[LinuxBIOS] [patch 2/5] New LAR access functions

[Stefan Reinauer]

jordan.crouse at amd.com wrote:

> In preparation for adding new LAR functionality - this patch consolidates
> creating and accessing the LAR into new code utilizing mmap which
> facilitates moving about within the archive. 
>
> This code also turns the bootblock path name as a constant value.
> It also requires that the user specify a size when the LAR is
> created.
>
> Signed-off-by: Jordan crouse <jordan.crouse at amd.com>

This code checks whether the target file already exists and fails if this is the case. 

I am not sure whether this is an intended behavior. When running "make" two times in a row, the second make fails now:

> Archive file ../linuxbios.rom already exists Unable to create
> ../linuxbios.rom as a LAR archive. make: ***
> [/home/stepan/svn/LinuxBIOSv3/build/linuxbios.rom] Error 1
I fixed this in the Makefile for now by deleting the output file before creating it.


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