hash.cpp File Reference

Hash abstraction implementation for Midgard. More...

#include <yggdrasil.h>
#include <cpp/common/registers.hpp>
#include <cpp/common/attributes.hpp>
#include <cpp/common/types.hpp>
#include <cpp/common/utils.hpp>
#include <c/midgard/driver/hash.h>
#include <math.h>

Include dependency graph for hash.cpp:

Typedefs
using	DR = bsp::Register< 0x4002 '3000, RegisterMap::DR, u32 >
using	IDR = bsp::Register< 0x4002 '3000, RegisterMap::IDR, u32 >
using	CR = bsp::Register< 0x4002 '3000, RegisterMap::CR, u32 >
using	INIT = bsp::Register< 0x4002 '3000, RegisterMap::INIT, u32 >
using	POL = bsp::Register< 0x4002 '3000, RegisterMap::POL, u32 >

Enumerations
enum	RegisterMap : u8 {   RegisterMap::DR = 0x00, RegisterMap::IDR = 0x04, RegisterMap::CR = 0x08, RegisterMap::INIT = 0x10,   RegisterMap::POL = 0x14 }
	Register map. More...

Functions
C_LINKAGE bool	yggdrasil_HASH_Init (void)
	Hash initialization. More...
C_LINKAGE bool	yggdrasil_HASH_Deinit (void)
	Hash deinitialization. More...
C_LINKAGE u8	yggdrasil_HASH_getCRC8 (void *data, size_t size, u8 initValue, u8 polynomial, u8 xorOut)
	Hardware accelerated CRC8 caluclation. More...
C_LINKAGE u16	yggdrasil_HASH_getCRC16 (void *data, size_t size, u16 initValue, u16 polynomial, u16 xorOut)
	Hardware accelerated CRC16 caluclation. More...
C_LINKAGE u32	yggdrasil_HASH_getCRC32 (void *data, size_t size, u32 initValue, u32 polynomial, u32 xorOut)
	Hardware accelerated CRC32 caluclation. More...

Detailed Description

Hash abstraction implementation for Midgard.

Author

Fabian Weber, Nikolaij Saegesser

Typedef Documentation

CR

using CR = bsp::Register<0x4002'3000, RegisterMap::CR, u32>

DR

using DR = bsp::Register<0x4002'3000, RegisterMap::DR, u32>

IDR

using IDR = bsp::Register<0x4002'3000, RegisterMap::IDR, u32>

INIT

using INIT = bsp::Register<0x4002'3000, RegisterMap::INIT, u32>

POL

using POL = bsp::Register<0x4002'3000, RegisterMap::POL, u32>

Enumeration Type Documentation

RegisterMap

enum RegisterMap : u8

strong

Register map.

Enumerator
DR	Data register.
IDR	Independent data register.
CR	Control register.
INIT	Initial CRC value.
POL	CRC polynomial.

Function Documentation

yggdrasil_HASH_Deinit()

C_LINKAGE bool yggdrasil_HASH_Deinit

(

void

)

Hash deinitialization.

Returns

Success

yggdrasil_HASH_getCRC16()

C_LINKAGE u16 yggdrasil_HASH_getCRC16	(	void *	data,
		size_t	size,
		u16	initValue,
		u16	polynomial,
		u16	xorOut
	)

Hardware accelerated CRC16 caluclation.

Parameters

data	Data to calculate CRC of
size	Size of the data
initValue	Start value
polynomial	Used polynomial
xorOut	Value to xor result value with

Returns

CRC 16

yggdrasil_HASH_getCRC32()

C_LINKAGE u32 yggdrasil_HASH_getCRC32	(	void *	data,
		size_t	size,
		u32	initValue,
		u32	polynomial,
		u32	xorOut
	)

Hardware accelerated CRC32 caluclation.

Parameters

data	Data to calculate CRC of
size	Size of the data
initValue	Start value
polynomial	Used polynomial
xorOut	Value to xor result value with

Returns

CRC 32

yggdrasil_HASH_getCRC8()

C_LINKAGE u8 yggdrasil_HASH_getCRC8	(	void *	data,
		size_t	size,
		u8	initValue,
		u8	polynomial,
		u8	xorOut
	)

Hardware accelerated CRC8 caluclation.

Parameters

data	Data to calculate CRC of
size	Size of the data
initValue	Start value
polynomial	Used polynomial
xorOut	Value to xor result value with

Returns

CRC 8

yggdrasil_HASH_Init()

C_LINKAGE bool yggdrasil_HASH_Init

(

void

)

Hash initialization.

Returns

Success