Sorry to bud in again but we constantly keep talking about linuxbios and mini-tx mobos :) keep up to date on the discussion:
http://www.diyaudio.com/forums/showthread.php?s=&threadid=6552&perpage=40&pa genumber=1 ----- Original Message ----- From: "Steve M. Gehlbach" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Wednesday, October 09, 2002 11:32 PM Subject: RE: LinuxBios support for Via Mini-ITX motherboard > > > I spent some time on it. It has trouble to jump to hardwaremain from > > > crt0.base somehow. I'm tracking it at the moment. > > > > When I had this problem it always got back to a DRAM issue. > > > > I agree. Below is my favorite "check and see if the copy worked" hack for > crt0.base. There is an extra pattern test if the copy fails for some reason > or other that I don't remember. Maybe we ought to always compare ram to > flash as a sanity check after the copy. > > -Steve > > // see if copy succeeded > leal EXT(_liseg), %esi > leal EXT(_iseg), %edi > cmpl %esi, %edi > jz .Lnocopy > movl $EXT(_eliseg), %ecx > subl %esi, %ecx > jz .Lnocopy /* should not happen */ > 0: cmpsb > jnz .failed > loop 0b > > CONSOLE_DEBUG_TX_STRING($str_success) > jmp .Lnocopy > > .failed: > CONSOLE_DEBUG_TX_STRING($str_failed) > CONSOLE_DEBUG_TX_HEX32(%ecx) > CONSOLE_DEBUG_TX_STRING($str_crlf) > leal EXT(_liseg), %esi > movl $0xa5a5a5a5,0(%esi) > movl 0(%esi),%eax > cmpl $0xa5a5a5a5,%eax > jne 1f > CONSOLE_DEBUG_TX_STRING($str_g1) > jmp .Lnocopy > 1: > CONSOLE_DEBUG_TX_STRING($str_f1) > CONSOLE_DEBUG_TX_STRING($str_failed) > CONSOLE_DEBUG_TX_HEX32(%eax) > CONSOLE_DEBUG_TX_STRING($str_crlf) > jmp . - 2 > hlt /* no sense in going on */ > > .Lnocopy .... > > (at the end) > > str_success: .string "\n\rRam compare succeeded.\r\n" > str_failed: .string "\n\rRam compare failed: val: " > str_crlf: .string "\n\r" > str_f1: .string "test 1 failed.\n\r" > str_g1: .string "test 1 okay.\n\r" > > _______________________________________________ > Linuxbios mailing list > [EMAIL PROTECTED] > http://www.clustermatic.org/mailman/listinfo/linuxbios _______________________________________________ Linuxbios mailing list [EMAIL PROTECTED] http://www.clustermatic.org/mailman/listinfo/linuxbios
