Hi Icenowy, On Wed, Jun 19, 2024 at 7:51 AM Icenowy Zheng <uwu@xxxxxxxxxx> wrote: > > 在 2024-06-18星期二的 18:11 +0100,Jessica Clarke写道: > > On 18 Jun 2024, at 12:46, Yunhui Cui <cuiyunhui@xxxxxxxxxxxxx> wrote: > > > > > > From: Palmer Dabbelt <palmer@xxxxxxxxxxxx> > > > > > > A handful of user-visible behavior is based on the frequency of the > > > machine-mode time. > > > > > > Signed-off-by: Palmer Dabbelt <palmer@xxxxxxxxxxxx> > > > Signed-off-by: Yunhui Cui <cuiyunhui@xxxxxxxxxxxxx> > > > > I would suggest referring to the user-mode CSR instead, i.e. “time” > > rather than “mtime” throughout in names and descriptions, since > > that’s > > the thing that user-mode software is actually reading from. > > Agree. MTIME isn't even a thing defined in RISC-V ISA -- it's part of > the ACLINT timer spec, but before ACLINT gets widely accepted, it's > just some SiFive thing that got copied by many other vendors (and > vendors such as T-Head even provides CLINT w/o MTIME register (well > because these T-Head cores have reference source code available, this > is because of their CPU design uses an external counter fed as TIME > register)). Okay, Thanks for your suggestions, I think this modification is more appropriate: RISC-V: Provide the frequency of time counter via hwprobe A handful of user-visible behavior is based on the frequency of the time counter. What do you think ? > > > > > Jess > > > > > > _______________________________________________ > > linux-riscv mailing list > > linux-riscv@xxxxxxxxxxxxxxxxxxx > > http://lists.infradead.org/mailman/listinfo/linux-riscv > Thanks, Yunhui