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Posted to commits@nuttx.apache.org by GitBox <gi...@apache.org> on 2021/02/02 05:51:54 UTC

[GitHub] [incubator-nuttx] xiaoxiang781216 edited a comment on issue #2786: arch/risc-v/src/rv32im/riscv_syscall.S have bogus nops

xiaoxiang781216 edited a comment on issue #2786:
URL: https://github.com/apache/incubator-nuttx/issues/2786#issuecomment-771380651


   If I remeber corrrectly, RV64 already implement ECALL and the separation of userspace and kernel. Actually, RV32 and RV64 has common but diverse feature set. It's better to merge two arch into one like https://github.com/apache/incubator-nuttx/issues/2593 then:
   
   1. 32bit and 64bit has the same and union feature set
   2. New feature don't need duplicate on two arch anymore


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