diff options
Diffstat (limited to 'src/core/hle/kernel/process.h')
-rw-r--r-- | src/core/hle/kernel/process.h | 45 |
1 files changed, 38 insertions, 7 deletions
diff --git a/src/core/hle/kernel/process.h b/src/core/hle/kernel/process.h index 83ea02bee..c2df451f3 100644 --- a/src/core/hle/kernel/process.h +++ b/src/core/hle/kernel/process.h @@ -135,6 +135,11 @@ public: return mutex; } + /// Gets the address to the process' dedicated TLS region. + VAddr GetTLSRegionAddress() const { + return tls_region_address; + } + /// Gets the current status of the process ProcessStatus GetStatus() const { return status; @@ -168,8 +173,24 @@ public: return capabilities.GetPriorityMask(); } - u32 IsVirtualMemoryEnabled() const { - return is_virtual_address_memory_enabled; + /// Gets the amount of secure memory to allocate for memory management. + u32 GetSystemResourceSize() const { + 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. @@ -196,15 +217,15 @@ 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 { @@ -280,6 +301,9 @@ private: /// a process signal. void ChangeStatus(ProcessStatus new_status); + /// Allocates the main thread stack for the process, given the stack size in bytes. + void AllocateMainThreadStack(u64 stack_size); + /// Memory manager for this process. Kernel::VMManager vm_manager; @@ -298,12 +322,16 @@ private: /// Title ID corresponding to the process u64 program_id = 0; + /// Specifies additional memory to be reserved for the process's memory management by the + /// system. When this is non-zero, secure memory is allocated and used for page table allocation + /// instead of using the normal global page tables/memory block management. + u32 system_resource_size = 0; + /// Resource limit descriptor for this process SharedPtr<ResourceLimit> resource_limit; /// The ideal CPU core for this process, threads are scheduled on this core by default. u8 ideal_core = 0; - u32 is_virtual_address_memory_enabled = 0; /// The Thread Local Storage area is allocated as processes create threads, /// each TLS area is 0x200 bytes, so one page (0x1000) is split up in 8 parts, and each part @@ -338,6 +366,9 @@ private: /// variable related facilities. Mutex mutex; + /// Address indicating the location of the process' dedicated TLS region. + VAddr tls_region_address = 0; + /// Random values for svcGetInfo RandomEntropy std::array<u64, RANDOM_ENTROPY_SIZE> random_entropy{}; |