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| author | Vincent Chen | 2018-11-22 04:14:35 +0100 |
|---|---|---|
| committer | Greentime Hu | 2018-11-22 11:13:21 +0100 |
| commit | 1ac832509f2ea1b566f0c06f98f308f58b03d098 (patch) | |
| tree | 080dcfd5832558823072d3fd4de51df32d96ef51 /arch/nds32/Makefile | |
| parent | nds32: nds32 FPU port (diff) | |
| download | kernel-qcow2-linux-1ac832509f2ea1b566f0c06f98f308f58b03d098.tar.gz kernel-qcow2-linux-1ac832509f2ea1b566f0c06f98f308f58b03d098.tar.xz kernel-qcow2-linux-1ac832509f2ea1b566f0c06f98f308f58b03d098.zip | |
nds32: Support FP emulation
The Andes FPU coprocessor does not support denormalized number handling.
According to the specification, FPU generates a denorm input exception
that requires the kernel to deal with this instrution operation when it
encounters denormalized operands. Hence an nds32 FPU ISA emulator in the
kernel is required to meet requirement.
Signed-off-by: Vincent Chen <vincentc@andestech.com>
Signed-off-by: Nickhu <nickhu@andestech.com>
Acked-by: Greentime Hu <greentime@andestech.com>
Signed-off-by: Greentime Hu <greentime@andestech.com>
Diffstat (limited to 'arch/nds32/Makefile')
| -rw-r--r-- | arch/nds32/Makefile | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/nds32/Makefile b/arch/nds32/Makefile index 6dc03206e3c9..0a935c136ec2 100644 --- a/arch/nds32/Makefile +++ b/arch/nds32/Makefile @@ -30,6 +30,7 @@ export TEXTADDR # If we have a machine-specific directory, then include it in the build. core-y += arch/nds32/kernel/ arch/nds32/mm/ +core-$(CONFIG_FPU) += arch/nds32/math-emu/ libs-y += arch/nds32/lib/ ifneq '$(CONFIG_NDS32_BUILTIN_DTB)' '""' |