21 lines
394 B
ArmAsm
21 lines
394 B
ArmAsm
! 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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.sect .text
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.define _fpu_cw_get
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.define _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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