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[undi] Scan for UNDI ROMs on 512-byte boundaries rather than 2kB boundaries 

Apparently some BIOSes will place option ROMs on 512-byte boundaries.
While this is against specification, it doesn't actually hurt
anything, so we may as well increase our scan granularity to 512
bytes.

Contributed by Luca <lucarx76@gmail.com>
pull/1/head
Michael Brown 2008-09-12 03:10:27 +01:00
parent 8223084afc
commit 6df82b1a9d
1 changed files with 2 additions and 2 deletions
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4
src/arch/i386/drivers/net/undirom.c
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@ -188,9 +188,9 @@ static void undirom_probe_all_roms ( void ) {
DBG ( "Scanning for PXE expansion ROMs\n" ); DBG ( "Scanning for PXE expansion ROMs\n" );
/* Scan through expansion ROM region at 2kB intervals */ /* Scan through expansion ROM region at 512 byte intervals */
for ( rom_segment = 0xc000 ; rom_segment < 0x10000 ; for ( rom_segment = 0xc000 ; rom_segment < 0x10000 ;
rom_segment += 0x80 ) { rom_segment += 0x20 ) {
undirom_probe ( rom_segment ); undirom_probe ( rom_segment );
} }