xref: /dragonfly/sys/cpu/x86_64/include/types.h (revision 1fe7e945)
1 /*-
2  * Copyright (c) 1990, 1993
3  *	The Regents of the University of California.  All rights reserved.
4  * Copyright (c) 2008 The DragonFly Project.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. Neither the name of the University nor the names of its contributors
15  *    may be used to endorse or promote products derived from this software
16  *    without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  *
30  *	@(#)types.h	8.3 (Berkeley) 1/5/94
31  * $FreeBSD: src/sys/i386/include/types.h,v 1.19.2.1 2001/03/21 10:50:58 peter Exp $
32  */
33 
34 #ifndef _CPU_TYPES_H_
35 #define	_CPU_TYPES_H_
36 
37 #include <machine/stdint.h>
38 
39 #if defined(__x86_64__)
40 typedef	__int64_t	__segsz_t;	/* segment size */
41 typedef	__int64_t	register_t;
42 typedef	__uint64_t	u_register_t;
43 #elif defined(__i386__)
44 typedef	__int32_t	__segsz_t;	/* segment size */
45 typedef	__int32_t	register_t;
46 typedef	__uint32_t	u_register_t;
47 #endif
48 
49 typedef unsigned long	vm_offset_t;    /* address space bounded offset */
50 typedef unsigned long	vm_size_t;      /* address space bounded size */
51 
52 typedef __uint64_t	vm_pindex_t;    /* physical page index */
53 typedef __uint64_t	vm_spindex_t;   /* physical page index (signed) */
54 typedef	__int64_t	vm_ooffset_t;	/* VM object bounded offset */
55 typedef __uint64_t	vm_poff_t;	/* physical offset */
56 typedef __uint64_t	vm_paddr_t;	/* physical addr (same as vm_poff_t) */
57 
58 #ifdef _KERNEL
59 typedef	__int64_t	intfptr_t;
60 typedef	__uint64_t	uintfptr_t;
61 #endif
62 
63 /*
64  * MMU page tables
65  */
66 typedef __uint64_t	pml4_entry_t;
67 typedef __uint64_t	pdp_entry_t;
68 typedef __uint64_t	pd_entry_t;
69 typedef __uint64_t	pt_entry_t;
70 typedef __uint32_t      cpulock_t;      /* count and exclusive lock */
71 
72 /*
73  * cpumask_t - a mask representing a set of cpus and supporting routines.
74  *
75  * WARNING! It is recommended that this mask NOT be made variably-sized
76  *	    because it affects a huge number of system structures.  However,
77  *	    kernel code (non-module) can be optimized to not operate on the
78  *	    whole mask.
79  */
80 
81 #define _CPUMASK_ELEMENTS	4	/* tested by assembly for #error */
82 
83 typedef struct {
84 	__uint64_t      ary[4];
85 } cpumask_t;
86 
87 #define CPULOCK_EXCLBIT	0		/* exclusive lock bit number */
88 #define CPULOCK_EXCL	0x00000001	/* exclusive lock */
89 #define CPULOCK_INCR	0x00000002	/* auxillary counter add/sub */
90 #define CPULOCK_CNTMASK	0x7FFFFFFE
91 
92 #define PML4SIZE	sizeof(pml4_entry_t) /* for assembly files */
93 #define PDPSIZE		sizeof(pdp_entry_t) /* for assembly files */
94 #define PDESIZE         sizeof(pd_entry_t) /* for assembly files */
95 #define PTESIZE         sizeof(pt_entry_t) /* for assembly files */
96 
97 #endif /* !_CPU_TYPES_H_ */
98