From 6d2734a074f44a24129db850339677d8d7b436aa Mon Sep 17 00:00:00 2001 From: Subv Date: Fri, 21 Jul 2017 21:17:57 -0500 Subject: Kernel/Memory: Give each Process its own page table. The loader is in charge of setting the newly created process's page table as the main one during the loading process. --- src/core/hle/kernel/vm_manager.cpp | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) (limited to 'src/core/hle/kernel/vm_manager.cpp') diff --git a/src/core/hle/kernel/vm_manager.cpp b/src/core/hle/kernel/vm_manager.cpp index cef1f7fa8..7a007c065 100644 --- a/src/core/hle/kernel/vm_manager.cpp +++ b/src/core/hle/kernel/vm_manager.cpp @@ -56,6 +56,10 @@ void VMManager::Reset() { initial_vma.size = MAX_ADDRESS; vma_map.emplace(initial_vma.base, initial_vma); + page_table.pointers.fill(nullptr); + page_table.attributes.fill(Memory::PageType::Unmapped); + page_table.cached_res_count.fill(0); + UpdatePageTableForVMA(initial_vma); } @@ -328,16 +332,17 @@ VMManager::VMAIter VMManager::MergeAdjacent(VMAIter iter) { void VMManager::UpdatePageTableForVMA(const VirtualMemoryArea& vma) { switch (vma.type) { case VMAType::Free: - Memory::UnmapRegion(vma.base, vma.size); + Memory::UnmapRegion(page_table, vma.base, vma.size); break; case VMAType::AllocatedMemoryBlock: - Memory::MapMemoryRegion(vma.base, vma.size, vma.backing_block->data() + vma.offset); + Memory::MapMemoryRegion(page_table, vma.base, vma.size, + vma.backing_block->data() + vma.offset); break; case VMAType::BackingMemory: - Memory::MapMemoryRegion(vma.base, vma.size, vma.backing_memory); + Memory::MapMemoryRegion(page_table, vma.base, vma.size, vma.backing_memory); break; case VMAType::MMIO: - Memory::MapIoRegion(vma.base, vma.size, vma.mmio_handler); + Memory::MapIoRegion(page_table, vma.base, vma.size, vma.mmio_handler); break; } } -- cgit v1.2.3