Salut Stéphane, On Fri, Dec 3, 2021 at 10:19 AM Stéphane Glondu <[email protected]> wrote: > > Dear MIPS porters, > > I am debugging ocaml-mirage-crypto build on mipsel. > > It uses the following code: > > > #if defined (__i386__) || defined (__x86_64__) > > return Val_long (__rdtsc ()); > > #elif defined (__arm__) || defined (__aarch64__) > > return Val_long (read_virtual_count ()); > > #elif defined(__powerpc64__) > > return Val_long (read_cycle_counter ()); > > #elif defined(__riscv) && (64 == __riscv_xlen) > > return Val_long (rdcycle64 ()); > > #elif defined (__s390x__) > > return Val_long (getticks ()); > > #else > > #error ("No known cycle-counting instruction.") > > #endif > > I have trouble finding a suitable implementation for this on mipsel. > Would you have a hint?
All I could find is this code (untested): https://salsa.debian.org/science-team/nfft/-/blob/debian/master/include/cycle.h#L485-507
