score: New macros and functions

New macros
  o _Objects_Maximum_per_allocation(),
  o rtems_resource_is_unlimited(), and
  o rtems_resource_maximum_per_allocation().

New function
  o _Objects_Is_unlimited().

4 files changed, 30 insertions, 5 deletions

diff --git a/cpukit/sapi/include/confdefs.h b/cpukit/sapi/include/confdefs.h
index ab8e473789..d896c59e82 100644
--- a/cpukit/sapi/include/confdefs.h
+++ b/cpukit/sapi/include/confdefs.h
@@ -954,7 +954,7 @@ rtems_fs_init_functions_t    rtems_fs_init_helper =
  *  for memory usage.
  */
 #define _Configure_Max_Objects(_max) \
-  ((_max) & ~RTEMS_UNLIMITED_OBJECTS)
+  rtems_resource_maximum_per_allocation(_max)
 
 /**
  *  This macro accounts for how memory for a set of configured objects is
diff --git a/cpukit/sapi/include/rtems/config.h b/cpukit/sapi/include/rtems/config.h
index 25ddfda421..407b19e825 100644
--- a/cpukit/sapi/include/rtems/config.h
+++ b/cpukit/sapi/include/rtems/config.h
@@ -37,6 +37,12 @@ extern "C" {
 #define rtems_resource_unlimited(resource) \
   ( resource | RTEMS_UNLIMITED_OBJECTS )
 
+#define rtems_resource_is_unlimited(resource) \
+  _Objects_Is_unlimited(resource)
+
+#define rtems_resource_maximum_per_allocation(resource) \
+  _Objects_Maximum_per_allocation(resource)
+
 /*
  *  This is kind of kludgy but it allows targets to totally ignore the
  *  optional APIs like POSIX safely.
diff --git a/cpukit/score/inline/rtems/score/object.inl b/cpukit/score/inline/rtems/score/object.inl
index ac07e68235..6a4fe21037 100644
--- a/cpukit/score/inline/rtems/score/object.inl
+++ b/cpukit/score/inline/rtems/score/object.inl
@@ -352,5 +352,25 @@ RTEMS_INLINE_ROUTINE void _Objects_Open_string(
   #endif
 }
 
+/**
+ *  Returns if the object maximum specifies unlimited objects.
+ *
+ *  @param[in] maximum The object maximum specification.
+ *
+ *  @retval true Unlimited objects are available.
+ *  @retval false The object count is fixed.
+ */
+RTEMS_INLINE_ROUTINE bool _Objects_Is_unlimited( uint32_t maximum )
+{
+  return (maximum & OBJECTS_UNLIMITED_OBJECTS) != 0;
+}
+
+/*
+ * We cannot use an inline function for this since it may be evaluated at
+ * compile time.
+ */
+#define _Objects_Maximum_per_allocation( maximum ) \
+  ((Objects_Maximum) ((maximum) & ~OBJECTS_UNLIMITED_OBJECTS))
+
 #endif
 /* end of include file */
diff --git a/cpukit/score/src/objectinitializeinformation.c b/cpukit/score/src/objectinitializeinformation.c
index 01e1f96d46..4ddb11b2cb 100644
--- a/cpukit/score/src/objectinitializeinformation.c
+++ b/cpukit/score/src/objectinitializeinformation.c
@@ -62,7 +62,7 @@ void _Objects_Initialize_information(
 {
   static Objects_Control *null_local_table = NULL;
   uint32_t                minimum_index;
-  uint32_t                maximum_per_allocation;
+  Objects_Maximum         maximum_per_allocation;
   #if defined(RTEMS_MULTIPROCESSING)
     uint32_t              index;
   #endif
@@ -92,9 +92,8 @@ void _Objects_Initialize_information(
   /*
    *  Are we operating in limited or unlimited (e.g. auto-extend) mode.
    */
-  information->auto_extend =
-        (maximum & OBJECTS_UNLIMITED_OBJECTS) ? true : false;
-  maximum_per_allocation = maximum & ~OBJECTS_UNLIMITED_OBJECTS;
+  information->auto_extend = _Objects_Is_unlimited( maximum );
+  maximum_per_allocation = _Objects_Maximum_per_allocation( maximum );
 
   /*
    *  Unlimited and maximum of zero is illogical.