Changes

== IOSU ==

== IOSU ==

The Wii U's IOSU interacts with the OTP by setting it's respective Latte registers. In addition to this, the IOS-CRYPTO process is also able to access the OTP indirectly through syscall 0x22, which takes the OTP word index, a buffer to store the result and the requested size as parameters. The IOS-KERNEL then converts the word index:

The Wii U's IOSU interacts with the OTP by setting it's respective Latte registers. In addition to this, the IOS-CRYPTO process is also able to access the OTP indirectly through syscall 0x22, which takes the OTP word index, a buffer to store the result and the requested size as parameters. The IOS-KERNEL then converts the word index:

  read_otp(int index, void* out_buf, u32 size)

  int read_otp_internal(int index, void* out_buf, u32 size)

  {

  {

   generate_control_bits();

   generate_control_bits();

    

    

   // Internal IOS-KERNEL function.

   // Internal IOS-KERNEL function.

   read_otp(index, out_buf, size);

   read_otp_internal(index, out_buf, size);

  }

  }