On Wed, May 29, 2019 at 3:23 PM Thomas Petazzoni <thomas.petazzoni@xxxxxxxxxxx> wrote: > > Hello, > > On Wed, 29 May 2019 15:18:41 +0800 > guoren@xxxxxxxxxx wrote: > > > From: Guo Ren <ren_guo@xxxxxxxxx> > > > > This is only for abiv2 and abiv1 don't support FPU. > > > > Signed-off-by: Guo Ren <ren_guo@xxxxxxxxx> > > What is abiv1 vs. abiv2 ? Also, in your next commit, abiv1 is > apparently used for ck610, but here this BR2_GCC_TARGET_FLOAT_ABI is > defined for all cases, which seems to contradict your commit log. abiv1 contain: ck610 abiv2 contain: ck807 ck810 ck860 Abiv1 is almost the same as mcore and it's ELF_CODE is 39 Abiv2 is C-SKY own ISA and it's ELF_CODE is 252 We don't support FPU in abiv1, because its opcode width is only 16-bits and we don't want to continue developing it. Best Regards Guo Ren