| 1 | /* Lattice Mico32 simulator support code |
| 2 | Contributed by Jon Beniston <jon@beniston.com> |
| 3 | |
| 4 | Copyright (C) 2009 Free Software Foundation, Inc. |
| 5 | |
| 6 | This file is part of GDB. |
| 7 | |
| 8 | This program is free software; you can redistribute it and/or modify |
| 9 | it under the terms of the GNU General Public License as published by |
| 10 | the Free Software Foundation; either version 3 of the License, or |
| 11 | (at your option) any later version. |
| 12 | |
| 13 | This program is distributed in the hope that it will be useful, |
| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | GNU General Public License for more details. |
| 17 | |
| 18 | You should have received a copy of the GNU General Public License |
| 19 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 20 | |
| 21 | /* Main header for the LM32 simulator. */ |
| 22 | |
| 23 | #ifndef SIM_MAIN_H |
| 24 | #define SIM_MAIN_H |
| 25 | |
| 26 | #define USING_SIM_BASE_H /* FIXME: quick hack */ |
| 27 | |
| 28 | struct _sim_cpu; /* FIXME: should be in sim-basics.h */ |
| 29 | typedef struct _sim_cpu SIM_CPU; |
| 30 | |
| 31 | #include "symcat.h" |
| 32 | #include "sim-basics.h" |
| 33 | #include "cgen-types.h" |
| 34 | #include "lm32-desc.h" |
| 35 | #include "lm32-opc.h" |
| 36 | #include "arch.h" |
| 37 | |
| 38 | /* These must be defined before sim-base.h. */ |
| 39 | typedef USI sim_cia; |
| 40 | |
| 41 | #define CIA_GET(cpu) CPU_PC_GET (cpu) |
| 42 | #define CIA_SET(cpu,val) CPU_PC_SET ((cpu), (val)) |
| 43 | |
| 44 | #define SIM_ENGINE_HALT_HOOK(sd, cpu, cia) \ |
| 45 | do { \ |
| 46 | if (cpu) /* null if ctrl-c */ \ |
| 47 | sim_pc_set ((cpu), (cia)); \ |
| 48 | } while (0) |
| 49 | #define SIM_ENGINE_RESTART_HOOK(sd, cpu, cia) \ |
| 50 | do { \ |
| 51 | sim_pc_set ((cpu), (cia)); \ |
| 52 | } while (0) |
| 53 | |
| 54 | #include "sim-base.h" |
| 55 | #include "cgen-sim.h" |
| 56 | #include "lm32-sim.h" |
| 57 | #include "opcode/cgen.h" |
| 58 | \f |
| 59 | /* The _sim_cpu struct. */ |
| 60 | |
| 61 | struct _sim_cpu |
| 62 | { |
| 63 | /* sim/common cpu base. */ |
| 64 | sim_cpu_base base; |
| 65 | |
| 66 | /* Static parts of cgen. */ |
| 67 | CGEN_CPU cgen_cpu; |
| 68 | |
| 69 | /* CPU specific parts go here. |
| 70 | Note that in files that don't need to access these pieces WANT_CPU_FOO |
| 71 | won't be defined and thus these parts won't appear. This is ok in the |
| 72 | sense that things work. It is a source of bugs though. |
| 73 | One has to of course be careful to not take the size of this |
| 74 | struct and no structure members accessed in non-cpu specific files can |
| 75 | go after here. Oh for a better language. */ |
| 76 | #if defined (WANT_CPU_LM32BF) |
| 77 | LM32BF_CPU_DATA cpu_data; |
| 78 | #endif |
| 79 | |
| 80 | }; |
| 81 | \f |
| 82 | /* The sim_state struct. */ |
| 83 | |
| 84 | struct sim_state |
| 85 | { |
| 86 | sim_cpu *cpu; |
| 87 | #define STATE_CPU(sd, n) (/*&*/ (sd)->cpu) |
| 88 | |
| 89 | CGEN_STATE cgen_state; |
| 90 | |
| 91 | sim_state_base base; |
| 92 | }; |
| 93 | \f |
| 94 | /* Misc. */ |
| 95 | |
| 96 | /* Catch address exceptions. */ |
| 97 | extern SIM_CORE_SIGNAL_FN lm32_core_signal; |
| 98 | #define SIM_CORE_SIGNAL(SD,CPU,CIA,MAP,NR_BYTES,ADDR,TRANSFER,ERROR) \ |
| 99 | lm32_core_signal ((SD), (CPU), (CIA), (MAP), (NR_BYTES), (ADDR), \ |
| 100 | (TRANSFER), (ERROR)) |
| 101 | |
| 102 | #endif /* SIM_MAIN_H */ |