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-rw-r--r--src/core/hle/kernel/k_page_table.h54
1 files changed, 37 insertions, 17 deletions
diff --git a/src/core/hle/kernel/k_page_table.h b/src/core/hle/kernel/k_page_table.h
index 60ae9b9e8..54c6adf8d 100644
--- a/src/core/hle/kernel/k_page_table.h
+++ b/src/core/hle/kernel/k_page_table.h
@@ -5,11 +5,12 @@
#pragma once
#include <memory>
-#include <mutex>
+#include "common/common_funcs.h"
#include "common/common_types.h"
#include "common/page_table.h"
#include "core/file_sys/program_metadata.h"
+#include "core/hle/kernel/k_light_lock.h"
#include "core/hle/kernel/k_memory_block.h"
#include "core/hle/kernel/k_memory_manager.h"
#include "core/hle/result.h"
@@ -22,17 +23,21 @@ namespace Kernel {
class KMemoryBlockManager;
-class KPageTable final : NonCopyable {
+class KPageTable final {
public:
+ YUZU_NON_COPYABLE(KPageTable);
+ YUZU_NON_MOVEABLE(KPageTable);
+
explicit KPageTable(Core::System& system_);
+ ~KPageTable();
ResultCode InitializeForProcess(FileSys::ProgramAddressSpaceType as_type, bool enable_aslr,
VAddr code_addr, std::size_t code_size,
KMemoryManager::Pool pool);
ResultCode MapProcessCode(VAddr addr, std::size_t pages_count, KMemoryState state,
KMemoryPermission perm);
- ResultCode MapCodeMemory(VAddr dst_addr, VAddr src_addr, std::size_t size);
- ResultCode UnmapCodeMemory(VAddr dst_addr, VAddr src_addr, std::size_t size);
+ ResultCode MapCodeMemory(VAddr dst_address, VAddr src_address, std::size_t size);
+ ResultCode UnmapCodeMemory(VAddr dst_address, VAddr src_address, std::size_t size);
ResultCode UnmapProcessMemory(VAddr dst_addr, std::size_t size, KPageTable& src_page_table,
VAddr src_addr);
ResultCode MapPhysicalMemory(VAddr addr, std::size_t size);
@@ -41,7 +46,14 @@ public:
ResultCode UnmapMemory(VAddr dst_addr, VAddr src_addr, std::size_t size);
ResultCode MapPages(VAddr addr, KPageLinkedList& page_linked_list, KMemoryState state,
KMemoryPermission perm);
+ ResultCode MapPages(VAddr* out_addr, std::size_t num_pages, std::size_t alignment,
+ PAddr phys_addr, KMemoryState state, KMemoryPermission perm) {
+ return this->MapPages(out_addr, num_pages, alignment, phys_addr, true,
+ this->GetRegionAddress(state), this->GetRegionSize(state) / PageSize,
+ state, perm);
+ }
ResultCode UnmapPages(VAddr addr, KPageLinkedList& page_linked_list, KMemoryState state);
+ ResultCode UnmapPages(VAddr address, std::size_t num_pages, KMemoryState state);
ResultCode SetProcessMemoryPermission(VAddr addr, std::size_t size,
Svc::MemoryPermission svc_perm);
KMemoryInfo QueryInfo(VAddr addr);
@@ -86,6 +98,9 @@ private:
ResultCode InitializeMemoryLayout(VAddr start, VAddr end);
ResultCode MapPages(VAddr addr, const KPageLinkedList& page_linked_list,
KMemoryPermission perm);
+ ResultCode MapPages(VAddr* out_addr, std::size_t num_pages, std::size_t alignment,
+ PAddr phys_addr, bool is_pa_valid, VAddr region_start,
+ std::size_t region_num_pages, KMemoryState state, KMemoryPermission perm);
ResultCode UnmapPages(VAddr addr, const KPageLinkedList& page_linked_list);
bool IsRegionMapped(VAddr address, u64 size);
bool IsRegionContiguous(VAddr addr, u64 size) const;
@@ -97,8 +112,11 @@ private:
OperationType operation);
ResultCode Operate(VAddr addr, std::size_t num_pages, KMemoryPermission perm,
OperationType operation, PAddr map_addr = 0);
- constexpr VAddr GetRegionAddress(KMemoryState state) const;
- constexpr std::size_t GetRegionSize(KMemoryState state) const;
+ VAddr GetRegionAddress(KMemoryState state) const;
+ std::size_t GetRegionSize(KMemoryState state) const;
+
+ VAddr FindFreeArea(VAddr region_start, std::size_t region_num_pages, std::size_t num_pages,
+ std::size_t alignment, std::size_t offset, std::size_t guard_pages);
ResultCode CheckMemoryStateContiguous(std::size_t* out_blocks_needed, VAddr addr,
std::size_t size, KMemoryState state_mask,
@@ -132,7 +150,7 @@ private:
return CheckMemoryState(nullptr, nullptr, nullptr, out_blocks_needed, addr, size,
state_mask, state, perm_mask, perm, attr_mask, attr, ignore_attr);
}
- ResultCode CheckMemoryState(VAddr addr, size_t size, KMemoryState state_mask,
+ ResultCode CheckMemoryState(VAddr addr, std::size_t size, KMemoryState state_mask,
KMemoryState state, KMemoryPermission perm_mask,
KMemoryPermission perm, KMemoryAttribute attr_mask,
KMemoryAttribute attr,
@@ -142,11 +160,12 @@ private:
}
bool IsLockedByCurrentThread() const {
- return true;
+ return general_lock.IsLockedByCurrentThread();
}
- std::recursive_mutex page_table_lock;
- std::mutex map_physical_memory_lock;
+ mutable KLightLock general_lock;
+ mutable KLightLock map_physical_memory_lock;
+
std::unique_ptr<KMemoryBlockManager> block_manager;
public:
@@ -204,8 +223,8 @@ public:
constexpr VAddr GetAliasCodeRegionSize() const {
return alias_code_region_end - alias_code_region_start;
}
- size_t GetNormalMemorySize() {
- std::lock_guard lk(page_table_lock);
+ std::size_t GetNormalMemorySize() {
+ KScopedLightLock lk(general_lock);
return GetHeapSize() + mapped_physical_memory_size;
}
constexpr std::size_t GetAddressSpaceWidth() const {
@@ -247,7 +266,10 @@ public:
constexpr bool IsInsideASLRRegion(VAddr address, std::size_t size) const {
return !IsOutsideASLRRegion(address, size);
}
- constexpr PAddr GetPhysicalAddr(VAddr addr) {
+ constexpr std::size_t GetNumGuardPages() const {
+ return IsKernel() ? 1 : 4;
+ }
+ PAddr GetPhysicalAddr(VAddr addr) const {
const auto backing_addr = page_table_impl.backing_addr[addr >> PageBits];
ASSERT(backing_addr);
return backing_addr + addr;
@@ -268,10 +290,6 @@ private:
return is_aslr_enabled;
}
- constexpr std::size_t GetNumGuardPages() const {
- return IsKernel() ? 1 : 4;
- }
-
constexpr bool ContainsPages(VAddr addr, std::size_t num_pages) const {
return (address_space_start <= addr) &&
(num_pages <= (address_space_end - address_space_start) / PageSize) &&
@@ -303,6 +321,8 @@ private:
bool is_kernel{};
bool is_aslr_enabled{};
+ u32 heap_fill_value{};
+
KMemoryManager::Pool memory_pool{KMemoryManager::Pool::Application};
KMemoryManager::Direction allocation_option{KMemoryManager::Direction::FromFront};
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-19 04:23:34 +0200