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12 lines
250 B
C
12 lines
250 B
C
#include <lib.h>
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#include "fpu.h"
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void fpu_init(void) {
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size_t cr4;
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uint16_t cw = 0x37F;
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__asm__ volatile ("mov %%cr4, %0" : "=r"(cr4));
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cr4 |= 0x200;
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__asm__ volatile ("mov %0, %%cr4" :: "r"(cr4));
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__asm__ volatile("fldcw %0" :: "m"(cw));
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}
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