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-rw-r--r--src/core/hle/kernel/transfer_memory.cpp99
1 files changed, 6 insertions, 93 deletions
diff --git a/src/core/hle/kernel/transfer_memory.cpp b/src/core/hle/kernel/transfer_memory.cpp
index 74514068e..765f408c3 100644
--- a/src/core/hle/kernel/transfer_memory.cpp
+++ b/src/core/hle/kernel/transfer_memory.cpp
@@ -2,10 +2,9 @@
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
-#include "core/hle/kernel/errors.h"
#include "core/hle/kernel/kernel.h"
+#include "core/hle/kernel/memory/page_table.h"
#include "core/hle/kernel/process.h"
-#include "core/hle/kernel/shared_memory.h"
#include "core/hle/kernel/transfer_memory.h"
#include "core/hle/result.h"
#include "core/memory.h"
@@ -22,13 +21,13 @@ TransferMemory::~TransferMemory() {
std::shared_ptr<TransferMemory> TransferMemory::Create(KernelCore& kernel,
Core::Memory::Memory& memory,
- VAddr base_address, u64 size,
- MemoryPermission permissions) {
+ VAddr base_address, std::size_t size,
+ Memory::MemoryPermission permissions) {
std::shared_ptr<TransferMemory> transfer_memory{
std::make_shared<TransferMemory>(kernel, memory)};
transfer_memory->base_address = base_address;
- transfer_memory->memory_size = size;
+ transfer_memory->size = size;
transfer_memory->owner_permissions = permissions;
transfer_memory->owner_process = kernel.CurrentProcess();
@@ -39,98 +38,12 @@ const u8* TransferMemory::GetPointer() const {
return memory.GetPointer(base_address);
}
-u64 TransferMemory::GetSize() const {
- return memory_size;
-}
-
-ResultCode TransferMemory::MapMemory(VAddr address, u64 size, MemoryPermission permissions) {
- if (memory_size != size) {
- return ERR_INVALID_SIZE;
- }
-
- if (owner_permissions != permissions) {
- return ERR_INVALID_STATE;
- }
-
- if (is_mapped) {
- return ERR_INVALID_STATE;
- }
-
- backing_block = std::make_shared<PhysicalMemory>(size);
-
- const auto map_state = owner_permissions == MemoryPermission::None
- ? MemoryState::TransferMemoryIsolated
- : MemoryState::TransferMemory;
- auto& vm_manager = owner_process->VMManager();
- const auto map_result = vm_manager.MapMemoryBlock(address, backing_block, 0, size, map_state);
- if (map_result.Failed()) {
- return map_result.Code();
- }
-
- is_mapped = true;
- return RESULT_SUCCESS;
-}
-
ResultCode TransferMemory::Reserve() {
- auto& vm_manager{owner_process->VMManager()};
- const auto check_range_result{vm_manager.CheckRangeState(
- base_address, memory_size, MemoryState::FlagTransfer | MemoryState::FlagMemoryPoolAllocated,
- MemoryState::FlagTransfer | MemoryState::FlagMemoryPoolAllocated, VMAPermission::All,
- VMAPermission::ReadWrite, MemoryAttribute::Mask, MemoryAttribute::None,
- MemoryAttribute::IpcAndDeviceMapped)};
-
- if (check_range_result.Failed()) {
- return check_range_result.Code();
- }
-
- auto [state_, permissions_, attribute] = *check_range_result;
-
- if (const auto result{vm_manager.ReprotectRange(
- base_address, memory_size, SharedMemory::ConvertPermissions(owner_permissions))};
- result.IsError()) {
- return result;
- }
-
- return vm_manager.SetMemoryAttribute(base_address, memory_size, MemoryAttribute::Mask,
- attribute | MemoryAttribute::Locked);
+ return owner_process->PageTable().ReserveTransferMemory(base_address, size, owner_permissions);
}
ResultCode TransferMemory::Reset() {
- auto& vm_manager{owner_process->VMManager()};
- if (const auto result{vm_manager.CheckRangeState(
- base_address, memory_size,
- MemoryState::FlagTransfer | MemoryState::FlagMemoryPoolAllocated,
- MemoryState::FlagTransfer | MemoryState::FlagMemoryPoolAllocated, VMAPermission::None,
- VMAPermission::None, MemoryAttribute::Mask, MemoryAttribute::Locked,
- MemoryAttribute::IpcAndDeviceMapped)};
- result.Failed()) {
- return result.Code();
- }
-
- if (const auto result{
- vm_manager.ReprotectRange(base_address, memory_size, VMAPermission::ReadWrite)};
- result.IsError()) {
- return result;
- }
-
- return vm_manager.SetMemoryAttribute(base_address, memory_size, MemoryAttribute::Mask,
- MemoryAttribute::None);
-}
-
-ResultCode TransferMemory::UnmapMemory(VAddr address, u64 size) {
- if (memory_size != size) {
- return ERR_INVALID_SIZE;
- }
-
- auto& vm_manager = owner_process->VMManager();
- const auto result = vm_manager.UnmapRange(address, size);
-
- if (result.IsError()) {
- return result;
- }
-
- is_mapped = false;
- return RESULT_SUCCESS;
+ return owner_process->PageTable().ResetTransferMemory(base_address, size);
}
} // namespace Kernel