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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/arch/x86/math-emu/div_small.S
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	.file	"div_small.S"

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/*---------------------------------------------------------------------------+

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 |  div_small.S                                                              |

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 |                                                                           |

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 | Divide a 64 bit integer by a 32 bit integer & return remainder.           |

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 |                                                                           |

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 | Copyright (C) 1992,1995                                                   |

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 |                       W. Metzenthen, 22 Parker St, Ormond, Vic 3163,      |

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 |                       Australia.  E-mail [email protected] |

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 |                                                                           |

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 |                                                                           |

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 +---------------------------------------------------------------------------*/

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/*---------------------------------------------------------------------------+

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 |    unsigned long FPU_div_small(unsigned long long *x, unsigned long y)    |

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 +---------------------------------------------------------------------------*/

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#include "fpu_emu.h"

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.text

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ENTRY(FPU_div_small)

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	pushl	%ebp

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	movl	%esp,%ebp

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	pushl	%esi

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	movl	PARAM1,%esi	/* pointer to num */

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	movl	PARAM2,%ecx	/* The denominator */

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	movl	4(%esi),%eax	/* Get the current num msw */

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	xorl	%edx,%edx

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	divl	%ecx

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	movl	%eax,4(%esi)

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	movl	(%esi),%eax	/* Get the num lsw */

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	divl	%ecx

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	movl	%eax,(%esi)

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	movl	%edx,%eax	/* Return the remainder in eax */

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	popl	%esi

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	leave

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	ret

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