/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_BOOTINFO_H
#define _SYS_BOOTINFO_H
#ifdef __cplusplus
extern "C" {
#endif
/*
* This is used by bootfs and dboot. It should be at least as large as the
* number of modules that bootloaders (e.g., grub) can support. This figure
* has been chosen to match grub's value exactly.
*/
#define MAX_BOOT_MODULES 99
/*
* The 32-bit kernel loader code needs to build several structures that the
* kernel is expecting. They will contain native sized pointers for the
* target kernel.
*/
#if defined(_BOOT_TARGET_amd64)
typedef uint64_t native_ptr_t;
#elif defined(_BOOT_TARGET_i386)
typedef uint32_t native_ptr_t;
#elif defined(_KERNEL)
typedef void *native_ptr_t;
#endif
typedef enum boot_module_type {
BMT_ROOTFS,
BMT_FILE,
BMT_HASH
} boot_module_type_t;
struct boot_memlist {
uint64_t addr;
uint64_t size;
native_ptr_t next;
native_ptr_t prev;
};
/*
* The kernel needs to know how to find its modules.
*/
struct boot_modules {
native_ptr_t bm_addr;
native_ptr_t bm_name;
native_ptr_t bm_hash;
uint32_t bm_size;
boot_module_type_t bm_type;
};
/*
*
*/
#pragma pack(1)
struct xboot_info {
uint64_t bi_next_paddr; /* next physical address not used */
native_ptr_t bi_next_vaddr; /* next virtual address not used */
native_ptr_t bi_cmdline;
native_ptr_t bi_phys_install;
native_ptr_t bi_rsvdmem;
native_ptr_t bi_pcimem;
native_ptr_t bi_modules;
uint32_t bi_module_cnt;
uint32_t bi_use_largepage; /* MMU uses large pages */
uint32_t bi_use_pae; /* MMU uses PAE mode (8 byte PTES) */
uint32_t bi_use_nx; /* MMU uses NX bit in PTEs */
uint32_t bi_use_pge; /* MMU uses Page Global Enable */
native_ptr_t bi_pt_window;
native_ptr_t bi_pte_to_pt_window;
native_ptr_t bi_kseg_size; /* size used for kernel nucleus pages */
uint64_t bi_top_page_table;
#if defined(__xpv)
native_ptr_t bi_xen_start_info;
native_ptr_t bi_shared_info; /* VA for shared_info */
#else
native_ptr_t bi_mb_info;
#endif
};
#pragma pack()
#ifdef __cplusplus
}
#endif
#endif /* _SYS_BOOTINFO_H */