1 /* Copyright 2009-2024 Free Software Foundation, Inc. 2 3 This file is part of the Xilinx MicroBlaze simulator. 4 5 This library is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by 7 the Free Software Foundation; either version 3 of the License, or 8 (at your option) any later version. 9 10 This program is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU General Public License for more details. 14 15 You should have received a copy of the GNU General Public License 16 along with this program; if not, see <http://www.gnu.org/licenses/>. */ 17 18 #ifndef MICROBLAZE_SIM_H 19 #define MICROBLAZE_SIM_H 20 21 #include "microblaze.h" 22 23 /* The machine state. 24 This state is maintained in host byte order. The 25 fetch/store register functions must translate between host 26 byte order and the target processor byte order. 27 Keeping this data in target byte order simplifies the register 28 read/write functions. Keeping this data in native order improves 29 the performance of the simulator. Simulation speed is deemed more 30 important. */ 31 32 /* The ordering of the microblaze_regset structure is matched in the 33 gdb/config/microblaze/tm-microblaze.h file in the REGISTER_NAMES macro. */ 34 struct microblaze_regset 35 { 36 signed_4 regs[32]; /* primary registers */ 37 signed_4 spregs[2]; /* pc + msr */ 38 int cycles; 39 int insts; 40 unsigned_1 imm_enable; 41 signed_2 imm_high; 42 }; 43 44 #define MICROBLAZE_SIM_CPU(cpu) ((struct microblaze_regset *) CPU_ARCH_DATA (cpu)) 45 46 #endif /* MICROBLAZE_SIM_H */ 47