| Server IP : 14.207.165.8 / Your IP : 216.73.216.26 Web Server : Apache/2.4.18 (Ubuntu) System : Linux 246 4.4.0-210-generic #242-Ubuntu SMP Fri Apr 16 09:57:56 UTC 2021 x86_64 User : root ( 0) PHP Version : 7.0.33-0ubuntu0.16.04.16 Disable Function : exec,passthru,shell_exec,system,proc_open,popen,pcntl_exec MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : ON Directory : /proc/thread-self/root/lib/modules/4.4.0-112-generic/build/arch/frv/include/asm/ |
Upload File : |
/* delay.h: FRV delay code
*
* Copyright (C) 2003 Red Hat, Inc. All Rights Reserved.
* Written by David Howells (dhowells@redhat.com)
*
* 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.
*/
#ifndef _ASM_DELAY_H
#define _ASM_DELAY_H
#include <asm/param.h>
#include <asm/timer-regs.h>
/*
* delay loop - runs at __core_clock_speed_HZ / 2 [there are 2 insns in the loop]
*/
extern unsigned long __delay_loops_MHz;
static inline void __delay(unsigned long loops)
{
asm volatile("1: subicc %0,#1,%0,icc0 \n"
" bnc icc0,#2,1b \n"
: "=r" (loops)
: "0" (loops)
: "icc0"
);
}
/*
* Use only for very small delays ( < 1 msec). Should probably use a
* lookup table, really, as the multiplications take much too long with
* short delays. This is a "reasonable" implementation, though (and the
* first constant multiplications gets optimized away if the delay is
* a constant)
*/
extern unsigned long loops_per_jiffy;
static inline void udelay(unsigned long usecs)
{
__delay(usecs * __delay_loops_MHz);
}
#define ndelay(n) udelay((n) * 5)
#endif /* _ASM_DELAY_H */