|
Last change
on this file was
e16e8f2,
checked in by Edwin Eefting <edwin@datux.nl>, 3 years ago
|
|
bootstuff
|
-
Property mode set to
100644
|
|
File size:
1.6 KB
|
| Line | |
|---|
| 1 | .text |
|---|
| 2 | .arch i386 |
|---|
| 3 | .code16 |
|---|
| 4 | .section ".prefix", "ax", @progbits |
|---|
| 5 | .org 0 |
|---|
| 6 | |
|---|
| 7 | nbi_header: |
|---|
| 8 | |
|---|
| 9 | /***************************************************************************** |
|---|
| 10 | * NBI file header |
|---|
| 11 | ***************************************************************************** |
|---|
| 12 | */ |
|---|
| 13 | file_header: |
|---|
| 14 | .long 0x1b031336 /* Signature */ |
|---|
| 15 | .byte 0x04 /* 16 bytes header, no vendor info */ |
|---|
| 16 | .byte 0 |
|---|
| 17 | .byte 0 |
|---|
| 18 | .byte 0 /* No flags */ |
|---|
| 19 | .word 0x0000, 0x07c0 /* Load header to 0x07c0:0x0000 */ |
|---|
| 20 | .word entry, 0x07c0 /* Start execution at 0x07c0:entry */ |
|---|
| 21 | .size file_header, . - file_header |
|---|
| 22 | |
|---|
| 23 | /***************************************************************************** |
|---|
| 24 | * NBI segment header |
|---|
| 25 | ***************************************************************************** |
|---|
| 26 | */ |
|---|
| 27 | segment_header: |
|---|
| 28 | .byte 0x04 /* 16 bytes header, no vendor info */ |
|---|
| 29 | .byte 0 |
|---|
| 30 | .byte 0 |
|---|
| 31 | .byte 0x04 /* Last segment */ |
|---|
| 32 | .long 0x00007e00 |
|---|
| 33 | imglen: .long -512 |
|---|
| 34 | memlen: .long -512 |
|---|
| 35 | .size segment_header, . - segment_header |
|---|
| 36 | |
|---|
| 37 | .section ".zinfo.fixup", "a", @progbits /* Compressor fixups */ |
|---|
| 38 | .ascii "ADDL" |
|---|
| 39 | .long imglen |
|---|
| 40 | .long 1 |
|---|
| 41 | .long 0 |
|---|
| 42 | .ascii "ADDL" |
|---|
| 43 | .long memlen |
|---|
| 44 | .long 1 |
|---|
| 45 | .long 0 |
|---|
| 46 | .previous |
|---|
| 47 | |
|---|
| 48 | /***************************************************************************** |
|---|
| 49 | * NBI entry point |
|---|
| 50 | ***************************************************************************** |
|---|
| 51 | */ |
|---|
| 52 | entry: |
|---|
| 53 | /* Install gPXE */ |
|---|
| 54 | call install |
|---|
| 55 | |
|---|
| 56 | /* Jump to .text16 segment */ |
|---|
| 57 | pushw %ax |
|---|
| 58 | pushw $1f |
|---|
| 59 | lret |
|---|
| 60 | .section ".text16", "awx", @progbits |
|---|
| 61 | 1: |
|---|
| 62 | pushl $main |
|---|
| 63 | pushw %cs |
|---|
| 64 | call prot_call |
|---|
| 65 | popl %ecx /* discard */ |
|---|
| 66 | |
|---|
| 67 | /* Uninstall gPXE */ |
|---|
| 68 | call uninstall |
|---|
| 69 | |
|---|
| 70 | /* Reboot system */ |
|---|
| 71 | int $0x19 |
|---|
| 72 | |
|---|
| 73 | .previous |
|---|
| 74 | .size entry, . - entry |
|---|
| 75 | |
|---|
| 76 | nbi_header_end: |
|---|
| 77 | .org 512 |
|---|
Note: See
TracBrowser
for help on using the repository browser.
