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Diffstat (limited to 'sim/sh/sh-sim.h')
-rw-r--r-- | sim/sh/sh-sim.h | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/sim/sh/sh-sim.h b/sim/sh/sh-sim.h new file mode 100644 index 0000000..7f315b7 --- /dev/null +++ b/sim/sh/sh-sim.h @@ -0,0 +1,118 @@ +/* Moxie Simulator definition. + Copyright (C) 2009-2022 Free Software Foundation, Inc. + +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/>. */ + +#ifndef SH_SIM_H +#define SH_SIM_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. Probably should include pc too - to avoid + alignment repercussions. */ + 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 */ + + /* sh3e / sh-dsp */ + union fregs_u { + float f[16]; + double d[8]; + int i[16]; + } fregs[2]; + }; + int sregs[39]; + }; + + /* 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 */ + }; + int cregs[16]; + }; + + 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; + +#endif |