> +#ifdef __riscv_f > + > +#define kernel_fpu_begin() \ > + static_assert(false, "floating-point code must use a separate translation unit") > +#define kernel_fpu_end() kernel_fpu_begin() > + > +#else > + > +void kernel_fpu_begin(void); > +void kernel_fpu_end(void); > + > +#endif I'll assume this is related to trick that places code in a separate translation unit, but I fail to understand it. Can you add a comment explaining it?
