Differential D27270 Diff 79736 head/sys/arm/arm/machdep.c

Changeset View

Standalone View

head/sys/arm/arm/machdep.c

	Show First 20 Lines • Show All 42 Lines • ▼ Show 20 Lines
	* Created : 17/09/94			* Created : 17/09/94
	* Updated : 18/04/01 updated for new wscons			* Updated : 18/04/01 updated for new wscons
	*/			*/

	#include "opt_ddb.h"			#include "opt_ddb.h"
	#include "opt_kstack_pages.h"			#include "opt_kstack_pages.h"
	#include "opt_platform.h"			#include "opt_platform.h"
	#include "opt_sched.h"			#include "opt_sched.h"
	#include "opt_timer.h"

	#include <sys/cdefs.h>			#include <sys/cdefs.h>
	__FBSDID("$FreeBSD$");			__FBSDID("$FreeBSD$");

	#include <sys/param.h>			#include <sys/param.h>
	#include <sys/buf.h>			#include <sys/buf.h>
	#include <sys/bus.h>			#include <sys/bus.h>
	#include <sys/cons.h>			#include <sys/cons.h>
	▲ Show 20 Lines • Show All 239 Lines • ▼ Show 20 Lines
	}			}

	void			void
	cpu_idle(int busy)			cpu_idle(int busy)
	{			{

	CTR2(KTR_SPARE2, "cpu_idle(%d) at %d", busy, curcpu);			CTR2(KTR_SPARE2, "cpu_idle(%d) at %d", busy, curcpu);
	spinlock_enter();			spinlock_enter();
	#ifndef NO_EVENTTIMERS
	if (!busy)			if (!busy)
	cpu_idleclock();			cpu_idleclock();
	#endif
	if (!sched_runnable())			if (!sched_runnable())
	cpu_sleep(0);			cpu_sleep(0);
	#ifndef NO_EVENTTIMERS
	if (!busy)			if (!busy)
	cpu_activeclock();			cpu_activeclock();
	#endif
	spinlock_exit();			spinlock_exit();
	CTR2(KTR_SPARE2, "cpu_idle(%d) at %d done", busy, curcpu);			CTR2(KTR_SPARE2, "cpu_idle(%d) at %d done", busy, curcpu);
	}			}

	int			int
	cpu_idle_wakeup(int cpu)			cpu_idle_wakeup(int cpu)
	{			{

	return (0);			return (0);
	}			}

	#ifdef NO_EVENTTIMERS
	/*
	* Most ARM platforms don't need to do anything special to init their clocks
	* (they get intialized during normal device attachment), and by not defining a
	* cpu_initclocks() function they get this generic one. Any platform that needs
	* to do something special can just provide their own implementation, which will
	* override this one due to the weak linkage.
	*/
	void			void
	arm_generic_initclocks(void)
	{
	}
	__weak_reference(arm_generic_initclocks, cpu_initclocks);

	#else
	void
	cpu_initclocks(void)			cpu_initclocks(void)
	{			{

	#ifdef SMP			#ifdef SMP
	if (PCPU_GET(cpuid) == 0)			if (PCPU_GET(cpuid) == 0)
	cpu_initclocks_bsp();			cpu_initclocks_bsp();
	else			else
	cpu_initclocks_ap();			cpu_initclocks_ap();
	#else			#else
	cpu_initclocks_bsp();			cpu_initclocks_bsp();
	#endif			#endif
	}			}
	#endif

	#ifdef PLATFORM			#ifdef PLATFORM
	void			void
	arm_set_delay(delay_func impl, void arg)			arm_set_delay(delay_func impl, void arg)
	{			{

	KASSERT(impl != NULL, ("No DELAY implementation"));			KASSERT(impl != NULL, ("No DELAY implementation"));
	delay_impl = impl;			delay_impl = impl;
	▲ Show 20 Lines • Show All 965 Lines • Show Last 20 Lines