source: trunk/hal/x86_64/hal_types.h @ 38

Last change on this file since 38 was 38, checked in by max@…, 8 years ago

Use 4GB of VA per cluster, and 8GB of PA.
File size: 7.4 KB
Line 
1/*
2 * hal_types.h - common kernel types for x86_64
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 *                      Exact-width integer types. 
39 **************************************************************************/
40
41typedef   signed           char      int8_t;
42typedef unsigned           char     uint8_t;
43
44typedef   signed           short    int16_t;
45typedef unsigned           short   uint16_t;
46
47typedef          int                int32_t;
48typedef unsigned int               uint32_t;
49
50typedef   signed long long int      int64_t;
51typedef unsigned long long int     uint64_t;
52
53typedef uint64_t                     size_t;
54
55typedef uint64_t                    vaddr_t; // XXX
56typedef uint64_t                 pt_entry_t; // XXX
57
58/***************************************************************************
59 * Pthread related types
60 **************************************************************************/
61
62typedef uint32_t      pthread_t;               
63typedef uint32_t      pthread_mutexattr_t;
64typedef uint32_t      pthread_barrier_t;
65typedef uint32_t      pthread_barrierattr_t;
66typedef uint32_t      sem_t;
67typedef uint32_t      pthread_cond_t;
68typedef uint32_t      pthread_condattr_t;
69typedef uint32_t      pthread_rwlock_t;
70typedef uint32_t      pthread_rwlockattr_t;
71typedef uint32_t      pthread_key_t;
72
73/***************************************************************************
74 * Boolean type and macros
75 **************************************************************************/
76
77typedef uint32_t      bool_t;
78
79#define false         0
80#define true          1
81
82/***************************************************************************
83 * Kernel error type : signed
84 **************************************************************************/
85
86typedef int32_t       error_t;
87
88/***************************************************************************
89 * Time related type
90 **************************************************************************/
91
92typedef uint64_t      cycle_t;   // for cycle counters
93
94/***************************************************************************
95 * Global Process identifier type / fixed format
96 * 16 MSB = cluster XY identifier
97 * 16 LSB = local process index
98 **************************************************************************/
99
100typedef uint32_t      pid_t; 
101
102/***************************************************************************
103 * Local Process index 
104 **************************************************************************/
105
106typedef uint16_t      lpid_t;
107
108/***************************************************************************
109 * Thread  identifier type / fixed format
110 * 16 MSB = cluster XY identifier
111 * 16 LSB = local thread index
112 **************************************************************************/
113
114typedef uint32_t      trdid_t;
115
116/***************************************************************************
117 * Local Thread index
118 **************************************************************************/
119
120typedef uint16_t      ltid_t;
121
122/***************************************************************************
123 * User identifier type
124 **************************************************************************/
125
126typedef uint32_t      uid_t;
127
128/***************************************************************************
129 * CPU identifier types
130 **************************************************************************/
131
132typedef uint16_t      lid_t;    // local index in cluster
133typedef uint32_t      gid_t;    // global (hardware) identifier
134
135/***************************************************************************
136 * File Descriptor Index in File Descriptor Array
137 **************************************************************************/
138
139typedef uint32_t      fdid_t;
140
141/***************************************************************************
142 * This structure defines a single 32 bits integer alone in a cache line.
143 **************************************************************************/
144
145typedef struct cache_line_s
146{
147        union
148        {
149                uint32_t values[CONFIG_CACHE_LINE_SIZE>>2];
150                uint32_t value;
151        };
152}
153__attribute__((packed)) cacheline_t;
154
155#define CACHELINE_ALIGNED __attribute__((aligned(CONFIG_CACHE_LINE_SIZE)))
156
157/***************************************************************************
158 *  Address types and macros        !!! hardware dependent !!!
159 ***************************************************************************
160 * An extended pointer is a 64 bits integer, structured in two fields :
161 * - cxy : cluster identifier.
162 * - ptr : pointer in the virtual space of a single cluster.
163 *
164 * In Intel 64 bits, the kernel virtual space has 4 Gbytes per cluster
165 * - the cxy field occupies bits[63:32]
166 * - the ptr field occupies bits[31:0]
167 ***************************************************************************
168 * A physical address is a 64 bits integer, structured in two fields :
169 * - cxy : cluster identifier.
170 * - lpa : local physical address inside cluster.
171 *
172 * In Intel 64 bits, the physical space has 8 Gbytes per cluster.
173 * - the cxy field occupies bits[35:33]
174 * - the lpa field occupies bits[32:0]
175 **************************************************************************/
176
177typedef uint64_t               reg_t;          // core register
178
179typedef uint64_t               xptr_t;         // extended pointer
180
181typedef uint16_t               cxy_t;          // cluster identifier
182
183typedef uint64_t               paddr_t;        // global physical address (64 bits)
184
185typedef uint64_t               lpa_t;          // local physical address
186
187typedef uint64_t               intptr_t;       // local pointer stored as integer
188
189typedef uint64_t               ppn_t;          // Physical Page Number
190
191typedef uint64_t               vpn_t;          // Virtual Page number
192
193#define XPTR_NULL              0
194
195#define PTR_MASK               0x00000000FFFFFFFFULL
196
197#define PTR_SHIFT              32
198
199#define GET_CXY(xp)            ((cxy_t)((xp) >> PTR_SHIFT))
200
201#define GET_PTR(xp)            ((void*)((xp) & PTR_MASK))
202
203#define XPTR(cxy,ptr)          (((uint64_t)(cxy) << PTR_SHIFT) | (((uint64_t)(ptr)) & PTR_MASK))
204
205
206
207#define LPA_MASK               0x00000001FFFFFFFFULL
208
209#define LPA_SHIFT              33
210
211#define CXY_FROM_PADDR(paddr)  ((cxy_t)((paddr) >> LPA_SHIFT))
212
213#define LPA_FROM_PADDR(paddr)  (lpa_t)((paddr & LPA_MASK)
214
215#define PADDR(cxy,lad)         (((uint64_t)(cxy) << LPA_SHIFT) | (((uint64_t)(ptr)) & LPA_MASK))
216
217#endif  /* HAL_TYPES_H_ */
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