1 /* SPDX-License-Identifier: GPL-2.0 */
5 extern int init_per_cpu(int cpuid);
7 #if defined(CONFIG_SMP)
9 /* Page Zero Location PDC will look for the address to branch to when we poke
10 ** slave CPUs still in "Icache loop".
12 #define PDC_OS_BOOT_RENDEZVOUS 0x10
13 #define PDC_OS_BOOT_RENDEZVOUS_HI 0x28
16 #include <linux/bitops.h>
17 #include <linux/threads.h> /* for NR_CPUS */
18 #include <linux/cpumask.h>
19 typedef unsigned long address_t;
23 * Private routines/data
25 * physical and logical are equivalent until we support CPU hotplug.
27 #define cpu_number_map(cpu) (cpu)
28 #define cpu_logical_map(cpu) (cpu)
30 extern void smp_send_all_nop(void);
32 extern void arch_send_call_function_single_ipi(int cpu);
33 extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
35 #endif /* !ASSEMBLY */
37 #define raw_smp_processor_id() (current_thread_info()->cpu)
39 #else /* CONFIG_SMP */
41 static inline void smp_send_all_nop(void) { return; }
45 #define NO_PROC_ID 0xFF /* No processor magic marker */
46 #define ANY_PROC_ID 0xFF /* Any processor magic marker */
47 static inline int __cpu_disable (void) {
50 static inline void __cpu_die (unsigned int cpu) {
55 #endif /* __ASM_SMP_H */