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 /* 87 * 88 */ 89 #pragma pack(1) 90 struct xboot_info { 91 uint64_t bi_next_paddr; /* next physical address not used */ 92 native_ptr_t bi_next_vaddr; /* next virtual address not used */ 93 native_ptr_t bi_cmdline; 94 native_ptr_t bi_phys_install; 95 native_ptr_t bi_rsvdmem; 96 native_ptr_t bi_pcimem; 97 native_ptr_t bi_modules; 98 uint32_t bi_module_cnt; 99 uint32_t bi_use_largepage; /* MMU uses large pages */ 100 uint32_t bi_use_pae; /* MMU uses PAE mode (8 byte PTES) */ 101 uint32_t bi_use_nx; /* MMU uses NX bit in PTEs */ 102 uint32_t bi_use_pge; /* MMU uses Page Global Enable */ 103 native_ptr_t bi_pt_window; 104 native_ptr_t bi_pte_to_pt_window; 105 native_ptr_t bi_kseg_size; /* size used for kernel nucleus pages */ 106 uint64_t bi_top_page_table; 107 #if defined(__xpv) 108 native_ptr_t bi_xen_start_info; 109 native_ptr_t bi_shared_info; /* VA for shared_info */ 110 #else 111 native_ptr_t bi_mb_info; /* multiboot 1 or 2 info */ 112 int bi_mb_version; /* multiboot version */ 113 native_ptr_t bi_acpi_rsdp; 114 #endif 115 }; 116 #pragma pack() 117 118 #ifdef __cplusplus 119 } 120 #endif 121 122 #endif /* _SYS_BOOTINFO_H */ 123