WebSVN – HelenOS-historic – Diff – /kernel/trunk/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 9
 
#define VESA_INIT_SEGMENT 0x8000
 
#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 VESA_INIT_DES       8
 
#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 */
 
#define IO_PORTS    (64*1024)
 
#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 1203	Rev 1289
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 9
-		40
-		41	#define VESA_INIT_SEGMENT 0x8000
40		42
41	#define NULL_DES 0	43	#define NULL_DES 0
42	/* Warning: Do not reorder next items, unless you look into syscall.c!!! */	44	/* Warning: Do not reorder next items, unless you look into syscall.c!!! */
43	#define KTEXT_DES 1	45	#define KTEXT_DES 1
44	#define KDATA_DES 2	46	#define KDATA_DES 2
45	#define UDATA_DES 3	47	#define UDATA_DES 3
46	#define UTEXT_DES 4	48	#define UTEXT_DES 4
47	#define KTEXT32_DES 5	49	#define KTEXT32_DES 5
48	/* EndOfWarning */	50	/* EndOfWarning */
49	#define TSS_DES 6	51	#define TSS_DES 6
-		52	#define VESA_INIT_DES 8
50		53
51	#define gdtselector(des) ((des)<<3)	54	#define gdtselector(des) ((des)<<3)
52	#define idtselector(des) ((des)<<4)	55	#define idtselector(des) ((des)<<4)
53		56
54	#define PL_KERNEL 0	57	#define PL_KERNEL 0
55	#define PL_USER 3	58	#define PL_USER 3
56		59
57	#define AR_PRESENT (1<<7)	60	#define AR_PRESENT (1<<7)
58	#define AR_DATA (2<<3)	61	#define AR_DATA (2<<3)
59	#define AR_CODE (3<<3)	62	#define AR_CODE (3<<3)
60	#define AR_WRITABLE (1<<1)	63	#define AR_WRITABLE (1<<1)
61	#define AR_READABLE (1<<1)	64	#define AR_READABLE (1<<1)
62	#define AR_TSS (0x9)	65	#define AR_TSS (0x9)
63	#define AR_INTERRUPT (0xe)	66	#define AR_INTERRUPT (0xe)
64	#define AR_TRAP (0xf)	67	#define AR_TRAP (0xf)
65		68
66	#define DPL_KERNEL (PL_KERNEL<<5)	69	#define DPL_KERNEL (PL_KERNEL<<5)
67	#define DPL_USER (PL_USER<<5)	70	#define DPL_USER (PL_USER<<5)
68		71
69	#define TSS_BASIC_SIZE 104	72	#define TSS_BASIC_SIZE 104
70	#define TSS_IOMAP_SIZE (161024+1) / 16K for bitmap + 1 terminating byte for convenience */	73	#define TSS_IOMAP_SIZE (161024+1) / 16K for bitmap + 1 terminating byte for convenience */
71		74
72	#define IO_PORTS (64*1024)	75	#define IO_PORTS (64*1024)
73		76
74	#ifndef __ASM__	77	#ifndef __ASM__
75		78
76	struct descriptor {	79	struct descriptor {
77	unsigned limit_0_15: 16;	80	unsigned limit_0_15: 16;
78	unsigned base_0_15: 16;	81	unsigned base_0_15: 16;
79	unsigned base_16_23: 8;	82	unsigned base_16_23: 8;
80	unsigned access: 8;	83	unsigned access: 8;
81	unsigned limit_16_19: 4;	84	unsigned limit_16_19: 4;
82	unsigned available: 1;	85	unsigned available: 1;
83	unsigned longmode: 1;	86	unsigned longmode: 1;
84	unsigned special: 1;	87	unsigned special: 1;
85	unsigned granularity : 1;	88	unsigned granularity : 1;
86	unsigned base_24_31: 8;	89	unsigned base_24_31: 8;
87	} __attribute__ ((packed));	90	} __attribute__ ((packed));
88	typedef struct descriptor descriptor_t;	91	typedef struct descriptor descriptor_t;
89		92
90	struct tss_descriptor {	93	struct tss_descriptor {
91	unsigned limit_0_15: 16;	94	unsigned limit_0_15: 16;
92	unsigned base_0_15: 16;	95	unsigned base_0_15: 16;
93	unsigned base_16_23: 8;	96	unsigned base_16_23: 8;
94	unsigned type: 4;	97	unsigned type: 4;
95	unsigned : 1;	98	unsigned : 1;
96	unsigned dpl : 2;	99	unsigned dpl : 2;
97	unsigned present : 1;	100	unsigned present : 1;
98	unsigned limit_16_19: 4;	101	unsigned limit_16_19: 4;
99	unsigned available: 1;	102	unsigned available: 1;
100	unsigned : 2;	103	unsigned : 2;
101	unsigned granularity : 1;	104	unsigned granularity : 1;
102	unsigned base_24_31: 8;	105	unsigned base_24_31: 8;
103	unsigned base_32_63 : 32;	106	unsigned base_32_63 : 32;
104	unsigned : 32;	107	unsigned : 32;
105	} __attribute__ ((packed));	108	} __attribute__ ((packed));
106	typedef struct tss_descriptor tss_descriptor_t;	109	typedef struct tss_descriptor tss_descriptor_t;
107		110
108	struct idescriptor {	111	struct idescriptor {
109	unsigned offset_0_15: 16;	112	unsigned offset_0_15: 16;
110	unsigned selector: 16;	113	unsigned selector: 16;
111	unsigned ist:3;	114	unsigned ist:3;
112	unsigned unused: 5;	115	unsigned unused: 5;
113	unsigned type: 5;	116	unsigned type: 5;
114	unsigned dpl: 2;	117	unsigned dpl: 2;
115	unsigned present : 1;	118	unsigned present : 1;
116	unsigned offset_16_31: 16;	119	unsigned offset_16_31: 16;
117	unsigned offset_32_63: 32;	120	unsigned offset_32_63: 32;
118	unsigned : 32;	121	unsigned : 32;
119	} __attribute__ ((packed));	122	} __attribute__ ((packed));
120	typedef struct idescriptor idescriptor_t;	123	typedef struct idescriptor idescriptor_t;
121		124
122	struct ptr_16_64 {	125	struct ptr_16_64 {
123	__u16 limit;	126	__u16 limit;
124	__u64 base;	127	__u64 base;
125	} __attribute__ ((packed));	128	} __attribute__ ((packed));
126	typedef struct ptr_16_64 ptr_16_64_t;	129	typedef struct ptr_16_64 ptr_16_64_t;
127		130
128	struct ptr_16_32 {	131	struct ptr_16_32 {
129	__u16 limit;	132	__u16 limit;
130	__u32 base;	133	__u32 base;
131	} __attribute__ ((packed));	134	} __attribute__ ((packed));
132	typedef struct ptr_16_32 ptr_16_32_t;	135	typedef struct ptr_16_32 ptr_16_32_t;
133		136
134	struct tss {	137	struct tss {
135	__u32 reserve1;	138	__u32 reserve1;
136	__u64 rsp0;	139	__u64 rsp0;
137	__u64 rsp1;	140	__u64 rsp1;
138	__u64 rsp2;	141	__u64 rsp2;
139	__u64 reserve2;	142	__u64 reserve2;
140	__u64 ist1;	143	__u64 ist1;
141	__u64 ist2;	144	__u64 ist2;
142	__u64 ist3;	145	__u64 ist3;
143	__u64 ist4;	146	__u64 ist4;
144	__u64 ist5;	147	__u64 ist5;
145	__u64 ist6;	148	__u64 ist6;
146	__u64 ist7;	149	__u64 ist7;
147	__u64 reserve3;	150	__u64 reserve3;
148	__u16 reserve4;	151	__u16 reserve4;
149	__u16 iomap_base;	152	__u16 iomap_base;
150	__u8 iomap[TSS_IOMAP_SIZE];	153	__u8 iomap[TSS_IOMAP_SIZE];
151	} __attribute__ ((packed));	154	} __attribute__ ((packed));
152	typedef struct tss tss_t;	155	typedef struct tss tss_t;
153		156
154	extern tss_t *tss_p;	157	extern tss_t *tss_p;
155		158
156	extern descriptor_t gdt[];	159	extern descriptor_t gdt[];
157	extern idescriptor_t idt[];	160	extern idescriptor_t idt[];
158		161
159	extern ptr_16_64_t gdtr;	162	extern ptr_16_64_t gdtr;
160	extern ptr_16_32_t bootstrap_gdtr;	163	extern ptr_16_32_t bootstrap_gdtr;
161	extern ptr_16_32_t protected_ap_gdtr;	164	extern ptr_16_32_t protected_ap_gdtr;
162		165
163	extern void pm_init(void);	166	extern void pm_init(void);
164		167
165	extern void gdt_tss_setbase(descriptor_t *d, __address base);	168	extern void gdt_tss_setbase(descriptor_t *d, __address base);
166	extern void gdt_tss_setlimit(descriptor_t *d, __u32 limit);	169	extern void gdt_tss_setlimit(descriptor_t *d, __u32 limit);
167		170
168	extern void idt_init(void);	171	extern void idt_init(void);
169	extern void idt_setoffset(idescriptor_t *d, __address offset);	172	extern void idt_setoffset(idescriptor_t *d, __address offset);
170		173
171	extern void tss_initialize(tss_t *t);	174	extern void tss_initialize(tss_t *t);
172		175
173	#endif /* __ASM__ */	176	#endif /* __ASM__ */
174		177
175	#endif	178	#endif
176		179

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(root)/kernel/trunk/arch/amd64/include/pm.h @ 1203 – Rev 1203 → 1289