// SPDX-License-Identifier: GPL-2.0
/*
* Smp support for CHRP machines .
*
* Written by Cort Dougan ( cort @ cs . nmt . edu ) borrowing a great
* deal of code from the sparc and intel versions .
*
* Copyright ( C ) 1999 Cort Dougan < cort @ cs . nmt . edu >
*
*/
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/smp.h>
#include <linux/interrupt.h>
#include <linux/kernel_stat.h>
#include <linux/delay.h>
#include <linux/spinlock.h>
#include <linux/pgtable.h>
#include <asm /ptrace.h>
#include <linux/atomic.h>
#include <asm /irq.h>
#include <asm /page.h>
#include <asm /sections.h>
#include <asm /io.h>
#include <asm /smp.h>
#include <asm /machdep.h>
#include <asm /mpic.h>
#include <asm /rtas.h>
static int smp_chrp_kick_cpu(int nr)
{
*(unsigned long *)KERNELBASE = nr;
asm volatile ("dcbf 0,%0" ::"r" (KERNELBASE):"memory" );
return 0 ;
}
static void smp_chrp_setup_cpu(int cpu_nr)
{
mpic_setup_this_cpu();
}
/* CHRP with openpic */
struct smp_ops_t chrp_smp_ops = {
.cause_nmi_ipi = NULL,
.message_pass = smp_mpic_message_pass,
.probe = smp_mpic_probe,
.kick_cpu = smp_chrp_kick_cpu,
.setup_cpu = smp_chrp_setup_cpu,
.give_timebase = rtas_give_timebase,
.take_timebase = rtas_take_timebase,
};
Messung V0.5 in Prozent C=95 H=5 G=67
¤ Dauer der Verarbeitung: 0.8 Sekunden
(vorverarbeitet am 2026-09-27)
¤
*© Formatika GbR, Deutschland