Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #ifndef __ASM_SMP_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #define __ASM_SMP_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) #include <linux/threads.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) #include <linux/cpumask.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #include <linux/bitops.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #include <asm/pal.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) /* HACK: Cabrio WHAMI return value is bogus if more than 8 bits used.. :-( */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) static __inline__ unsigned char
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) __hard_smp_processor_id(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 	register unsigned char __r0 __asm__("$0");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 	__asm__ __volatile__(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 		"call_pal %1 #whami"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 		: "=r"(__r0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 		:"i" (PAL_whami)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 		: "$1", "$22", "$23", "$24", "$25");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	return __r0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #ifdef CONFIG_SMP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #include <asm/irq.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) struct cpuinfo_alpha {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	unsigned long loops_per_jiffy;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	unsigned long last_asn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	int need_new_asn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	int asn_lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	unsigned long ipi_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	unsigned long prof_multiplier;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	unsigned long prof_counter;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	unsigned char mcheck_expected;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	unsigned char mcheck_taken;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	unsigned char mcheck_extra;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) } __attribute__((aligned(64)));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) extern struct cpuinfo_alpha cpu_data[NR_CPUS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #define hard_smp_processor_id()	__hard_smp_processor_id()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) #define raw_smp_processor_id()	(current_thread_info()->cpu)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) extern int smp_num_cpus;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) extern void arch_send_call_function_single_ipi(int cpu);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) #else /* CONFIG_SMP */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) #define hard_smp_processor_id()		0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) #define smp_call_function_on_cpu(func,info,wait,cpu)    ({ 0; })
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) #endif /* CONFIG_SMP */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) #define NO_PROC_ID	(-1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) #endif