CORE_SIGNAL(SD,CPU,CIA,MAP,NR_BYTES,ADDR,TRANSFER,ERROR) \
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frv_core_signal ((SD), (CPU), (CIA), (MAP), (NR_BYTES), (ADDR), \
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(TRANSFER), (ERROR))
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/* Default memory size. */
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#define FRV_DEFAULT_MEM_SIZE 0x800000 /* 8M */
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