projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| c28c63d8 JB |
1 | /* Lattice Mico32 simulator support code. |
| 2 | Contributed by Jon Beniston <jon@beniston.com> | |
| 3 | ||
| 88b9d363 | 4 | Copyright (C) 2009-2022 Free Software Foundation, Inc. |
| c28c63d8 JB |
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 | ||
| 6df01ab8 MF |
21 | /* This must come before any other includes. */ |
| 22 | #include "defs.h" | |
| 23 | ||
| c28c63d8 JB |
24 | #define WANT_CPU lm32bf |
| 25 | #define WANT_CPU_LM32BF | |
| 26 | ||
| 27 | #include "sim-main.h" | |
| 28 | #include "cgen-mem.h" | |
| 29 | #include "cgen-ops.h" | |
| 30 | ||
| 31 | /* The contents of BUF are in target byte order. */ | |
| 32 | ||
| 33 | int | |
| 34 | lm32bf_fetch_register (SIM_CPU * current_cpu, int rn, unsigned char *buf, | |
| 35 | int len) | |
| 36 | { | |
| 37 | if (rn < 32) | |
| 38 | SETTSI (buf, lm32bf_h_gr_get (current_cpu, rn)); | |
| 39 | else | |
| 40 | switch (rn) | |
| 41 | { | |
| 42 | case SIM_LM32_PC_REGNUM: | |
| 43 | SETTSI (buf, lm32bf_h_pc_get (current_cpu)); | |
| 44 | break; | |
| 45 | default: | |
| 46 | return 0; | |
| 47 | } | |
| 48 | ||
| 49 | return -1; | |
| 50 | } | |
| 51 | ||
| 52 | /* The contents of BUF are in target byte order. */ | |
| 53 | ||
| 54 | int | |
| 55 | lm32bf_store_register (SIM_CPU * current_cpu, int rn, unsigned char *buf, | |
| 56 | int len) | |
| 57 | { | |
| 58 | if (rn < 32) | |
| 59 | lm32bf_h_gr_set (current_cpu, rn, GETTSI (buf)); | |
| 60 | else | |
| 61 | switch (rn) | |
| 62 | { | |
| 63 | case SIM_LM32_PC_REGNUM: | |
| 64 | lm32bf_h_pc_set (current_cpu, GETTSI (buf)); | |
| 65 | break; | |
| 66 | default: | |
| 67 | return 0; | |
| 68 | } | |
| 69 | ||
| 70 | return -1; | |
| 71 | } | |
| 72 | ||
| 73 | ||
| 74 | ||
| 75 | #if WITH_PROFILE_MODEL_P | |
| 76 | ||
| 77 | /* Initialize cycle counting for an insn. | |
| 78 | FIRST_P is non-zero if this is the first insn in a set of parallel | |
| 79 | insns. */ | |
| 80 | ||
| 81 | void | |
| 82 | lm32bf_model_insn_before (SIM_CPU * cpu, int first_p) | |
| 83 | { | |
| 84 | } | |
| 85 | ||
| 86 | /* Record the cycles computed for an insn. | |
| 87 | LAST_P is non-zero if this is the last insn in a set of parallel insns, | |
| 88 | and we update the total cycle count. | |
| 89 | CYCLES is the cycle count of the insn. */ | |
| 90 | ||
| 91 | void | |
| 92 | lm32bf_model_insn_after (SIM_CPU * cpu, int last_p, int cycles) | |
| 93 | { | |
| 94 | } | |
| 95 | ||
| 96 | int | |
| 97 | lm32bf_model_lm32_u_exec (SIM_CPU * cpu, const IDESC * idesc, | |
| 98 | int unit_num, int referenced) | |
| 99 | { | |
| 100 | return idesc->timing->units[unit_num].done; | |
| 101 | } | |
| 102 | ||
| 103 | #endif /* WITH_PROFILE_MODEL_P */ |