diff options
Diffstat (limited to 'src/kernel/block.C')
| -rw-r--r-- | src/kernel/block.C | 43 |
1 files changed, 40 insertions, 3 deletions
diff --git a/src/kernel/block.C b/src/kernel/block.C index 1402bd60a..59a7892f2 100644 --- a/src/kernel/block.C +++ b/src/kernel/block.C @@ -32,7 +32,7 @@ #include <kernel/vmmmgr.H> #include <kernel/ptmgr.H> #include <kernel/pagemgr.H> -//#include <kernel/console.H> +#include <kernel/console.H> Block::~Block() { @@ -235,6 +235,7 @@ void Block::setPageAllocateFromZero(uint64_t i_vAddr) else { // No block owns this address. Code bug. + printk("setPageAllocateFromZero> i_vaddr=0x%.lX\n", i_vAddr ); kassert(iv_nextBlock); } return; @@ -247,10 +248,10 @@ void Block::setPageAllocateFromZero(uint64_t i_vAddr) void Block::releaseAllPages() { - // Release all pages from page table. + // Release all pages from page table. PageTableManager::delRangeVA(iv_baseAddr, iv_baseAddr + iv_size); - // Free all pages back to page manager. + // Free all pages back to page manager. for(uint64_t page = iv_baseAddr; page < (iv_baseAddr + iv_size); page += PAGESIZE) @@ -264,3 +265,39 @@ void Block::releaseAllPages() } } } + +void Block::updateRefCount( uint64_t i_vaddr, + PageTableManager::UsageStats_t i_stats ) +{ + // Check containment, call down chain if address isn't in this block. + if (!isContained(i_vaddr)) + { + if (iv_nextBlock) + { + iv_nextBlock->updateRefCount(i_vaddr, i_stats); + } + else + { + // No block owns this address. Code bug. + printk("updateRefCount> i_vaddr=0x%.lX\n", i_vaddr ); + kassert(iv_nextBlock); + } + return; + } + + ShadowPTE* spte = getPTE(i_vaddr); + + // Adjust the LRU statistics + if( i_stats.R ) + { + spte->zeroLRU(); + } + else + { + spte->incLRU(); + } + + // track the changed/dirty bit + spte->setDirty( i_stats.C ); + +} |
