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/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_SMP_H #define __ASM_SMP_H extern int init_per_cpu(int cpuid); #if defined(CONFIG_SMP) /* Page Zero Location PDC will look for the address to branch to when we poke ** slave CPUs still in "Icache loop". */ #define PDC_OS_BOOT_RENDEZVOUS 0x10 #define PDC_OS_BOOT_RENDEZVOUS_HI 0x28 #ifndef ASSEMBLY #include <linux/bitops.h> #include <linux/threads.h> /* for NR_CPUS */ #include <linux/cpumask.h> typedef unsigned long address_t; /* * Private routines/data * * physical and logical are equivalent until we support CPU hotplug. */ #define cpu_number_map(cpu) (cpu) #define cpu_logical_map(cpu) (cpu) extern void smp_send_all_nop(void); extern void arch_send_call_function_single_ipi(int cpu); extern void arch_send_call_function_ipi_mask(const struct cpumask *mask); #define raw_smp_processor_id() (current_thread_info()->cpu) #endif /* !ASSEMBLY */ #else /* CONFIG_SMP */ static inline void smp_send_all_nop(void) { return; } #endif #define NO_PROC_ID 0xFF /* No processor magic marker */ #define ANY_PROC_ID 0xFF /* Any processor magic marker */ int __cpu_disable(void); void __cpu_die(unsigned int cpu); #endif /* __ASM_SMP_H */ |