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| author | felix.morgner@ost.ch <felix.morgner@gmail.com> | 2023-10-07 10:45:45 +0200 |
|---|---|---|
| committer | felix.morgner@ost.ch <felix.morgner@gmail.com> | 2023-10-07 10:45:45 +0200 |
| commit | 68db123a2f37a66aea218fa48a5bab8ea6b12951 (patch) | |
| tree | 911c21ba6ab3694ab6339186001a14c04fe889ea /cmake/Platforms | |
| parent | fa1f8636d2e2368c9cb446284946570565563f4f (diff) | |
| download | teachos-68db123a2f37a66aea218fa48a5bab8ea6b12951.tar.xz teachos-68db123a2f37a66aea218fa48a5bab8ea6b12951.zip | |
x86_64: implement first bootable kernel
Diffstat (limited to 'cmake/Platforms')
| -rw-r--r-- | cmake/Platforms/x86_64.cmake | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/cmake/Platforms/x86_64.cmake b/cmake/Platforms/x86_64.cmake new file mode 100644 index 0000000..9e727cf --- /dev/null +++ b/cmake/Platforms/x86_64.cmake @@ -0,0 +1,23 @@ +execute_process(COMMAND "x86_64-none-elf-g++" "-print-file-name=crtbegin.o" + OUTPUT_VARIABLE CRT_BEGIN + ERROR_QUIET +) +string(STRIP "${CRT_BEGIN}" CRT_BEGIN) +mark_as_advanced(CRT_BEGIN) + +string(REGEX REPLACE "/crtbegin.o" "" CMAKE_SYSROOT "${CRT_BEGIN}") +mark_as_advanced(CMAKE_SYSROOT) + +set(CMAKE_CXX_FLAGS_INIT "-m64 -mno-red-zone -mcmodel=large") +set(CMAKE_EXE_LINKER_FLAGS_INIT "-nostartfiles") +set(CMAKE_CXX_LINK_EXECUTABLE + "<CMAKE_CXX_COMPILER> \ + <FLAGS> \ + <CMAKE_CXX_LINK_FLAGS> \ + <LINK_FLAGS> \ + ${CMAKE_SYSROOT}/crtbegin.o \ + <OBJECTS> \ + -o <TARGET> \ + <LINK_LIBRARIES> \ + ${CMAKE_SYSROOT}/crtend.o" +) |