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      1 /* This file defines the interface between the h8300 simulator and gdb.
      2    Copyright (C) 2002-2024 Free Software Foundation, Inc.
      3 
      4    This file is part of GDB.
      5 
      6    This program is free software; you can redistribute it and/or modify
      7    it under the terms of the GNU General Public License as published by
      8    the Free Software Foundation; either version 3 of the License, or
      9    (at your option) any later version.
     10 
     11    This program is distributed in the hope that it will be useful,
     12    but WITHOUT ANY WARRANTY; without even the implied warranty of
     13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     14    GNU General Public License for more details.
     15 
     16    You should have received a copy of the GNU General Public License
     17    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
     18 
     19 #if !defined (SIM_H8300_H)
     20 #define SIM_H8300_H
     21 
     22 /* The simulator makes use of the following register information. */
     23 
     24 enum sim_h8300_regs
     25   {
     26     /* Registers common to all the H8 variants. */
     27     /* Start here: */
     28     SIM_H8300_R0_REGNUM,
     29     SIM_H8300_R1_REGNUM,
     30     SIM_H8300_R2_REGNUM,
     31     SIM_H8300_R3_REGNUM,
     32     SIM_H8300_R4_REGNUM,
     33     SIM_H8300_R5_REGNUM,
     34     SIM_H8300_R6_REGNUM,
     35     SIM_H8300_R7_REGNUM,
     36 
     37     SIM_H8300_CCR_REGNUM,  /* Contains processor status */
     38     SIM_H8300_PC_REGNUM,   /* Contains program counter */
     39     /* End here */
     40 
     41     SIM_H8300_EXR_REGNUM,  /* Contains extended processor status
     42                               H8S and higher */
     43     SIM_H8300_MACL_REGNUM, /* Lower part of MAC register (26xx only)*/
     44     SIM_H8300_MACH_REGNUM, /* High part of MAC register (26xx only) */
     45 
     46     SIM_H8300_CYCLE_REGNUM,
     47     SIM_H8300_INST_REGNUM,
     48     SIM_H8300_TICK_REGNUM
     49   };
     50 
     51 enum
     52   {
     53     SIM_H8300_ARG_FIRST_REGNUM = SIM_H8300_R0_REGNUM, /* first reg in which an arg
     54                                                          may be passed */
     55     SIM_H8300_ARG_LAST_REGNUM = SIM_H8300_R3_REGNUM,  /* last  reg in which an arg
     56                                                          may be passed */
     57     SIM_H8300_FP_REGNUM = SIM_H8300_R6_REGNUM, /* Contain address of executing
     58                                                   stack frame */
     59     SIM_H8300_SP_REGNUM = SIM_H8300_R7_REGNUM  /* Contains address of top of stack */
     60   };
     61 
     62 enum
     63   {
     64     SIM_H8300_NUM_COMMON_REGS = 10,
     65     SIM_H8300_S_NUM_REGS = 13,
     66     SIM_H8300_NUM_REGS = 16
     67   };
     68 
     69 #endif				/* SIM_H8300_H */
     70