From: Alois Fertl <alois_fertl@TalkNet.de>
To: Cort Dougan <cort@persephone.cs.nmt.edu>
Cc: LinuxppcDev <linuxppc-dev@lists.linuxppc.org>
Subject: Vger 2.2.5 kernel not working without IDE
Date: Thu, 08 Apr 1999 20:24:14 +0000 [thread overview]
Message-ID: <370D106E.2FC735F1@talknet.de> (raw)
playing with recent vger 2.2.5 kernels from CVS on samba I found out
that kernels built without IDE support (CONFIG_BLK_DEV_IDE not set)
will no longer boot on prep_hardware.
The reason is asm-ppc/ide.h which redefines the inb and outb macros
to use the ISA-I/O base from ppc_ide_md.io_base. The whole ppc_ide_md
structure is only initialized if IDE support is configured.
For the kernel this means that after including asm-ppc/ide.h all
following inb/outb operations access wrong locations which results in
the kernel not booting at all.
Question is if these undefs and redefs for inb/outb inb_p/outb_p in
ide.h are really required or if they can go away.
I dropped this lines and than tested recompiled IDE and non-IDE kernels
which both woirked fine for me.
Alois
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reply other threads:[~1999-04-08 20:24 UTC|newest]
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