/*
 * 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.
 */

/*
 * Copyright 2020 Joyent, Inc.
 */

#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,
        BMT_ENV,
        BMT_FONT
} 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;
};

/* To help to identify UEFI system. */
typedef enum uefi_arch_type {
        XBI_UEFI_ARCH_NONE,
        XBI_UEFI_ARCH_32,
        XBI_UEFI_ARCH_64
} uefi_arch_type_t;
/*
 *
 */
#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;             /* multiboot 1 or 2 info */
        int             bi_mb_version;          /* multiboot version */
        native_ptr_t    bi_acpi_rsdp;
        native_ptr_t    bi_acpi_rsdp_copy;
        native_ptr_t    bi_smbios;
        native_ptr_t    bi_uefi_systab;
        uefi_arch_type_t bi_uefi_arch;
#endif
        native_ptr_t    bi_framebuffer;
};
#pragma pack()

#ifdef  __cplusplus
}
#endif

#endif  /* _SYS_BOOTINFO_H */