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.
 */
 
#ifndef __PM_H__
#define __PM_H__
 
#define IDT_ITEMS 64
#define GDT_ITEMS 8
 
#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 */
#define VESA_INIT_DES 7
 
#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 {
    __u16 limit;
    __u32 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 {
    __u16 link;
    unsigned : 16;
    __u32 esp0;
    __u16 ss0;
    unsigned : 16;
    __u32 esp1;
    __u16 ss1;
    unsigned : 16;
    __u32 esp2;
    __u16 ss2;
    unsigned : 16;
    __u32 cr3;
    __u32 eip;
    __u32 eflags;
    __u32 eax;
    __u32 ecx;
    __u32 edx;
    __u32 ebx;
    __u32 esp;
    __u32 ebp;
    __u32 esi;
    __u32 edi;
    __u16 es;
    unsigned : 16;
    __u16 cs;
    unsigned : 16;
    __u16 ss;
    unsigned : 16;
    __u16 ds;
    unsigned : 16;
    __u16 fs;
    unsigned : 16;
    __u16 gs;
    unsigned : 16;
    __u16 ldtr;
    unsigned : 16;
    unsigned : 16;
    __u16 iomap_base;
    __u8 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, __address base);
extern void gdt_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);
extern void set_tls_desc(__address tls);
 
#endif /* __ASM__ */
 
#endif
 

Rev 1203	Rev 1287
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 __PM_H__	29	#ifndef __PM_H__
30	#define __PM_H__	30	#define __PM_H__
31		31
32	#define IDT_ITEMS 64	32	#define IDT_ITEMS 64
33	#define GDT_ITEMS 7	33	#define GDT_ITEMS 8
-		34
-		35	#define VESA_INIT_SEGMENT 0x8000
34		36
35	#define NULL_DES 0	37	#define NULL_DES 0
36	#define KTEXT_DES 1	38	#define KTEXT_DES 1
37	#define KDATA_DES 2	39	#define KDATA_DES 2
38	#define UTEXT_DES 3	40	#define UTEXT_DES 3
39	#define UDATA_DES 4	41	#define UDATA_DES 4
40	#define TSS_DES 5	42	#define TSS_DES 5
41	#define TLS_DES 6 /* Pointer to Thread-Local-Storage data */	43	#define TLS_DES 6 /* Pointer to Thread-Local-Storage data */
-		44	#define VESA_INIT_DES 7
42		45
43	#define selector(des) ((des)<<3)	46	#define selector(des) ((des)<<3)
44		47
45	#define PL_KERNEL 0	48	#define PL_KERNEL 0
46	#define PL_USER 3	49	#define PL_USER 3
47		50
48	#define AR_PRESENT (1<<7)	51	#define AR_PRESENT (1<<7)
49	#define AR_DATA (2<<3)	52	#define AR_DATA (2<<3)
50	#define AR_CODE (3<<3)	53	#define AR_CODE (3<<3)
51	#define AR_WRITABLE (1<<1)	54	#define AR_WRITABLE (1<<1)
52	#define AR_INTERRUPT (0xe)	55	#define AR_INTERRUPT (0xe)
53	#define AR_TSS (0x9)	56	#define AR_TSS (0x9)
54		57
55	#define DPL_KERNEL (PL_KERNEL<<5)	58	#define DPL_KERNEL (PL_KERNEL<<5)
56	#define DPL_USER (PL_USER<<5)	59	#define DPL_USER (PL_USER<<5)
57		60
58	#define TSS_BASIC_SIZE 104	61	#define TSS_BASIC_SIZE 104
59	#define TSS_IOMAP_SIZE (161024+1) / 16K for bitmap + 1 terminating byte for convenience */	62	#define TSS_IOMAP_SIZE (161024+1) / 16K for bitmap + 1 terminating byte for convenience */
60		63
61	#define IO_PORTS (64*1024)	64	#define IO_PORTS (64*1024)
62		65
63	#ifndef __ASM__	66	#ifndef __ASM__
64		67
65	#include <arch/types.h>	68	#include <arch/types.h>
66	#include <typedefs.h>	69	#include <typedefs.h>
67	#include <arch/context.h>	70	#include <arch/context.h>
68		71
69	struct ptr_16_32 {	72	struct ptr_16_32 {
70	__u16 limit;	73	__u16 limit;
71	__u32 base;	74	__u32 base;
72	} __attribute__ ((packed));	75	} __attribute__ ((packed));
73	typedef struct ptr_16_32 ptr_16_32_t;	76	typedef struct ptr_16_32 ptr_16_32_t;
74		77
75	struct descriptor {	78	struct descriptor {
76	unsigned limit_0_15: 16;	79	unsigned limit_0_15: 16;
77	unsigned base_0_15: 16;	80	unsigned base_0_15: 16;
78	unsigned base_16_23: 8;	81	unsigned base_16_23: 8;
79	unsigned access: 8;	82	unsigned access: 8;
80	unsigned limit_16_19: 4;	83	unsigned limit_16_19: 4;
81	unsigned available: 1;	84	unsigned available: 1;
82	unsigned unused: 1;	85	unsigned unused: 1;
83	unsigned special: 1;	86	unsigned special: 1;
84	unsigned granularity : 1;	87	unsigned granularity : 1;
85	unsigned base_24_31: 8;	88	unsigned base_24_31: 8;
86	} __attribute__ ((packed));	89	} __attribute__ ((packed));
87	typedef struct descriptor descriptor_t;	90	typedef struct descriptor descriptor_t;
88		91
89	struct idescriptor {	92	struct idescriptor {
90	unsigned offset_0_15: 16;	93	unsigned offset_0_15: 16;
91	unsigned selector: 16;	94	unsigned selector: 16;
92	unsigned unused: 8;	95	unsigned unused: 8;
93	unsigned access: 8;	96	unsigned access: 8;
94	unsigned offset_16_31: 16;	97	unsigned offset_16_31: 16;
95	} __attribute__ ((packed));	98	} __attribute__ ((packed));
96	typedef struct idescriptor idescriptor_t;	99	typedef struct idescriptor idescriptor_t;
97		100
98	struct tss {	101	struct tss {
99	__u16 link;	102	__u16 link;
100	unsigned : 16;	103	unsigned : 16;
101	__u32 esp0;	104	__u32 esp0;
102	__u16 ss0;	105	__u16 ss0;
103	unsigned : 16;	106	unsigned : 16;
104	__u32 esp1;	107	__u32 esp1;
105	__u16 ss1;	108	__u16 ss1;
106	unsigned : 16;	109	unsigned : 16;
107	__u32 esp2;	110	__u32 esp2;
108	__u16 ss2;	111	__u16 ss2;
109	unsigned : 16;	112	unsigned : 16;
110	__u32 cr3;	113	__u32 cr3;
111	__u32 eip;	114	__u32 eip;
112	__u32 eflags;	115	__u32 eflags;
113	__u32 eax;	116	__u32 eax;
114	__u32 ecx;	117	__u32 ecx;
115	__u32 edx;	118	__u32 edx;
116	__u32 ebx;	119	__u32 ebx;
117	__u32 esp;	120	__u32 esp;
118	__u32 ebp;	121	__u32 ebp;
119	__u32 esi;	122	__u32 esi;
120	__u32 edi;	123	__u32 edi;
121	__u16 es;	124	__u16 es;
122	unsigned : 16;	125	unsigned : 16;
123	__u16 cs;	126	__u16 cs;
124	unsigned : 16;	127	unsigned : 16;
125	__u16 ss;	128	__u16 ss;
126	unsigned : 16;	129	unsigned : 16;
127	__u16 ds;	130	__u16 ds;
128	unsigned : 16;	131	unsigned : 16;
129	__u16 fs;	132	__u16 fs;
130	unsigned : 16;	133	unsigned : 16;
131	__u16 gs;	134	__u16 gs;
132	unsigned : 16;	135	unsigned : 16;
133	__u16 ldtr;	136	__u16 ldtr;
134	unsigned : 16;	137	unsigned : 16;
135	unsigned : 16;	138	unsigned : 16;
136	__u16 iomap_base;	139	__u16 iomap_base;
137	__u8 iomap[TSS_IOMAP_SIZE];	140	__u8 iomap[TSS_IOMAP_SIZE];
138	} __attribute__ ((packed));	141	} __attribute__ ((packed));
139	typedef struct tss tss_t;	142	typedef struct tss tss_t;
140		143
141	extern ptr_16_32_t gdtr;	144	extern ptr_16_32_t gdtr;
142	extern ptr_16_32_t bootstrap_gdtr;	145	extern ptr_16_32_t bootstrap_gdtr;
143	extern ptr_16_32_t protected_ap_gdtr;	146	extern ptr_16_32_t protected_ap_gdtr;
144	extern struct tss *tss_p;	147	extern struct tss *tss_p;
145		148
146	extern descriptor_t gdt[];	149	extern descriptor_t gdt[];
147		150
148	extern void pm_init(void);	151	extern void pm_init(void);
149		152
150	extern void gdt_setbase(descriptor_t *d, __address base);	153	extern void gdt_setbase(descriptor_t *d, __address base);
151	extern void gdt_setlimit(descriptor_t *d, __u32 limit);	154	extern void gdt_setlimit(descriptor_t *d, __u32 limit);
152		155
153	extern void idt_init(void);	156	extern void idt_init(void);
154	extern void idt_setoffset(idescriptor_t *d, __address offset);	157	extern void idt_setoffset(idescriptor_t *d, __address offset);
155		158
156	extern void tss_initialize(tss_t *t);	159	extern void tss_initialize(tss_t *t);
157	extern void set_tls_desc(__address tls);	160	extern void set_tls_desc(__address tls);
158		161
159	#endif /* __ASM__ */	162	#endif /* __ASM__ */
160		163
161	#endif	164	#endif
162		165

Subversion Repositories HelenOS-historic

(root)/kernel/trunk/arch/ia32/include/pm.h @ 1203 – Rev 1203 → 1287