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https://github.com/ipxe/ipxe
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16f1e35775
We now have two implementations for the timer API: one using the time-of-day counter at 40:70 and one using RDTSC. Both make use of timer2_udelay().
41 lines
1.1 KiB
C
41 lines
1.1 KiB
C
/*
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* Copyright (C) 2008 Michael Brown <mbrown@fensystems.co.uk>.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <unistd.h>
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/**
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* Delay for a fixed number of milliseconds
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*
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* @v msecs Number of milliseconds for which to delay
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*/
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void mdelay ( unsigned long msecs ) {
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while ( msecs-- )
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udelay ( 1000 );
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}
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/**
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* Delay for a fixed number of seconds
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*
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* @v secs Number of seconds for which to delay
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*/
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unsigned int sleep ( unsigned int secs ) {
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while ( secs-- )
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mdelay ( 1000 );
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return 0;
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}
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