littleboot.h File Reference

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Classes
struct	fdt_header_t
struct	memory_region_t

Macros
#define	RASPBERRY_PI   1
#define	true   1
#define	false   0
#define	bool   char
#define	NULL   0
#define	MMIO_BASE   0x3F000000
#define	UART_BASE   (0x3F000000 + 0x201000)
#define	UART0_DR   ((volatile uint32_t*)(UART_BASE + 0x00))
#define	UART0_FR   ((volatile uint32_t*)(UART_BASE + 0x18))
#define	UART0_IBRD   ((volatile uint32_t*)(UART_BASE + 0x24))
#define	UART0_FBRD   ((volatile uint32_t*)(UART_BASE + 0x28))
#define	UART0_LCRH   ((volatile uint32_t*)(UART_BASE + 0x2C))
#define	UART0_CR   ((volatile uint32_t*)(UART_BASE + 0x30))
#define	UART0_IMSC   ((volatile uint32_t*)(UART_BASE + 0x38))
#define	UART0_ICR   ((volatile uint32_t*)(UART_BASE + 0x44))
#define	UARTFR   (UART_BASE + 0x18)
#define	UARTDR   (UART_BASE + 0x00)
#define	MAX_MEMORY_REGN   8
#define	RAW_OFFSET(type, x, offset)   (type)((size_t)x + offset)

Typedefs
typedef unsigned long long	uint64_t
typedef unsigned long long	uintptr_t
typedef unsigned char	uint8_t
typedef unsigned short	uint16_t
typedef unsigned int	uint32_t
typedef uint64_t	size_t

Functions
void	LBUartPutc (char c)
void	LBUartPutString (const char *s)
void	LBUartPrintHex (uint64_t val)
void	LBUartPrintInt (uint64_t value)
void	LBExceptionSetup ()

Macro Definition Documentation

bool

#define bool   char

false

#define false   0

MAX_MEMORY_REGN

#define MAX_MEMORY_REGN   8

MMIO_BASE

#define MMIO_BASE   0x3F000000

NULL

#define NULL   0

RASPBERRY_PI

#define RASPBERRY_PI   1

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.

RAW_OFFSET

#define RAW_OFFSET	(		type,
			x,
			offset
	)		(type)((size_t)x + offset)

true

#define true   1

UART0_CR

#define UART0_CR   ((volatile uint32_t*)(UART_BASE + 0x30))

UART0_DR

#define UART0_DR   ((volatile uint32_t*)(UART_BASE + 0x00))

UART0_FBRD

#define UART0_FBRD   ((volatile uint32_t*)(UART_BASE + 0x28))

UART0_FR

#define UART0_FR   ((volatile uint32_t*)(UART_BASE + 0x18))

UART0_IBRD

#define UART0_IBRD   ((volatile uint32_t*)(UART_BASE + 0x24))

UART0_ICR

#define UART0_ICR   ((volatile uint32_t*)(UART_BASE + 0x44))

UART0_IMSC

#define UART0_IMSC   ((volatile uint32_t*)(UART_BASE + 0x38))

UART0_LCRH

#define UART0_LCRH   ((volatile uint32_t*)(UART_BASE + 0x2C))

UART_BASE

#define UART_BASE   (0x3F000000 + 0x201000)

UARTDR

#define UARTDR   (UART_BASE + 0x00)

UARTFR

#define UARTFR   (UART_BASE + 0x18)

Typedef Documentation

size_t

typedef uint64_t size_t

uint16_t

typedef unsigned short uint16_t

uint32_t

typedef unsigned int uint32_t

uint64_t

typedef unsigned long long uint64_t

uint8_t

typedef unsigned char uint8_t

uintptr_t

typedef unsigned long long uintptr_t

Function Documentation

LBExceptionSetup()

void LBExceptionSetup ( )

extern

LBUartPrintHex()

void LBUartPrintHex ( uint64_t  val )

extern

LBUartPrintInt()

void LBUartPrintInt ( uint64_t  value )

extern

LBUartPutc()

void LBUartPutc ( char  c )

extern

LBUartPutString()

void LBUartPutString ( const char *  s )

extern