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authorPaolo Bonzini <pbonzini@redhat.com>2019-07-11 16:14:16 +0300
committerPaolo Bonzini <pbonzini@redhat.com>2019-07-11 16:14:16 +0300
commita45ff5994c9cde41af627c46abb9f32beae68943 (patch)
treeb726cc506ed1b01484f183ab2679cdd618e1e9b1 /arch/nds32/math-emu/fui2s.c
parent429bb83af8bcea0115eb34fd7ed94a35166d8384 (diff)
parent1e0cf16cdad1ba53e9eeee8746fe57de42f20c97 (diff)
downloadlinux-a45ff5994c9cde41af627c46abb9f32beae68943.tar.xz
Merge tag 'kvm-arm-for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm updates for 5.3 - Add support for chained PMU counters in guests - Improve SError handling - Handle Neoverse N1 erratum #1349291 - Allow side-channel mitigation status to be migrated - Standardise most AArch64 system register accesses to msr_s/mrs_s - Fix host MPIDR corruption on 32bit
Diffstat (limited to 'arch/nds32/math-emu/fui2s.c')
-rw-r--r--arch/nds32/math-emu/fui2s.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/nds32/math-emu/fui2s.c b/arch/nds32/math-emu/fui2s.c
new file mode 100644
index 000000000000..f70f0762547d
--- /dev/null
+++ b/arch/nds32/math-emu/fui2s.c
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (C) 2005-2019 Andes Technology Corporation
+#include <linux/uaccess.h>
+
+#include <asm/sfp-machine.h>
+#include <math-emu/soft-fp.h>
+#include <math-emu/single.h>
+
+void fui2s(void *ft, void *fa)
+{
+ unsigned int a = *(unsigned int *)fa;
+
+ FP_DECL_S(R);
+ FP_DECL_EX;
+
+ FP_FROM_INT_S(R, a, 32, int);
+
+ FP_PACK_SP(ft, R);
+
+ __FPU_FPCSR |= FP_CUR_EXCEPTIONS;
+
+}