From c7252588ebb95f97631e9470778c69afa00c35b5 Mon Sep 17 00:00:00 2001 From: Franklin Wei Date: Sun, 1 Mar 2015 14:20:47 -0500 Subject: Huge restructure --- kernel/fpu.c | 25 ------------------------- 1 file changed, 25 deletions(-) delete mode 100644 kernel/fpu.c (limited to 'kernel/fpu.c') diff --git a/kernel/fpu.c b/kernel/fpu.c deleted file mode 100644 index f5512d6..0000000 --- a/kernel/fpu.c +++ /dev/null @@ -1,25 +0,0 @@ -/* Copyright (C) 2011-2013 Kevin Lange */ -/* this code from toaruos */ -#include -#include "fpu.h" - -/** - * Enable the FPU and SSE - */ -void fpu_enable(void) { - asm volatile ("clts"); - size_t t; - asm volatile ("mov %%cr4, %0" : "=r"(t)); - t |= 3 << 9; - asm volatile ("mov %0, %%cr4" :: "r"(t)); -} - -/** - * Disable FPU and SSE so it traps to the kernel - */ -void fpu_disable(void) { - size_t t; - asm volatile ("mov %%cr0, %0" : "=r"(t)); - t |= 1 << 3; - asm volatile ("mov %0, %%cr0" :: "r"(t)); -} -- cgit v1.1