addressing.cpp File Reference

Provides helper macros for address management. More...

#include <memoryManagement/addressing.h>
#include <CCRCodingUtils/include/errorManagement.h>
#include <unistd.h>
#include <fcntl.h>
#include <inttypes.h>

Functions
int	addrVirtToPhys (void *virtAddr, uintptr_t *physAddrRet)
	Gets the physical address corresponding to the provided virtual address. More...

Variables
uintptr_t	peripheralsBaseAddressPhys = PERIPHERAL_BASE_ADDR_PHYS_RPI2
	Physical base address of the peripherals memory area.

Detailed Description

Provides helper macros for address management.

see BCM 2835 pag 4 and following.

See also the doc at addressing.h for some infos

Function Documentation

int addrVirtToPhys	(	void *	virtAddr,
		uintptr_t *	physAddrRet
	)

Gets the physical address corresponding to the provided virtual address.

Parameters

virtAddr	The virtuall address to convert
physAddrRet	The physical address is rturned here

Returns

0 for success, negative for error, 1 if the virtual address isn't in ram