gprof.cpp

/*
	This file is part of Fennix Kernel.

	Fennix Kernel 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.

	Fennix Kernel 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 Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
*/

#include <types.h>
#include <printf.h>
#include <uart.hpp>

#include "../kernel.h"

using namespace UniversalAsynchronousReceiverTransmitter;

static inline nsa NIF void gprof_uart_wrapper(char c, void *unused)
{
	UART(COM2).Write(c);
	UNUSED(unused);
}

EXTERNC nsa NIF void mcount(unsigned long frompc, unsigned long selfpc)
{
	// TODO: Implement
	/* https://docs.kernel.org/trace/ftrace-design.html */
	UNUSED(frompc);
	UNUSED(selfpc);
}