[Overview][Constants][Types][Procedures and functions][Variables][Index] Reference for unit 'go32' (#rtl)

get_linear_addr

Convert physical to linear address

Declaration

Source position: go32.pp line 96

function get_linear_addr(

  phys_addr: LongInt;

  size: LongInt

):LongInt;

Description

Converts a physical address into a linear address.

Parameters:

phys_addr
physical address of device.
size
Size of region to map in bytes.

Return value: Linear address that can be used to access the physical memory. Notes: It's the applications resposibility to allocate and set up a descriptor for access to the memory. This function shouldn't be used to map real mode addresses.

Errors

Check the int31error variable.

See also

allocate_ldt_descriptors

  

Allocate a number of descriptors

set_segment_limit

  

Set descriptor limit

set_segment_base_address

  

Set descriptor's base address


Documentation generated on: Mar 17 2017