Date: Tue, 3 Oct 1995 17:39:13 +0100 From: se@zpr.uni-koeln.de (Stefan Esser) To: Warner Losh <imp@village.org> Cc: hackers@freebsd.org Subject: Re: FreeBSD 2.1 will require a minimum of 8MB for installation. Message-ID: <199510031639.AA28447@Sysiphos> In-Reply-To: Warner Losh <imp@village.org> "Re: FreeBSD 2.1 will require a minimum of 8MB for installation." (Oct 2, 20:32)
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On Oct 2, 20:32, Warner Losh wrote: } Subject: Re: FreeBSD 2.1 will require a minimum of 8MB for installation. } How much space do the PCI drivers take up? Would it be reasonable to } assume that you either have a 4M machine with <= 486 and no PCI bus or } that you have a PCI bus machine with > 4M of memory? } } Then it would be a simple matter of two different kernels, right? The PCI code is rather small, actually ... # size pci.o pcibus.o pcisupport.o text data bss dec hex 8352 288 12 8652 21cc pci.o 2016 64 0 2080 820 pcibus.o 5344 80 16 5440 1540 pcisupport.o There are a few text tables in pci.c and pcisupport.c, which could be removed for the boot floppy kernel, but the messages are most useful in the installation phase. # size ncr.o if_de.o text data bss dec hex 17216 5024 16 22256 56f0 ncr.o 12864 32 4 12900 3264 if_de.o These are the NCR SCSI and DE Ethernet drivers (which are the only pure PCI device drivers in the GENERIC kernel. Most other PCI drivers use mostly ISA code, e.g. the Adaptec 2940, and thus don't add more than a few hundred bytes for the PCI probe code ... Regards, STefan -- Stefan Esser, Zentrum fuer Paralleles Rechnen Tel: +49 221 4706021 Universitaet zu Koeln, Weyertal 80, 50931 Koeln FAX: +49 221 4705160 ============================================================================== http://www.zpr.uni-koeln.de/staff/esser/esser.html <se@ZPR.Uni-Koeln.DE>
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