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.
142 lines
4 KiB
C
142 lines
4 KiB
C
/* frv simulator support code
|
||
Copyright (C) 1998-2015 Free Software Foundation, Inc.
|
||
Contributed by Red Hat.
|
||
|
||
This file is part of the GNU simulators.
|
||
|
||
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/>. */
|
||
|
||
/* Main header for the frv. */
|
||
|
||
#define USING_SIM_BASE_H /* FIXME: quick hack */
|
||
|
||
struct _sim_cpu; /* FIXME: should be in sim-basics.h */
|
||
typedef struct _sim_cpu SIM_CPU;
|
||
|
||
/* Set the mask of unsupported traces. */
|
||
#define WITH_TRACE \
|
||
(~(TRACE_alu | TRACE_decode | TRACE_memory | TRACE_model | TRACE_fpu \
|
||
| TRACE_branch | TRACE_debug))
|
||
|
||
/* sim-basics.h includes config.h but cgen-types.h must be included before
|
||
sim-basics.h and cgen-types.h needs config.h. */
|
||
#include "config.h"
|
||
|
||
#include "symcat.h"
|
||
#include "sim-basics.h"
|
||
#include "cgen-types.h"
|
||
#include "frv-desc.h"
|
||
#include "frv-opc.h"
|
||
#include "arch.h"
|
||
|
||
/* These must be defined before sim-base.h. */
|
||
typedef USI sim_cia;
|
||
|
||
#define CIA_GET(cpu) CPU_PC_GET (cpu)
|
||
#define CIA_SET(cpu,val) CPU_PC_SET ((cpu), (val))
|
||
|
||
void frv_sim_engine_halt_hook (SIM_DESC, SIM_CPU *, sim_cia);
|
||
#define SIM_ENGINE_HALT_HOOK(SD, LAST_CPU, CIA) \
|
||
frv_sim_engine_halt_hook ((SD), (LAST_CPU), (CIA))
|
||
|
||
#define SIM_ENGINE_RESTART_HOOK(SD, LAST_CPU, CIA) 0
|
||
|
||
#include "sim-base.h"
|
||
#include "cgen-sim.h"
|
||
#include "frv-sim.h"
|
||
#include "cache.h"
|
||
#include "registers.h"
|
||
#include "profile.h"
|
||
|
||
/* The _sim_cpu struct. */
|
||
|
||
struct _sim_cpu {
|
||
/* sim/common cpu base. */
|
||
sim_cpu_base base;
|
||
|
||
/* Static parts of cgen. */
|
||
CGEN_CPU cgen_cpu;
|
||
|
||
/* CPU specific parts go here.
|
||
Note that in files that don't need to access these pieces WANT_CPU_FOO
|
||
won't be defined and thus these parts won't appear. This is ok in the
|
||
sense that things work. It is a source of bugs though.
|
||
One has to of course be careful to not take the size of this
|
||
struct and no structure members accessed in non-cpu specific files can
|
||
go after here. Oh for a better language. */
|
||
#if defined (WANT_CPU_FRVBF)
|
||
FRVBF_CPU_DATA cpu_data;
|
||
|
||
/* Control information for registers */
|
||
FRV_REGISTER_CONTROL register_control;
|
||
#define CPU_REGISTER_CONTROL(cpu) (& (cpu)->register_control)
|
||
|
||
FRV_VLIW vliw;
|
||
#define CPU_VLIW(cpu) (& (cpu)->vliw)
|
||
|
||
FRV_CACHE insn_cache;
|
||
#define CPU_INSN_CACHE(cpu) (& (cpu)->insn_cache)
|
||
|
||
FRV_CACHE data_cache;
|
||
#define CPU_DATA_CACHE(cpu) (& (cpu)->data_cache)
|
||
|
||
FRV_PROFILE_STATE profile_state;
|
||
#define CPU_PROFILE_STATE(cpu) (& (cpu)->profile_state)
|
||
|
||
int debug_state;
|
||
#define CPU_DEBUG_STATE(cpu) ((cpu)->debug_state)
|
||
|
||
SI load_address;
|
||
#define CPU_LOAD_ADDRESS(cpu) ((cpu)->load_address)
|
||
|
||
SI load_length;
|
||
#define CPU_LOAD_LENGTH(cpu) ((cpu)->load_length)
|
||
|
||
SI load_flag;
|
||
#define CPU_LOAD_SIGNED(cpu) ((cpu)->load_flag)
|
||
#define CPU_LOAD_LOCK(cpu) ((cpu)->load_flag)
|
||
|
||
SI store_flag;
|
||
#define CPU_RSTR_INVALIDATE(cpu) ((cpu)->store_flag)
|
||
|
||
unsigned long elf_flags;
|
||
#define CPU_ELF_FLAGS(cpu) ((cpu)->elf_flags)
|
||
#endif /* defined (WANT_CPU_FRVBF) */
|
||
};
|
||
|
||
/* The sim_state struct. */
|
||
|
||
struct sim_state {
|
||
sim_cpu *cpu[MAX_NR_PROCESSORS];
|
||
#if (WITH_SMP)
|
||
#define STATE_CPU(sd,n) ((sd)->cpu[n])
|
||
#else
|
||
#define STATE_CPU(sd,n) ((sd)->cpu[0])
|
||
#endif
|
||
|
||
CGEN_STATE cgen_state;
|
||
|
||
sim_state_base base;
|
||
};
|
||
|
||
/* Misc. */
|
||
|
||
/* Catch address exceptions. */
|
||
extern SIM_CORE_SIGNAL_FN frv_core_signal;
|
||
#define SIM_CORE_SIGNAL(SD,CPU,CIA,MAP,NR_BYTES,ADDR,TRANSFER,ERROR) \
|
||
frv_core_signal ((SD), (CPU), (CIA), (MAP), (NR_BYTES), (ADDR), \
|
||
(TRANSFER), (ERROR))
|
||
|
||
/* Default memory size. */
|
||
#define FRV_DEFAULT_MEM_SIZE 0x800000 /* 8M */
|