WebSVN – HelenOS-historic – Diff – /kernel/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.
 */
 
 /** @addtogroup ia32  
 * @{
 */
/** @file
 */
 
#ifndef __PM_H__
#define __PM_H__
 
#define IDT_ITEMS 64
#define GDT_ITEMS 7
 
#define VESA_INIT_SEGMENT 0x8000
 
#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 TLS_DES         6 /* Pointer to Thread-Local-Storage data */
 
#ifdef CONFIG_FB
 
#define VESA_INIT_SEGMENT 0x8000
#define VESA_INIT_DES 7
#undef GDT_ITEMS
#define GDT_ITEMS 8
 
#endif /* CONFIG_FB */
 
 
#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 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__
 
#include <arch/types.h>
#include <typedefs.h>
#include <arch/context.h>
 
struct ptr_16_32 {
    uint16_t limit;
    uint32_t base;
} __attribute__ ((packed));
typedef struct ptr_16_32 ptr_16_32_t;
 
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));
typedef struct descriptor  descriptor_t;
 
struct idescriptor {
    unsigned offset_0_15: 16;
    unsigned selector: 16;
    unsigned unused: 8;
    unsigned access: 8;
    unsigned offset_16_31: 16;
} __attribute__ ((packed));
typedef struct idescriptor idescriptor_t;
 
struct tss {
    uint16_t link;
    unsigned : 16;
    uint32_t esp0;
    uint16_t ss0;
    unsigned : 16;
    uint32_t esp1;
    uint16_t ss1;
    unsigned : 16;
    uint32_t esp2;
    uint16_t ss2;
    unsigned : 16;
    uint32_t cr3;
    uint32_t eip;
    uint32_t eflags;
    uint32_t eax;
    uint32_t ecx;
    uint32_t edx;
    uint32_t ebx;
    uint32_t esp;
    uint32_t ebp;
    uint32_t esi;
    uint32_t edi;
    uint16_t es;
    unsigned : 16;
    uint16_t cs;
    unsigned : 16;
    uint16_t ss;
    unsigned : 16;
    uint16_t ds;
    unsigned : 16;
    uint16_t fs;
    unsigned : 16;
    uint16_t gs;
    unsigned : 16;
    uint16_t ldtr;
    unsigned : 16;
    unsigned : 16;
    uint16_t iomap_base;
    uint8_t iomap[TSS_IOMAP_SIZE];
} __attribute__ ((packed));
typedef struct tss tss_t;
 
extern ptr_16_32_t gdtr;
extern ptr_16_32_t bootstrap_gdtr;
extern ptr_16_32_t protected_ap_gdtr;
extern struct tss *tss_p;
 
extern descriptor_t gdt[];
 
extern void pm_init(void);
 
extern void gdt_setbase(descriptor_t *d, uintptr_t base);
extern void gdt_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);
extern void set_tls_desc(uintptr_t tls);
 
#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 ia32	29	/** @addtogroup ia32
30	* @{	30	* @{
31	*/	31	*/
32	/** @file	32	/** @file
33	*/	33	*/
34		34
35	#ifndef __PM_H__	35	#ifndef __PM_H__
36	#define __PM_H__	36	#define __PM_H__
37		37
38	#define IDT_ITEMS 64	38	#define IDT_ITEMS 64
39	#define GDT_ITEMS 7	39	#define GDT_ITEMS 7
40		40
41	#define VESA_INIT_SEGMENT 0x8000	41	#define VESA_INIT_SEGMENT 0x8000
42		42
43	#define NULL_DES 0	43	#define NULL_DES 0
44	#define KTEXT_DES 1	44	#define KTEXT_DES 1
45	#define KDATA_DES 2	45	#define KDATA_DES 2
46	#define UTEXT_DES 3	46	#define UTEXT_DES 3
47	#define UDATA_DES 4	47	#define UDATA_DES 4
48	#define TSS_DES 5	48	#define TSS_DES 5
49	#define TLS_DES 6 /* Pointer to Thread-Local-Storage data */	49	#define TLS_DES 6 /* Pointer to Thread-Local-Storage data */
50		50
51	#ifdef CONFIG_FB	51	#ifdef CONFIG_FB
52		52
53	#define VESA_INIT_SEGMENT 0x8000	53	#define VESA_INIT_SEGMENT 0x8000
54	#define VESA_INIT_DES 7	54	#define VESA_INIT_DES 7
55	#undef GDT_ITEMS	55	#undef GDT_ITEMS
56	#define GDT_ITEMS 8	56	#define GDT_ITEMS 8
57		57
58	#endif /* CONFIG_FB */	58	#endif /* CONFIG_FB */
59		59
60		60
61	#define selector(des) ((des)<<3)	61	#define selector(des) ((des)<<3)
62		62
63	#define PL_KERNEL 0	63	#define PL_KERNEL 0
64	#define PL_USER 3	64	#define PL_USER 3
65		65
66	#define AR_PRESENT (1<<7)	66	#define AR_PRESENT (1<<7)
67	#define AR_DATA (2<<3)	67	#define AR_DATA (2<<3)
68	#define AR_CODE (3<<3)	68	#define AR_CODE (3<<3)
69	#define AR_WRITABLE (1<<1)	69	#define AR_WRITABLE (1<<1)
70	#define AR_INTERRUPT (0xe)	70	#define AR_INTERRUPT (0xe)
71	#define AR_TSS (0x9)	71	#define AR_TSS (0x9)
72		72
73	#define DPL_KERNEL (PL_KERNEL<<5)	73	#define DPL_KERNEL (PL_KERNEL<<5)
74	#define DPL_USER (PL_USER<<5)	74	#define DPL_USER (PL_USER<<5)
75		75
76	#define TSS_BASIC_SIZE 104	76	#define TSS_BASIC_SIZE 104
77	#define TSS_IOMAP_SIZE (161024+1) / 16K for bitmap + 1 terminating byte for convenience */	77	#define TSS_IOMAP_SIZE (161024+1) / 16K for bitmap + 1 terminating byte for convenience */
78		78
79	#define IO_PORTS (64*1024)	79	#define IO_PORTS (64*1024)
80		80
81	#ifndef __ASM__	81	#ifndef __ASM__
82		82
83	#include <arch/types.h>	83	#include <arch/types.h>
84	#include <typedefs.h>	84	#include <typedefs.h>
85	#include <arch/context.h>	85	#include <arch/context.h>
86		86
87	struct ptr_16_32 {	87	struct ptr_16_32 {
88	__u16 limit;	88	uint16_t limit;
89	__u32 base;	89	uint32_t base;
90	} __attribute__ ((packed));	90	} __attribute__ ((packed));
91	typedef struct ptr_16_32 ptr_16_32_t;	91	typedef struct ptr_16_32 ptr_16_32_t;
92		92
93	struct descriptor {	93	struct descriptor {
94	unsigned limit_0_15: 16;	94	unsigned limit_0_15: 16;
95	unsigned base_0_15: 16;	95	unsigned base_0_15: 16;
96	unsigned base_16_23: 8;	96	unsigned base_16_23: 8;
97	unsigned access: 8;	97	unsigned access: 8;
98	unsigned limit_16_19: 4;	98	unsigned limit_16_19: 4;
99	unsigned available: 1;	99	unsigned available: 1;
100	unsigned unused: 1;	100	unsigned unused: 1;
101	unsigned special: 1;	101	unsigned special: 1;
102	unsigned granularity : 1;	102	unsigned granularity : 1;
103	unsigned base_24_31: 8;	103	unsigned base_24_31: 8;
104	} __attribute__ ((packed));	104	} __attribute__ ((packed));
105	typedef struct descriptor descriptor_t;	105	typedef struct descriptor descriptor_t;
106		106
107	struct idescriptor {	107	struct idescriptor {
108	unsigned offset_0_15: 16;	108	unsigned offset_0_15: 16;
109	unsigned selector: 16;	109	unsigned selector: 16;
110	unsigned unused: 8;	110	unsigned unused: 8;
111	unsigned access: 8;	111	unsigned access: 8;
112	unsigned offset_16_31: 16;	112	unsigned offset_16_31: 16;
113	} __attribute__ ((packed));	113	} __attribute__ ((packed));
114	typedef struct idescriptor idescriptor_t;	114	typedef struct idescriptor idescriptor_t;
115		115
116	struct tss {	116	struct tss {
117	__u16 link;	117	uint16_t link;
118	unsigned : 16;	118	unsigned : 16;
119	__u32 esp0;	119	uint32_t esp0;
120	__u16 ss0;	120	uint16_t ss0;
121	unsigned : 16;	121	unsigned : 16;
122	__u32 esp1;	122	uint32_t esp1;
123	__u16 ss1;	123	uint16_t ss1;
124	unsigned : 16;	124	unsigned : 16;
125	__u32 esp2;	125	uint32_t esp2;
126	__u16 ss2;	126	uint16_t ss2;
127	unsigned : 16;	127	unsigned : 16;
128	__u32 cr3;	128	uint32_t cr3;
129	__u32 eip;	129	uint32_t eip;
130	__u32 eflags;	130	uint32_t eflags;
131	__u32 eax;	131	uint32_t eax;
132	__u32 ecx;	132	uint32_t ecx;
133	__u32 edx;	133	uint32_t edx;
134	__u32 ebx;	134	uint32_t ebx;
135	__u32 esp;	135	uint32_t esp;
136	__u32 ebp;	136	uint32_t ebp;
137	__u32 esi;	137	uint32_t esi;
138	__u32 edi;	138	uint32_t edi;
139	__u16 es;	139	uint16_t es;
140	unsigned : 16;	140	unsigned : 16;
141	__u16 cs;	141	uint16_t cs;
142	unsigned : 16;	142	unsigned : 16;
143	__u16 ss;	143	uint16_t ss;
144	unsigned : 16;	144	unsigned : 16;
145	__u16 ds;	145	uint16_t ds;
146	unsigned : 16;	146	unsigned : 16;
147	__u16 fs;	147	uint16_t fs;
148	unsigned : 16;	148	unsigned : 16;
149	__u16 gs;	149	uint16_t gs;
150	unsigned : 16;	150	unsigned : 16;
151	__u16 ldtr;	151	uint16_t ldtr;
152	unsigned : 16;	152	unsigned : 16;
153	unsigned : 16;	153	unsigned : 16;
154	__u16 iomap_base;	154	uint16_t iomap_base;
155	__u8 iomap[TSS_IOMAP_SIZE];	155	uint8_t iomap[TSS_IOMAP_SIZE];
156	} __attribute__ ((packed));	156	} __attribute__ ((packed));
157	typedef struct tss tss_t;	157	typedef struct tss tss_t;
158		158
159	extern ptr_16_32_t gdtr;	159	extern ptr_16_32_t gdtr;
160	extern ptr_16_32_t bootstrap_gdtr;	160	extern ptr_16_32_t bootstrap_gdtr;
161	extern ptr_16_32_t protected_ap_gdtr;	161	extern ptr_16_32_t protected_ap_gdtr;
162	extern struct tss *tss_p;	162	extern struct tss *tss_p;
163		163
164	extern descriptor_t gdt[];	164	extern descriptor_t gdt[];
165		165
166	extern void pm_init(void);	166	extern void pm_init(void);
167		167
168	extern void gdt_setbase(descriptor_t *d, __address base);	168	extern void gdt_setbase(descriptor_t *d, uintptr_t base);
169	extern void gdt_setlimit(descriptor_t *d, __u32 limit);	169	extern void gdt_setlimit(descriptor_t *d, uint32_t limit);
170		170
171	extern void idt_init(void);	171	extern void idt_init(void);
172	extern void idt_setoffset(idescriptor_t *d, __address offset);	172	extern void idt_setoffset(idescriptor_t *d, uintptr_t offset);
173		173
174	extern void tss_initialize(tss_t *t);	174	extern void tss_initialize(tss_t *t);
175	extern void set_tls_desc(__address tls);	175	extern void set_tls_desc(uintptr_t tls);
176		176
177	#endif /* __ASM__ */	177	#endif /* __ASM__ */
178		178
179	#endif	179	#endif
180		180
181	/** @}	181	/** @}
182	*/	182	*/
183		183
184		184

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(root)/kernel/trunk/arch/ia32/include/pm.h – Rev 1702 → 1780