WebSVN – HelenOS – Diff – /tags/0.2.0.1/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
 
 
 
#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 {
    __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 1965	Rev 1968
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		41
42	#define NULL_DES 0	42	#define NULL_DES 0
43	/* Warning: Do not reorder next items, unless you look into syscall.c!!! */	43	/* Warning: Do not reorder next items, unless you look into syscall.c!!! */
44	#define KTEXT_DES 1	44	#define KTEXT_DES 1
45	#define KDATA_DES 2	45	#define KDATA_DES 2
46	#define UDATA_DES 3	46	#define UDATA_DES 3
47	#define UTEXT_DES 4	47	#define UTEXT_DES 4
48	#define KTEXT32_DES 5	48	#define KTEXT32_DES 5
49	/* EndOfWarning */	49	/* EndOfWarning */
50	#define TSS_DES 6	50	#define TSS_DES 6
51		51
52		52
53		53
54	#ifdef CONFIG_FB	54	#ifdef CONFIG_FB
55		55
56	#define VESA_INIT_DES 8	56	#define VESA_INIT_DES 8
57	#define VESA_INIT_SEGMENT 0x8000	57	#define VESA_INIT_SEGMENT 0x8000
58	#undef GDT_ITEMS	58	#undef GDT_ITEMS
59	#define GDT_ITEMS 9	59	#define GDT_ITEMS 9
60		60
61	#endif /CONFIG_FB/	61	#endif /CONFIG_FB/
62		62
63		63
64		64
65	#define gdtselector(des) ((des)<<3)	65	#define gdtselector(des) ((des)<<3)
66	#define idtselector(des) ((des)<<4)	66	#define idtselector(des) ((des)<<4)
67		67
68	#define PL_KERNEL 0	68	#define PL_KERNEL 0
69	#define PL_USER 3	69	#define PL_USER 3
70		70
71	#define AR_PRESENT (1<<7)	71	#define AR_PRESENT (1<<7)
72	#define AR_DATA (2<<3)	72	#define AR_DATA (2<<3)
73	#define AR_CODE (3<<3)	73	#define AR_CODE (3<<3)
74	#define AR_WRITABLE (1<<1)	74	#define AR_WRITABLE (1<<1)
75	#define AR_READABLE (1<<1)	75	#define AR_READABLE (1<<1)
76	#define AR_TSS (0x9)	76	#define AR_TSS (0x9)
77	#define AR_INTERRUPT (0xe)	77	#define AR_INTERRUPT (0xe)
78	#define AR_TRAP (0xf)	78	#define AR_TRAP (0xf)
79		79
80	#define DPL_KERNEL (PL_KERNEL<<5)	80	#define DPL_KERNEL (PL_KERNEL<<5)
81	#define DPL_USER (PL_USER<<5)	81	#define DPL_USER (PL_USER<<5)
82		82
83	#define TSS_BASIC_SIZE 104	83	#define TSS_BASIC_SIZE 104
84	#define TSS_IOMAP_SIZE (161024+1) / 16K for bitmap + 1 terminating byte for convenience */	84	#define TSS_IOMAP_SIZE (161024+1) / 16K for bitmap + 1 terminating byte for convenience */
85		85
86	#define IO_PORTS (64*1024)	86	#define IO_PORTS (64*1024)
87		87
88	#ifndef __ASM__	88	#ifndef __ASM__
89		89
90	struct descriptor {	90	struct descriptor {
91	unsigned limit_0_15: 16;	91	unsigned limit_0_15: 16;
92	unsigned base_0_15: 16;	92	unsigned base_0_15: 16;
93	unsigned base_16_23: 8;	93	unsigned base_16_23: 8;
94	unsigned access: 8;	94	unsigned access: 8;
95	unsigned limit_16_19: 4;	95	unsigned limit_16_19: 4;
96	unsigned available: 1;	96	unsigned available: 1;
97	unsigned longmode: 1;	97	unsigned longmode: 1;
98	unsigned special: 1;	98	unsigned special: 1;
99	unsigned granularity : 1;	99	unsigned granularity : 1;
100	unsigned base_24_31: 8;	100	unsigned base_24_31: 8;
101	} __attribute__ ((packed));	101	} __attribute__ ((packed));
102	typedef struct descriptor descriptor_t;	102	typedef struct descriptor descriptor_t;
103		103
104	struct tss_descriptor {	104	struct tss_descriptor {
105	unsigned limit_0_15: 16;	105	unsigned limit_0_15: 16;
106	unsigned base_0_15: 16;	106	unsigned base_0_15: 16;
107	unsigned base_16_23: 8;	107	unsigned base_16_23: 8;
108	unsigned type: 4;	108	unsigned type: 4;
109	unsigned : 1;	109	unsigned : 1;
110	unsigned dpl : 2;	110	unsigned dpl : 2;
111	unsigned present : 1;	111	unsigned present : 1;
112	unsigned limit_16_19: 4;	112	unsigned limit_16_19: 4;
113	unsigned available: 1;	113	unsigned available: 1;
114	unsigned : 2;	114	unsigned : 2;
115	unsigned granularity : 1;	115	unsigned granularity : 1;
116	unsigned base_24_31: 8;	116	unsigned base_24_31: 8;
117	unsigned base_32_63 : 32;	117	unsigned base_32_63 : 32;
118	unsigned : 32;	118	unsigned : 32;
119	} __attribute__ ((packed));	119	} __attribute__ ((packed));
120	typedef struct tss_descriptor tss_descriptor_t;	120	typedef struct tss_descriptor tss_descriptor_t;
121		121
122	struct idescriptor {	122	struct idescriptor {
123	unsigned offset_0_15: 16;	123	unsigned offset_0_15: 16;
124	unsigned selector: 16;	124	unsigned selector: 16;
125	unsigned ist:3;	125	unsigned ist:3;
126	unsigned unused: 5;	126	unsigned unused: 5;
127	unsigned type: 5;	127	unsigned type: 5;
128	unsigned dpl: 2;	128	unsigned dpl: 2;
129	unsigned present : 1;	129	unsigned present : 1;
130	unsigned offset_16_31: 16;	130	unsigned offset_16_31: 16;
131	unsigned offset_32_63: 32;	131	unsigned offset_32_63: 32;
132	unsigned : 32;	132	unsigned : 32;
133	} __attribute__ ((packed));	133	} __attribute__ ((packed));
134	typedef struct idescriptor idescriptor_t;	134	typedef struct idescriptor idescriptor_t;
135		135
136	struct ptr_16_64 {	136	struct ptr_16_64 {
137	__u16 limit;	137	__u16 limit;
138	__u64 base;	138	__u64 base;
139	} __attribute__ ((packed));	139	} __attribute__ ((packed));
140	typedef struct ptr_16_64 ptr_16_64_t;	140	typedef struct ptr_16_64 ptr_16_64_t;
141		141
142	struct ptr_16_32 {	142	struct ptr_16_32 {
143	__u16 limit;	143	__u16 limit;
144	__u32 base;	144	__u32 base;
145	} __attribute__ ((packed));	145	} __attribute__ ((packed));
146	typedef struct ptr_16_32 ptr_16_32_t;	146	typedef struct ptr_16_32 ptr_16_32_t;
147		147
148	struct tss {	148	struct tss {
149	__u32 reserve1;	149	__u32 reserve1;
150	__u64 rsp0;	150	__u64 rsp0;
151	__u64 rsp1;	151	__u64 rsp1;
152	__u64 rsp2;	152	__u64 rsp2;
153	__u64 reserve2;	153	__u64 reserve2;
154	__u64 ist1;	154	__u64 ist1;
155	__u64 ist2;	155	__u64 ist2;
156	__u64 ist3;	156	__u64 ist3;
157	__u64 ist4;	157	__u64 ist4;
158	__u64 ist5;	158	__u64 ist5;
159	__u64 ist6;	159	__u64 ist6;
160	__u64 ist7;	160	__u64 ist7;
161	__u64 reserve3;	161	__u64 reserve3;
162	__u16 reserve4;	162	__u16 reserve4;
163	__u16 iomap_base;	163	__u16 iomap_base;
164	__u8 iomap[TSS_IOMAP_SIZE];	164	__u8 iomap[TSS_IOMAP_SIZE];
165	} __attribute__ ((packed));	165	} __attribute__ ((packed));
166	typedef struct tss tss_t;	166	typedef struct tss tss_t;
167		167
168	extern tss_t *tss_p;	168	extern tss_t *tss_p;
169		169
170	extern descriptor_t gdt[];	170	extern descriptor_t gdt[];
171	extern idescriptor_t idt[];	171	extern idescriptor_t idt[];
172		172
173	extern ptr_16_64_t gdtr;	173	extern ptr_16_64_t gdtr;
174	extern ptr_16_32_t bootstrap_gdtr;	174	extern ptr_16_32_t bootstrap_gdtr;
175	extern ptr_16_32_t protected_ap_gdtr;	175	extern ptr_16_32_t protected_ap_gdtr;
176		176
177	extern void pm_init(void);	177	extern void pm_init(void);
178		178
179	extern void gdt_tss_setbase(descriptor_t *d, __address base);	179	extern void gdt_tss_setbase(descriptor_t *d, __address base);
180	extern void gdt_tss_setlimit(descriptor_t *d, __u32 limit);	180	extern void gdt_tss_setlimit(descriptor_t *d, __u32 limit);
181		181
182	extern void idt_init(void);	182	extern void idt_init(void);
183	extern void idt_setoffset(idescriptor_t *d, __address offset);	183	extern void idt_setoffset(idescriptor_t *d, __address offset);
184		184
185	extern void tss_initialize(tss_t *t);	185	extern void tss_initialize(tss_t *t);
186		186
187	#endif /* __ASM__ */	187	#endif /* __ASM__ */
188		188
189	#endif	189	#endif
190		190

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(root)/tags/0.2.0.1/kernel/arch/amd64/include/pm.h – Rev 1965 → 1968