xref: /titanic_44/usr/src/uts/intel/sys/bootinfo.h (revision 1e4c938b57d1656808e4112127ff1dce3eba5314)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef	_SYS_BOOTINFO_H
28 #define	_SYS_BOOTINFO_H
29 
30 #ifdef	__cplusplus
31 extern "C" {
32 #endif
33 
34 /*
35  * The 32-bit kernel loader code needs to build several structures that the
36  * kernel is expecting. They will contain native sized pointers for the
37  * target kernel.
38  */
39 
40 #if defined(_BOOT_TARGET_amd64)
41 
42 typedef uint64_t native_ptr_t;
43 
44 #elif defined(_BOOT_TARGET_i386)
45 
46 typedef uint32_t native_ptr_t;
47 
48 #elif defined(_KERNEL)
49 
50 typedef void *native_ptr_t;
51 
52 #endif
53 
54 struct boot_memlist {
55 	uint64_t	addr;
56 	uint64_t	size;
57 	native_ptr_t	next;
58 	native_ptr_t	prev;
59 };
60 
61 /*
62  * The kernel needs to know how to find its modules.
63  */
64 struct boot_modules {
65 	native_ptr_t	bm_addr;
66 	uint32_t	bm_size;
67 	uint32_t	bm_padding;
68 };
69 
70 /*
71  *
72  */
73 #pragma pack(1)
74 struct xboot_info {
75 	uint64_t	bi_next_paddr;	/* next physical address not used */
76 	native_ptr_t	bi_next_vaddr;	/* next virtual address not used */
77 	native_ptr_t	bi_cmdline;
78 	native_ptr_t	bi_phys_install;
79 	native_ptr_t	bi_rsvdmem;
80 	native_ptr_t	bi_pcimem;
81 	native_ptr_t	bi_modules;
82 	uint32_t	bi_module_cnt;
83 	uint32_t	bi_use_largepage;	/* MMU uses large pages */
84 	uint32_t	bi_use_pae;	/* MMU uses PAE mode (8 byte PTES) */
85 	uint32_t	bi_use_nx;	/* MMU uses NX bit in PTEs */
86 	uint32_t	bi_use_pge;	/* MMU uses Page Global Enable */
87 	native_ptr_t	bi_pt_window;
88 	native_ptr_t	bi_pte_to_pt_window;
89 	native_ptr_t	bi_kseg_size;	/* size used for kernel nucleus pages */
90 	uint64_t	bi_top_page_table;
91 #if defined(__xpv)
92 	native_ptr_t	bi_xen_start_info;
93 	native_ptr_t	bi_shared_info;		/* VA for shared_info */
94 #else
95 	native_ptr_t	bi_mb_info;
96 #endif
97 };
98 #pragma pack()
99 
100 #ifdef	__cplusplus
101 }
102 #endif
103 
104 #endif	/* _SYS_BOOTINFO_H */
105