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.
Maciej
