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https://github.com/topjohnwu/Magisk.git
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78 lines
2.0 KiB
C
78 lines
2.0 KiB
C
#ifndef _MAGISKBOOT_H_
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#define _MAGISKBOOT_H_
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/sendfile.h>
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#include <sys/mman.h>
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#include <fcntl.h>
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#include <string.h>
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#include "bootimg.h"
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#define windowBits 15
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#define ZLIB_GZIP 16
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#define memLevel 8
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#define CHUNK 0x40000
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#define LZ4_HEADER_SIZE 19
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#define LZ4_FOOTER_SIZE 4
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#define CHROMEOS_MAGIC "CHROMEOS"
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#define CHROMEOS_MAGIC_SIZE 8
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#define KERNEL_FILE "kernel"
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#define RAMDISK_FILE "ramdisk.cpio"
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#define SECOND_FILE "second"
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#define DTB_FILE "dtb"
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typedef enum {
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UNKNOWN,
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CHROMEOS,
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AOSP,
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ELF,
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GZIP,
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LZOP,
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XZ,
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LZMA,
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BZIP2,
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LZ4,
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MTK,
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QCDT,
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} file_t;
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// Global variables
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extern unsigned char *kernel, *ramdisk, *second, *dtb;
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extern boot_img_hdr hdr;
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extern file_t boot_type, ramdisk_type, dtb_type;
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extern int mtk_kernel, mtk_ramdisk;
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// Main entries
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void unpack(const char *image);
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void repack(const char *image);
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void hexpatch(const char *image, const char *from, const char *to);
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void cpio(const char *filename);
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void error(int rc, const char *msg, ...);
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void parse_img(unsigned char *orig, size_t size);
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// Compressions
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void gzip(int mode, const char* filename, const unsigned char* buf, size_t size);
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void lzma(int mode, const char* filename, const unsigned char* buf, size_t size);
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void lz4(int mode, const char* filename, const unsigned char* buf, size_t size);
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void bzip2(int mode, const char* filename, const unsigned char* buf, size_t size);
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int comp(file_t type, const char *to, const unsigned char *from, size_t size);
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int decomp(file_t type, const char *to, const unsigned char *from, size_t size);
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// Utils
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void mmap_ro(const char *filename, unsigned char **buf, size_t *size);
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void mmap_rw(const char *filename, unsigned char **buf, size_t *size);
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file_t check_type(const unsigned char *buf);
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void mem_align(size_t *pos, size_t align);
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void file_align(int fd, size_t align);
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int open_new(const char *filename);
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#endif
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