source: trunk/libs/newlib/src/libgloss/bfin/include/cplb.h @ 492

Last change on this file since 492 was 444, checked in by satin@…, 6 years ago

add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc

File size: 3.2 KB
Line 
1/*
2 * The authors hereby grant permission to use, copy, modify, distribute,
3 * and license this software and its documentation for any purpose, provided
4 * that existing copyright notices are retained in all copies and that this
5 * notice is included verbatim in any distributions. No written agreement,
6 * license, or royalty fee is required for any of the authorized uses.
7 * Modifications to this software may be copyrighted by their authors
8 * and need not follow the licensing terms described here, provided that
9 * the new terms are clearly indicated on the first page of each file where
10 * they apply.
11 */
12
13/************************************************************************
14 *
15 * cplb.h
16 *
17 * (c) Copyright 2002-2007 Analog Devices, Inc.  All rights reserved.
18 *
19 ************************************************************************/
20
21/* Defines necessary for cplb initialisation routines. */
22
23#ifndef _CPLB_H
24#define _CPLB_H
25
26#include <sys/platform.h>
27
28#ifdef _MISRA_RULES
29#pragma diag(push)
30#pragma diag(suppress:misra_rule_19_4)
31#endif /* _MISRA_RULES */
32
33#define CPLB_ENABLE_ICACHE_P  0
34#define CPLB_ENABLE_DCACHE_P  1
35#define CPLB_ENABLE_DCACHE2_P 2
36#define CPLB_ENABLE_CPLBS_P   3  /* Deprecated! */
37#define CPLB_ENABLE_ICPLBS_P  4
38#define CPLB_ENABLE_DCPLBS_P  5
39#define CPLB_SET_DCBS_P       6
40#define CPLB_INVALIDATE_B_P   23
41
42/* ___cplb_ctrl bitmasks */
43#define CPLB_ENABLE_ICACHE   (1<<CPLB_ENABLE_ICACHE_P)
44#define CPLB_ENABLE_DCACHE   (1<<CPLB_ENABLE_DCACHE_P)
45#define CPLB_ENABLE_DCACHE2  (1<<CPLB_ENABLE_DCACHE2_P)
46#define CPLB_ENABLE_CPLBS    (1<<CPLB_ENABLE_CPLBS_P)
47#define CPLB_ENABLE_ICPLBS   (1<<CPLB_ENABLE_ICPLBS_P)
48#define CPLB_ENABLE_DCPLBS   (1<<CPLB_ENABLE_DCPLBS_P)
49#define CPLB_ENABLE_ANY_CPLBS  \
50           ( CPLB_ENABLE_CPLBS | CPLB_ENABLE_ICPLBS | CPLB_ENABLE_DCPLBS )
51#define CPLB_SET_DCBS        (1<<CPLB_SET_DCBS_P)
52
53/* Bitmasks for dcache_invalidate routine parameters */
54#define CPLB_INVALIDATE_A  0
55#define CPLB_INVALIDATE_B  (1<<CPLB_INVALIDATE_B_P)
56
57/* _cplb_mgr return values */
58#define CPLB_RELOADED      0x0000
59#define CPLB_NO_UNLOCKED   0x0001
60#define CPLB_NO_ADDR_MATCH 0x0002
61#define CPLB_PROT_VIOL     0x0003
62#define CPLB_NO_ACTION     0x0004
63
64/* CPLB configurations */
65#define CPLB_DEF_CACHE_WT  ( CPLB_L1_CHBL | CPLB_WT )
66#define CPLB_DEF_CACHE_WB  ( CPLB_L1_CHBL )
67#define CPLB_CACHE_ENABLED ( CPLB_L1_CHBL | CPLB_DIRTY )
68
69#define CPLB_DEF_CACHE     ( CPLB_L1_CHBL | CPLB_WT )
70#define CPLB_ALL_ACCESS    ( CPLB_SUPV_WR | CPLB_USER_RD | CPLB_USER_WR )
71
72#define CPLB_I_PAGE_MGMT   ( CPLB_LOCK | CPLB_VALID )
73#define CPLB_D_PAGE_MGMT   ( CPLB_LOCK | CPLB_ALL_ACCESS | CPLB_VALID )
74#define CPLB_DNOCACHE      ( CPLB_ALL_ACCESS | CPLB_VALID )
75#define CPLB_DDOCACHE      ( CPLB_DNOCACHE | CPLB_DEF_CACHE )
76#define CPLB_INOCACHE      ( CPLB_USER_RD | CPLB_VALID )
77#define CPLB_IDOCACHE      ( CPLB_INOCACHE | CPLB_L1_CHBL )
78
79#define CPLB_DDOCACHE_WT   ( CPLB_DNOCACHE | CPLB_DEF_CACHE_WT )
80#define CPLB_DDOCACHE_WB   ( CPLB_DNOCACHE | CPLB_DEF_CACHE_WB )
81
82/* Event type parameter for replacement manager _cplb_mgr */
83#define CPLB_EVT_ICPLB_MISS   0
84#define CPLB_EVT_DCPLB_MISS   1
85#define CPLB_EVT_DCPLB_WRITE  2
86
87/* size of cplb tables */
88#define __CPLB_TABLE_SIZE    16
89
90#ifdef _MISRA_RULES
91#pragma diag(pop)
92#endif /* _MISRA_RULES */
93
94#endif /* _CPLB_H */
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