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authorAlan Kao <alankao@andestech.com>2018-10-09 10:18:33 +0800
committerPalmer Dabbelt <palmer@sifive.com>2018-10-22 17:02:23 -0700
commit9671f7061433e2c58b9894093eada1898595b85d (patch)
tree29630911728d35d4aac5b6dd08c2b96947a70d01 /arch/riscv/Makefile
parentCleanup ISA string setting (diff)
downloadlinux-dev-9671f7061433e2c58b9894093eada1898595b85d.tar.xz
linux-dev-9671f7061433e2c58b9894093eada1898595b85d.zip
Allow to disable FPU support
FPU codes have been separated from common part in previous patches. This patch add the CONFIG_FPU option and some stubs, so that a no-FPU configuration is allowed. Signed-off-by: Alan Kao <alankao@andestech.com> Cc: Greentime Hu <greentime@andestech.com> Cc: Vincent Chen <vincentc@andestech.com> Cc: Zong Li <zong@andestech.com> Cc: Nick Hu <nickhu@andestech.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
Diffstat (limited to 'arch/riscv/Makefile')
-rw-r--r--arch/riscv/Makefile2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile
index 01393e1b2921..901770fc9bd2 100644
--- a/arch/riscv/Makefile
+++ b/arch/riscv/Makefile
@@ -44,7 +44,7 @@ KBUILD_CFLAGS += -Wall
riscv-march-$(CONFIG_ARCH_RV32I) := rv32im
riscv-march-$(CONFIG_ARCH_RV64I) := rv64im
riscv-march-$(CONFIG_RISCV_ISA_A) := $(riscv-march-y)a
-riscv-march-y := $(riscv-march-y)fd
+riscv-march-$(CONFIG_FPU) := $(riscv-march-y)fd
riscv-march-$(CONFIG_RISCV_ISA_C) := $(riscv-march-y)c
KBUILD_CFLAGS += -march=$(subst fd,,$(riscv-march-y))
KBUILD_AFLAGS += -march=$(riscv-march-y)