79 lines
2 KiB
C
79 lines
2 KiB
C
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/*
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* Copyright 2013 Google Inc.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program 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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#ifndef __BOOT_FIT_H__
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#define __BOOT_FIT_H__
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#include <stddef.h>
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#include <stdint.h>
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#include "base/device_tree.h"
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#include "base/list.h"
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typedef enum CompressionType
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{
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CompressionInvalid,
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CompressionNone,
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CompressionLzma,
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CompressionLz4,
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} CompressionType;
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typedef struct FitImageNode
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{
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const char *name;
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void *data;
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uint32_t size;
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CompressionType compression;
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ListNode list_node;
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} FitImageNode;
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typedef struct FitConfigNode
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{
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const char *name;
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const char *kernel;
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FitImageNode *kernel_node;
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const char *fdt;
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FitImageNode *fdt_node;
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const char *ramdisk;
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FitImageNode *ramdisk_node;
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FdtProperty compat;
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int compat_rank;
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int compat_pos;
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ListNode list_node;
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} FitConfigNode;
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/*
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* Unpack a FIT image into memory, choosing the right configuration through the
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* compatible string set by fit_add_compat() and unflattening the corresponding
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* kernel device tree.
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*/
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FitImageNode *fit_load(void *fit, char *cmd_line, DeviceTree **dt);
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/*
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* Add a compatible string for the preferred kernel DT to the list for this
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* platform. This should be called before the first fit_load() so it will be
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* ranked as a better match than the default compatible strings. |compat| must
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* stay accessible throughout depthcharge's runtime (i.e. not stack-allocated)!
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*/
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void fit_add_compat(const char *compat);
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void fit_add_ramdisk(DeviceTree *tree, void *ramdisk_addr, size_t ramdisk_size);
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#endif /* __BOOT_FIT_H__ */
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