Small native code reorganization

native/jni/magiskboot/format.hpp

@@ -0,0 +1,68 @@
+#pragma once
+
+#include <map>
+#include <string_view>
+
+typedef enum {
+	UNKNOWN,
+/* Boot formats */
+	CHROMEOS,
+	AOSP,
+	DHTB,
+	BLOB,
+/* Compression formats */
+	GZIP,
+	XZ,
+	LZMA,
+	BZIP2,
+	LZ4,
+	LZ4_LEGACY,
+/* Unsupported compression */
+	LZOP,
+/* Misc */
+	MTK,
+	DTB,
+} format_t;
+
+#define COMPRESSED(fmt)  ((fmt) >= GZIP && (fmt) <= LZ4_LEGACY)
+#define COMPRESSED_ANY(fmt)  ((fmt) >= GZIP && (fmt) <= LZOP)
+
+#define BOOT_MAGIC      "ANDROID!"
+#define CHROMEOS_MAGIC  "CHROMEOS"
+#define GZIP1_MAGIC     "\x1f\x8b"
+#define GZIP2_MAGIC     "\x1f\x9e"
+#define LZOP_MAGIC      "\x89""LZO"
+#define XZ_MAGIC        "\xfd""7zXZ"
+#define BZIP_MAGIC      "BZh"
+#define LZ4_LEG_MAGIC   "\x02\x21\x4c\x18"
+#define LZ41_MAGIC      "\x03\x21\x4c\x18"
+#define LZ42_MAGIC      "\x04\x22\x4d\x18"
+#define MTK_MAGIC       "\x88\x16\x88\x58"
+#define LG_BUMP_MAGIC   "\x41\xa9\xe4\x67\x74\x4d\x1d\x1b\xa4\x29\xf2\xec\xea\x65\x52\x79"
+#define DHTB_MAGIC      "\x44\x48\x54\x42\x01\x00\x00\x00"
+#define SEANDROID_MAGIC "SEANDROIDENFORCE"
+#define TEGRABLOB_MAGIC "-SIGNED-BY-SIGNBLOB-"
+#define NOOKHD_RL_MAGIC "Red Loader"
+#define NOOKHD_GL_MAGIC "Green Loader"
+#define NOOKHD_GR_MAGIC "Green Recovery"
+#define NOOKHD_EB_MAGIC "eMMC boot.img+secondloader"
+#define NOOKHD_ER_MAGIC "eMMC recovery.img+secondloader"
+#define NOOKHD_PRE_HEADER_SZ 1048576
+#define ACCLAIM_MAGIC   "BauwksBoot"
+#define ACCLAIM_PRE_HEADER_SZ 262144
+
+class Fmt2Name {
+public:
+	const char *operator[](format_t fmt);
+};
+
+class Fmt2Ext {
+public:
+	const char *operator[](format_t fmt);
+};
+
+format_t check_fmt(const void *buf, size_t len);
+
+extern std::map<std::string_view, format_t> name2fmt;
+extern Fmt2Name fmt2name;
+extern Fmt2Ext fmt2ext;