On Wed, Apr 19, 2023 at 02:35:02PM -0700, Nick Desaulniers wrote: > On Wed, Apr 19, 2023 at 9:50 AM Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx> wrote: > > > > > > > > > 2023年4月18日 21:07，Nick Desaulniers <ndesaulniers@xxxxxxxxxx> 写道： > > > > > > On Fri, Apr 14, 2023 at 1:07 AM Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx> wrote: > > >> > > >> LLVM does not implement some of -march options. However those options > > >> are not mandatory for kernel to build for those CPUs. > > >> > > >> Fallback -march CFLAG to ISA level if unsupported by toolchain so > > >> we can get those kernel to build with LLVM. > > >> > > >> Link: https://github.com/ClangBuiltLinux/linux/issues/1544 > > >> Reported-by: Nathan Chancellor <nathan@xxxxxxxxxx> > > >> Signed-off-by: Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx> > > > > > > Thanks for the patch! Maybe it's more obvious to folks who work on > > > mips, but how did you determine that say `p5600` is `mips32r5` or > > > `r10000` is `mips4`? > > > > Wikipedia [1] should fit the purpose. > > > > [1]: https://en.wikipedia.org/wiki/List_of_MIPS_architecture_processors > > Mostly! Though I was not able to verify: > - p5600 mips32r5 > - r5500 mips4 > - rm5200 mips4 > - sb1 mips64r1 all information taken from datasheets. > - loongson* probably depends on the exact type, but as I don't have datasheets I can't say what it is exactly, probaly mips32r2/mips64r2. Thomas. -- Crap can work. Given enough thrust pigs will fly, but it's not necessarily a good idea. [ RFC1925, 2.3 ]
