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/* linux.h - ARM linux specific definitions */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2013 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_ARM_LINUX_HEADER
#define GRUB_ARM_LINUX_HEADER 1
#include "system.h"
#define GRUB_LINUX_ARM_MAGIC_SIGNATURE 0x016f2818
struct linux_arm_kernel_header {
grub_uint32_t code0;
grub_uint32_t reserved1[8];
grub_uint32_t magic;
grub_uint32_t start; /* _start */
grub_uint32_t end; /* _edata */
grub_uint32_t reserved2[3];
grub_uint32_t hdr_offset;
};
#if defined(__arm__)
# define GRUB_LINUX_ARMXX_MAGIC_SIGNATURE GRUB_LINUX_ARM_MAGIC_SIGNATURE
# define linux_arch_kernel_header linux_arm_kernel_header
#endif
#if defined GRUB_MACHINE_UBOOT
# include <grub/uboot/uboot.h>
# define LINUX_ADDRESS (start_of_ram + 0x8000)
# define LINUX_INITRD_ADDRESS (start_of_ram + 0x03000000)
# define LINUX_FDT_ADDRESS (LINUX_INITRD_ADDRESS - 0x10000)
# define grub_arm_firmware_get_boot_data grub_uboot_get_boot_data
# define grub_arm_firmware_get_machine_type grub_uboot_get_machine_type
#elif defined (GRUB_MACHINE_COREBOOT)
#include <grub/fdtbus.h>
#include <grub/arm/coreboot/kernel.h>
# define LINUX_ADDRESS (start_of_ram + 0x8000)
# define LINUX_INITRD_ADDRESS (start_of_ram + 0x03000000)
# define LINUX_FDT_ADDRESS (LINUX_INITRD_ADDRESS - 0x10000)
static inline const void *
grub_arm_firmware_get_boot_data (void)
{
return grub_fdtbus_get_fdt ();
}
static inline grub_uint32_t
grub_arm_firmware_get_machine_type (void)
{
return GRUB_ARM_MACHINE_TYPE_FDT;
}
#endif
#endif /* ! GRUB_ARM_LINUX_HEADER */
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