source: trunk/hal/tsar_mips32/core/hal_types.h @ 408

Last change on this file since 408 was 408, checked in by alain, 4 years ago

Fix several bugs in the fork() syscall.

File size: 6.5 KB
Line 
1/*
2 * hal_types.h - common kernel types for MIPS 32 bits
3 *
4 * Author  Alain Greiner (2016)
5 *
6 * Copyright (c) UPMC Sorbonne Universites
7 *
8 * This file is part of ALMOS-MKH.
9 *
10 * ALMOS-MKH is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; version 2.0 of the License.
13 *
14 * ALMOS-MKH is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
17 * General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with ALMOS-MKH; if not, write to the Free Software Foundation,
21 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 */
23
24#ifndef HAL_TYPES_H_
25#define HAL_TYPES_H_
26
27#include <kernel_config.h>
28
29#define HAL_32BIT
30
31#ifndef NULL
32#define NULL (void*)        0
33#endif
34
35/**************************************************************************
36 *                      Exact-width integer types. 
37 **************************************************************************/
38
39typedef   signed           char     int8_t;
40typedef unsigned           char    uint8_t;
41
42typedef   signed           short    int16_t;
43typedef unsigned           short   uint16_t;
44
45typedef   signed long      int      int32_t;
46typedef unsigned long      int     uint32_t;
47
48typedef   signed long long int      int64_t;
49typedef unsigned long long int     uint64_t;
50
51/***************************************************************************
52 * Boolean type and macros
53 **************************************************************************/
54
55typedef uint32_t      bool_t;
56
57#define false         0
58#define true          1
59
60/***************************************************************************
61 * Kernel error type : signed
62 **************************************************************************/
63
64typedef int32_t       error_t;
65
66/***************************************************************************
67 * Time related type
68 **************************************************************************/
69
70typedef uint64_t      cycle_t;   // for cycle counters
71
72/***************************************************************************
73 * Global Process identifier type / fixed format
74 * 16 MSB = cluster XY identifier
75 * 16 LSB = local process index
76 **************************************************************************/
77
78typedef uint32_t      pid_t; 
79
80/***************************************************************************
81 * Local Process index 
82 **************************************************************************/
83
84typedef uint16_t      lpid_t;
85
86/***************************************************************************
87 * Thread  identifier type / fixed format
88 * 16 MSB = cluster XY identifier
89 * 16 LSB = local thread index
90 **************************************************************************/
91
92typedef uint32_t      trdid_t;
93
94/***************************************************************************
95 * Local Thread index
96 **************************************************************************/
97
98typedef uint16_t      ltid_t;
99
100/***************************************************************************
101 * User identifier type
102 **************************************************************************/
103
104typedef uint32_t      uid_t;
105
106/***************************************************************************
107 * CPU identifier types
108 **************************************************************************/
109
110typedef uint16_t      lid_t;    // local index in cluster
111typedef uint32_t      gid_t;    // global (hardware) identifier
112
113/***************************************************************************
114 * File Descriptor Index in File Descriptor Array
115 **************************************************************************/
116
117typedef uint32_t      fdid_t;
118
119/***************************************************************************
120 * This structure defines a single 32 bits integer alone in a cache line.
121 **************************************************************************/
122
123typedef struct cache_line_s
124{
125  union
126  {
127    uint32_t values[CONFIG_CACHE_LINE_SIZE>>2];
128    uint32_t value;
129  };
130}
131__attribute__((packed)) cacheline_t;
132
133/***************************************************************************
134 *  Address types and macros         !!!  hardware dependant  !!!
135 ***************************************************************************
136 * An extended pointer is a 64 bits integer, structured in two fields :
137 * - cxy : cluster identifier.
138 * - ptr : pointer in the virtual space of a single cluster.
139 *
140 * In TSAR (MIPS32), the kernel virtual space has 4 Gbytes per cluster
141 * - the cxy field occupies bits[47:32]
142 * - the ptr field occupies bits[31:0]
143 ***************************************************************************
144 * A physical address is a 64 bits integer, structured in two fields :
145 * - cxy : cluster identifier.
146 * - lpa : local physical address inside cluster.
147 *
148 * In TSAR (MIPS32), the physical space has 4Gbytes per cluster.
149 * - the cxy field occupies bits[39:32]
150 * - the lpa field occupies bits[31:0]
151 **************************************************************************/
152
153typedef uint32_t               reg_t;         // core register
154
155typedef uint64_t               xptr_t;        // extended pointer
156
157typedef uint16_t               cxy_t;         // cluster identifier
158
159typedef uint64_t               paddr_t;       // global physical address
160
161typedef uint32_t               lpa_t;         // local physical address
162
163typedef uint32_t               intptr_t;      // local pointer stored as integer
164
165typedef uint32_t               ppn_t;         // Physical Page Number
166
167typedef uint32_t               vpn_t;         // Virtual Page number
168
169
170#define XPTR_NULL              0
171
172#define PTR_MASK               0x00000000FFFFFFFFULL
173
174#define PTR_SHIFT              32
175
176#define GET_CXY(xp)            ((cxy_t)((xp) >> PTR_SHIFT))
177
178#define GET_PTR(xp)            ((void*)(uint32_t)((xp) & PTR_MASK))
179
180#define XPTR(cxy,ptr)          (((uint64_t)(cxy) << PTR_SHIFT) | (((uint32_t)(ptr)) & PTR_MASK))
181
182
183#define LPA_MASK               0x00000000FFFFFFFFULL
184
185#define LPA_SHIFT              32
186
187#define CXY_FROM_PADDR(paddr)  ((cxy_t)((paddr) >> LPA_SHIFT))
188
189#define LPA_FROM_PADDR(paddr)  (lpa_t)(paddr & LPA_MASK)
190
191#define PADDR(cxy,lpa)         (((uint64_t)(cxy) << LPA_SHIFT) | (((uint64_t)(lpa)) & LPA_MASK))
192
193
194
195#endif  /* HAL_TYPES_H_ */
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