1 /* frv simulator support code 2 Copyright (C) 1998-2024 Free Software Foundation, Inc. 3 Contributed by Red Hat. 4 5 This file is part of the GNU simulators. 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 FRV_SIM_MAIN_H 21 #define FRV_SIM_MAIN_H 22 23 /* Main header for the frv. */ 24 25 /* This is a global setting. Different cpu families can't mix-n-match -scache 26 and -pbb. However some cpu families may use -simple while others use 27 one of -scache/-pbb. ???? */ 28 #define WITH_SCACHE_PBB 0 29 30 #include "sim-basics.h" 31 #include "opcodes/frv-desc.h" 32 #include <stdbool.h> 33 #include "opcodes/frv-opc.h" 34 #include "arch.h" 35 36 #define SIM_ENGINE_HALT_HOOK(SD, LAST_CPU, CIA) \ 37 frv_sim_engine_halt_hook ((SD), (LAST_CPU), (CIA)) 38 39 #define SIM_ENGINE_RESTART_HOOK(SD, LAST_CPU, CIA) 40 41 #include "sim-base.h" 42 #include "cgen-sim.h" 43 #include "frv-sim.h" 44 #include "cache.h" 45 #include "registers.h" 46 #include "profile.h" 47 48 void frv_sim_engine_halt_hook (SIM_DESC, SIM_CPU *, sim_cia); 49 50 extern void frv_sim_close (SIM_DESC sd, int quitting); 51 #define SIM_CLOSE_HOOK(...) frv_sim_close (__VA_ARGS__) 52 53 struct frv_sim_cpu { 54 /* CPU specific parts go here. 55 Note that in files that don't need to access these pieces WANT_CPU_FOO 56 won't be defined and thus these parts won't appear. This is ok in the 57 sense that things work. It is a source of bugs though. 58 One has to of course be careful to not take the size of this 59 struct and no structure members accessed in non-cpu specific files can 60 go after here. Oh for a better language. */ 61 #if defined (WANT_CPU_FRVBF) 62 FRVBF_CPU_DATA cpu_data; 63 64 /* Control information for registers */ 65 FRV_REGISTER_CONTROL register_control; 66 #define CPU_REGISTER_CONTROL(cpu) (& FRV_SIM_CPU (cpu)->register_control) 67 68 FRV_VLIW vliw; 69 #define CPU_VLIW(cpu) (& FRV_SIM_CPU (cpu)->vliw) 70 71 FRV_CACHE insn_cache; 72 #define CPU_INSN_CACHE(cpu) (& FRV_SIM_CPU (cpu)->insn_cache) 73 74 FRV_CACHE data_cache; 75 #define CPU_DATA_CACHE(cpu) (& FRV_SIM_CPU (cpu)->data_cache) 76 77 FRV_PROFILE_STATE profile_state; 78 #define CPU_PROFILE_STATE(cpu) (& FRV_SIM_CPU (cpu)->profile_state) 79 80 int debug_state; 81 #define CPU_DEBUG_STATE(cpu) (FRV_SIM_CPU (cpu)->debug_state) 82 83 SI load_address; 84 #define CPU_LOAD_ADDRESS(cpu) (FRV_SIM_CPU (cpu)->load_address) 85 86 SI load_length; 87 #define CPU_LOAD_LENGTH(cpu) (FRV_SIM_CPU (cpu)->load_length) 88 89 SI load_flag; 90 #define CPU_LOAD_SIGNED(cpu) (FRV_SIM_CPU (cpu)->load_flag) 91 #define CPU_LOAD_LOCK(cpu) (FRV_SIM_CPU (cpu)->load_flag) 92 93 SI store_flag; 94 #define CPU_RSTR_INVALIDATE(cpu) (FRV_SIM_CPU (cpu)->store_flag) 95 96 unsigned long elf_flags; 97 #define CPU_ELF_FLAGS(cpu) (FRV_SIM_CPU (cpu)->elf_flags) 98 #endif /* defined (WANT_CPU_FRVBF) */ 99 }; 100 #define FRV_SIM_CPU(cpu) ((struct frv_sim_cpu *) CPU_ARCH_DATA (cpu)) 101 102 /* Misc. */ 103 104 /* Catch address exceptions. */ 105 extern SIM_CORE_SIGNAL_FN frv_core_signal ATTRIBUTE_NORETURN; 106 #define SIM_CORE_SIGNAL(SD,CPU,CIA,MAP,NR_BYTES,ADDR,TRANSFER,ERROR) \ 107 frv_core_signal ((SD), (CPU), (CIA), (MAP), (NR_BYTES), (ADDR), \ 108 (TRANSFER), (ERROR)) 109 110 /* Default memory size. */ 111 #define FRV_DEFAULT_MEM_SIZE 0x800000 /* 8M */ 112 113 void frvbf_model_branch (SIM_CPU *, PCADDR, int hint); 114 void frvbf_perform_writeback (SIM_CPU *); 115 116 #endif 117