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/* Utility functions for the QEMU PALcode.
Copyright (C) 2011 Richard Henderson
This file is part of QEMU PALcode.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the text
of the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; see the file COPYING. If not see
<http://www.gnu.org/licenses/>. */
#include "protos.h"
static inline long
ndelay_with_int(unsigned long nsec)
{
register long a0 __asm__("16") = nsec;
register long v0 __asm__("0");
asm volatile ("call_pal 3" : "=r"(v0) : "r"(a0));
return v0;
}
void
ndelay(unsigned long nsec)
{
long left = nsec;
do {
left = ndelay_with_int(left);
} while (left > 0);
}
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