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Diffstat (limited to 'doc/user/conf.t')
| -rw-r--r-- | doc/user/conf.t | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/doc/user/conf.t b/doc/user/conf.t index 23d8f2186c..ad5cc20e60 100644 --- a/doc/user/conf.t +++ b/doc/user/conf.t @@ -210,6 +210,20 @@ address of the RTEMS RAM Workspace. By default, this value is NULL indicating that the BSP is to determine the location of the RTEMS RAM Workspace. +@findex CONFIGURE_UNIFIED_WORK_AREAS +@item @code{CONFIGURE_UNIFIED_WORK_AREAS} configures RTEMS to use a +single memory pool for the RTEMS Workspace and C Program Heap. If not +defined, there will be separate memory pools for the RTEMS Workspace and +C Program Heap. Having separate pools does haved some advantages in the +event a task blows a stack or writes outside its memory area. However, +in low memory systems the overhead of the two pools plus the potential +for unused memory in either pool is very undesirable. + +In high memory environments, this is desirable when you want to use the +RTEMS "unlimited" objects option. You will be able to create objects +until you run out of all available memory rather then just until you +run out of RTEMS Workspace. + @item @code{CONFIGURE_MICROSECONDS_PER_TICK} is the length of time between clock ticks. By default, this is set to 10000 microseconds. |