Hello, On Wed, 29 May 2019 15:30:14 +0800 Guo Ren <guoren@xxxxxxxxxx> wrote: > > 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. Ah, and indeed BR2_CSKY_FPU cannot be selected for BR2_ck610. Please explain all of this in the commit log. Thanks! Thomas -- Thomas Petazzoni, CTO, Bootlin Embedded Linux and Kernel engineering https://bootlin.com
