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Copyright disclaimer and copyright note are prepending to a every source
file.
Add license section in the `README.md` file.
Create the `LICENSE` file with license information.
Signed-off-by: Alexey Gavrilov <alexey.gavrilov@mail.com>
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This correct refers to a wrong order of linking CRT objects.
When targets are separates into 4: CRTI, CRTBEGIN, CRTEND, CRTN
the order became a little bit correct.
TODO
- Image with grub bootloader creation
- Build under window platform (optional)
Signed-off-by: Alexey Gavrilov <alexey.gavrilov@mail.com>
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More convenient requirements checks way by CHECK_START message
argument.
Signed-off-by: Alexey Gavrilov <alexey.gavrilov@mail.com>
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Reinforce of compiler, C runtime, architecture checks at cmake
configuration.
Compiler check means continue building at the cmake configure
stage only for supported compilers. Use unsupported compiler
involves immediate build process stopping.
C runtime check means finding of runtime objects. Especially for
*crtbegin.o* and *crtend.o* files.
Architecture means *ObjectiveProject_ARCHITECTURE* variable is set.
That variable configure at toolchain file by default and cannot
override if toolchain file is passed.
TODO
- Image creation
- Build under window platform (optional)
Signed-off-by: Alexey Gavrilov <alexey.gavrilov@mail.com>
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Fix in *nasm* files - set architecture bitness.
Move compiler flags from *toolchain* file to *requirements target*
considering cmake files. This solution allows available of
multi-configurations generators to pass compiler options
without affecting on single-configuration generators.
TODO
- Debug information
- Image creation
- Build under window platform (optional)
Signed-off-by: Alexey Gavrilov <alexey.gavrilov@mail.com>
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Two toolchain files for clang and gcc compilers under x86 platform.
Debug flags also passed at the configure time.
Signed-off-by: Alexey Gavrilov <alexey.gavrilov@mail.com>
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Multi-target architecture implementation:
each root source code directory presents the one
*INTERFACE* target to it's subdirectory subtargets
that link only as *STATIC* library.
For instance, *arch* directory presents *Architecture* target
then *Architecture* target has *CPUID*, *IO*, *PORT*
and etc. dependencies
Exact order of linking targets is: boot.o CRTIBUNDLE <TARGETS> CRTNBUNDLE.
Sequence destruction cause to UB. Please to pay attention to this.
TODO
- Debug information
- Build type
- Toolchain file
- Image creation
- Build by WinGW compiler on Windows platform (optional)
Signed-off-by: Alexey Gavrilov <alexey.gavrilov@mail.com>
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