fpu_init(9)

πŸ“¦ version 7.3.1, in nixpkgs unstable

πŸ’… fpu_init(9) β€” bestie's guide to waking up the FPU

okay so this is a page straight out of the Kernel API Manual, and honestly? it's a short one, but it's iconic. we're talking about fpu_init, and yes, she does exactly what her name says πŸŽ€


🌸 NAME 🌸

fpu_init β€” Initialize FPU registers ✨

like, literally. she initializes the FPU registers. that's the whole vibe. no cap.


✨ SYNOPSIS ✨

void fpu_init (struct sh_fpu_soft_struct *fpu );

that's it. that's the whole signature. one function, one pointer, zero drama πŸ’…


πŸ¦‹ ARGUMENTS πŸ¦‹

  • fpu β€” Pointer to software emulated FPU registers. 🫢 so like, you hand her a pointer to your software-emulated FPU registers, and she does her thing with it. simple as that.

πŸ‘‘ SEE ALSO πŸ‘‘

if you're the kind of girl who reads the source (and honestly? respect), go check out:

  • Kernel file ./arch/sh/math-emu/math.c πŸ“‚
  • do_fpu_inst(9) 🌟

both linked, both slay, both worth your time iykyk πŸ’œ


lowkey a tiny page but highkey important β€” it's giving "small but mighty" energy πŸ”₯

and that's the tea, bestie πŸ“ this gem lives over in ./arch/sh/math-emu, stamped October 2026, and the page itself is fpu_init(9) β€” go forth and initialize those registers πŸ’–βœ¨

πŸ“¦ where this page comes from