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authorbunnei <bunneidev@gmail.com>2022-03-26 09:49:34 +0100
committerbunnei <bunneidev@gmail.com>2022-03-26 09:49:34 +0100
commit9408100a80b88b0e9d5df0223c5a5bf5d0b5b45f (patch)
treeaacfa7e49e5466f8cd7cbcb302e871e3b21a032b /src/core
parenthle: kernel: k_page_table: Implement LockMemoryAndOpen & UnlockMemory. (diff)
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Diffstat (limited to 'src/core')
-rw-r--r--src/core/hle/kernel/k_page_table.cpp60
1 files changed, 12 insertions, 48 deletions
diff --git a/src/core/hle/kernel/k_page_table.cpp b/src/core/hle/kernel/k_page_table.cpp
index e47d9ce29..599013cf6 100644
--- a/src/core/hle/kernel/k_page_table.cpp
+++ b/src/core/hle/kernel/k_page_table.cpp
@@ -1682,57 +1682,21 @@ ResultCode KPageTable::UnlockForDeviceAddressSpace(VAddr addr, std::size_t size)
}
ResultCode KPageTable::LockForCodeMemory(VAddr addr, std::size_t size) {
- KScopedLightLock lk(general_lock);
-
- KMemoryPermission new_perm = KMemoryPermission::NotMapped | KMemoryPermission::KernelReadWrite;
-
- KMemoryPermission old_perm{};
-
- if (const ResultCode result{CheckMemoryState(
- nullptr, &old_perm, nullptr, nullptr, addr, size, KMemoryState::FlagCanCodeMemory,
- KMemoryState::FlagCanCodeMemory, KMemoryPermission::All,
- KMemoryPermission::UserReadWrite, KMemoryAttribute::All, KMemoryAttribute::None)};
- result.IsError()) {
- return result;
- }
-
- new_perm = (new_perm != KMemoryPermission::None) ? new_perm : old_perm;
-
- block_manager->UpdateLock(
- addr, size / PageSize,
- [](KMemoryBlockManager::iterator block, KMemoryPermission permission) {
- block->ShareToDevice(permission);
- },
- new_perm);
-
- return ResultSuccess;
+ return this->LockMemoryAndOpen(
+ nullptr, nullptr, addr, size, KMemoryState::FlagCanCodeMemory,
+ KMemoryState::FlagCanCodeMemory, KMemoryPermission::All, KMemoryPermission::UserReadWrite,
+ KMemoryAttribute::All, KMemoryAttribute::None,
+ static_cast<KMemoryPermission>(KMemoryPermission::NotMapped |
+ KMemoryPermission::KernelReadWrite),
+ KMemoryAttribute::Locked);
}
ResultCode KPageTable::UnlockForCodeMemory(VAddr addr, std::size_t size) {
- KScopedLightLock lk(general_lock);
-
- KMemoryPermission new_perm = KMemoryPermission::UserReadWrite;
-
- KMemoryPermission old_perm{};
-
- if (const ResultCode result{CheckMemoryState(
- nullptr, &old_perm, nullptr, nullptr, addr, size, KMemoryState::FlagCanCodeMemory,
- KMemoryState::FlagCanCodeMemory, KMemoryPermission::None, KMemoryPermission::None,
- KMemoryAttribute::All, KMemoryAttribute::Locked)};
- result.IsError()) {
- return result;
- }
-
- new_perm = (new_perm != KMemoryPermission::None) ? new_perm : old_perm;
-
- block_manager->UpdateLock(
- addr, size / PageSize,
- [](KMemoryBlockManager::iterator block, KMemoryPermission permission) {
- block->UnshareToDevice(permission);
- },
- new_perm);
-
- return ResultSuccess;
+ return this->UnlockMemory(addr, size, KMemoryState::FlagCanCodeMemory,
+ KMemoryState::FlagCanCodeMemory, KMemoryPermission::None,
+ KMemoryPermission::None, KMemoryAttribute::All,
+ KMemoryAttribute::Locked, KMemoryPermission::UserReadWrite,
+ KMemoryAttribute::Locked, nullptr);
}
ResultCode KPageTable::InitializeMemoryLayout(VAddr start, VAddr end) {