From: Michael Ellerman <mpe@ellerman.id.au>
To: Randy Dunlap <rdunlap@infradead.org>,
PowerPC <linuxppc-dev@lists.ozlabs.org>
Cc: linux-kbuild <linux-kbuild@vger.kernel.org>
Subject: Re: powerpc{32,64} randconfigs
Date: Wed, 21 Apr 2021 17:15:49 +1000 [thread overview]
Message-ID: <87tuo0az16.fsf@mpe.ellerman.id.au> (raw)
In-Reply-To: <45afab41-cc5f-dffa-712a-d5fb1a9d0a23@infradead.org>
Randy Dunlap <rdunlap@infradead.org> writes:
> Hi,
>
> Is there a way to do this?
>
> $ make ARCH=powerpc randconfig # and force PPC32
Sort of:
$ KCONFIG_ALLCONFIG=arch/powerpc/configs/book3s_32.config make randconfig
But that also forces BOOK3S.
> and separately
> $ make ARCH=powerpc randconfig # and force PPC64
No.
...
> OK, I have a patch that seems for work as far as setting
> PPC32=y or PPC64=y... but it has a problem during linking
> of vmlinux:
>
> crosstool/gcc-9.3.0-nolibc/powerpc-linux/bin/powerpc-linux-ld:./arch/powerpc/kernel/vmlinux.lds:6: syntax error
>
> and the (bad) generated vmlinux.lds file says (at line 6):
>
> OUTPUT_ARCH(1:common)
>
> while it should say:
>
> OUTPUT_ARCH(powerpc:common)
>
> Does anyone have any ideas about this problem?
I guess your patch broke something? :D
Not sure sorry.
What about something like this?
cheers
diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index 3212d076ac6a..712c5e8768ce 100644
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -376,6 +376,16 @@ PHONY += ppc64_book3e_allmodconfig
$(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/powerpc/configs/85xx-64bit.config \
-f $(srctree)/Makefile allmodconfig
+PHONY += ppc32_randconfig
+ppc32_randconfig:
+ $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/powerpc/configs/32-bit.config \
+ -f $(srctree)/Makefile randconfig
+
+PHONY += ppc64_randconfig
+ppc64_randconfig:
+ $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/powerpc/configs/64-bit.config \
+ -f $(srctree)/Makefile randconfig
+
define archhelp
@echo '* zImage - Build default images selected by kernel config'
@echo ' zImage.* - Compressed kernel image (arch/$(ARCH)/boot/zImage.*)'
diff --git a/arch/powerpc/configs/32-bit.config b/arch/powerpc/configs/32-bit.config
new file mode 100644
index 000000000000..bdf833009006
--- /dev/null
+++ b/arch/powerpc/configs/32-bit.config
@@ -0,0 +1 @@
+CONFIG_PPC64=n
diff --git a/arch/powerpc/configs/64-bit.config b/arch/powerpc/configs/64-bit.config
new file mode 100644
index 000000000000..0fe6406929e2
--- /dev/null
+++ b/arch/powerpc/configs/64-bit.config
@@ -0,0 +1 @@
+CONFIG_PPC64=y
next prev parent reply other threads:[~2021-04-21 7:15 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-20 23:31 powerpc{32,64} randconfigs Randy Dunlap
2021-04-21 6:03 ` Christophe Leroy
2021-04-21 6:12 ` Christophe Leroy
2021-04-21 6:37 ` Christophe Leroy
2021-04-21 6:45 ` Randy Dunlap
2021-04-28 1:31 ` Randy Dunlap
2021-04-21 7:15 ` Michael Ellerman [this message]
2021-04-21 10:08 ` Masahiro Yamada
2021-04-27 23:45 ` Randy Dunlap
2022-03-02 16:14 ` Christophe Leroy
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