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authorandrew <andrew@FreeBSD.org>2014-10-06 09:52:28 +0000
committerandrew <andrew@FreeBSD.org>2014-10-06 09:52:28 +0000
commit4f66e1e13e4e5c0cffda516abb50ceb6fb7433a5 (patch)
tree801f20b7b9bb169b4e1797fd66c8752edf3e8f9a /sys/conf/Makefile.arm
parent16b2df6b9e142f8f38226dd9cedb6181e18e3e48 (diff)
downloadFreeBSD-src-4f66e1e13e4e5c0cffda516abb50ceb6fb7433a5.zip
FreeBSD-src-4f66e1e13e4e5c0cffda516abb50ceb6fb7433a5.tar.gz
Disable generating vfp and NEON instructions in the arm kernel.
Diffstat (limited to 'sys/conf/Makefile.arm')
-rw-r--r--sys/conf/Makefile.arm3
1 files changed, 3 insertions, 0 deletions
diff --git a/sys/conf/Makefile.arm b/sys/conf/Makefile.arm
index 08e70f3..2727f81 100644
--- a/sys/conf/Makefile.arm
+++ b/sys/conf/Makefile.arm
@@ -42,6 +42,9 @@ STRIP_FLAGS = -S
# We don't support gcc's thump interwork stuff, so disable it
CFLAGS.gcc += -mno-thumb-interwork
+# We generally don't want fpu instructions in the kernel.
+CFLAGS.clang += -mfpu=none
+
.if !empty(DDB_ENABLED)
CFLAGS += -funwind-tables
# clang requires us to tell it to emit assembly with unwind information
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