source: trunk/hal/x86_64/hal_types.h @ 29

Last change on this file since 29 was 29, checked in by max@…, 5 years ago

Update. The kernel now enables the GDT/IDT, and has trap entries. A
x86_printf function is added for debugging purposes only. The new Makefile
will come in another commit.

File size: 7.2 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#ifndef NULL
30#define NULL (void*)        0
31#endif
32
33#define __packed        __attribute__((__packed__))
34#define __arraycount(a) (sizeof(a) / sizeof(*(a)))
35#define __in_kdata      __attribute__((section(".kdata")))
36
37
38/**************************************************************************
39 *                      Exact-width integer types. 
40 **************************************************************************/
41
42typedef   signed           char     int8_t;
43typedef unsigned           char    uint8_t;
44
45typedef   signed           short    int16_t;
46typedef unsigned           short   uint16_t;
47
48typedef   signed long      int      int32_t;
49typedef unsigned long      int     uint32_t;
50
51typedef   signed long long int      int64_t;
52typedef unsigned long long int     uint64_t;
53
54typedef uint64_t                     size_t;
55
56/***************************************************************************
57 * Pthread related types
58 **************************************************************************/
59
60typedef uint32_t      pthread_t;               
61typedef uint32_t      pthread_mutexattr_t;
62typedef uint32_t      pthread_barrier_t;
63typedef uint32_t      pthread_barrierattr_t;
64typedef uint32_t      sem_t;
65typedef uint32_t      pthread_cond_t;
66typedef uint32_t      pthread_condattr_t;
67typedef uint32_t      pthread_rwlock_t;
68typedef uint32_t      pthread_rwlockattr_t;
69typedef uint32_t      pthread_key_t;
70
71/***************************************************************************
72 * Boolean type and macros
73 **************************************************************************/
74
75typedef uint32_t      bool_t;
76
77#define false         0
78#define true          1
79
80/***************************************************************************
81 * Kernel error type : signed
82 **************************************************************************/
83
84typedef int32_t       error_t;
85
86/***************************************************************************
87 * Time related type
88 **************************************************************************/
89
90typedef uint64_t      cycle_t;   // for cycle counters
91
92/***************************************************************************
93 * Global Process identifier type / fixed format
94 * 16 MSB = cluster XY identifier
95 * 16 LSB = local process index
96 **************************************************************************/
97
98typedef uint32_t      pid_t; 
99
100/***************************************************************************
101 * Local Process index 
102 **************************************************************************/
103
104typedef uint16_t      lpid_t;
105
106/***************************************************************************
107 * Thread  identifier type / fixed format
108 * 16 MSB = cluster XY identifier
109 * 16 LSB = local thread index
110 **************************************************************************/
111
112typedef uint32_t      trdid_t;
113
114/***************************************************************************
115 * Local Thread index
116 **************************************************************************/
117
118typedef uint16_t      ltid_t;
119
120/***************************************************************************
121 * User identifier type
122 **************************************************************************/
123
124typedef uint32_t      uid_t;
125
126/***************************************************************************
127 * CPU identifier types
128 **************************************************************************/
129
130typedef uint16_t      lid_t;    // local index in cluster
131typedef uint32_t      gid_t;    // global (hardware) identifier
132
133/***************************************************************************
134 * File Descriptor Index in File Descriptor Array
135 **************************************************************************/
136
137typedef uint32_t      fdid_t;
138
139/***************************************************************************
140 * This structure defines a single 32 bits integer alone in a cache line.
141 **************************************************************************/
142
143typedef struct cache_line_s
144{
145  union
146  {
147    uint32_t values[CONFIG_CACHE_LINE_SIZE>>2];
148    uint32_t value;
149  };
150}
151__attribute__((packed)) cacheline_t;
152
153/***************************************************************************
154 *  Address types and macros         !!!  hardware dependant  !!!
155 ***************************************************************************
156 * An extended pointer a 64 bits integer, structured in two fields :
157 * - cxy : cluster identifier.
158 * - ptr : pointer in the virtual space of a single cluster.
159 *
160 * In TSAR (MIPS32), the kernel virtual space has 4 Gbytes per cluster
161 * - the cxy field occupies bits[47:32]
162 * - the ptr field occupies bits[31:0]
163 ***************************************************************************
164 * A physical address is a 64 bits integer, structured in two fields :
165 * - cxy : cluster identifier.
166 * - lpa : local physical address inside cluster.
167 *
168 * In TSAR (MIPS32), the physical space has 4Gbytes per cluster.
169 * - the cxy field occupies bits[39:32]
170 * - the lpa field occupies bits[31:0]
171 **************************************************************************/
172
173typedef uint32_t               reg_t;         // core register
174
175typedef uint64_t               xptr_t;        // extended pointer
176
177typedef uint16_t               cxy_t;         // cluster identifier
178
179typedef uint64_t               paddr_t;       // global physical address
180
181typedef uint32_t               lpa_t;         // local physical address
182
183typedef uint64_t               intptr_t;      // local pointer stored as integer
184
185typedef uint32_t               ppn_t;         // Physical Page Number
186
187typedef uint32_t               vpn_t;         // Virtual Page number
188
189#define XPTR_NULL              0
190
191#define PTR_MASK               0x00000000FFFFFFFFULL
192
193#define GET_CXY(xp)            ((cxy_t)((xp) >> 32))
194
195#define GET_PTR(xp)            ((void*)(uint32_t)((xp) & PTR_MASK))
196
197#define XPTR(cxy,ptr)          (((uint64_t)(cxy) << 32) | (((uint32_t)(ptr)) & PTR_MASK))
198
199#define LPA_MASK               0x00000000FFFFFFFFULL
200
201#define CXY_FROM_PADDR(paddr)  ((cxy_t)((paddr) >> 32))
202
203#define LPA_FROM_PADDR(paddr)  (lpa_t)((paddr & LPA_MASK)
204
205#define PADDR(cxy,lpa)         (((uint64_t)(cxy) << 32) | (((uint64_t)(lpa)) & LPA_MASK))
206
207
208
209#endif  /* HAL_TYPES_H_ */
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