1 /* This file defines the interface between the h8300 simulator and gdb. 2 Copyright (C) 2002-2022 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