WebSVN – HelenOS – Diff – /trunk/kernel/arch/amd64/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 __amd64_PM_H__
#define __amd64_PM_H__
 
#ifndef __ASM__
# include <arch/types.h>
# include <typedefs.h>
# include <arch/context.h>
#endif
 
#define IDT_ITEMS 64
#define GDT_ITEMS 8
 
#define NULL_DES    0
/* Warning: Do not reorder next items, unless you look into syscall.c!!! */
#define KTEXT_DES   1
#define KDATA_DES   2
#define UDATA_DES   3
#define UTEXT_DES   4
#define KTEXT32_DES     5
/* EndOfWarning */
#define TSS_DES     6
 
#define gdtselector(des)    ((des)<<3)
#define idtselector(des)        ((des)<<4)
 
#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_READABLE     (1<<1)
#define AR_TSS      (0x9)
#define AR_INTERRUPT    (0xe)
#define AR_TRAP         (0xf)
 
#define DPL_KERNEL  (PL_KERNEL<<5)
#define DPL_USER    (PL_USER<<5)
 
#define TSS_BASIC_SIZE  104
#define TSS_IOMAP_SIZE  (16*1024+1) /* 16K for bitmap + 1 terminating byte for convenience */
 
#ifndef __ASM__
 
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 longmode: 1;
    unsigned special: 1;
    unsigned granularity : 1;
    unsigned base_24_31: 8;
} __attribute__ ((packed));
typedef struct descriptor descriptor_t;
 
struct tss_descriptor {
    unsigned limit_0_15: 16;
    unsigned base_0_15: 16;
    unsigned base_16_23: 8;
    unsigned type: 4;
    unsigned : 1;
    unsigned dpl : 2;
    unsigned present : 1;
    unsigned limit_16_19: 4;
    unsigned available: 1;
    unsigned : 2;
    unsigned granularity : 1;
    unsigned base_24_31: 8;
    unsigned base_32_63 : 32;
    unsigned  : 32;
} __attribute__ ((packed));
typedef struct tss_descriptor tss_descriptor_t;
 
struct idescriptor {
    unsigned offset_0_15: 16;
    unsigned selector: 16;
    unsigned ist:3;
    unsigned unused: 5;
    unsigned type: 5;
    unsigned dpl: 2;
    unsigned present : 1;
    unsigned offset_16_31: 16;
    unsigned offset_32_63: 32;
    unsigned  : 32;
} __attribute__ ((packed));
typedef struct idescriptor idescriptor_t;
 
struct ptr_16_64 {
    __u16 limit;
    __u64 base;
} __attribute__ ((packed));
typedef struct ptr_16_64 ptr_16_64_t;
 
struct ptr_16_32 {
    __u16 limit;
    __u32 base;
} __attribute__ ((packed));
typedef struct ptr_16_32 ptr_16_32_t;
 
struct tss {
    __u32 reserve1;
    __u64 rsp0;
    __u64 rsp1;
    __u64 rsp2;
    __u64 reserve2;
    __u64 ist1;
    __u64 ist2;
    __u64 ist3;
    __u64 ist4;
    __u64 ist5;
    __u64 ist6;
    __u64 ist7;
    __u64 reserve3;
    __u16 reserve4;
    __u16 iomap_base;
    __u8 iomap[TSS_IOMAP_SIZE];
} __attribute__ ((packed));
typedef struct tss tss_t;
 
extern tss_t *tss_p;
 
extern descriptor_t gdt[];
extern idescriptor_t idt[];
 
extern ptr_16_64_t gdtr;
extern ptr_16_32_t bootstrap_gdtr;
extern ptr_16_32_t protected_ap_gdtr;
 
extern void pm_init(void);
 
extern void gdt_tss_setbase(descriptor_t *d, __address base);
extern void gdt_tss_setlimit(descriptor_t *d, __u32 limit);
 
extern void idt_init(void);
extern void idt_setoffset(idescriptor_t *d, __address offset);
 
extern void tss_initialize(tss_t *t);
 
#endif /* __ASM__ */
 
#endif
 

Rev 1187	Rev 1201
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 __amd64_PM_H__	29	#ifndef __amd64_PM_H__
30	#define __amd64_PM_H__	30	#define __amd64_PM_H__
31		31
32	#ifndef __ASM__	32	#ifndef __ASM__
33	# include <arch/types.h>	33	# include <arch/types.h>
34	# include <typedefs.h>	34	# include <typedefs.h>
35	# include <arch/context.h>	35	# include <arch/context.h>
36	#endif	36	#endif
37		37
38	#define IDT_ITEMS 64	38	#define IDT_ITEMS 64
39	#define GDT_ITEMS 8	39	#define GDT_ITEMS 8
40		40
41	#define NULL_DES 0	41	#define NULL_DES 0
42	/* Warning: Do not reorder next items, unless you look into syscall.c!!! */	42	/* Warning: Do not reorder next items, unless you look into syscall.c!!! */
43	#define KTEXT_DES 1	43	#define KTEXT_DES 1
44	#define KDATA_DES 2	44	#define KDATA_DES 2
45	#define UDATA_DES 3	45	#define UDATA_DES 3
46	#define UTEXT_DES 4	46	#define UTEXT_DES 4
47	#define KTEXT32_DES 5	47	#define KTEXT32_DES 5
48	/* EndOfWarning */	48	/* EndOfWarning */
49	#define TSS_DES 6	49	#define TSS_DES 6
50		50
51	#define gdtselector(des) ((des)<<3)	51	#define gdtselector(des) ((des)<<3)
52	#define idtselector(des) ((des)<<4)	52	#define idtselector(des) ((des)<<4)
53		53
54	#define PL_KERNEL 0	54	#define PL_KERNEL 0
55	#define PL_USER 3	55	#define PL_USER 3
56		56
57	#define AR_PRESENT (1<<7)	57	#define AR_PRESENT (1<<7)
58	#define AR_DATA (2<<3)	58	#define AR_DATA (2<<3)
59	#define AR_CODE (3<<3)	59	#define AR_CODE (3<<3)
60	#define AR_WRITABLE (1<<1)	60	#define AR_WRITABLE (1<<1)
61	#define AR_READABLE (1<<1)	61	#define AR_READABLE (1<<1)
62	#define AR_TSS (0x9)	62	#define AR_TSS (0x9)
63	#define AR_INTERRUPT (0xe)	63	#define AR_INTERRUPT (0xe)
64	#define AR_TRAP (0xf)	64	#define AR_TRAP (0xf)
65		65
66	#define DPL_KERNEL (PL_KERNEL<<5)	66	#define DPL_KERNEL (PL_KERNEL<<5)
67	#define DPL_USER (PL_USER<<5)	67	#define DPL_USER (PL_USER<<5)
68		68
69	#define TSS_BASIC_SIZE 104	69	#define TSS_BASIC_SIZE 104
-		70	#define TSS_IOMAP_SIZE (161024+1) / 16K for bitmap + 1 terminating byte for convenience */
70		71
71	#ifndef __ASM__	72	#ifndef __ASM__
72		73
73	struct descriptor {	74	struct descriptor {
74	unsigned limit_0_15: 16;	75	unsigned limit_0_15: 16;
75	unsigned base_0_15: 16;	76	unsigned base_0_15: 16;
76	unsigned base_16_23: 8;	77	unsigned base_16_23: 8;
77	unsigned access: 8;	78	unsigned access: 8;
78	unsigned limit_16_19: 4;	79	unsigned limit_16_19: 4;
79	unsigned available: 1;	80	unsigned available: 1;
80	unsigned longmode: 1;	81	unsigned longmode: 1;
81	unsigned special: 1;	82	unsigned special: 1;
82	unsigned granularity : 1;	83	unsigned granularity : 1;
83	unsigned base_24_31: 8;	84	unsigned base_24_31: 8;
84	} __attribute__ ((packed));	85	} __attribute__ ((packed));
85	typedef struct descriptor descriptor_t;	86	typedef struct descriptor descriptor_t;
86		87
87	struct tss_descriptor {	88	struct tss_descriptor {
88	unsigned limit_0_15: 16;	89	unsigned limit_0_15: 16;
89	unsigned base_0_15: 16;	90	unsigned base_0_15: 16;
90	unsigned base_16_23: 8;	91	unsigned base_16_23: 8;
91	unsigned type: 4;	92	unsigned type: 4;
92	unsigned : 1;	93	unsigned : 1;
93	unsigned dpl : 2;	94	unsigned dpl : 2;
94	unsigned present : 1;	95	unsigned present : 1;
95	unsigned limit_16_19: 4;	96	unsigned limit_16_19: 4;
96	unsigned available: 1;	97	unsigned available: 1;
97	unsigned : 2;	98	unsigned : 2;
98	unsigned granularity : 1;	99	unsigned granularity : 1;
99	unsigned base_24_31: 8;	100	unsigned base_24_31: 8;
100	unsigned base_32_63 : 32;	101	unsigned base_32_63 : 32;
101	unsigned : 32;	102	unsigned : 32;
102	} __attribute__ ((packed));	103	} __attribute__ ((packed));
103	typedef struct tss_descriptor tss_descriptor_t;	104	typedef struct tss_descriptor tss_descriptor_t;
104		105
105	struct idescriptor {	106	struct idescriptor {
106	unsigned offset_0_15: 16;	107	unsigned offset_0_15: 16;
107	unsigned selector: 16;	108	unsigned selector: 16;
108	unsigned ist:3;	109	unsigned ist:3;
109	unsigned unused: 5;	110	unsigned unused: 5;
110	unsigned type: 5;	111	unsigned type: 5;
111	unsigned dpl: 2;	112	unsigned dpl: 2;
112	unsigned present : 1;	113	unsigned present : 1;
113	unsigned offset_16_31: 16;	114	unsigned offset_16_31: 16;
114	unsigned offset_32_63: 32;	115	unsigned offset_32_63: 32;
115	unsigned : 32;	116	unsigned : 32;
116	} __attribute__ ((packed));	117	} __attribute__ ((packed));
117	typedef struct idescriptor idescriptor_t;	118	typedef struct idescriptor idescriptor_t;
118		119
119	struct ptr_16_64 {	120	struct ptr_16_64 {
120	__u16 limit;	121	__u16 limit;
121	__u64 base;	122	__u64 base;
122	} __attribute__ ((packed));	123	} __attribute__ ((packed));
123	typedef struct ptr_16_64 ptr_16_64_t;	124	typedef struct ptr_16_64 ptr_16_64_t;
124		125
125	struct ptr_16_32 {	126	struct ptr_16_32 {
126	__u16 limit;	127	__u16 limit;
127	__u32 base;	128	__u32 base;
128	} __attribute__ ((packed));	129	} __attribute__ ((packed));
129	typedef struct ptr_16_32 ptr_16_32_t;	130	typedef struct ptr_16_32 ptr_16_32_t;
130		131
131	struct tss {	132	struct tss {
132	__u32 reserve1;	133	__u32 reserve1;
133	__u64 rsp0;	134	__u64 rsp0;
134	__u64 rsp1;	135	__u64 rsp1;
135	__u64 rsp2;	136	__u64 rsp2;
136	__u64 reserve2;	137	__u64 reserve2;
137	__u64 ist1;	138	__u64 ist1;
138	__u64 ist2;	139	__u64 ist2;
139	__u64 ist3;	140	__u64 ist3;
140	__u64 ist4;	141	__u64 ist4;
141	__u64 ist5;	142	__u64 ist5;
142	__u64 ist6;	143	__u64 ist6;
143	__u64 ist7;	144	__u64 ist7;
144	__u64 reserve3;	145	__u64 reserve3;
145	__u16 reserve4;	146	__u16 reserve4;
146	__u16 iomap_base;	147	__u16 iomap_base;
147	__u8 iomap[0x10000 + 1]; /* 64K + 1 terminating byte */	148	__u8 iomap[TSS_IOMAP_SIZE];
148	} __attribute__ ((packed));	149	} __attribute__ ((packed));
149	typedef struct tss tss_t;	150	typedef struct tss tss_t;
150		151
151	extern tss_t *tss_p;	152	extern tss_t *tss_p;
152		153
153	extern descriptor_t gdt[];	154	extern descriptor_t gdt[];
154	extern idescriptor_t idt[];	155	extern idescriptor_t idt[];
155		156
156	extern ptr_16_64_t gdtr;	157	extern ptr_16_64_t gdtr;
157	extern ptr_16_32_t bootstrap_gdtr;	158	extern ptr_16_32_t bootstrap_gdtr;
158	extern ptr_16_32_t protected_ap_gdtr;	159	extern ptr_16_32_t protected_ap_gdtr;
159		160
160	extern void pm_init(void);	161	extern void pm_init(void);
161		162
162	extern void gdt_tss_setbase(descriptor_t *d, __address base);	163	extern void gdt_tss_setbase(descriptor_t *d, __address base);
163	extern void gdt_tss_setlimit(descriptor_t *d, __u32 limit);	164	extern void gdt_tss_setlimit(descriptor_t *d, __u32 limit);
164		165
165	extern void idt_init(void);	166	extern void idt_init(void);
166	extern void idt_setoffset(idescriptor_t *d, __address offset);	167	extern void idt_setoffset(idescriptor_t *d, __address offset);
167		168
168	extern void tss_initialize(tss_t *t);	169	extern void tss_initialize(tss_t *t);
169		170
170	#endif /* __ASM__ */	171	#endif /* __ASM__ */
171		172
172	#endif	173	#endif
173		174

Subversion Repositories HelenOS

(root)/trunk/kernel/arch/amd64/include/pm.h @ 2649 – Rev 1187 → 1201