建立工程，成功创建两个虚拟串口

source/OpenAMP/libmetal/cmake/modules/FindHugeTLBFS.cmake

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+# FindHugeTLBFS
+# --------
+#
+# Find HugeTLBFS
+#
+# Find the native HugeTLBFS includes and library This module defines
+#
+# ::
+#
+#   HUGETLBFS_INCLUDE_DIR, where to find hugetlbfs.h, etc.
+#   HUGETLBFS_LIBRARIES, the libraries needed to use HugeTLBFS.
+#   HUGETLBFS_FOUND, If false, do not try to use HugeTLBFS.
+#
+# also defined, but not for general use are
+#
+# ::
+#
+#   HUGETLBFS_LIBRARY, where to find the HugeTLBFS library.
+
+find_path (HUGETLBFS_INCLUDE_DIR hugetlbfs.h)
+
+set (HUGETLBFS_NAMES ${HUGETLBFS_NAMES} hugetlbfs)
+find_library (HUGETLBFS_LIBRARY NAMES ${HUGETLBFS_NAMES})
+
+# handle the QUIETLY and REQUIRED arguments and set HUGETLBFS_FOUND to TRUE if
+# all listed variables are TRUE
+include (FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS (HUGETLBFS DEFAULT_MSG HUGETLBFS_LIBRARY HUGETLBFS_INCLUDE_DIR)
+
+if (HUGETLBFS_FOUND)
+  set (HUGETLBFS_LIBRARIES ${HUGETLBFS_LIBRARY})
+endif (HUGETLBFS_FOUND)
+
+mark_as_advanced (HUGETLBFS_LIBRARY HUGETLBFS_INCLUDE_DIR)

source/OpenAMP/libmetal/cmake/modules/FindLibRt.cmake

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+#.rst:
+# FindLibRt
+# --------
+#
+# Find the native realtime includes and library.
+#
+# IMPORTED Targets
+# ^^^^^^^^^^^^^^^^
+#
+# This module defines :prop_tgt:`IMPORTED` target ``LIBRT::LIBRT``, if
+# LIBRT has been found.
+#
+# Result Variables
+# ^^^^^^^^^^^^^^^^
+#
+# This module defines the following variables:
+#
+# ::
+#
+#   LIBRT_INCLUDE_DIRS  - where to find time.h, etc.
+#   LIBRT_LIBRARIES     - List of libraries when using librt.
+#   LIBRT_FOUND         - True if realtime library found.
+#
+# Hints
+# ^^^^^
+#
+# A user may set ``LIBRT_ROOT`` to a realtime installation root to tell this
+# module where to look.
+
+find_path(LIBRT_INCLUDE_DIRS
+  NAMES time.h
+  PATHS ${LIBRT_ROOT}/include/
+)
+find_library(LIBRT_LIBRARIES rt)
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(LibRt DEFAULT_MSG LIBRT_LIBRARIES LIBRT_INCLUDE_DIRS)
+mark_as_advanced(LIBRT_INCLUDE_DIRS LIBRT_LIBRARIES)
+
+if(LIBRT_FOUND)
+    if(NOT TARGET LIBRT::LIBRT)
+      add_library(LIBRT::LIBRT UNKNOWN IMPORTED)
+      set_target_properties(LIBRT::LIBRT PROPERTIES
+        IMPORTED_LOCATION "${LIBRT_LIBRARIES}"
+        INTERFACE_INCLUDE_DIRECTORIES "${LIBRT_INCLUDE_DIRS}")
+    endif()
+endif()

source/OpenAMP/libmetal/cmake/modules/FindLibSysFS.cmake

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+# FindLibSysFS
+# --------
+#
+# Find LibSysFS
+#
+# Find the native LibSysFS includes and library This module defines
+#
+# ::
+#
+#   LIBSYSFS_INCLUDE_DIR, where to find libsysfs.h, etc.
+#   LIBSYSFS_LIBRARIES, the libraries needed to use LibSysFS.
+#   LIBSYSFS_FOUND, If false, do not try to use LibSysFS.
+#
+# also defined, but not for general use are
+#
+# ::
+#
+#   LIBSYSFS_LIBRARY, where to find the LibSysFS library.
+
+find_path (LIBSYSFS_INCLUDE_DIR sysfs/libsysfs.h)
+
+set (LIBSYSFS_NAMES ${LIBSYSFS_NAMES} sysfs)
+find_library (LIBSYSFS_LIBRARY NAMES ${LIBSYSFS_NAMES})
+
+# handle the QUIETLY and REQUIRED arguments and set LIBSYSFS_FOUND to TRUE if
+# all listed variables are TRUE
+include (FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS (LIBSYSFS DEFAULT_MSG LIBSYSFS_LIBRARY LIBSYSFS_INCLUDE_DIR)
+
+if (LIBSYSFS_FOUND)
+  set (LIBSYSFS_LIBRARIES ${LIBSYSFS_LIBRARY})
+endif (LIBSYSFS_FOUND)
+
+mark_as_advanced (LIBSYSFS_LIBRARY LIBSYSFS_INCLUDE_DIR)