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.
 */
 
 /** @addtogroup amd64 
 * @{
 */
/** @file
 */
 
#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
 
 
 
#ifdef CONFIG_FB
 
#define VESA_INIT_DES       8
#define VESA_INIT_SEGMENT 0x8000
#undef GDT_ITEMS 
#define GDT_ITEMS 9
 
#endif /*CONFIG_FB*/
 
 
 
#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 {
    uint16_t limit;
    uint64_t base;
} __attribute__ ((packed));
typedef struct ptr_16_64 ptr_16_64_t;
 
struct ptr_16_32 {
    uint16_t limit;
    uint32_t base;
} __attribute__ ((packed));
typedef struct ptr_16_32 ptr_16_32_t;
 
struct tss {
    uint32_t reserve1;
    uint64_t rsp0;
    uint64_t rsp1;
    uint64_t rsp2;
    uint64_t reserve2;
    uint64_t ist1;
    uint64_t ist2;
    uint64_t ist3;
    uint64_t ist4;
    uint64_t ist5;
    uint64_t ist6;
    uint64_t ist7;
    uint64_t reserve3;
    uint16_t reserve4;
    uint16_t iomap_base;
    uint8_t 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, uintptr_t base);
extern void gdt_tss_setlimit(descriptor_t *d, uint32_t limit);
 
extern void idt_init(void);
extern void idt_setoffset(idescriptor_t *d, uintptr_t offset);
 
extern void tss_initialize(tss_t *t);
 
#endif /* __ASM__ */
 
#endif
 
 /** @}
 */
 
 

Rev 1702	Rev 1780
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	/** @addtogroup amd64	29	/** @addtogroup amd64
30	* @{	30	* @{
31	*/	31	*/
32	/** @file	32	/** @file
33	*/	33	*/
34		34
35	#ifndef __amd64_PM_H__	35	#ifndef __amd64_PM_H__
36	#define __amd64_PM_H__	36	#define __amd64_PM_H__
37		37
38	#ifndef __ASM__	38	#ifndef __ASM__
39	# include <arch/types.h>	39	# include <arch/types.h>
40	# include <typedefs.h>	40	# include <typedefs.h>
41	# include <arch/context.h>	41	# include <arch/context.h>
42	#endif	42	#endif
43		43
44	#define IDT_ITEMS 64	44	#define IDT_ITEMS 64
45	#define GDT_ITEMS 8	45	#define GDT_ITEMS 8
46		46
47		47
48	#define NULL_DES 0	48	#define NULL_DES 0
49	/* Warning: Do not reorder next items, unless you look into syscall.c!!! */	49	/* Warning: Do not reorder next items, unless you look into syscall.c!!! */
50	#define KTEXT_DES 1	50	#define KTEXT_DES 1
51	#define KDATA_DES 2	51	#define KDATA_DES 2
52	#define UDATA_DES 3	52	#define UDATA_DES 3
53	#define UTEXT_DES 4	53	#define UTEXT_DES 4
54	#define KTEXT32_DES 5	54	#define KTEXT32_DES 5
55	/* EndOfWarning */	55	/* EndOfWarning */
56	#define TSS_DES 6	56	#define TSS_DES 6
57		57
58		58
59		59
60	#ifdef CONFIG_FB	60	#ifdef CONFIG_FB
61		61
62	#define VESA_INIT_DES 8	62	#define VESA_INIT_DES 8
63	#define VESA_INIT_SEGMENT 0x8000	63	#define VESA_INIT_SEGMENT 0x8000
64	#undef GDT_ITEMS	64	#undef GDT_ITEMS
65	#define GDT_ITEMS 9	65	#define GDT_ITEMS 9
66		66
67	#endif /CONFIG_FB/	67	#endif /CONFIG_FB/
68		68
69		69
70		70
71	#define gdtselector(des) ((des)<<3)	71	#define gdtselector(des) ((des)<<3)
72	#define idtselector(des) ((des)<<4)	72	#define idtselector(des) ((des)<<4)
73		73
74	#define PL_KERNEL 0	74	#define PL_KERNEL 0
75	#define PL_USER 3	75	#define PL_USER 3
76		76
77	#define AR_PRESENT (1<<7)	77	#define AR_PRESENT (1<<7)
78	#define AR_DATA (2<<3)	78	#define AR_DATA (2<<3)
79	#define AR_CODE (3<<3)	79	#define AR_CODE (3<<3)
80	#define AR_WRITABLE (1<<1)	80	#define AR_WRITABLE (1<<1)
81	#define AR_READABLE (1<<1)	81	#define AR_READABLE (1<<1)
82	#define AR_TSS (0x9)	82	#define AR_TSS (0x9)
83	#define AR_INTERRUPT (0xe)	83	#define AR_INTERRUPT (0xe)
84	#define AR_TRAP (0xf)	84	#define AR_TRAP (0xf)
85		85
86	#define DPL_KERNEL (PL_KERNEL<<5)	86	#define DPL_KERNEL (PL_KERNEL<<5)
87	#define DPL_USER (PL_USER<<5)	87	#define DPL_USER (PL_USER<<5)
88		88
89	#define TSS_BASIC_SIZE 104	89	#define TSS_BASIC_SIZE 104
90	#define TSS_IOMAP_SIZE (161024+1) / 16K for bitmap + 1 terminating byte for convenience */	90	#define TSS_IOMAP_SIZE (161024+1) / 16K for bitmap + 1 terminating byte for convenience */
91		91
92	#define IO_PORTS (64*1024)	92	#define IO_PORTS (64*1024)
93		93
94	#ifndef __ASM__	94	#ifndef __ASM__
95		95
96	struct descriptor {	96	struct descriptor {
97	unsigned limit_0_15: 16;	97	unsigned limit_0_15: 16;
98	unsigned base_0_15: 16;	98	unsigned base_0_15: 16;
99	unsigned base_16_23: 8;	99	unsigned base_16_23: 8;
100	unsigned access: 8;	100	unsigned access: 8;
101	unsigned limit_16_19: 4;	101	unsigned limit_16_19: 4;
102	unsigned available: 1;	102	unsigned available: 1;
103	unsigned longmode: 1;	103	unsigned longmode: 1;
104	unsigned special: 1;	104	unsigned special: 1;
105	unsigned granularity : 1;	105	unsigned granularity : 1;
106	unsigned base_24_31: 8;	106	unsigned base_24_31: 8;
107	} __attribute__ ((packed));	107	} __attribute__ ((packed));
108	typedef struct descriptor descriptor_t;	108	typedef struct descriptor descriptor_t;
109		109
110	struct tss_descriptor {	110	struct tss_descriptor {
111	unsigned limit_0_15: 16;	111	unsigned limit_0_15: 16;
112	unsigned base_0_15: 16;	112	unsigned base_0_15: 16;
113	unsigned base_16_23: 8;	113	unsigned base_16_23: 8;
114	unsigned type: 4;	114	unsigned type: 4;
115	unsigned : 1;	115	unsigned : 1;
116	unsigned dpl : 2;	116	unsigned dpl : 2;
117	unsigned present : 1;	117	unsigned present : 1;
118	unsigned limit_16_19: 4;	118	unsigned limit_16_19: 4;
119	unsigned available: 1;	119	unsigned available: 1;
120	unsigned : 2;	120	unsigned : 2;
121	unsigned granularity : 1;	121	unsigned granularity : 1;
122	unsigned base_24_31: 8;	122	unsigned base_24_31: 8;
123	unsigned base_32_63 : 32;	123	unsigned base_32_63 : 32;
124	unsigned : 32;	124	unsigned : 32;
125	} __attribute__ ((packed));	125	} __attribute__ ((packed));
126	typedef struct tss_descriptor tss_descriptor_t;	126	typedef struct tss_descriptor tss_descriptor_t;
127		127
128	struct idescriptor {	128	struct idescriptor {
129	unsigned offset_0_15: 16;	129	unsigned offset_0_15: 16;
130	unsigned selector: 16;	130	unsigned selector: 16;
131	unsigned ist:3;	131	unsigned ist:3;
132	unsigned unused: 5;	132	unsigned unused: 5;
133	unsigned type: 5;	133	unsigned type: 5;
134	unsigned dpl: 2;	134	unsigned dpl: 2;
135	unsigned present : 1;	135	unsigned present : 1;
136	unsigned offset_16_31: 16;	136	unsigned offset_16_31: 16;
137	unsigned offset_32_63: 32;	137	unsigned offset_32_63: 32;
138	unsigned : 32;	138	unsigned : 32;
139	} __attribute__ ((packed));	139	} __attribute__ ((packed));
140	typedef struct idescriptor idescriptor_t;	140	typedef struct idescriptor idescriptor_t;
141		141
142	struct ptr_16_64 {	142	struct ptr_16_64 {
143	__u16 limit;	143	uint16_t limit;
144	__u64 base;	144	uint64_t base;
145	} __attribute__ ((packed));	145	} __attribute__ ((packed));
146	typedef struct ptr_16_64 ptr_16_64_t;	146	typedef struct ptr_16_64 ptr_16_64_t;
147		147
148	struct ptr_16_32 {	148	struct ptr_16_32 {
149	__u16 limit;	149	uint16_t limit;
150	__u32 base;	150	uint32_t base;
151	} __attribute__ ((packed));	151	} __attribute__ ((packed));
152	typedef struct ptr_16_32 ptr_16_32_t;	152	typedef struct ptr_16_32 ptr_16_32_t;
153		153
154	struct tss {	154	struct tss {
155	__u32 reserve1;	155	uint32_t reserve1;
156	__u64 rsp0;	156	uint64_t rsp0;
157	__u64 rsp1;	157	uint64_t rsp1;
158	__u64 rsp2;	158	uint64_t rsp2;
159	__u64 reserve2;	159	uint64_t reserve2;
160	__u64 ist1;	160	uint64_t ist1;
161	__u64 ist2;	161	uint64_t ist2;
162	__u64 ist3;	162	uint64_t ist3;
163	__u64 ist4;	163	uint64_t ist4;
164	__u64 ist5;	164	uint64_t ist5;
165	__u64 ist6;	165	uint64_t ist6;
166	__u64 ist7;	166	uint64_t ist7;
167	__u64 reserve3;	167	uint64_t reserve3;
168	__u16 reserve4;	168	uint16_t reserve4;
169	__u16 iomap_base;	169	uint16_t iomap_base;
170	__u8 iomap[TSS_IOMAP_SIZE];	170	uint8_t iomap[TSS_IOMAP_SIZE];
171	} __attribute__ ((packed));	171	} __attribute__ ((packed));
172	typedef struct tss tss_t;	172	typedef struct tss tss_t;
173		173
174	extern tss_t *tss_p;	174	extern tss_t *tss_p;
175		175
176	extern descriptor_t gdt[];	176	extern descriptor_t gdt[];
177	extern idescriptor_t idt[];	177	extern idescriptor_t idt[];
178		178
179	extern ptr_16_64_t gdtr;	179	extern ptr_16_64_t gdtr;
180	extern ptr_16_32_t bootstrap_gdtr;	180	extern ptr_16_32_t bootstrap_gdtr;
181	extern ptr_16_32_t protected_ap_gdtr;	181	extern ptr_16_32_t protected_ap_gdtr;
182		182
183	extern void pm_init(void);	183	extern void pm_init(void);
184		184
185	extern void gdt_tss_setbase(descriptor_t *d, __address base);	185	extern void gdt_tss_setbase(descriptor_t *d, uintptr_t base);
186	extern void gdt_tss_setlimit(descriptor_t *d, __u32 limit);	186	extern void gdt_tss_setlimit(descriptor_t *d, uint32_t limit);
187		187
188	extern void idt_init(void);	188	extern void idt_init(void);
189	extern void idt_setoffset(idescriptor_t *d, __address offset);	189	extern void idt_setoffset(idescriptor_t *d, uintptr_t offset);
190		190
191	extern void tss_initialize(tss_t *t);	191	extern void tss_initialize(tss_t *t);
192		192
193	#endif /* __ASM__ */	193	#endif /* __ASM__ */
194		194
195	#endif	195	#endif
196		196
197	/** @}	197	/** @}
198	*/	198	*/
199		199
200		200

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(root)/kernel/trunk/arch/amd64/include/pm.h – Rev 1702 → 1780