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/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2009 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef GRUB_CPU_XNU_H
#define GRUB_CPU_XNU_H 1
#include <grub/err.h>
#include <grub/efi/api.h>
#include <grub/cpu/relocator.h>
#define XNU_RELOCATOR(x) (grub_relocator32_ ## x)
#define GRUB_XNU_PAGESIZE 4096
typedef grub_uint32_t grub_xnu_ptr_t;
struct grub_xnu_boot_params_common
{
/* Command line passed to xnu. */
grub_uint8_t cmdline[1024];
/* Later are the same as EFI's get_memory_map (). */
grub_xnu_ptr_t efi_mmap;
grub_uint32_t efi_mmap_size;
grub_uint32_t efi_mem_desc_size;
grub_uint32_t efi_mem_desc_version;
/* Later are video parameters. */
grub_xnu_ptr_t lfb_base;
#define GRUB_XNU_VIDEO_SPLASH 1
#define GRUB_XNU_VIDEO_TEXT_IN_VIDEO 2
grub_uint32_t lfb_mode;
grub_uint32_t lfb_line_len;
grub_uint32_t lfb_width;
grub_uint32_t lfb_height;
grub_uint32_t lfb_depth;
/* Pointer to device tree and its len. */
grub_xnu_ptr_t devtree;
grub_uint32_t devtreelen;
/* First used address by kernel or boot structures. */
grub_xnu_ptr_t heap_start;
/* Last used address by kernel or boot structures minus previous value. */
grub_uint32_t heap_size;
/* First memory page containing runtime code or data. */
grub_uint32_t efi_runtime_first_page;
/* First memory page containing runtime code or data minus previous value. */
grub_uint32_t efi_runtime_npages;
} GRUB_PACKED;
struct grub_xnu_boot_params_v1
{
grub_uint16_t verminor;
grub_uint16_t vermajor;
struct grub_xnu_boot_params_common common;
grub_uint32_t efi_system_table;
/* Size of grub_efi_uintn_t in bits. */
grub_uint8_t efi_uintnbits;
} GRUB_PACKED;
#define GRUB_XNU_BOOTARGSV1_VERMINOR 5
#define GRUB_XNU_BOOTARGSV1_VERMAJOR 1
struct grub_xnu_boot_params_v2
{
grub_uint16_t verminor;
grub_uint16_t vermajor;
/* Size of grub_efi_uintn_t in bits. */
grub_uint8_t efi_uintnbits;
grub_uint8_t unused[3];
struct grub_xnu_boot_params_common common;
grub_uint64_t efi_runtime_first_page_virtual;
grub_uint32_t efi_system_table;
grub_uint32_t unused2[9];
grub_uint64_t ram_size;
grub_uint64_t fsbfreq;
grub_uint32_t unused3[734];
} GRUB_PACKED;
#define GRUB_XNU_BOOTARGSV2_VERMINOR 0
#define GRUB_XNU_BOOTARGSV2_VERMAJOR 2
union grub_xnu_boot_params_any
{
struct grub_xnu_boot_params_v1 v1;
struct grub_xnu_boot_params_v2 v2;
};
struct grub_xnu_devprop_header
{
grub_uint32_t length;
/* Always set to 1. Version? */
grub_uint32_t alwaysone;
grub_uint32_t num_devices;
};
struct grub_xnu_devprop_device_header
{
grub_uint32_t length;
grub_uint32_t num_values;
};
void grub_cpu_xnu_unload (void);
struct grub_xnu_devprop_device_descriptor;
struct grub_xnu_devprop_device_descriptor *
grub_xnu_devprop_add_device (struct grub_efi_device_path *path, int length);
grub_err_t
grub_xnu_devprop_remove_device (struct grub_xnu_devprop_device_descriptor *dev);
grub_err_t
grub_xnu_devprop_remove_property (struct grub_xnu_devprop_device_descriptor *dev,
char *name);
grub_err_t
grub_xnu_devprop_add_property_utf8 (struct grub_xnu_devprop_device_descriptor *dev,
char *name, void *data, int datalen);
grub_err_t
grub_xnu_devprop_add_property_utf16 (struct grub_xnu_devprop_device_descriptor *dev,
grub_uint16_t *name, int namelen,
void *data, int datalen);
grub_err_t
grub_xnu_devprop_remove_property_utf8 (struct grub_xnu_devprop_device_descriptor *dev,
char *name);
void grub_cpu_xnu_init (void);
void grub_cpu_xnu_fini (void);
extern grub_uint32_t grub_xnu_entry_point;
extern grub_uint32_t grub_xnu_stack;
extern grub_uint32_t grub_xnu_arg1;
extern char grub_xnu_cmdline[1024];
grub_err_t grub_xnu_boot (void);
#endif
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