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<TITLE>Linux ADSM Mini-Howto: Installing the iBCS module</TITLE>
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<H2><A NAME="s2">2. Installing the iBCS module</A></H2>
<P>The iBCS2 module is available from
<A HREF="ftp://tsx-11.mit.edu/pub/linux/BETA/ibcs2">ftp://tsx-11.mit.edu/pub/linux/BETA/ibcs2</A>. If you are
running kernel version 1.2.13, get
<CODE>ibcs-1.2-950721.tar.gz</CODE>, unpac it and apply the patches
<CODE>ibcs-1.2-950808.patch1</CODE> and <CODE>ibcs-1.2-950828.patch2</CODE>.
You can then type "<CODE>make</CODE>" and
install the iBCS modlue with "<CODE>insmod</CODE>".
<P>For a 2.0 kernel version, get <CODE>ibcs-2.0-960610.tar.gz</CODE>, unpack it
in a suitable place, chdir into that directory,
and apply the following patch:
<PRE>
--- iBCSemul/ipc.c.orig Wed Jan 15 21:32:15 1997
+++ iBCSemul/ipc.c Wed Jan 15 21:32:31 1997
@@ -212,7 +212,7 @@
switch (command) {
case U_SEMCTL:
cmd = ibcs_sem_trans(arg3);
- arg4 = (union semun *)get_syscall_parameter (regs, 4);
+ arg4 = (union semun *)(((unsigned long *) regs->esp) + (5));
is_p = (struct ibcs_semid_ds *)get_fs_long(arg4->buf);
#ifdef IBCS_TRACE
if ((ibcs_trace & TRACE_API) || ibcs_func_p->trace)
</PRE>
Then, copy <CODE>CONFIG.i386</CODE> to <CODE>CONFIG</CODE>, and type <CODE>make</CODE>.
<P>If you don't have them already, create the needed device files by
executing
<PRE>
# cd /dev
# ln -s null XOR
# ln -s null X0R
# mknod socksys c 30 0
# mknod spx c 30 1
</PRE>
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