1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
/* Blackfin Memory Management Unit (MMU) model.
Copyright (C) 2010-2012 Free Software Foundation, Inc.
Contributed by Analog Devices, Inc.
This file is part of simulators.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef DV_BFIN_MMU_H
#define DV_BFIN_MMU_H
void mmu_check_addr (SIM_CPU *, bu32 addr, bool write, bool inst, int size);
void mmu_check_cache_addr (SIM_CPU *, bu32 addr, bool write, bool inst);
void mmu_process_fault (SIM_CPU *, bu32 addr, bool write, bool inst, bool unaligned, bool miss);
void mmu_log_ifault (SIM_CPU *);
/* MEM_CONTROL */
#define ENM (1 << 0)
#define ENCPLB (1 << 1)
#define MC (1 << 2)
#define ENDM ENM
#define ENDCPLB ENCPLB
#define DMC_AB_SRAM 0x0
#define DMC_AB_CACHE 0xc
#define DMC_ACACHE_BSRAM 0x8
/* CPLB_DATA */
#define CPLB_VALID (1 << 0)
#define CPLB_USER_RD (1 << 2)
#define CPLB_USER_WR (1 << 3)
#define CPLB_USER_RW (CPLB_USER_RD | CPLB_USER_WR)
#define CPLB_SUPV_WR (1 << 4)
#define CPLB_L1SRAM (1 << 5)
#define CPLB_DA0ACC (1 << 6)
#define CPLB_DIRTY (1 << 7)
#define CPLB_L1_CHBL (1 << 12)
#define CPLB_WT (1 << 14)
#define PAGE_SIZE (3 << 16)
#define PAGE_SIZE_1K (0 << 16)
#define PAGE_SIZE_4K (1 << 16)
#define PAGE_SIZE_1M (2 << 16)
#define PAGE_SIZE_4M (3 << 16)
/* CPLB_STATUS */
#define FAULT_CPLB0 (1 << 0)
#define FAULT_CPLB1 (1 << 1)
#define FAULT_CPLB2 (1 << 2)
#define FAULT_CPLB3 (1 << 3)
#define FAULT_CPLB4 (1 << 4)
#define FAULT_CPLB5 (1 << 5)
#define FAULT_CPLB6 (1 << 6)
#define FAULT_CPLB7 (1 << 7)
#define FAULT_CPLB8 (1 << 8)
#define FAULT_CPLB9 (1 << 9)
#define FAULT_CPLB10 (1 << 10)
#define FAULT_CPLB11 (1 << 11)
#define FAULT_CPLB12 (1 << 12)
#define FAULT_CPLB13 (1 << 13)
#define FAULT_CPLB14 (1 << 14)
#define FAULT_CPLB15 (1 << 15)
#define FAULT_READ (0 << 16)
#define FAULT_WRITE (1 << 16)
#define FAULT_USER (0 << 17)
#define FAULT_SUPV (1 << 17)
#define FAULT_DAG0 (0 << 18)
#define FAULT_DAG1 (1 << 18)
#define FAULT_ILLADDR (1 << 19)
/* DTEST_COMMAND */
#define TEST_READ (0 << 1)
#define TEST_WRITE (1 << 1)
#define TEST_TAG_ARRAY (0 << 2)
#define TEST_DATA_ARRAY (1 << 2)
#define TEST_DBANK (1 << 23)
#define TEST_DATA_SRAM (0 << 24)
#define TEST_INST_SRAM (1 << 24)
#endif
|
