gdb/z80-tdep.h

   1 /* Target-dependent code for the Z80.
   2
   3    Copyright (C) 2002-2023 Free Software Foundation, Inc.
   4
   5    This file is part of GDB.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  19
  20 #ifndef Z80_TDEP_H
  21 #define Z80_TDEP_H
  22
  23 /* Register pair constants
  24    Order optimized for gdb-stub implementation
  25    Most of register pairs are 16 bit length on Z80 and
  26    24 bit on eZ80 in ADL or MADL modes */
  27 enum z80_regnum
  28 {
  29   Z80_AF_REGNUM,
  30   Z80_BC_REGNUM,
  31   Z80_DE_REGNUM,
  32   Z80_HL_REGNUM,
  33   Z80_SP_REGNUM,        /* SPL on eZ80 CPU */
  34   Z80_PC_REGNUM,
  35   Z80_IX_REGNUM,
  36   Z80_IY_REGNUM,
  37   Z80_AFA_REGNUM,
  38   Z80_BCA_REGNUM,
  39   Z80_DEA_REGNUM,
  40   Z80_HLA_REGNUM,
  41   Z80_IR_REGNUM,
  42 /* eZ80 only registers */
  43   Z80_SPS_REGNUM        /* SPS register of eZ80 CPU */
  44 };
  45
  46 #define Z80_NUM_REGS    13
  47 #define Z80_REG_BYTES   (Z80_NUM_REGS*2)
  48
  49 #define EZ80_NUM_REGS   (Z80_NUM_REGS + 1)
  50 #define EZ80_REG_BYTES  (EZ80_NUM_REGS*3)
  51
  52 #endif /* z80-tdep.h */