arch/avr8/include/arch/intc.h

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#ifndef ARCH_INTC_H_INCLUDED
#define ARCH_INTC_H_INCLUDED

#include <compiler.h>

#define intc_priv_entry_sym(id)         intc_priv_entry_irq##id
#define intc_priv_data_sym(id)          intc_priv_data_irq##id

/* Declaration of interrupts differs between compilers. */
#if defined(__GNUC__) || defined(__DOXYGEN__)

#define INTC_DEFINE_HANDLER(id, handler, level)         \
        extern void *intc_priv_data_sym(id);            \
        extern void __attribute__((__signal__))         \
                        intc_priv_entry_sym(id)(void);  \
        void intc_priv_entry_sym(id)(void)              \
        {                                               \
                handler(intc_priv_data_sym(id));        \
        }                                               \
        void *intc_priv_data_sym(id)

#elif defined(__ICCAVR__)

#define IAR_VECTOR(x) (4 * (x - 1))
#define INTC_DEFINE_HANDLER(id, handler, level)         \
        extern void *intc_priv_data_sym(id);            \
        COMPILER_PRAGMA(vector=IAR_VECTOR(id))          \
        __interrupt void intc_priv_entry_sym(id)(void)  \
        {                                               \
                handler(intc_priv_data_sym(id));        \
        }                                               \
        void *intc_priv_data_sym(id)

#endif /* __ICCAVR__ */

#define intc_set_irq_data(id, data)                     \
        do {                                            \
                extern void *intc_priv_data_sym(id);    \
                intc_priv_data_sym(id) = (data);        \
        } while (0)

#define intc_get_irq_data(id, pdata)                    \
        do {                                            \
                extern void *intc_priv_data_sym(id);    \
                *(pdata) = intc_priv_data_sym(id);      \
        } while (0)

#define intc_setup_handler(id, level, data)             \
        do {                                            \
                intc_set_irq_data(id, data);            \
        } while (0)

#define intc_remove_handler(id)                         \
        do {                                            \
                extern void *intc_priv_data_sym(id);    \
                intc_priv_data_sym(id) = 0;             \
        } while (0)


#endif /* ARCH_INTC_H_INCLUDED */

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