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/* Moxie Simulator definition.
Copyright (C) 2009-2015 Free Software Foundation, Inc.
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 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/>. */
#ifndef SIM_MAIN_H
#define SIM_MAIN_H
#include "sim-basics.h"
typedef address_word sim_cia;
typedef struct _sim_cpu SIM_CPU;
#include "sim-base.h"
typedef struct
{
int regs[20];
} regstacktype;
typedef union
{
struct
{
int regs[16];
int pc;
/* System registers. For sh-dsp this also includes A0 / X0 / X1 / Y0 / Y1
which are located in fregs, i.e. strictly speaking, these are
out-of-bounds accesses of sregs.i . This wart of the code could be
fixed by making fregs part of sregs, and including pc too - to avoid
alignment repercussions - but this would cause very onerous union /
structure nesting, which would only be managable with anonymous
unions and structs. */
union
{
struct
{
int mach;
int macl;
int pr;
int dummy3, dummy4;
int fpul; /* A1 for sh-dsp - but only for movs etc. */
int fpscr; /* dsr for sh-dsp */
} named;
int i[7];
} sregs;
/* sh3e / sh-dsp */
union fregs_u
{
float f[16];
double d[8];
int i[16];
}
fregs[2];
/* Control registers; on the SH4, ldc / stc is privileged, except when
accessing gbr. */
union
{
struct
{
int sr;
int gbr;
int vbr;
int ssr;
int spc;
int mod;
/* sh-dsp */
int rs;
int re;
/* sh3 */
int bank[8];
int dbr; /* debug base register */
int sgr; /* saved gr15 */
int ldst; /* load/store flag (boolean) */
int tbr;
int ibcr; /* sh2a bank control register */
int ibnr; /* sh2a bank number register */
} named;
int i[16];
} cregs;
unsigned char *insn_end;
int ticks;
int stalls;
int memstalls;
int cycles;
int insts;
int prevlock;
int thislock;
int exception;
int end_of_registers;
int msize;
#define PROFILE_FREQ 1
#define PROFILE_SHIFT 2
int profile;
unsigned short *profile_hist;
unsigned char *memory;
int xyram_select, xram_start, yram_start;
unsigned char *xmem;
unsigned char *ymem;
unsigned char *xmem_offset;
unsigned char *ymem_offset;
unsigned long bfd_mach;
regstacktype *regstack;
} asregs;
int asints[40];
} saved_state_type;
/* TODO: Move into sim_cpu. */
extern saved_state_type saved_state;
struct _sim_cpu {
sim_cpu_base base;
};
struct sim_state {
sim_cpu *cpu[MAX_NR_PROCESSORS];
sim_state_base base;
};
#endif
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