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/* Copyright (c) 2010-2017, The Linux Foundation. All rights reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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#ifndef _BOOTLOADER_RECOVERY_H
#define _BOOTLOADER_RECOVERY_H
#define UPDATE_MAGIC "MSM-RADIO-UPDATE"
#define UPDATE_MAGIC_SIZE 16
#define UPDATE_VERSION 0x00010000
#define FFBM_MODE_BUF_SIZE 8
#define BOOTSELECT_SIGNATURE ('B' | ('S' << 8) | ('e' << 16) | ('l' << 24))
#define BOOTSELECT_VERSION 0x00010001
#define BOOTSELECT_FORMAT (1 << 31)
#define BOOTSELECT_FACTORY (1 << 30)
/* bootselect partition format structure */
struct boot_selection_info {
uint32_t signature; // Contains value BOOTSELECT_SIGNATURE defined above
uint32_t version;
uint32_t boot_partition_selection; // Decodes which partitions to boot: 0-Windows,1-Android
uint32_t state_info; // Contains factory and format bit as definded above
};
/* Recovery Message */
struct recovery_message {
char command[32];
char status[32];
char recovery[1024];
};
struct update_header {
unsigned char MAGIC[UPDATE_MAGIC_SIZE];
unsigned version;
unsigned size;
unsigned image_offset;
unsigned image_length;
unsigned bitmap_width;
unsigned bitmap_height;
unsigned bitmap_bpp;
unsigned busy_bitmap_offset;
unsigned busy_bitmap_length;
unsigned fail_bitmap_offset;
unsigned fail_bitmap_length;
};
int write_misc(unsigned page_offset, void *buf, unsigned size);
int get_recovery_message(struct recovery_message *out);
int set_recovery_message(const struct recovery_message *in);
int recovery_init (void);
/* This function will look for the ffbm cookie in the misc partition.
* Upon finding a valid cookie it will return 1 and place the cookie
* into ffbm.If it does not find a valid cookie it will return 0.If
* an error is hit it will return -1.If either of these return values
* is seen the data in ffbm should not be used and should be considered
* invalid.
*/
int get_ffbm(char *ffbm, unsigned size);
extern unsigned boot_into_recovery;
#endif