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#ifndef __ASM_IRQ_H
#define __ASM_IRQ_H
#define IRQ_STACK_SIZE THREAD_SIZE
#define IRQ_STACK_START_SP THREAD_START_SP
#ifndef __ASSEMBLER__
#include <linux/percpu.h>
#include <linux/sched/task_stack.h>
#include <asm-generic/irq.h>
#include <asm/thread_info.h>
struct pt_regs;
DECLARE_PER_CPU(unsigned long [IRQ_STACK_SIZE/sizeof(long)], irq_stack);
extern void set_handle_irq(void (*handle_irq)(struct pt_regs *));
static inline int nr_legacy_irqs(void)
{
return 0;
}
static inline bool on_irq_stack(unsigned long sp)
{
unsigned long low = (unsigned long)raw_cpu_ptr(irq_stack);
unsigned long high = low + IRQ_STACK_START_SP;
return (low <= sp && sp <= high);
}
static inline bool on_task_stack(struct task_struct *tsk, unsigned long sp)
{
unsigned long low = (unsigned long)task_stack_page(tsk);
unsigned long high = low + THREAD_SIZE;
return (low <= sp && sp < high);
}
#endif /* !__ASSEMBLER__ */
#endif
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