On Fri, Aug 25, 2023 at 03:08:52AM +0800, Mingzheng Xing wrote: > When building the kernel with binutils 2.37 and GCC-11.1.0/GCC-11.2.0, > the following error occurs: > > Assembler messages: > Error: cannot find default versions of the ISA extension `zicsr' > Error: cannot find default versions of the ISA extension `zifencei' > > The above error originated from this commit of binutils[0], which has been > resolved and backported by GCC-12.1.0[1] and GCC-11.3.0[2]. > > So fix this by change the GCC version in > CONFIG_TOOLCHAIN_NEEDS_OLD_ISA_SPEC to GCC-11.3.0. > > Link: https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=f0bae2552db1dd4f1995608fbf6648fcee4e9e0c [0] > Link: https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=ca2bbb88f999f4d3cc40e89bc1aba712505dd598 [1] > Link: https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=d29f5d6ab513c52fd872f532c492e35ae9fd6671 [2] > Fixes: ca09f772ccca ("riscv: Handle zicsr/zifencei issue between gcc and binutils") > Reported-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx> Closes: https://lore.kernel.org/all/20230823-captive-abdomen-befd942a4a73@wendy/ Reviewed-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx> Tested-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx> Thanks!
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