Subject: Re: emul compat pages?
To: Todd Vierling <>
From: Andrew Brown <>
List: netbsd-advocacy
Date: 09/05/2000 23:15:21
>: i think they do.  or they pretend to, at least.  thats why one needs
>: compat_ibcs2 in a config file for a kernel that will run bsdi
>: binaries.  i used to run a bsdi binary for netscape in this manner.
>An *ELF* BSDI binary?  The Netscape BSDI binaries (for BSD/OS 1.x and
>2.x) are a.out binaries, and do not need COMPAT_IBCS2.  The system calls of
>BSD/OS 1.x and 2.x overlap NetBSD's, and simply COMPAT_43, COMPAT_12,
>COMPAT_13, and COMPAT_14 are adequate to provide the requisite support.

sorry, no.  not an elf bsdi binary...and older one.  i think it was a
2.1 binary of netscape 3.0 gold.  so...if you don't need COMPAT_IBCS2,
i guess i've been confused for a while.  sorry.

>BSD/OS 3.x and up binaries use, from what I'm told, their existing 1.x and
>2.x syscall list with a diverging set of syscalls from NetBSD after that
>point.  I've been trying to get a BSD/OS eval CD to find out exactly what
>syscalls are what (in order to implement a full COMPAT_BSDOS).  I may end up
>stealing from O*BSD.  8^)


>: >Again, BSDI has nothing to do with IBCS2.
>: except the emulation bit.
>Nope; BSDI binaries have nothing to do with IBCS2.

done.  point ended.

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