#pypp 0
// Iris: micro-kernel for a capability-based operating system.
// boot-programs/init.hhp: interface for init task.
// Copyright 2009 Bas Wijnen <wijnen@debian.org>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

#ifndef __INIT_HH
#define __INIT_HH

#include "iris.hh"

struct Init : public Kernel::Cap:
	Init (Kernel::Cap c = Kernel::Cap ()) : Kernel::Cap (c):
	enum request:
		REGISTER_GPIO = 0x1000
		REGISTER_LCD
	enum protected_codes:
		GPIO_KEYBOARD = 32
		GPIO_TOUCHPAD
		GPIO_LOCKLEDS
		GPIO_PWM
		LCD_SET_EOF_CB
		LOG
	void register_gpio ():
		Kernel::Caps c = Kernel::my_memory.create_caps (4)
		unsigned slot = c.use ()
		Kernel::set_recv_arg (Kernel::Cap (slot, 0))
		Kernel::my_receiver.create_capability (GPIO_KEYBOARD)
		Kernel::set_recv_arg (Kernel::Cap (slot, 1))
		Kernel::my_receiver.create_capability (GPIO_TOUCHPAD)
		Kernel::set_recv_arg (Kernel::Cap (slot, 2))
		Kernel::my_receiver.create_capability (GPIO_LOCKLEDS)
		Kernel::set_recv_arg (Kernel::Cap (slot, 3))
		Kernel::my_receiver.create_capability (GPIO_PWM)
		ocall (c, CAP_MASTER_DIRECT | REGISTER_GPIO)
		Kernel::my_memory.destroy (c)
		Kernel::free_cap (c)
		Kernel::free_slot (slot)
	void register_lcd ():
		Kernel::Caps c = Kernel::my_memory.create_caps (1)
		unsigned slot = c.use ()
		Kernel::set_recv_arg (Kernel::Cap (slot, 0))
		Kernel::my_receiver.create_capability (LCD_SET_EOF_CB)
		ocall (c, CAP_MASTER_DIRECT | REGISTER_LCD)
		Kernel::my_memory.destroy (c)
		Kernel::free_cap (c)
		Kernel::free_slot (slot)
#endif