[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]
Re: toolchain/48630: sun4v support causes sparc/sparc64 build failure on netbsd-5/i386 host
The following reply was made to PR toolchain/48630; it has been noted by GNATS.
From: Palle Lyckegaard <palle%lyckegaard.dk@localhost>
To: Martin Husemann <martin%duskware.de@localhost>
Cc: gnats-bugs%NetBSD.org@localhost, palle%NetBSD.org@localhost
Subject: Re: toolchain/48630: sun4v support causes sparc/sparc64 build failure
on netbsd-5/i386 host
Date: Sun, 9 Mar 2014 14:47:18 +0000 (UTC)
On Sun, 2 Mar 2014, Martin Husemann wrote:
> This is a nice one. The problem is not netbsd-6 as build host vs. netbsd-5,
> but a 64bit build host vs. a 32bit one.
> Gennassym creates the constant in question as:
> assym.h:#define A_SUN4V_TLB_TSB_LOCK 1152921504606846976
> while the original definition is:
> pte.h:#define SUN4V_TLB_TSB_LOCK 0x1000000000000000UL
> I don't remember right now wether there was some special asm syntax to make
> gas on 32bit hosts understand 64bit constants (this all sounds like a
> gas bug to me).
Since the SUN4V support is still incomplete a workaround could be to
disable the SUN4V support in the GENERIC_SUN4U config file:
RCS file: /cvsroot/src/sys/arch/sparc/conf/GENERIC_SUN4U,v
retrieving revision 1.1
diff -u -r1.1 GENERIC_SUN4U
--- sys/arch/sparc/conf/GENERIC_SUN4U 4 Mar 2001 10:12:56 -0000
+++ sys/arch/sparc/conf/GENERIC_SUN4U 9 Mar 2014 14:18:34 -0000
@@ -3,3 +3,4 @@
# Build a 32-bit `sparc64' kernel, that is compatible with our userland.
+no options SUN4V
Main Index |
Thread Index |