On Sat, Oct 10, 2020 at 01:30:38AM +0100, Maciej W. Rozycki wrote:
> On Thu, 8 Oct 2020, Thomas Bogendoerfer wrote:
>
> > + /*
> > + * MAC2008 toolchain never landed in real world, so we're only
> > + * testing whether it can be disabled and don't try to enabled
> > + * it.
> > + */
> > + fcsr0 = fcsr & ~(FPU_CSR_ABS2008 | FPU_CSR_NAN2008 | FPU_CSR_MAC2008);
> > + write_32bit_cp1_register(CP1_STATUS, fcsr0);
> > + fcsr0 = read_32bit_cp1_register(CP1_STATUS);
> > +
> > + fcsr1 = fcsr | FPU_CSR_ABS2008 | FPU_CSR_NAN2008;
> > + write_32bit_cp1_register(CP1_STATUS, fcsr1);
> > + fcsr1 = read_32bit_cp1_register(CP1_STATUS);
> > +
> > + write_32bit_cp1_register(CP1_STATUS, fcsr);
> > +
> > + if (c->isa_level & (MIPS_CPU_ISA_M32R2 | MIPS_CPU_ISA_M64R2)) {
> > + /*
> > + * The bit for MAC2008 might be reused by R6 in future,
> > + * so we only test for R2-R5.
> > + */
>
> Umm, this has formatting issues with lines extending beyond column #80.
I've fixed it while appling.
Thomas.
--
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea. [ RFC1925, 2.3 ]
