Bt2NvidiaWrapper.bt

//--------------------------------------
//--- 010 Editor v6.0beta1 Binary Template
//
// File:     Bt2NvidiaWrapper.bt
// Author:   Tim "diff" Strazzere
//             <diff@lookout.com>
//             <strazz@gmail.com>
// Revision: 0.5
// Purpose:  Quick template for "Bt2" files, which seems to be an Nvidia specific
//           format for "wrapped" things;
//            - modem.wrapped
//            - secondary_boot.wrapped
//
//           Not done - more to reverse
//--------------------------------------

typedef enum <uint> {
    UNKNOWN             = 0x0A14E91C,
    // Head of both modem and secondary
    NORMAL              = 0x1CE9140A,
    BT2_BOOTMAGIC       = 0x1CE8060A,
    // Found right before xml in seconardy_boot.wrapped
    BT2_TRAILER_MAGIC   = 0x1CEB72AB,
    MODEM               = 0x1CE70100
} magic <format=hex>;

//  0x20 bytes large according to reversing
typedef struct {
    // Likely magic bytes appears normally as;
    // 0x0A14E91C
    // Seems to be code to check for;
    //   0x1CE9140A
    //   0x1CEB72AB "trailer magic"
    magic tag <format=hex, comment="Magic bytes">;
    uint length <comment="Length of header">;
    uint file_size <comment="Size of content after header">;
    uint file_id;

    if(length - 0x10 > 0) {
        byte data[length - 0x10];
    }
} header;

typedef struct {
    magic tag <format=hex, comment="Magic bytes tag">;
    uint length <comment="Length of BT2 Trailer XML">;
    if(length > 0) {
        byte xml_data[length];
    }
} BT2Trailer;

typedef struct {
    header head;
    if(head.length + head.file_size != FileSize()) {
        Warning("File size does not seem correct according to header, expected %d but have %d", head.file_size, FileSize());
    }
    //byte data[head.file_size - head.length];
} archive;


archive archive_struct;