diff options
Diffstat (limited to 'src/kernel/segmentmgr.C')
-rw-r--r-- | src/kernel/segmentmgr.C | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/kernel/segmentmgr.C b/src/kernel/segmentmgr.C index 3f43db965..c52b4de04 100644 --- a/src/kernel/segmentmgr.C +++ b/src/kernel/segmentmgr.C @@ -49,6 +49,12 @@ uint64_t SegmentManager::findPhysicalAddress(uint64_t i_vaddr) return Singleton<SegmentManager>::instance()._findPhysicalAddress(i_vaddr); } +void SegmentManager::updateRefCount( uint64_t i_vaddr, + PageTableManager::UsageStats_t i_stats ) +{ + Singleton<SegmentManager>::instance()._updateRefCount(i_vaddr,i_stats); +} + bool SegmentManager::_handlePageFault(task_t* i_task, uint64_t i_addr) { size_t segId = getSegmentIdFromAddress(i_addr); @@ -112,3 +118,18 @@ uint64_t SegmentManager::_findPhysicalAddress(uint64_t i_vaddr) const return paddr; } +void SegmentManager::_updateRefCount( uint64_t i_vaddr, + PageTableManager::UsageStats_t i_stats ) +{ + // This constant should come from page manager. Segment size. + const size_t SLBE_s = 40; + + // Get segment ID from effective address. + size_t segId = i_vaddr >> SLBE_s; + + // Call contained segment object to update the reference count + if ((segId < MAX_SEGMENTS) && (NULL != iv_segments[segId])) + { + iv_segments[segId]->updateRefCount( i_vaddr, i_stats ); + } +} |