WebSVN – HelenOS – Diff – /SPARTAN/trunk/arch/ia32/include/pm.h


/*
 * Copyright (C) 2001-2004 Jakub Jermar
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
#ifndef __PM_H__
#define __PM_H__
 
 
 
 
 
#define IDT_ITEMS 64
#define GDT_ITEMS 6
 
#define NULL_DES    0
#define KTEXT_DES   1
#define KDATA_DES   2
#define UTEXT_DES   3
#define UDATA_DES   4
#define TSS_DES     5
 
#define selector(des)   ((des)<<3)
 
#define PL_KERNEL   0
#define PL_USER     3
 
#define AR_PRESENT  (1<<7)
#define AR_DATA     (2<<3)
#define AR_CODE     (3<<3)
#define AR_WRITABLE (1<<1)
#define AR_INTERRUPT    (0xe)
#define AR_TSS      (0x9)
 
#define DPL_KERNEL  (PL_KERNEL<<5)
#define DPL_USER    (PL_USER<<5)
 
#define IO_MAP_BASE (104)
 
#ifndef __ASM__
 
#include <arch/types.h>
#include <typedefs.h>
#include <arch/context.h>
 
struct ptr_16_32 {
    __u16 limit;
    __u32 base;
} __attribute__ ((packed));
 
struct descriptor {
    unsigned limit_0_15: 16;
    unsigned base_0_15: 16;
    unsigned base_16_23: 8;
    unsigned access: 8;
    unsigned limit_16_19: 4;
    unsigned available: 1;
    unsigned unused: 1;
    unsigned special: 1;
    unsigned granularity : 1;
    unsigned base_24_31: 8;
} __attribute__ ((packed));
 
struct idescriptor {
    unsigned offset_0_15: 16;
    unsigned selector: 16;
    unsigned unused: 8;
    unsigned access: 8;
    unsigned offset_16_31: 16;
} __attribute__ ((packed));
 
 
struct tss {
    __u16 link;
    unsigned : 16;
    __u32 esp0;
    __u16 ss0;
    unsigned : 16;
    __u32 esp1;
    __u16 ss1;
    unsigned : 16;
    __u32 esp2;
    __u16 ss2;
    unsigned : 16;
    __u32 cr3;
    __u32 eip;
    __u32 eflags;
    __u32 eax;
    __u32 ecx;
    __u32 edx;
    __u32 ebx;
    __u32 esp;
    __u32 ebp;
    __u32 esi;
    __u32 edi;
    __u16 es;
    unsigned : 16;
    __u16 cs;
    unsigned : 16;
    __u16 ss;
    unsigned : 16;
    __u16 ds;
    unsigned : 16;
    __u16 fs;
    unsigned : 16;
    __u16 gs;
    unsigned : 16;
    __u16 ldtr;
    unsigned : 16;
    unsigned : 16;
    __u16 io_map_base;
} __attribute__ ((packed));
 
extern struct ptr_16_32 gdtr;
extern struct ptr_16_32 real_bootstrap_gdtr;
extern struct ptr_16_32 protected_bootstrap_gdtr;
extern struct tss *tss_p;
 
extern struct descriptor gdt[];
 
extern void pm_init(void);
 
extern void gdt_setbase(struct descriptor *d, __address base);
extern void gdt_setlimit(struct descriptor *d, __u32 limit);
 
extern void idt_init(void);
extern void idt_setoffset(struct idescriptor *d, __address offset);
 
extern void tss_initialize(struct tss *t);
 
#endif /* __ASM__ */
 
#endif
 

Rev 279	Rev 300
1	/*	1	/*
2	* Copyright (C) 2001-2004 Jakub Jermar	2	* Copyright (C) 2001-2004 Jakub Jermar
3	* All rights reserved.	3	* All rights reserved.
4	*	4	*
5	* Redistribution and use in source and binary forms, with or without	5	* Redistribution and use in source and binary forms, with or without
6	* modification, are permitted provided that the following conditions	6	* modification, are permitted provided that the following conditions
7	* are met:	7	* are met:
8	*	8	*
9	* - Redistributions of source code must retain the above copyright	9	* - Redistributions of source code must retain the above copyright
10	* notice, this list of conditions and the following disclaimer.	10	* notice, this list of conditions and the following disclaimer.
11	* - Redistributions in binary form must reproduce the above copyright	11	* - Redistributions in binary form must reproduce the above copyright
12	* notice, this list of conditions and the following disclaimer in the	12	* notice, this list of conditions and the following disclaimer in the
13	* documentation and/or other materials provided with the distribution.	13	* documentation and/or other materials provided with the distribution.
14	* - The name of the author may not be used to endorse or promote products	14	* - The name of the author may not be used to endorse or promote products
15	* derived from this software without specific prior written permission.	15	* derived from this software without specific prior written permission.
16	*	16	*
17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR	17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES	18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.	19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,	20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT	21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,	22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF	25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.	26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27	*/	27	*/
28		28
29	#ifndef __PM_H__	29	#ifndef __PM_H__
30	#define __PM_H__	30	#define __PM_H__
31		31
32	#include <arch/types.h>	-
33	#include <typedefs.h>	-
34	#include <arch/context.h>	-
35		-
36	#define IDT_ITEMS 64	32	#define IDT_ITEMS 64
37	#define GDT_ITEMS 6	33	#define GDT_ITEMS 6
38		34
39	#define NULL_DES 0	35	#define NULL_DES 0
40	#define KTEXT_DES 1	36	#define KTEXT_DES 1
41	#define KDATA_DES 2	37	#define KDATA_DES 2
42	#define UTEXT_DES 3	38	#define UTEXT_DES 3
43	#define UDATA_DES 4	39	#define UDATA_DES 4
44	#define TSS_DES 5	40	#define TSS_DES 5
45		41
46	#define selector(des) ((des)<<3)	42	#define selector(des) ((des)<<3)
47		43
48	#define PL_KERNEL 0	44	#define PL_KERNEL 0
49	#define PL_USER 3	45	#define PL_USER 3
50		46
51	#define AR_PRESENT (1<<7)	47	#define AR_PRESENT (1<<7)
52	#define AR_DATA (2<<3)	48	#define AR_DATA (2<<3)
53	#define AR_CODE (3<<3)	49	#define AR_CODE (3<<3)
54	#define AR_WRITABLE (1<<1)	50	#define AR_WRITABLE (1<<1)
55	#define AR_INTERRUPT (0xe)	51	#define AR_INTERRUPT (0xe)
56	#define AR_TSS (0x9)	52	#define AR_TSS (0x9)
57		53
58	#define DPL_KERNEL (PL_KERNEL<<5)	54	#define DPL_KERNEL (PL_KERNEL<<5)
59	#define DPL_USER (PL_USER<<5)	55	#define DPL_USER (PL_USER<<5)
60		56
61	#define IO_MAP_BASE (104)	57	#define IO_MAP_BASE (104)
62		58
-		59	#ifndef __ASM__
-		60
-		61	#include <arch/types.h>
-		62	#include <typedefs.h>
-		63	#include <arch/context.h>
-		64
63	struct ptr_16_32 {	65	struct ptr_16_32 {
64	__u16 limit;	66	__u16 limit;
65	__u32 base;	67	__u32 base;
66	} __attribute__ ((packed));	68	} __attribute__ ((packed));
67		69
68	struct descriptor {	70	struct descriptor {
69	unsigned limit_0_15: 16;	71	unsigned limit_0_15: 16;
70	unsigned base_0_15: 16;	72	unsigned base_0_15: 16;
71	unsigned base_16_23: 8;	73	unsigned base_16_23: 8;
72	unsigned access: 8;	74	unsigned access: 8;
73	unsigned limit_16_19: 4;	75	unsigned limit_16_19: 4;
74	unsigned available: 1;	76	unsigned available: 1;
75	unsigned unused: 1;	77	unsigned unused: 1;
76	unsigned special: 1;	78	unsigned special: 1;
77	unsigned granularity : 1;	79	unsigned granularity : 1;
78	unsigned base_24_31: 8;	80	unsigned base_24_31: 8;
79	} __attribute__ ((packed));	81	} __attribute__ ((packed));
80		82
81	struct idescriptor {	83	struct idescriptor {
82	unsigned offset_0_15: 16;	84	unsigned offset_0_15: 16;
83	unsigned selector: 16;	85	unsigned selector: 16;
84	unsigned unused: 8;	86	unsigned unused: 8;
85	unsigned access: 8;	87	unsigned access: 8;
86	unsigned offset_16_31: 16;	88	unsigned offset_16_31: 16;
87	} __attribute__ ((packed));	89	} __attribute__ ((packed));
88		90
89		91
90	struct tss {	92	struct tss {
91	__u16 link;	93	__u16 link;
92	unsigned : 16;	94	unsigned : 16;
93	__u32 esp0;	95	__u32 esp0;
94	__u16 ss0;	96	__u16 ss0;
95	unsigned : 16;	97	unsigned : 16;
96	__u32 esp1;	98	__u32 esp1;
97	__u16 ss1;	99	__u16 ss1;
98	unsigned : 16;	100	unsigned : 16;
99	__u32 esp2;	101	__u32 esp2;
100	__u16 ss2;	102	__u16 ss2;
101	unsigned : 16;	103	unsigned : 16;
102	__u32 cr3;	104	__u32 cr3;
103	__u32 eip;	105	__u32 eip;
104	__u32 eflags;	106	__u32 eflags;
105	__u32 eax;	107	__u32 eax;
106	__u32 ecx;	108	__u32 ecx;
107	__u32 edx;	109	__u32 edx;
108	__u32 ebx;	110	__u32 ebx;
109	__u32 esp;	111	__u32 esp;
110	__u32 ebp;	112	__u32 ebp;
111	__u32 esi;	113	__u32 esi;
112	__u32 edi;	114	__u32 edi;
113	__u16 es;	115	__u16 es;
114	unsigned : 16;	116	unsigned : 16;
115	__u16 cs;	117	__u16 cs;
116	unsigned : 16;	118	unsigned : 16;
117	__u16 ss;	119	__u16 ss;
118	unsigned : 16;	120	unsigned : 16;
119	__u16 ds;	121	__u16 ds;
120	unsigned : 16;	122	unsigned : 16;
121	__u16 fs;	123	__u16 fs;
122	unsigned : 16;	124	unsigned : 16;
123	__u16 gs;	125	__u16 gs;
124	unsigned : 16;	126	unsigned : 16;
125	__u16 ldtr;	127	__u16 ldtr;
126	unsigned : 16;	128	unsigned : 16;
127	unsigned : 16;	129	unsigned : 16;
128	__u16 io_map_base;	130	__u16 io_map_base;
129	} __attribute__ ((packed));	131	} __attribute__ ((packed));
130		132
131	extern struct ptr_16_32 gdtr;	133	extern struct ptr_16_32 gdtr;
132	extern struct ptr_16_32 real_bootstrap_gdtr;	134	extern struct ptr_16_32 real_bootstrap_gdtr;
133	extern struct ptr_16_32 protected_bootstrap_gdtr;	135	extern struct ptr_16_32 protected_bootstrap_gdtr;
134	extern struct tss *tss_p;	136	extern struct tss *tss_p;
135		137
136	extern struct descriptor gdt[];	138	extern struct descriptor gdt[];
137		139
138	extern void pm_init(void);	140	extern void pm_init(void);
139		141
140	extern void gdt_setbase(struct descriptor *d, __address base);	142	extern void gdt_setbase(struct descriptor *d, __address base);
141	extern void gdt_setlimit(struct descriptor *d, __u32 limit);	143	extern void gdt_setlimit(struct descriptor *d, __u32 limit);
142		144
143	extern void idt_init(void);	145	extern void idt_init(void);
144	extern void idt_setoffset(struct idescriptor *d, __address offset);	146	extern void idt_setoffset(struct idescriptor *d, __address offset);
145		147
146	extern void tss_initialize(struct tss *t);	148	extern void tss_initialize(struct tss *t);
147		149
-		150	#endif /* __ASM__ */
-		151
148	#endif	152	#endif
149		153

Subversion Repositories HelenOS

(root)/SPARTAN/trunk/arch/ia32/include/pm.h @ 338 – Rev 279 → 300