From a18fd19647c08e8467440e0262b725e17ff5c5b0 Mon Sep 17 00:00:00 2001 From: Freya Murphy Date: Wed, 16 Apr 2025 16:48:12 -0400 Subject: add support for cpu feature checking, see, and avx --- kernel/cpu/fpu.c | 13 ------------- 1 file changed, 13 deletions(-) delete mode 100644 kernel/cpu/fpu.c (limited to 'kernel/cpu/fpu.c') diff --git a/kernel/cpu/fpu.c b/kernel/cpu/fpu.c deleted file mode 100644 index cafe6e5..0000000 --- a/kernel/cpu/fpu.c +++ /dev/null @@ -1,13 +0,0 @@ -#include - -#include "fpu.h" - -void fpu_init(void) -{ - size_t cr4; - uint16_t cw = 0x37F; - __asm__ volatile("mov %%cr4, %0" : "=r"(cr4)); - cr4 |= 0x200; - __asm__ volatile("mov %0, %%cr4" ::"r"(cr4)); - __asm__ volatile("fldcw %0" ::"m"(cw)); -} -- cgit v1.2.3-freya