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 * This is used by bootfs and dboot. It should be at least as large as the
36 * number of modules that bootloaders (e.g., grub) can support. This figure
37 * has been chosen to match grub's value exactly.
38 */
39 #define MAX_BOOT_MODULES 99
40
41 /*
42 * The 32-bit kernel loader code needs to build several structures that the
43 * kernel is expecting. They will contain native sized pointers for the
44 * target kernel.
45 */
46
47 #if defined(_BOOT_TARGET_amd64)
48
49 typedef uint64_t native_ptr_t;
50
51 #elif defined(_BOOT_TARGET_i386)
52
53 typedef uint32_t native_ptr_t;
54
55 #elif defined(_KERNEL)
56
57 typedef void *native_ptr_t;
58
59 #endif
60
61 typedef enum boot_module_type {
62 BMT_ROOTFS,
63 BMT_FILE,
64 BMT_HASH,
65 BMT_ENV
66 } boot_module_type_t;
67
68 struct boot_memlist {
69 uint64_t addr;
70 uint64_t size;
71 native_ptr_t next;
72 native_ptr_t prev;
73 };
74
75 /*
76 * The kernel needs to know how to find its modules.
77 */
78 struct boot_modules {
79 native_ptr_t bm_addr;
80 native_ptr_t bm_name;
81 native_ptr_t bm_hash;
82 uint32_t bm_size;
83 boot_module_type_t bm_type;
84 };
85
86 /* To help to identify UEFI system. */
87 typedef enum uefi_arch_type {
88 XBI_UEFI_ARCH_NONE,
89 XBI_UEFI_ARCH_32,
90 XBI_UEFI_ARCH_64
91 } uefi_arch_type_t;
92 /*
93 *
94 */
95 #pragma pack(1)
96 struct xboot_info {
97 uint64_t bi_next_paddr; /* next physical address not used */
98 native_ptr_t bi_next_vaddr; /* next virtual address not used */
99 native_ptr_t bi_cmdline;
100 native_ptr_t bi_phys_install;
101 native_ptr_t bi_rsvdmem;
102 native_ptr_t bi_pcimem;
103 native_ptr_t bi_modules;
104 uint32_t bi_module_cnt;
105 uint32_t bi_use_largepage; /* MMU uses large pages */
106 uint32_t bi_use_pae; /* MMU uses PAE mode (8 byte PTES) */
107 uint32_t bi_use_nx; /* MMU uses NX bit in PTEs */
108 uint32_t bi_use_pge; /* MMU uses Page Global Enable */
109 native_ptr_t bi_pt_window;
110 native_ptr_t bi_pte_to_pt_window;
111 native_ptr_t bi_kseg_size; /* size used for kernel nucleus pages */
112 uint64_t bi_top_page_table;
113 #if defined(__xpv)
114 native_ptr_t bi_xen_start_info;
115 native_ptr_t bi_shared_info; /* VA for shared_info */
116 #else
117 native_ptr_t bi_mb_info; /* multiboot 1 or 2 info */
118 int bi_mb_version; /* multiboot version */
119 native_ptr_t bi_acpi_rsdp;
120 native_ptr_t bi_smbios;
121 native_ptr_t bi_uefi_systab;
122 uefi_arch_type_t bi_uefi_arch;
123 #endif
124 native_ptr_t bi_framebuffer;
125 };
126 #pragma pack()
127
128 #ifdef __cplusplus
129 }
130 #endif
131
132 #endif /* _SYS_BOOTINFO_H */