* [PATCH] powerpc/boot: Specify ABI v2 when building an LE boot wrapper
@ 2015-09-15 1:24 Benjamin Herrenschmidt
2015-09-17 5:13 ` Michael Ellerman
0 siblings, 1 reply; 2+ messages in thread
From: Benjamin Herrenschmidt @ 2015-09-15 1:24 UTC (permalink / raw)
To: linuxppc-dev
The kernel does it, not the boot wrapper, which breaks with some
cross compilers that still default to ABI v1.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
CC: stable@vger.kernel.org
--
diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
index 73eddda..4eec430 100644
--- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile
@@ -28,6 +28,9 @@ BOOTCFLAGS += -m64
endif
ifdef CONFIG_CPU_BIG_ENDIAN
BOOTCFLAGS += -mbig-endian
+else
+BOOTCFLAGS += -mlittle-endian
+BOOTCFLAGS += $(call cc-option,-mabi=elfv2)
endif
BOOTAFLAGS := -D__ASSEMBLY__ $(BOOTCFLAGS) -traditional -nostdinc
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: powerpc/boot: Specify ABI v2 when building an LE boot wrapper
2015-09-15 1:24 [PATCH] powerpc/boot: Specify ABI v2 when building an LE boot wrapper Benjamin Herrenschmidt
@ 2015-09-17 5:13 ` Michael Ellerman
0 siblings, 0 replies; 2+ messages in thread
From: Michael Ellerman @ 2015-09-17 5:13 UTC (permalink / raw)
To: Benjamin Herrenschmidt, linuxppc-dev
On Tue, 2015-15-09 at 01:24:17 UTC, Benjamin Herrenschmidt wrote:
> The kernel does it, not the boot wrapper, which breaks with some
> cross compilers that still default to ABI v1.
>
> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
> CC: stable@vger.kernel.org
Applied to powerpc fixes, thanks.
https://git.kernel.org/powerpc/c/655471f54c2e395ba29ae415
cheers
^ permalink raw reply [flat|nested] 2+ messages in thread
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