diff options
Diffstat (limited to 'gpxe/src/arch/i386/prefix/exeprefix.S')
| -rwxr-xr-x | gpxe/src/arch/i386/prefix/exeprefix.S | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/gpxe/src/arch/i386/prefix/exeprefix.S b/gpxe/src/arch/i386/prefix/exeprefix.S new file mode 100755 index 00000000..f1b402b7 --- /dev/null +++ b/gpxe/src/arch/i386/prefix/exeprefix.S @@ -0,0 +1,41 @@ +/* + Prefix for .exe images + Doesn't work yet, even though it starts off the same as a .com + image as shown by DOS debug. +*/ + + .text + .code16 + .arch i386 + .section ".prefix", "ax", @progbits + +_prefix: + .byte 'M', 'Z' + .short _exe_size_tail /* tail */ + .short _exe_size_pages /* pages */ + .short 0 /* relocations */ + .short 2 /* header paras */ + .short _exe_bss_size /* min */ + .short 0xFFFF /* max paras */ + .short _exe_ss_offset /* SS */ + .short _stack_size /* SP */ + .short 0 /* checksum */ + .short 0 /* IP */ + .short 0 /* CS */ + .short 0x1C /* reloc offset */ + .short 0 /* overlay number */ + .short 0 /* fill */ + .short 0 /* fill */ + + .section ".text16", "ax", @progbits +prefix_exit: + movw $0x4c00,%ax /* return to DOS */ + int $0x21 /* reach this on Quit */ +prefix_exit_end: + .previous + +/* The body of etherboot is attached here at build time. + * Force 16 byte alignment + */ + .align 16,0 +_body: |