148 lines
4.2 KiB
C
148 lines
4.2 KiB
C
/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2009 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef GRUB_CPU_XNU_H
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#define GRUB_CPU_XNU_H 1
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#include <grub/err.h>
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#include <grub/efi/api.h>
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#include <grub/cpu/relocator.h>
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#define XNU_RELOCATOR(x) (grub_relocator32_ ## x)
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#define GRUB_XNU_PAGESIZE 4096
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typedef grub_uint32_t grub_xnu_ptr_t;
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struct grub_xnu_boot_params_common
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{
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/* Command line passed to xnu. */
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grub_uint8_t cmdline[1024];
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/* Later are the same as EFI's get_memory_map (). */
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grub_xnu_ptr_t efi_mmap;
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grub_uint32_t efi_mmap_size;
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grub_uint32_t efi_mem_desc_size;
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grub_uint32_t efi_mem_desc_version;
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/* Later are video parameters. */
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grub_xnu_ptr_t lfb_base;
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#define GRUB_XNU_VIDEO_SPLASH 1
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#define GRUB_XNU_VIDEO_TEXT_IN_VIDEO 2
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grub_uint32_t lfb_mode;
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grub_uint32_t lfb_line_len;
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grub_uint32_t lfb_width;
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grub_uint32_t lfb_height;
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grub_uint32_t lfb_depth;
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/* Pointer to device tree and its len. */
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grub_xnu_ptr_t devtree;
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grub_uint32_t devtreelen;
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/* First used address by kernel or boot structures. */
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grub_xnu_ptr_t heap_start;
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/* Last used address by kernel or boot structures minus previous value. */
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grub_uint32_t heap_size;
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/* First memory page containing runtime code or data. */
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grub_uint32_t efi_runtime_first_page;
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/* First memory page containing runtime code or data minus previous value. */
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grub_uint32_t efi_runtime_npages;
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} GRUB_PACKED;
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struct grub_xnu_boot_params_v1
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{
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grub_uint16_t verminor;
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grub_uint16_t vermajor;
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struct grub_xnu_boot_params_common common;
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grub_uint32_t efi_system_table;
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/* Size of grub_efi_uintn_t in bits. */
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grub_uint8_t efi_uintnbits;
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} GRUB_PACKED;
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#define GRUB_XNU_BOOTARGSV1_VERMINOR 5
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#define GRUB_XNU_BOOTARGSV1_VERMAJOR 1
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struct grub_xnu_boot_params_v2
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{
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grub_uint16_t verminor;
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grub_uint16_t vermajor;
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/* Size of grub_efi_uintn_t in bits. */
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grub_uint8_t efi_uintnbits;
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grub_uint8_t unused[3];
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struct grub_xnu_boot_params_common common;
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grub_uint64_t efi_runtime_first_page_virtual;
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grub_uint32_t efi_system_table;
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grub_uint32_t unused2[11];
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grub_uint64_t fsbfreq;
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grub_uint32_t unused3[734];
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} GRUB_PACKED;
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#define GRUB_XNU_BOOTARGSV2_VERMINOR 0
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#define GRUB_XNU_BOOTARGSV2_VERMAJOR 2
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union grub_xnu_boot_params_any
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{
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struct grub_xnu_boot_params_v1 v1;
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struct grub_xnu_boot_params_v2 v2;
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};
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struct grub_xnu_devprop_header
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{
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grub_uint32_t length;
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/* Always set to 1. Version? */
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grub_uint32_t alwaysone;
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grub_uint32_t num_devices;
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};
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struct grub_xnu_devprop_device_header
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{
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grub_uint32_t length;
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grub_uint32_t num_values;
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};
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void grub_cpu_xnu_unload (void);
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struct grub_xnu_devprop_device_descriptor;
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struct grub_xnu_devprop_device_descriptor *
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grub_xnu_devprop_add_device (struct grub_efi_device_path *path, int length);
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grub_err_t
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grub_xnu_devprop_remove_device (struct grub_xnu_devprop_device_descriptor *dev);
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grub_err_t
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grub_xnu_devprop_remove_property (struct grub_xnu_devprop_device_descriptor *dev,
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char *name);
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grub_err_t
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grub_xnu_devprop_add_property_utf8 (struct grub_xnu_devprop_device_descriptor *dev,
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char *name, void *data, int datalen);
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grub_err_t
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grub_xnu_devprop_add_property_utf16 (struct grub_xnu_devprop_device_descriptor *dev,
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grub_uint16_t *name, int namelen,
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void *data, int datalen);
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grub_err_t
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grub_xnu_devprop_remove_property_utf8 (struct grub_xnu_devprop_device_descriptor *dev,
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char *name);
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void grub_cpu_xnu_init (void);
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void grub_cpu_xnu_fini (void);
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extern grub_uint32_t grub_xnu_entry_point;
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extern grub_uint32_t grub_xnu_stack;
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extern grub_uint32_t grub_xnu_arg1;
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extern char grub_xnu_cmdline[1024];
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grub_err_t grub_xnu_boot (void);
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#endif
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