#ifndef __LUNAIX_SYSCALL_H
#define __LUNAIX_SYSCALL_H

#include <arch/x86/vectors.h>

#define __SYSCALL_fork    1
#define __SYSCALL_yield   2
#define __SYSCALL_sbrk    3
#define __SYSCALL_brk     4
#define __SYSCALL_getpid     5
#define __SYSCALL_getppid    6
#define __SYSCALL_sleep    7
#define __SYSCALL__exit    8
#define __SYSCALL_wait    9

#define __SYSCALL_MAX     0x100

#ifndef __ASM__
void syscall_install();

static void* syscall(unsigned int callcode) {
    asm volatile(
        "int %0"
        ::"i"(LUNAIX_SYS_CALL), "D"(callcode)
        :"eax"
    );
}

#define asmlinkage __attribute__((regparm(0)))

#define __PARAM_MAP1(t1, p1) t1 p1
#define __PARAM_MAP2(t1, p1, ...) t1 p1, __PARAM_MAP1(__VA_ARGS__)
#define __PARAM_MAP3(t1, p1, ...) t1 p1, __PARAM_MAP2(__VA_ARGS__)
#define __PARAM_MAP4(t1, p1, ...) t1 p1, __PARAM_MAP3(__VA_ARGS__)
#define __PARAM_MAP5(t1, p1, ...) t1 p1, __PARAM_MAP4(__VA_ARGS__)
#define __PARAM_MAP6(t1, p1, ...) t1 p1, __PARAM_MAP5(__VA_ARGS__)

#define ___DOINT33(callcode, rettype)\
    int v;    \
    asm volatile (  \
        "int %1\n"    \
        :"=a"(v)    \
        :"i"(LUNAIX_SYS_CALL), "a"(callcode));  \
    return (rettype)v;     \

#define __DEFINE_LXSYSCALL(rettype, name) \
    asmlinkage rettype __lxsys_##name()

#define __DEFINE_LXSYSCALL1(rettype, name, t1, p1) \
    asmlinkage rettype __lxsys_##name(__PARAM_MAP1(t1, p1))

#define __DEFINE_LXSYSCALL2(rettype, name, t1, p1, t2, p2) \
    asmlinkage rettype __lxsys_##name(__PARAM_MAP2(t1, p1, t2, p2))

#define __DEFINE_LXSYSCALL3(rettype, name, t1, p1, t2, p2, t3, p3) \
    asmlinkage rettype __lxsys_##name(__PARAM_MAP3(t1, p1, t2, p2, t3, p3));

#define __DEFINE_LXSYSCALL4(rettype, name, t1, p1, t2, p2, t3, p3, t4, p4) \
    asmlinkage rettype __lxsys_##nam (__PARAM_MAP4(t1, p1, t2, p2, t3, p3, t4, p4))


#define __LXSYSCALL(rettype, name) \
    rettype name () { \
        ___DOINT33(__SYSCALL_##name, rettype) \
    }

#define __LXSYSCALL1(rettype, name, t1, p1) \
    rettype name (__PARAM_MAP1(t1, p1)) { \
        asm (""::"b"(p1)); \
        ___DOINT33(__SYSCALL_##name, rettype) \
    }

#define __LXSYSCALL2(rettype, name, t1, p1, t2, p2) \
    rettype name (__PARAM_MAP2(t1, p1, t2, p2)) { \
        asm ("\n"::"b"(p1), "c"(p2)); \
        ___DOINT33(__SYSCALL_##name, rettype) \
    }

#define __LXSYSCALL3(rettype, name, t1, p1, t2, p2, t3, p3) \
    rettype name (__PARAM_MAP3(t1, p1, t2, p2, t3, p3)) { \
        asm ("\n"::"b"(p1), "c"(p2), "d"(p3)); \
        ___DOINT33(__SYSCALL_##name, rettype) \
    }

#define __LXSYSCALL4(rettype, name, t1, p1, t2, p2, t3, p3, t4, p4) \
    rettype name (__PARAM_MAP3(t1, p1, t2, p2, t3, p3, t4, p4)) { \
        asm ("\n"::"b"(p1), "c"(p2), "d"(p3), "D"(p4)); \
        ___DOINT33(__SYSCALL_##name, rettype) \
    }
#endif
#endif /* __LUNAIX_SYSCALL_H */