cpu.inc

     31         23         15         7        0
     +----------|----------+----------|----------+
0x64 |     I/O map base    | 00000000   0000000T |
     +----------|----------+----------|----------+
0x60 | 00000000   00000000 |         LDT         |
     +----------|----------+----------|----------+
0x5c | 00000000   00000000 |         GS          |
     +----------|----------+----------|----------+
0x58 | 00000000   00000000 |         FS          |
     +----------|----------+----------|----------+
0x54 | 00000000   00000000 |         DS          |
     +----------|----------+----------|----------+
0x50 | 00000000   00000000 |         SS          |
     +----------|----------+----------|----------+
0x4C | 00000000   00000000 |         CS          |
     +----------|----------+----------|----------+
0x48 | 00000000   00000000 |         ES          |
     +----------|----------+----------|----------+
0x44 |                    EDI                    |
     +----------|----------+----------|----------+
0x40 |                    ESI                    |
     +----------|----------+----------|----------+
0x3C |                    EBP                    |
     +----------|----------+----------|----------+
0x38 |                    ESP                    |
     +----------|----------+----------|----------+
0x34 |                    EBX                    |
     +----------|----------+----------|----------+
0x30 |                    EDX                    |
     +----------|----------+----------|----------+
0x2C |                    ECX                    |
     +----------|----------+----------|----------+
0x28 |                    EAX                    |
     +----------|----------+----------|----------+
0x24 |                  EFLAGS                   |
     +----------|----------+----------|----------+
0x20 |                    EIP                    |
     +----------|----------+----------|----------+
0x1C |                    CR3                    |
     +----------|----------+----------|----------+
0x18 | 00000000   00000000 |         SS2         |
     +----------|----------+----------|----------+
0x14 |                   ESP2                    |
     +----------|----------+----------|----------+
0x10 | 00000000   00000000 |         SS1         |
     +----------|----------+----------|----------+
0x0C |                   ESP1                    |
     +----------|----------+----------|----------+
0x08 | 00000000   00000000 |         SS0         |
     +----------|----------+----------|----------+
0x04 |                   ESP0                    |
     +----------|----------+----------|----------+
0x00 | 00000000   00000000 |  old TSS selector   |
     +----------|----------+----------|----------+