diff options
| author | Joel Sherrill <joel.sherrill@OARcorp.com> | 1995-09-19 21:43:12 +0000 |
|---|---|---|
| committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 1995-09-19 21:43:12 +0000 |
| commit | 91a3554dedcf9b1495c15ef6af69bf2d940a5d80 (patch) | |
| tree | 9fb5839796274db1492a45072ea91685d9698803 /cpukit | |
| parent | Removed a section of code which was "#if 0"'ed. (diff) | |
| download | rtems-91a3554dedcf9b1495c15ef6af69bf2d940a5d80.tar.bz2 | |
Modifications from Tony Bennett accepted to return aligned block.
Diffstat (limited to 'cpukit')
| -rw-r--r-- | cpukit/score/include/rtems/score/heap.h | 10 | ||||
| -rw-r--r-- | cpukit/score/inline/rtems/score/heap.inl | 16 | ||||
| -rw-r--r-- | cpukit/score/macros/rtems/score/heap.inl | 12 |
3 files changed, 38 insertions, 0 deletions
diff --git a/cpukit/score/include/rtems/score/heap.h b/cpukit/score/include/rtems/score/heap.h index bf4a8dde6e..b0a2d57f39 100644 --- a/cpukit/score/include/rtems/score/heap.h +++ b/cpukit/score/include/rtems/score/heap.h @@ -278,6 +278,16 @@ STATIC INLINE Heap_Block *_Heap_Block_at( unsigned32 offset ); +/*PAGE + * + * _Heap_User_Block_at + * + */ + +STATIC INLINE Heap_Block *_Heap_User_Block_at( + void *base +); + /* * _Heap_Is_previous_block_free * diff --git a/cpukit/score/inline/rtems/score/heap.inl b/cpukit/score/inline/rtems/score/heap.inl index c28f1a6067..b3e04a1deb 100644 --- a/cpukit/score/inline/rtems/score/heap.inl +++ b/cpukit/score/inline/rtems/score/heap.inl @@ -94,6 +94,22 @@ STATIC INLINE Heap_Block *_Heap_Block_at( /*PAGE * + * _Heap_User_Block_at + * + */ + +STATIC INLINE Heap_Block *_Heap_User_Block_at( + void *base +) +{ + unsigned32 offset; + + offset = *(((unsigned32 *) base) - 1); + return _Heap_Block_at( base, -offset + -HEAP_BLOCK_USED_OVERHEAD); +} + +/*PAGE + * * _Heap_Is_previous_block_free * */ diff --git a/cpukit/score/macros/rtems/score/heap.inl b/cpukit/score/macros/rtems/score/heap.inl index 1023a77fc5..f04d69cdb6 100644 --- a/cpukit/score/macros/rtems/score/heap.inl +++ b/cpukit/score/macros/rtems/score/heap.inl @@ -70,6 +70,18 @@ /*PAGE * + * _Heap_User_Block_at + * + */ + +#define _Heap_User_Block_at( _base ) \ + _Heap_Block_at( \ + (_base), \ + -*(((unsigned32 *) (_base)) - 1) + -HEAP_BLOCK_USED_OVERHEAD \ + ) + +/*PAGE + * * _Heap_Is_previous_block_free */ |