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Add x86 bootblock hack.

This commit is contained in:
christos 2014-04-07 21:20:17 +00:00
parent ad33dd774c
commit 4d17f2c6e5
1 changed files with 13 additions and 1 deletions
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doc/HACKS
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@ -1,4 +1,4 @@
# $NetBSD: HACKS,v 1.147 2014/04/05 17:06:44 tron Exp $
# $NetBSD: HACKS,v 1.148 2014/04/07 21:20:17 christos Exp $
#
# This file is intended to document workarounds for currently unsolved
# (mostly) compiler bugs.
@ -815,6 +815,18 @@ port i386
the i387 FPU without rounding the intermediate results
kcah
port x86
hack turn off optimization for biosdisk_ll.c because otherwise
we are pass the wrong arguments to biosdisk_read().
$ cd /usr/src/sys/arch/i386/floppies/bootflopp-com
$ qemu-system-i386 -nographic -fda boot-com1.fs -boot a
who christos
file src/sys/arch/i386/stand/lib/Makefile : 1.38
descr
Turning on DISK_DEBUG shows the problem. We should find
out which option is causing this.
hcah
port powerpc
hack avoid using __builtin_return_address(0) because it fails in