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-rw-r--r--src/kernel/block.C9
1 files changed, 6 insertions, 3 deletions
diff --git a/src/kernel/block.C b/src/kernel/block.C
index 9a38ba3b0..68db26a95 100644
--- a/src/kernel/block.C
+++ b/src/kernel/block.C
@@ -72,7 +72,10 @@ bool Block::handlePageFault(task_t* i_task, uint64_t i_addr)
iv_nextBlock->handlePageFault(i_task, i_addr) : false);
}
- ShadowPTE* pte = getPTE(i_addr);
+ // Calculate page aligned virtual address.
+ uint64_t l_addr_palign = (i_addr / PAGESIZE) * PAGESIZE;
+
+ ShadowPTE* pte = getPTE(l_addr_palign);
if (!pte->isPresent())
{
@@ -91,7 +94,7 @@ bool Block::handlePageFault(task_t* i_task, uint64_t i_addr)
}
//Send message to handler to read page
this->iv_msgHdlr->sendMessage(MSG_MM_RP_READ,
- reinterpret_cast<void*>(i_addr),l_page,i_task);
+ reinterpret_cast<void*>(l_addr_palign),l_page,i_task);
//Done(waiting for response)
return true;
}
@@ -111,7 +114,7 @@ bool Block::handlePageFault(task_t* i_task, uint64_t i_addr)
// Add page table entry.
PageTableManager::addEntry(
- (i_addr / PAGESIZE) * PAGESIZE,
+ l_addr_palign,
pte->getPage(),
(pte->isExecutable() ? VmmManager::RO_EXE_ACCESS :
(pte->isWritable() ? VmmManager::NORMAL_ACCESS :
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