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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 */
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