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buildroot/arch
Guo Ren a9b722732d arch/csky: specify BR2_GCC_TARGET_FLOAT_ABI
The C-SKY architecture uses two different ABIs, depending on the core
being used:

 - "abiv1" is a mcore based ISA with ELF_NUM:39 and does not support
   FPU & VDSP. It is used only for the ck610 core.

 - "abiv2" is C-SKY's own ISA with ELF_NUM:252 and supports FPU &
   VDSP. It is used for the ck807, ck810, ck860 cores.

Since "abiv1" does not support FPU, BR2_GCC_TARGET_FLOAT_ABI will
always have the value "soft" for the ck610 core.

Signed-off-by: Guo Ren <ren_guo@c-sky.com>
Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
[Thomas: rework commit log]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
2019-05-31 22:59:57 +02:00
..