#include <linux/config.h> /* CONFIG_HEARTBEAT */ #include <linux/errno.h> #include <linux/sched.h> #include <linux/kernel.h> #include <linux/param.h> #include <linux/string.h> #include <linux/mm.h> #include <asm/machdep.h> #include <asm/io.h> #include <linux/timex.h> unsigned long m68k_get_rtc_time(void) { unsigned int year, mon, day, hour, min, sec; extern void arch_gettod(int *year, int *mon, int *day, int *hour, int *min, int *sec); arch_gettod (&year, &mon, &day, &hour, &min, &sec); if ((year += 1900) < 1970) year += 100; return mktime(year, mon, day, hour, min, sec); } int m68k_set_rtc_time(unsigned long nowtime) { if (mach_set_clock_mmss) return mach_set_clock_mmss (nowtime); return -1; } void apus_heartbeat (void) { #ifdef CONFIG_HEARTBEAT static unsigned cnt = 0, period = 0, dist = 0; if (cnt == 0 || cnt == dist) mach_heartbeat( 1 ); else if (cnt == 7 || cnt == dist+7) mach_heartbeat( 0 ); if (++cnt > period) { cnt = 0; /* The hyperbolic function below modifies the heartbeat period * length in dependency of the current (5min) load. It goes * through the points f(0)=126, f(1)=86, f(5)=51, * f(inf)->30. */ period = ((672<<FSHIFT)/(5*avenrun[0]+(7<<FSHIFT))) + 30; dist = period / 4; } #endif /* should be made smarter */ ppc_md.heartbeat_count = 1; }