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//----------------------------------------------------------------------------------------------------//
//! @file libintr.c
//! API to manipulate interrupt controller and register user handlers for
//! interrupts in the system
//----------------------------------------------------------------------------------------------------//
#include <os_config.h>
#include <sys/syscall.h>
#include <sys/intr.h>

extern void* make_syscall (void *arg1, void *arg2, void *arg3, void *arg4, void *arg5, int syscall_num);

#ifdef CONFIG_INTC
unsigned int register_int_handler (int_id_t intr_id, void (*handler)(void*), void *callback)
{
    return (unsigned int) make_syscall ((void*) (unsigned int)intr_id, (void*)handler, (void*)callback, NULL, NULL, SC_REGISTER_INT_HANDLER);
}

void unregister_int_handler (int_id_t intr_id)
{
    make_syscall ((void*) (unsigned int) intr_id, NULL, NULL, NULL, NULL, SC_UNREGISTER_INT_HANDLER);
}

void enable_interrupt (int_id_t intr_id)
{
    make_syscall ((void*) (unsigned int) intr_id, NULL, NULL, NULL, NULL, SC_ENABLE_INTERRUPT);
}

void disable_interrupt (int_id_t intr_id)
{
    make_syscall ((void*) (unsigned int)intr_id, NULL, NULL, NULL, NULL, SC_DISABLE_INTERRUPT);
}

void acknowledge_interrupt (int_id_t intr_id)
{
    make_syscall ((void*) (unsigned int)intr_id, NULL, NULL, NULL, NULL, SC_ACKNOWLEDGE_INTERRUPT);
}
#endif /* CONFIG_INTC */