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-rw-r--r--src/core/hle/kernel/process.cpp14
-rw-r--r--src/core/hle/kernel/process.h23
-rw-r--r--src/core/hle/kernel/svc.cpp32
-rw-r--r--src/core/hle/kernel/vm_manager.cpp5
-rw-r--r--src/core/hle/kernel/vm_manager.h4
5 files changed, 42 insertions, 36 deletions
diff --git a/src/core/hle/kernel/process.cpp b/src/core/hle/kernel/process.cpp
index 51245cbb4..b0690be34 100644
--- a/src/core/hle/kernel/process.cpp
+++ b/src/core/hle/kernel/process.cpp
@@ -129,20 +129,16 @@ u64 Process::GetTotalPhysicalMemoryAvailable() const {
return vm_manager.GetTotalPhysicalMemoryAvailable();
}
-u64 Process::GetTotalPhysicalMemoryAvailableWithoutMmHeap() const {
- // TODO: Subtract the personal heap size from this when the
- // personal heap is implemented.
- return GetTotalPhysicalMemoryAvailable();
+u64 Process::GetTotalPhysicalMemoryAvailableWithoutSystemResource() const {
+ return GetTotalPhysicalMemoryAvailable() - GetSystemResourceSize();
}
u64 Process::GetTotalPhysicalMemoryUsed() const {
- return vm_manager.GetCurrentHeapSize() + main_thread_stack_size + code_memory_size;
+ return vm_manager.GetCurrentHeapSize() + main_thread_stack_size + code_memory_size + GetSystemResourceUsage();
}
-u64 Process::GetTotalPhysicalMemoryUsedWithoutMmHeap() const {
- // TODO: Subtract the personal heap size from this when the
- // personal heap is implemented.
- return GetTotalPhysicalMemoryUsed();
+u64 Process::GetTotalPhysicalMemoryUsedWithoutSystemResource() const {
+ return GetTotalPhysicalMemoryUsed() - GetSystemResourceUsage();
}
void Process::RegisterThread(const Thread* thread) {
diff --git a/src/core/hle/kernel/process.h b/src/core/hle/kernel/process.h
index b0e795577..3196014da 100644
--- a/src/core/hle/kernel/process.h
+++ b/src/core/hle/kernel/process.h
@@ -173,6 +173,21 @@ public:
return system_resource_size;
}
+ /// Gets the amount of secure memory currently in use for memory management.
+ u32 GetSystemResourceUsage() const {
+ // On hardware, this returns the amount of system resource memory that has
+ // been used by the kernel. This is problematic for Yuzu to emulate, because
+ // system resource memory is used for page tables -- and yuzu doesn't really
+ // have a way to calculate how much memory is required for page tables for
+ // the current process at any given time.
+ // TODO: Is this even worth implementing? Games may retrieve this value via
+ // an SDK function that gets used + available system resource size for debug
+ // or diagnostic purposes. However, it seems unlikely that a game would make
+ // decisions based on how much system memory is dedicated to its page tables.
+ // Is returning a value other than zero wise?
+ return 0;
+ }
+
/// Whether this process is an AArch64 or AArch32 process.
bool Is64BitProcess() const {
return is_64bit_process;
@@ -197,15 +212,15 @@ public:
u64 GetTotalPhysicalMemoryAvailable() const;
/// Retrieves the total physical memory available to this process in bytes,
- /// without the size of the personal heap added to it.
- u64 GetTotalPhysicalMemoryAvailableWithoutMmHeap() const;
+ /// without the size of the personal system resource heap added to it.
+ u64 GetTotalPhysicalMemoryAvailableWithoutSystemResource() const;
/// Retrieves the total physical memory used by this process in bytes.
u64 GetTotalPhysicalMemoryUsed() const;
/// Retrieves the total physical memory used by this process in bytes,
- /// without the size of the personal heap added to it.
- u64 GetTotalPhysicalMemoryUsedWithoutMmHeap() const;
+ /// without the size of the personal system resource heap added to it.
+ u64 GetTotalPhysicalMemoryUsedWithoutSystemResource() const;
/// Gets the list of all threads created with this process as their owner.
const std::list<const Thread*>& GetThreadList() const {
diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp
index abb374892..85e4512f0 100644
--- a/src/core/hle/kernel/svc.cpp
+++ b/src/core/hle/kernel/svc.cpp
@@ -737,8 +737,8 @@ static ResultCode GetInfo(Core::System& system, u64* result, u64 info_id, u64 ha
// 5.0.0+
UserExceptionContextAddr = 20,
// 6.0.0+
- TotalPhysicalMemoryAvailableWithoutMmHeap = 21,
- TotalPhysicalMemoryUsedWithoutMmHeap = 22,
+ TotalPhysicalMemoryAvailableWithoutSystemResource = 21,
+ TotalPhysicalMemoryUsedWithoutSystemResource = 22,
};
const auto info_id_type = static_cast<GetInfoType>(info_id);
@@ -760,8 +760,8 @@ static ResultCode GetInfo(Core::System& system, u64* result, u64 info_id, u64 ha
case GetInfoType::SystemResourceUsage:
case GetInfoType::TitleId:
case GetInfoType::UserExceptionContextAddr:
- case GetInfoType::TotalPhysicalMemoryAvailableWithoutMmHeap:
- case GetInfoType::TotalPhysicalMemoryUsedWithoutMmHeap: {
+ case GetInfoType::TotalPhysicalMemoryAvailableWithoutSystemResource:
+ case GetInfoType::TotalPhysicalMemoryUsedWithoutSystemResource: {
if (info_sub_id != 0) {
return ERR_INVALID_ENUM_VALUE;
}
@@ -827,17 +827,9 @@ static ResultCode GetInfo(Core::System& system, u64* result, u64 info_id, u64 ha
return RESULT_SUCCESS;
case GetInfoType::SystemResourceUsage:
- // On hardware, this returns the amount of system resource memory that has
- // been used by the kernel. This is problematic for Yuzu to emulate, because
- // system resource memory is used for page tables -- and yuzu doesn't really
- // have a way to calculate how much memory is required for page tables for
- // the current process at any given time.
- // TODO: Is this even worth implementing? No game should ever use it, since
- // the amount of remaining page table space should never be relevant except
- // for diagnostics. Is returning a value other than zero wise?
LOG_WARNING(Kernel_SVC,
- "(STUBBED) Attempted to query system resource usage, returned 0");
- *result = 0;
+ "(STUBBED) Attempted to query system resource usage");
+ *result = process->GetSystemResourceUsage();
return RESULT_SUCCESS;
case GetInfoType::TitleId:
@@ -850,12 +842,12 @@ static ResultCode GetInfo(Core::System& system, u64* result, u64 info_id, u64 ha
*result = 0;
return RESULT_SUCCESS;
- case GetInfoType::TotalPhysicalMemoryAvailableWithoutMmHeap:
- *result = process->GetTotalPhysicalMemoryAvailable();
+ case GetInfoType::TotalPhysicalMemoryAvailableWithoutSystemResource:
+ *result = process->GetTotalPhysicalMemoryAvailableWithoutSystemResource();
return RESULT_SUCCESS;
- case GetInfoType::TotalPhysicalMemoryUsedWithoutMmHeap:
- *result = process->GetTotalPhysicalMemoryUsedWithoutMmHeap();
+ case GetInfoType::TotalPhysicalMemoryUsedWithoutSystemResource:
+ *result = process->GetTotalPhysicalMemoryUsedWithoutSystemResource();
return RESULT_SUCCESS;
default:
@@ -984,7 +976,7 @@ static ResultCode MapPhysicalMemory(Core::System& system, VAddr addr, u64 size)
return ERR_INVALID_MEMORY_RANGE;
}
- auto* const current_process = Core::CurrentProcess();
+ Process* const current_process = system.Kernel().CurrentProcess();
auto& vm_manager = current_process->VMManager();
if (current_process->GetSystemResourceSize() == 0) {
@@ -1024,7 +1016,7 @@ static ResultCode UnmapPhysicalMemory(Core::System& system, VAddr addr, u64 size
return ERR_INVALID_MEMORY_RANGE;
}
- auto* const current_process = Core::CurrentProcess();
+ Process* const current_process = system.Kernel().CurrentProcess();
auto& vm_manager = current_process->VMManager();
if (current_process->GetSystemResourceSize() == 0) {
diff --git a/src/core/hle/kernel/vm_manager.cpp b/src/core/hle/kernel/vm_manager.cpp
index 9385a8697..bda325e87 100644
--- a/src/core/hle/kernel/vm_manager.cpp
+++ b/src/core/hle/kernel/vm_manager.cpp
@@ -349,7 +349,7 @@ ResultCode VMManager::MapPhysicalMemory(VAddr target, u64 size) {
}
// Check that we can map the memory we want.
- const auto res_limit = Core::CurrentProcess()->GetResourceLimit();
+ const auto res_limit = system.CurrentProcess()->GetResourceLimit();
const u64 physmem_remaining = res_limit->GetMaxResourceValue(ResourceType::PhysicalMemory) -
res_limit->GetCurrentResourceValue(ResourceType::PhysicalMemory);
if (physmem_remaining < (size - mapped_size)) {
@@ -558,6 +558,9 @@ ResultCode VMManager::UnmapPhysicalMemory(VAddr target, u64 size) {
}
}
+ // Update mapped amount
+ physical_memory_mapped -= mapped_size;
+
return RESULT_SUCCESS;
}
diff --git a/src/core/hle/kernel/vm_manager.h b/src/core/hle/kernel/vm_manager.h
index 16f40ad00..8be03a6e4 100644
--- a/src/core/hle/kernel/vm_manager.h
+++ b/src/core/hle/kernel/vm_manager.h
@@ -458,7 +458,7 @@ public:
///
/// @note The destination address must lie within the Map region.
///
- /// @note This function requires SystemResourceSize is non-zero,
+ /// @note This function requires that SystemResourceSize be non-zero,
/// however, this is just because if it were not then the
/// resulting page tables could be exploited on hardware by
/// a malicious program. SystemResource usage does not need
@@ -472,7 +472,7 @@ public:
///
/// @note The destination address must lie within the Map region.
///
- /// @note This function requires SystemResourceSize is non-zero,
+ /// @note This function requires that SystemResourceSize be non-zero,
/// however, this is just because if it were not then the
/// resulting page tables could be exploited on hardware by
/// a malicious program. SystemResource usage does not need
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-31 06:45:38 +0000