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 */ 139