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[PATCH 5/5] xen: arm64: remove -mgeneral-regs-only for vfp.c
- To: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>
- Date: Fri, 29 Nov 2024 01:49:10 +0000
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- Cc: Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>
- Delivery-date: Fri, 29 Nov 2024 01:49:28 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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- Thread-topic: [PATCH 5/5] xen: arm64: remove -mgeneral-regs-only for vfp.c
vfp.c actually accesses VFP registers, so it can't be built with
-mgeneral-regs-only flag when using clang, as clang will complain
about this:
arch/arm/arm64/vfp.c:9:18: error: instruction requires: fp-armv8
9 | asm volatile("stp q0, q1, [%1, #16 * 0]\n\t"
|
Signed-off-by: Volodymyr Babchuk <volodymyr_babchuk@xxxxxxxx>
---
xen/arch/arm/arm64/Makefile | 2 ++
1 file changed, 2 insertions(+)
diff --git a/xen/arch/arm/arm64/Makefile b/xen/arch/arm/arm64/Makefile
index 6491c5350b..af949b8ee6 100644
--- a/xen/arch/arm/arm64/Makefile
+++ b/xen/arch/arm/arm64/Makefile
@@ -18,3 +18,5 @@ obj-$(CONFIG_ARM64_SVE) += sve.o sve-asm.o
obj-y += traps.o
obj-y += vfp.o
obj-y += vsysreg.o
+
+$(obj)/vfp.o: CFLAGS_REMOVE += -mgeneral-regs-only
--
2.47.0
|
