Il sab 25 nov 2023, 13:23 Petr Cvek <[email protected]> ha scritto:
> GCC defines __i386__ for i386 and i486, which both lack RDTSC instruction. > The i386 seems to be impossible to distinguish, but i486 can be identified > by checking for undefined __i486__. > As far as I know QEMU cannot be run on i486 anyway since TCG assumes the presence of CPUID. Have you actually tried? Paolo > Signed-off-by: Petr Cvek <[email protected]> > --- > include/qemu/timer.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/include/qemu/timer.h b/include/qemu/timer.h > index 9a366e551f..7baa5d1d41 100644 > --- a/include/qemu/timer.h > +++ b/include/qemu/timer.h > @@ -872,7 +872,7 @@ static inline int64_t cpu_get_host_ticks(void) > return retval; > } > > -#elif defined(__i386__) > +#elif defined(__i386__) && !defined(__i486__) > > static inline int64_t cpu_get_host_ticks(void) > { > -- > 2.43.0 > >
