1 /* Blackfin Memory Management Unit (MMU) model. 2 3 Copyright (C) 2010-2023 Free Software Foundation, Inc. 4 Contributed by Analog Devices, Inc. 5 6 This file is part of simulators. 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 #ifndef DV_BFIN_MMU_H 22 #define DV_BFIN_MMU_H 23 24 #undef PAGE_SIZE /* Cleanup system headers. */ 25 26 void mmu_check_addr (SIM_CPU *, bu32 addr, bool write, bool inst, int size); 27 void mmu_check_cache_addr (SIM_CPU *, bu32 addr, bool write, bool inst); 28 void mmu_process_fault (SIM_CPU *, bu32 addr, bool write, bool inst, bool unaligned, bool miss); 29 void mmu_log_ifault (SIM_CPU *); 30 31 /* MEM_CONTROL */ 32 #define ENM (1 << 0) 33 #define ENCPLB (1 << 1) 34 #define MC (1 << 2) 35 36 #define ENDM ENM 37 #define ENDCPLB ENCPLB 38 #define DMC_AB_SRAM 0x0 39 #define DMC_AB_CACHE 0xc 40 #define DMC_ACACHE_BSRAM 0x8 41 42 /* CPLB_DATA */ 43 #define CPLB_VALID (1 << 0) 44 #define CPLB_USER_RD (1 << 2) 45 #define CPLB_USER_WR (1 << 3) 46 #define CPLB_USER_RW (CPLB_USER_RD | CPLB_USER_WR) 47 #define CPLB_SUPV_WR (1 << 4) 48 #define CPLB_L1SRAM (1 << 5) 49 #define CPLB_DA0ACC (1 << 6) 50 #define CPLB_DIRTY (1 << 7) 51 #define CPLB_L1_CHBL (1 << 12) 52 #define CPLB_WT (1 << 14) 53 #define PAGE_SIZE (3 << 16) 54 #define PAGE_SIZE_1K (0 << 16) 55 #define PAGE_SIZE_4K (1 << 16) 56 #define PAGE_SIZE_1M (2 << 16) 57 #define PAGE_SIZE_4M (3 << 16) 58 59 /* CPLB_STATUS */ 60 #define FAULT_CPLB0 (1 << 0) 61 #define FAULT_CPLB1 (1 << 1) 62 #define FAULT_CPLB2 (1 << 2) 63 #define FAULT_CPLB3 (1 << 3) 64 #define FAULT_CPLB4 (1 << 4) 65 #define FAULT_CPLB5 (1 << 5) 66 #define FAULT_CPLB6 (1 << 6) 67 #define FAULT_CPLB7 (1 << 7) 68 #define FAULT_CPLB8 (1 << 8) 69 #define FAULT_CPLB9 (1 << 9) 70 #define FAULT_CPLB10 (1 << 10) 71 #define FAULT_CPLB11 (1 << 11) 72 #define FAULT_CPLB12 (1 << 12) 73 #define FAULT_CPLB13 (1 << 13) 74 #define FAULT_CPLB14 (1 << 14) 75 #define FAULT_CPLB15 (1 << 15) 76 #define FAULT_READ (0 << 16) 77 #define FAULT_WRITE (1 << 16) 78 #define FAULT_USER (0 << 17) 79 #define FAULT_SUPV (1 << 17) 80 #define FAULT_DAG0 (0 << 18) 81 #define FAULT_DAG1 (1 << 18) 82 #define FAULT_ILLADDR (1 << 19) 83 84 /* DTEST_COMMAND */ 85 #define TEST_READ (0 << 1) 86 #define TEST_WRITE (1 << 1) 87 #define TEST_TAG_ARRAY (0 << 2) 88 #define TEST_DATA_ARRAY (1 << 2) 89 #define TEST_DBANK (1 << 23) 90 #define TEST_DATA_SRAM (0 << 24) 91 #define TEST_INST_SRAM (1 << 24) 92 93 #endif 94