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The base-hw kernel on x86_64 currently assumes 254 MiB of RAM. The RAM region is subtracted from the I/O mem allocator and therefore this range is not available for device I/O. If qemu is started with -m 128, the region for (emulated) PCI config space access lies within this region and I/O mem allocation in the pci_drv will fail. Giving qemu more RAM moves the PCI config space out of the 254 MiB region, making the run/libc_ffat scenario with acpi work.
This directory contains tools for managing and using the source code of Genode. :'create_builddir' The 'create_builddir' tool provides a convenient way to create build directories for different platforms. Its usage information is printed when starting the tool without arguments. :'builddir/': This directory contains a Makefile template and configuration snippets used by the 'create_builddir' tool. :'tool_chain': This tool downloads, builds, and installs the tool chain needed to build the Genode OS Framework. For getting usage information, start the tool without arguments. :'create_iso': This simple tool helps to build bootable ISO images from your build of Genode. For getting usage information, start the tool without arguments. :'create_grub2': This tool prepares a partitioned disk image with GRUB2 as boot loader. :'grub2-head.img': This file is the head part of a partioned disk image including an installation of GRUB2 as boot loader. GRUB2 is available from http://www.gnu.org/software/grub/ and in major Linux distributions. Steps to reproduce the image creation can be found in 'create_grub2'. :'beautify': Beautify is a coding-style checking tool that analyzes source code for its adherence to Genode's coding style as described in 'doc/coding_style.txt'. Whenever possible, the tool tries to fix the issues and outputs a corrected file. Some corrections, however, require human interaction. In this case, the tool stops the analysis with an error. :'parse_cxx': This tool is a C++ parser used as front-end for Beautify. :'cxx_to_html': This tool converts a C++ source file to a HTML view to be used for the API documentation at the genode.org website. It relies on 'parse_cxx' to do the actual C++ parsing. :'fix_include_ifndef': This tool helps with assigning consistent include guards to header files. :'boot': This directory contains boot-loader files needed to create boot images. :'autopilot': Autopilot is a tool for the automatic execution of run scripts among multiple base platforms. :'prepare.mk': Tool for downloading and integrating 3rd-party source codes with Genode. This file is included by the makefiles in the root of source-code repositories that interface with 3rd-party code, e.g., libports and ports.