doxygen: Add group for FreeBSD kernel header files

cpukit/doxygen/top-level-groups.h

@@ -58,6 +58,15 @@
  * @ingroup RTEMSImpl
  */
 
+/**
+ * @defgroup RTEMSImplFreeBSDKernel FreeBSD Kernel Space Support
+ *
+ * @ingroup RTEMSImpl
+ *
+ * @brief This group contains the interfaces used by FreeBSD kernel space
+ *   components ported to RTEMS.
+ */
+
 /**
  * @defgroup RTEMSTestSuites Test Suites
  *

cpukit/include/machine/_kernel_cpuset.h

@@ -3,6 +3,8 @@
 /**
  * @file
  *
+ * @ingroup RTEMSImplFreeBSDKernel
+ *
  * @brief This header file provides CPU set definitions for the kernel space
  *   (_KERNEL is defined before including <sys/cpuset.h>).
  */

cpukit/include/machine/_kernel_in.h

@@ -35,6 +35,8 @@
 /**
  * @file
  *
+ * @ingroup RTEMSImplFreeBSDKernel
+ *
  * @brief This header file provides IPv4 definitions for the kernel space
  *   (_KERNEL is defined before including <netinet/in.h>).
  */

cpukit/include/machine/_kernel_in6.h

@@ -34,6 +34,8 @@
 /**
  * @file
  *
+ * @ingroup RTEMSImplFreeBSDKernel
+ *
  * @brief This header file provides IPv6 definitions for the kernel space
  *   (_KERNEL is defined before including <netinet6/in6.h>).
  */

cpukit/include/machine/_kernel_mman.h

@@ -3,6 +3,8 @@
 /**
  * @file
  *
+ * @ingroup RTEMSImplFreeBSDKernel
+ *
  * @brief This header file provides memory map definitions for the kernel space
  *   (_KERNEL is defined before including <sys/mman.h>).
  */

cpukit/include/machine/_kernel_param.h

@@ -3,6 +3,8 @@
 /**
  * @file
  *
+ * @ingroup RTEMSImplFreeBSDKernel
+ *
  * @brief This header file provides parameter definitions for the kernel space
  *   (_KERNEL is defined before including <sys/param.h>).
  */

cpukit/include/machine/_kernel_time.h

@@ -37,6 +37,8 @@
 /**
  * @file
  *
+ * @ingroup RTEMSImplFreeBSDKernel
+ *
  * @brief This header file provides time definitions for the kernel space
  *   (_KERNEL is defined before including <sys/time.h>).
  */

cpukit/include/machine/_kernel_types.h

@@ -3,6 +3,8 @@
 /**
  * @file
  *
+ * @ingroup RTEMSImplFreeBSDKernel
+ *
  * @brief This header file provides type definitions for the kernel space
  *   (_KERNEL is defined before including <sys/types.h>).
  */

cpukit/include/machine/_kernel_uio.h

@@ -35,6 +35,8 @@
 /**
  * @file
  *
+ * @ingroup RTEMSImplFreeBSDKernel
+ *
  * @brief This header file provides device driver I/O definitions for the
  *   kernel space (_KERNEL is defined before including <sys/uio.h>).
  */