How do you code these functions in MIPS?

int sum_odd_factorial(int n){

int sum = 0;

for(int i = 1; i <= n;i+=2)

sum += factorial(i);

return sum;

}

int factorial(int n)

{

int rv = 1;

for(int i = 1; i <= n;i++)

rv *= i;

return rv;

}