142 lines
3.1 KiB
C
142 lines
3.1 KiB
C
/* Moxie Simulator definition.
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Copyright (C) 2009-2020 Free Software Foundation, Inc.
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This file is part of GDB, the GNU debugger.
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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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#ifndef SIM_MAIN_H
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#define SIM_MAIN_H
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#include "sim-basics.h"
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#include "sim-base.h"
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typedef struct
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{
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int regs[20];
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} regstacktype;
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typedef union
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{
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struct
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{
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int regs[16];
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int pc;
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/* System registers. For sh-dsp this also includes A0 / X0 / X1 / Y0 / Y1
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which are located in fregs, i.e. strictly speaking, these are
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out-of-bounds accesses of sregs.i . This wart of the code could be
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fixed by making fregs part of sregs, and including pc too - to avoid
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alignment repercussions - but this would cause very onerous union /
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structure nesting, which would only be managable with anonymous
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unions and structs. */
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union
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{
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struct
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{
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int mach;
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int macl;
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int pr;
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int dummy3, dummy4;
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int fpul; /* A1 for sh-dsp - but only for movs etc. */
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int fpscr; /* dsr for sh-dsp */
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} named;
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int i[7];
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} sregs;
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/* sh3e / sh-dsp */
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union fregs_u
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{
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float f[16];
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double d[8];
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int i[16];
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}
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fregs[2];
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/* Control registers; on the SH4, ldc / stc is privileged, except when
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accessing gbr. */
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union
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{
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struct
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{
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int sr;
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int gbr;
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int vbr;
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int ssr;
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int spc;
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int mod;
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/* sh-dsp */
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int rs;
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int re;
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/* sh3 */
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int bank[8];
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int dbr; /* debug base register */
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int sgr; /* saved gr15 */
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int ldst; /* load/store flag (boolean) */
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int tbr;
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int ibcr; /* sh2a bank control register */
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int ibnr; /* sh2a bank number register */
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} named;
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int i[16];
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} cregs;
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unsigned char *insn_end;
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int ticks;
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int stalls;
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int memstalls;
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int cycles;
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int insts;
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int prevlock;
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int thislock;
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int exception;
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int end_of_registers;
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int msize;
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#define PROFILE_FREQ 1
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#define PROFILE_SHIFT 2
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int profile;
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unsigned short *profile_hist;
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unsigned char *memory;
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int xyram_select, xram_start, yram_start;
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unsigned char *xmem;
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unsigned char *ymem;
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unsigned char *xmem_offset;
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unsigned char *ymem_offset;
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unsigned long bfd_mach;
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regstacktype *regstack;
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} asregs;
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int asints[40];
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} saved_state_type;
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/* TODO: Move into sim_cpu. */
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extern saved_state_type saved_state;
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struct _sim_cpu {
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sim_cpu_base base;
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};
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struct sim_state {
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sim_cpu *cpu[MAX_NR_PROCESSORS];
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sim_state_base base;
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};
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#endif
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