uart.c File Reference

#include <Drivers/uart.h>
#include <Mm/vmmngr.h>
#include <aucon.h>
#include <va_list.h>
#include <stdarg.h>
#include <string.h>

Include dependency graph for uart.c:

Functions
void	UARTInitialize ()
	UARTInitialize – initialize uart serial output.
void	uartPutc (char c)
	uartPutc – put a single character to uart
void	uartPuts (const char *s)
	uartPuts –serial output interface
void	AuUartPutString (const char *s)
	LBUartPutString – print a string to UART.
void	UARTDebugOut_Call (const char *format, void *reg_save_area, void *entry_sp)
	UARTDebugOut – standard text printing function for early kernel using UART.

Variables
uint64_t *	uartMMIO
bool	_uart_mapped = false

Detailed Description

BSD 2-Clause License

Copyright (c) 2022-2025, Manas Kamal Choudhury All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Function Documentation

AuUartPutString()

void AuUartPutString ( const char *  s )

extern

LBUartPutString – print a string to UART.

Parameters

s	– String to print

UARTDebugOut_Call()

void UARTDebugOut_Call	(	const char *	format,
		void *	reg_save_area,
		void *	entry_sp
	)

UARTDebugOut – standard text printing function for early kernel using UART.

Parameters

text	– text to output

UARTInitialize()

void UARTInitialize

(

)

UARTInitialize – initialize uart serial output.

uartPutc()

void uartPutc

(

char

c

)

uartPutc – put a single character to uart

Parameters

c	– character to print

uartPuts()

void uartPuts

(

const char *

s

)

uartPuts –serial output interface

Parameters

s

– String

Variable Documentation

_uart_mapped

bool _uart_mapped = false

uartMMIO

uint64_t* uartMMIO