From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-out.m-online.net (mail-out.m-online.net [212.18.0.10]) by ozlabs.org (Postfix) with ESMTP id B66D0DDE01 for ; Mon, 24 Sep 2007 22:20:40 +1000 (EST) Message-ID: <46F7AB94.9060007@grandegger.com> Date: Mon, 24 Sep 2007 14:20:36 +0200 From: Wolfgang Grandegger MIME-Version: 1.0 To: Josh Boyer Subject: Re: [patch 6/6] Walnut zImage wrapper References: <20070831200449.598781000@linux.vnet.ibm.com> <20070831200643.675381000@linux.vnet.ibm.com> <20070903011352.GF31499@localhost.localdomain> <1188741519.3772.3.camel@localhost.localdomain> <20070905113604.746ee01c@weaponx.rchland.ibm.com> <46F76C0D.5090006@grandegger.com> <20070924070312.3dee3dd9@weaponx.rchland.ibm.com> In-Reply-To: <20070924070312.3dee3dd9@weaponx.rchland.ibm.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Cc: linuxppc-dev@ozlabs.org, David Gibson List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Josh Boyer wrote: > On Mon, 24 Sep 2007 09:49:33 +0200 > Wolfgang Grandegger wrote: >> The addition of treeboot-walnut.c breaks compilation of Linux-2.6 for >> the lite5200 using the ppc_6xx toolchain of the ELDK 4.1: >> >> MODPOST vmlinux.o >> WARNING: vmlinux.o(.text+0x14): Section mismatch: reference to >> .init.text:prom_init (between '__start' and '__after_mmu_off') >> WARNING: vmlinux.o(.text+0x28): Section mismatch: reference to >> .init.text:early_init (between '__start' and '__after_mmu_off') >> WARNING: vmlinux.o(.text+0x340c): Section mismatch: reference to >> .init.text:machine_init (between 'start_here' and 'set_context') >> WARNING: vmlinux.o(.text+0x3414): Section mismatch: reference to >> .init.text:MMU_init (between 'start_here' and 'set_context') >> WARNING: vmlinux.o(.text+0x343e): Section mismatch: reference to >> .init.text:start_kernel (between 'start_here' and 'set_context') >> WARNING: vmlinux.o(.text+0x3442): Section mismatch: reference to >> .init.text:start_kernel (between 'start_here' and 'set_context') >> GEN .version >> CHK include/linux/compile.h >> UPD include/linux/compile.h >> CC init/version.o >> LD init/built-in.o >> LD vmlinux >> SYSMAP System.map >> BOOTAS arch/powerpc/boot/string.o >> BOOTAS arch/powerpc/boot/crt0.o >> BOOTCC arch/powerpc/boot/stdio.o >> BOOTCC arch/powerpc/boot/main.o >> BOOTCC arch/powerpc/boot/flatdevtree.o >> BOOTCC arch/powerpc/boot/flatdevtree_misc.o >> BOOTCC arch/powerpc/boot/ns16550.o >> BOOTCC arch/powerpc/boot/serial.o >> BOOTCC arch/powerpc/boot/simple_alloc.o >> BOOTAS arch/powerpc/boot/div64.o >> BOOTAS arch/powerpc/boot/util.o >> BOOTCC arch/powerpc/boot/gunzip_util.o >> BOOTCC arch/powerpc/boot/elf_util.o >> BOOTCC arch/powerpc/boot/inffast.o >> BOOTCC arch/powerpc/boot/inflate.o >> BOOTCC arch/powerpc/boot/inftrees.o >> BOOTCC arch/powerpc/boot/devtree.o >> BOOTCC arch/powerpc/boot/oflib.o >> BOOTCC arch/powerpc/boot/ofconsole.o >> BOOTCC arch/powerpc/boot/4xx.o >> BOOTCC arch/powerpc/boot/ebony.o >> BOOTCC arch/powerpc/boot/mv64x60.o >> BOOTCC arch/powerpc/boot/mpsc.o >> BOOTCC arch/powerpc/boot/mv64x60_i2c.o >> BOOTCC arch/powerpc/boot/cuboot.o >> BOOTCC arch/powerpc/boot/bamboo.o >> BOOTAR arch/powerpc/boot/wrapper.a >> BOOTCC arch/powerpc/boot/of.o >> BOOTCC arch/powerpc/boot/cuboot-83xx.o >> BOOTCC arch/powerpc/boot/cuboot-85xx.o >> BOOTCC arch/powerpc/boot/holly.o >> BOOTCC arch/powerpc/boot/cuboot-ebony.o >> BOOTCC arch/powerpc/boot/treeboot-ebony.o >> BOOTCC arch/powerpc/boot/prpmc2800.o >> BOOTAS arch/powerpc/boot/ps3-head.o >> BOOTAS arch/powerpc/boot/ps3-hvcall.o >> BOOTCC arch/powerpc/boot/ps3.o >> BOOTCC arch/powerpc/boot/treeboot-bamboo.o >> BOOTCC arch/powerpc/boot/cuboot-sequoia.o >> BOOTCC arch/powerpc/boot/treeboot-walnut.o >> {standard input}: Assembler messages: >> {standard input}:184: Error: Unrecognized opcode: `mfdcr' >> {standard input}:185: Error: Unrecognized opcode: `mfdcr' >> {standard input}:186: Error: Unrecognized opcode: `mfdcr' >> {standard input}:217: Error: Unrecognized opcode: `mtdcr' >> make[1]: *** [arch/powerpc/boot/treeboot-walnut.o] Error 1 >> make: *** [uImage] Error 2 >> >> It looks like the ppc_6xx toolchain does not know the opcode above. I >> wonder why files for other PowerPC sub-archs like 4xx are compiled with >> the wrong compiler. Have I missed something? > > No, you haven't missed anything. I need a one line patch to fix it. > Could you try the patch below to make sure it works for you? It works for me with one typo corrected (see below). > >> And the WARNING above on "Section mismatch" looks strange as well (still >> present in 2.6.23-rc7). > > Those warnings should be gone with Paul's latest tree. (They will > remain for 2.6.23.) OK. > Pass the correct -mcpu option for treeboot-walnut.o to avoid > unrecognized opcodes. > > Signed-off-by: Josh Boyer > > diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile > index c1582b6..8e6d36b 100644 > --- a/arch/powerpc/boot/Makefile > +++ b/arch/powerpc/boot/Makefile > @@ -33,6 +33,7 @@ BOOTCFLAGS += -I$(obj) -I$(srctree)/$(obj) > > $(obj)/4xx.o: BOOTCFLAGS += -mcpu=440 > $(obj)/ebony.o: BOOTCFLAGS += -mcpu=440 > +$(obj)/treeboot-walnut.o: BOOTFLAGS += -mcpu=405 ^^^^^^^^^ typo, should be BOOTCFLAGS Thanks. Wolfgang.