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 /*
28 * Copyright 2020 Joyent, Inc.
29 */
30
31 #ifndef _SYS_BOOTINFO_H
32 #define _SYS_BOOTINFO_H
33
34 #ifdef __cplusplus
35 extern "C" {
36 #endif
37
38 /*
39 * This is used by bootfs and dboot. It should be at least as large as the
40 * number of modules that bootloaders (e.g., grub) can support. This figure
41 * has been chosen to match grub's value exactly.
42 */
43 #define MAX_BOOT_MODULES 99
44
45 /*
46 * The 32-bit kernel loader code needs to build several structures that the
47 * kernel is expecting. They will contain native sized pointers for the
48 * target kernel.
49 */
50
51 #if defined(_BOOT_TARGET_amd64)
52
53 typedef uint64_t native_ptr_t;
54
55 #elif defined(_BOOT_TARGET_i386)
56
57 typedef uint32_t native_ptr_t;
58
59 #elif defined(_KERNEL)
60
61 typedef void *native_ptr_t;
62
63 #endif
64
65 typedef enum boot_module_type {
66 BMT_ROOTFS,
67 BMT_FILE,
68 BMT_HASH,
69 BMT_ENV,
70 BMT_FONT
71 } boot_module_type_t;
72
73 struct boot_memlist {
74 uint64_t addr;
75 uint64_t size;
76 native_ptr_t next;
77 native_ptr_t prev;
78 };
79
80 /*
81 * The kernel needs to know how to find its modules.
82 */
83 struct boot_modules {
84 native_ptr_t bm_addr;
85 native_ptr_t bm_name;
86 native_ptr_t bm_hash;
87 uint32_t bm_size;
88 boot_module_type_t bm_type;
89 };
90
91 /* To help to identify UEFI system. */
92 typedef enum uefi_arch_type {
93 XBI_UEFI_ARCH_NONE,
94 XBI_UEFI_ARCH_32,
95 XBI_UEFI_ARCH_64
96 } uefi_arch_type_t;
97 /*
98 *
99 */
100 #pragma pack(1)
101 struct xboot_info {
102 uint64_t bi_next_paddr; /* next physical address not used */
103 native_ptr_t bi_next_vaddr; /* next virtual address not used */
104 native_ptr_t bi_cmdline;
105 native_ptr_t bi_phys_install;
106 native_ptr_t bi_rsvdmem;
107 native_ptr_t bi_pcimem;
108 native_ptr_t bi_modules;
109 uint32_t bi_module_cnt;
110 uint32_t bi_use_largepage; /* MMU uses large pages */
111 uint32_t bi_use_pae; /* MMU uses PAE mode (8 byte PTES) */
112 uint32_t bi_use_nx; /* MMU uses NX bit in PTEs */
113 uint32_t bi_use_pge; /* MMU uses Page Global Enable */
114 native_ptr_t bi_pt_window;
115 native_ptr_t bi_pte_to_pt_window;
116 native_ptr_t bi_kseg_size; /* size used for kernel nucleus pages */
117 uint64_t bi_top_page_table;
118 #if defined(__xpv)
119 native_ptr_t bi_xen_start_info;
120 native_ptr_t bi_shared_info; /* VA for shared_info */
121 #else
122 native_ptr_t bi_mb_info; /* multiboot 1 or 2 info */
123 int bi_mb_version; /* multiboot version */
124 native_ptr_t bi_acpi_rsdp;
125 native_ptr_t bi_acpi_rsdp_copy;
126 native_ptr_t bi_smbios;
127 native_ptr_t bi_uefi_systab;
128 uefi_arch_type_t bi_uefi_arch;
129 #endif
130 native_ptr_t bi_framebuffer;
131 };
132 #pragma pack()
133
134 #ifdef __cplusplus
135 }
136 #endif
137
138 #endif /* _SYS_BOOTINFO_H */