INSANEMODE/yuzu-android
1
0
Fork 0
mirror of https://github.com/yuzu-emu/yuzu-android.git synced 2025-06-12 19:48:00 -05:00
Code Issues Packages Projects Releases Wiki Activity

Kernel/Memory: Give each Process its own page table.

Browse Source 
The loader is in charge of setting the newly created process's page table as the main one during the loading process.
This commit is contained in:
Subv
2017-07-21 21:17:57 -05:00
parent 5d0a1e7efd
commit 6d2734a074
9 changed files with 93 additions and 87 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
src/core/hle/kernel/vm_manager.cpp
View File

@ -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;
}
}