FreeNOS
IntelConstant.h
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1 /*
2  * Copyright (C) 2009 Niek Linnenbank
3  *
4  * This program is free software: you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation, either version 3 of the License, or
7  * (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program. If not, see <http://www.gnu.org/licenses/>.
16  */
17 
18 #ifndef __LIBARCH_INTEL_CONSTANT_H
19 #define __LIBARCH_INTEL_CONSTANT_H
20 
38 #define CR0_PE 0x00000001
39 
41 #define CR0_PG 0x80000000
42 
44 #define CR4_TSD 0x00000004
45 #define CR4_PSE (1 << 4)
46 
48 #define KERNEL_CS 1
49 #define KERNEL_CS_SEL 0x8
50 
52 #define KERNEL_DS 2
53 #define KERNEL_DS_SEL 0x10
54 
56 #define USER_CS 3
57 #define USER_CS_SEL (0x18 | 3)
58 
60 #define USER_DS 4
61 #define USER_DS_SEL (0x20 | 3)
62 
64 #define KERNEL_TSS 5
65 #define KERNEL_TSS_SEL 0x28
66 
77 #define PAGESHIFT 12
78 
80 #define DIRSHIFT 22
81 
83 #define PAGESIZE 4096
84 
86 #define PAGEDIR_MAX 1024
87 
89 #define PAGETAB_MAX 1024
90 
92 #define PAGEMASK 0xfffff000
93 
95 #define SECTIONMASK 0xffc00000
96 
98 #define MEMALIGN 4
99 
110 #endif /* __LIBARCH_INTEL_CONSTANT_H */