21 lines
414 B
ArmAsm
21 lines
414 B
ArmAsm
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/* fpu_cw_get() - get FPU control word Author: Erik van der Kouwe */
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/* fpu_cw_set() - set FPU control word 9 Dec 2009 */
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.text
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.globl _fpu_cw_get
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.globl _fpu_cw_set
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/* u16_t fpu_cw_get(void) */
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_fpu_cw_get:
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/* clear unused bits just to be sure */
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xor %eax, %eax
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push %eax
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fstcw (%esp)
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pop %eax
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ret
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/* void fpu_cw_set(u16_t fpu_cw) */
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_fpu_cw_set:
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/* load control word from parameter */
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fldcw 4(%esp)
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ret
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