Boot Descriptor format
BP | 大きさ | 型 | 名称 | 内容 |
0 | 1 | unsigned char | Structure Type | =0 |
1〜5 | 5 | char[5] | Standard Identifier | ="BOOT2" |
6 | 1 | unsigned char | Structure Version | =1 |
7 | 1 | unsigned char | Reserved | =0 |
8〜39 | 32 | regid | Architecture Type | 形式 |
40〜71 | 32 | regid | Boot Identifier | 起動ID |
72〜75 | 4 | unsigned long | Boot Extent Location | 起動情報のアドレス |
76〜79 | 4 | unsigned long | Boot Extent Length | 起動情報の大きさ[bytes] |
80〜87 | 8 | unsigned int64 | Load Address | ブート情報をコピーするメモリアドレス |
88〜95 | 8 | unsigned int64 | Start Address | 制御を開始するメモリアドレス |
96〜107 | 12 | timestamp | Descriptor Creation Date and Time | 記録日時 |
108〜109 | 2 | unsigned short | Flags | フラグ bit 0 : 0なら有効 1なら無効 |
110〜142 | 32 | unsigned char[32] | Reserved | =0 |
142〜2047 | 1906 | unsigned char[1906] | Boot Use | 予約 |