arch/x86_64: kernel build with Cmake - #19694
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arch_interface exists only for CONFIG_BUILD_PROTECTED, but x86_64 and arm64 referenced it for any non-flat build, breaking CMake configuration of kernel builds. Use the CONFIG_BUILD_PROTECTED guard as arm and risc-v do. Signed-off-by: raiden00pl <raiden00@railab.me> Assisted-by: Claude Code
CMAKE_LD was never set, so application link commands were invalid, and CMAKE_STRIP defaulted to plain 'strip', which removes the symbol and relocation tables required to load CONFIG_BINFMT_ELF_RELOCATABLE binaries. Use the host linker and 'strip --strip-unneeded' as on the other architectures. Signed-off-by: raiden00pl <raiden00@railab.me> Assisted-by: Claude Code
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Arch: arm64
Match the Application.mk install rule: keep the application attribute symbols (nx_stacksize etc.) through strip as NX_KEEP does, and mark the installed binaries executable, since ld -r output is not and filesystem images built from bin/ refuse to exec. Signed-off-by: raiden00pl <raiden00@railab.me> Assisted-by: Claude Code
The CMake build compiled no ROMFS source, so kernel-mode configurations (knsh_romfs) failed to link with undefined references to romfs_img. Generate the ROMFS image from the applications in <build>/bin with genromfs/xxd and compile it into the board library; other configurations keep the empty stub. Signed-off-by: raiden00pl <raiden00@railab.me> Assisted-by: Claude Code
The CMake build does not need the manual export/import/mkromfsimg steps: applications and the ROMFS image are generated by the normal build. Document the CMake invocation and how to run the image. Signed-off-by: raiden00pl <raiden00@railab.me> Assisted-by: Claude Code
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Summary
Impact
kernel build works now with cmake
Testing
kernel build automate tests with ntfc