mirror of
https://github.com/FEX-Emu/linux.git
synced 2024-12-30 13:38:40 +00:00
76 lines
1.8 KiB
C
76 lines
1.8 KiB
C
/* smp.h: PPC specific SMP stuff.
|
|
*
|
|
* Original was a copy of sparc smp.h. Now heavily modified
|
|
* for PPC.
|
|
*
|
|
* Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
|
|
* Copyright (C) 1996-2001 Cort Dougan <cort@fsmlabs.com>
|
|
*/
|
|
#ifdef __KERNEL__
|
|
#ifndef _PPC_SMP_H
|
|
#define _PPC_SMP_H
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/bitops.h>
|
|
#include <linux/errno.h>
|
|
#include <linux/cpumask.h>
|
|
#include <linux/threads.h>
|
|
|
|
#ifdef CONFIG_SMP
|
|
|
|
#ifndef __ASSEMBLY__
|
|
|
|
struct cpuinfo_PPC {
|
|
unsigned long loops_per_jiffy;
|
|
unsigned long pvr;
|
|
unsigned long *pgd_cache;
|
|
unsigned long *pte_cache;
|
|
unsigned long pgtable_cache_sz;
|
|
};
|
|
|
|
extern struct cpuinfo_PPC cpu_data[];
|
|
extern cpumask_t cpu_online_map;
|
|
extern cpumask_t cpu_possible_map;
|
|
extern unsigned long smp_proc_in_lock[];
|
|
extern volatile unsigned long cpu_callin_map[];
|
|
extern int smp_tb_synchronized;
|
|
extern struct smp_ops_t *smp_ops;
|
|
|
|
extern void smp_send_tlb_invalidate(int);
|
|
extern void smp_send_xmon_break(int cpu);
|
|
struct pt_regs;
|
|
extern void smp_message_recv(int, struct pt_regs *);
|
|
|
|
extern int __cpu_disable(void);
|
|
extern void __cpu_die(unsigned int cpu);
|
|
extern void cpu_die(void) __attribute__((noreturn));
|
|
|
|
#define raw_smp_processor_id() (current_thread_info()->cpu)
|
|
|
|
extern int __cpu_up(unsigned int cpu);
|
|
|
|
extern int smp_hw_index[];
|
|
#define hard_smp_processor_id() (smp_hw_index[smp_processor_id()])
|
|
#define get_hard_smp_processor_id(cpu) (smp_hw_index[(cpu)])
|
|
#define set_hard_smp_processor_id(cpu, phys)\
|
|
(smp_hw_index[(cpu)] = (phys))
|
|
|
|
#endif /* __ASSEMBLY__ */
|
|
|
|
#else /* !(CONFIG_SMP) */
|
|
|
|
static inline void cpu_die(void) { }
|
|
#define get_hard_smp_processor_id(cpu) 0
|
|
#define set_hard_smp_processor_id(cpu, phys)
|
|
#define hard_smp_processor_id() 0
|
|
|
|
#endif /* !(CONFIG_SMP) */
|
|
|
|
#ifndef __ASSEMBLY__
|
|
extern int boot_cpuid;
|
|
extern int boot_cpuid_phys;
|
|
#endif
|
|
|
|
#endif /* !(_PPC_SMP_H) */
|
|
#endif /* __KERNEL__ */
|