Messages in this thread | | | Subject | Re: [PATCH 2/4] riscv: __asm_copy_to-from_user: Fix: fail on RV32 | From | Akira Tsukamoto <> | Date | Tue, 20 Jul 2021 19:18:34 +0900 |
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Hi Geert,
On 7/20/2021 6:49 PM, Geert Uytterhoeven wrote: > Hi Tsukamoto-san, > > Thanks for your patch! > > On Tue, Jul 20, 2021 at 10:51 AM Akira Tsukamoto > <akira.tsukamoto@gmail.com> wrote: >> Had a bug when converting bytes to bits when the cpu was rv32. >> >> The a3 contains the number of bytes and multiple of 8 >> would be the bits. The LGREG is holding 2 for RV32 and 3 for >> RV32, so to achieve multiple of 8 it must always be constant 3. > > RV64
Thanks, the LGREG is holding 2 for RV32 and 3 for RV64 (not RV32).
Akira
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