Luna/libs/libc/src/luna/syscall.c

48 lines
1.6 KiB
C

#include <luna/syscall.h>
long int __luna_syscall0(long int sys_num)
{
long int result;
asm volatile("int $0x42" : "=a"(result) : "a"(sys_num));
return result;
}
long int __luna_syscall1(long int sys_num, unsigned long int arg0)
{
long int result;
asm volatile("int $0x42" : "=a"(result) : "a"(sys_num), "D"(arg0));
return result;
}
long int __luna_syscall2(long int sys_num, unsigned long int arg0, unsigned long int arg1)
{
long int result;
asm volatile("int $0x42" : "=a"(result) : "a"(sys_num), "D"(arg0), "S"(arg1));
return result;
}
long int __luna_syscall3(long int sys_num, unsigned long int arg0, unsigned long int arg1, unsigned long int arg2)
{
long int result;
asm volatile("int $0x42" : "=a"(result) : "a"(sys_num), "D"(arg0), "S"(arg1), "d"(arg2));
return result;
}
long int __luna_syscall4(long int sys_num, unsigned long int arg0, unsigned long int arg1, unsigned long int arg2,
unsigned long int arg3)
{
long int result;
register unsigned long int value0 asm("r10") = arg3;
asm volatile("int $0x42" : "=a"(result) : "a"(sys_num), "D"(arg0), "S"(arg1), "d"(arg2), "r"(value0));
return result;
}
long int __luna_syscall5(long int sys_num, unsigned long int arg0, unsigned long int arg1, unsigned long int arg2,
unsigned long int arg3, unsigned long int arg4)
{
long int result;
register unsigned long int value0 asm("r10") = arg3;
register unsigned long int value1 asm("r8") = arg4;
asm volatile("int $0x42" : "=a"(result) : "a"(sys_num), "D"(arg0), "S"(arg1), "d"(arg2), "r"(value0), "r"(value1));
return result;
}