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#ifndef __ARM_PERCPU_H__
#define __ARM_PERCPU_H__
#ifndef __ASSEMBLY__
#include <xen/types.h>
#include <asm/cpregs.h>
#if defined(CONFIG_ARM_32)
# include <asm/arm32/processor.h>
#elif defined(CONFIG_ARM_64)
# include <asm/arm64/processor.h>
#else
# error "unknown ARM variant"
#endif
extern char __per_cpu_start[], __per_cpu_data_end[];
extern unsigned long __per_cpu_offset[NR_CPUS];
void percpu_init_areas(void);
/* Separate out the type, so (int[3], foo) works. */
#define __DEFINE_PER_CPU(type, name, suffix) \
__section(".bss.percpu" #suffix) \
__typeof__(type) per_cpu_##name
#define per_cpu(var, cpu) \
(*RELOC_HIDE(&per_cpu__##var, __per_cpu_offset[cpu]))
#define __get_cpu_var(var) \
(*RELOC_HIDE(&per_cpu__##var, READ_SYSREG(TPIDR_EL2)))
#define DECLARE_PER_CPU(type, name) extern __typeof__(type) per_cpu__##name
DECLARE_PER_CPU(unsigned int, cpu_id);
#define get_processor_id() (this_cpu(cpu_id))
#define set_processor_id(id) do { \
WRITE_SYSREG(__per_cpu_offset[id], TPIDR_EL2); \
this_cpu(cpu_id) = (id); \
} while(0)
#endif
#endif /* __ARM_PERCPU_H__ */
/*
* Local variables:
* mode: C
* c-file-style: "BSD"
* c-basic-offset: 4
* indent-tabs-mode: nil
* End:
*/
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