diff options
Diffstat (limited to '')
-rw-r--r-- | src/core/hle/kernel/vm_manager.h | 100 |
1 files changed, 90 insertions, 10 deletions
diff --git a/src/core/hle/kernel/vm_manager.h b/src/core/hle/kernel/vm_manager.h index de75036c0..015559a64 100644 --- a/src/core/hle/kernel/vm_manager.h +++ b/src/core/hle/kernel/vm_manager.h @@ -12,6 +12,10 @@ #include "core/memory.h" #include "core/memory_hook.h" +namespace FileSys { +enum class ProgramAddressSpaceType : u8; +} + namespace Kernel { enum class VMAType : u8 { @@ -111,12 +115,6 @@ struct VirtualMemoryArea { class VMManager final { public: /** - * The maximum amount of address space managed by the kernel. - * @todo This was selected arbitrarily, and should be verified for Switch OS. - */ - static constexpr VAddr MAX_ADDRESS{0x1000000000ULL}; - - /** * A map covering the entirety of the managed address space, keyed by the `base` field of each * VMA. It must always be modified by splitting or merging VMAs, so that the invariant * `elem.base + elem.size == next.base` is preserved, and mergeable regions must always be @@ -130,7 +128,7 @@ public: ~VMManager(); /// Clears the address space map, re-initializing with a single free area. - void Reset(); + void Reset(FileSys::ProgramAddressSpaceType type); /// Finds the VMA in which the given address is included in, or `vma_map.end()`. VMAHandle FindVMA(VAddr target) const; @@ -195,12 +193,63 @@ public: /// Gets the total heap usage, used by svcGetInfo u64 GetTotalHeapUsage() const; - /// Gets the total address space base address, used by svcGetInfo - VAddr GetAddressSpaceBaseAddr() const; + /// Gets the address space base address + VAddr GetAddressSpaceBaseAddress() const; - /// Gets the total address space address size, used by svcGetInfo + /// Gets the address space end address + VAddr GetAddressSpaceEndAddress() const; + + /// Gets the total address space address size in bytes u64 GetAddressSpaceSize() const; + /// Gets the address space width in bits. + u64 GetAddressSpaceWidth() const; + + /// Gets the base address of the code region. + VAddr GetCodeRegionBaseAddress() const; + + /// Gets the end address of the code region. + VAddr GetCodeRegionEndAddress() const; + + /// Gets the total size of the code region in bytes. + u64 GetCodeRegionSize() const; + + /// Gets the base address of the heap region. + VAddr GetHeapRegionBaseAddress() const; + + /// Gets the end address of the heap region; + VAddr GetHeapRegionEndAddress() const; + + /// Gets the total size of the heap region in bytes. + u64 GetHeapRegionSize() const; + + /// Gets the base address of the map region. + VAddr GetMapRegionBaseAddress() const; + + /// Gets the end address of the map region. + VAddr GetMapRegionEndAddress() const; + + /// Gets the total size of the map region in bytes. + u64 GetMapRegionSize() const; + + /// Gets the base address of the new map region. + VAddr GetNewMapRegionBaseAddress() const; + + /// Gets the end address of the new map region. + VAddr GetNewMapRegionEndAddress() const; + + /// Gets the total size of the new map region in bytes. + u64 GetNewMapRegionSize() const; + + /// Gets the base address of the TLS IO region. + VAddr GetTLSIORegionBaseAddress() const; + + /// Gets the end address of the TLS IO region. + VAddr GetTLSIORegionEndAddress() const; + + /// Gets the total size of the TLS IO region in bytes. + u64 GetTLSIORegionSize() const; + /// Each VMManager has its own page table, which is set as the main one when the owning process /// is scheduled. Memory::PageTable page_table; @@ -240,5 +289,36 @@ private: /// Updates the pages corresponding to this VMA so they match the VMA's attributes. void UpdatePageTableForVMA(const VirtualMemoryArea& vma); + + /// Initializes memory region ranges to adhere to a given address space type. + void InitializeMemoryRegionRanges(FileSys::ProgramAddressSpaceType type); + + /// Clears the underlying map and page table. + void Clear(); + + /// Clears out the VMA map, unmapping any previously mapped ranges. + void ClearVMAMap(); + + /// Clears out the page table + void ClearPageTable(); + + u32 address_space_width = 0; + VAddr address_space_base = 0; + VAddr address_space_end = 0; + + VAddr code_region_base = 0; + VAddr code_region_end = 0; + + VAddr heap_region_base = 0; + VAddr heap_region_end = 0; + + VAddr map_region_base = 0; + VAddr map_region_end = 0; + + VAddr new_map_region_base = 0; + VAddr new_map_region_end = 0; + + VAddr tls_io_region_base = 0; + VAddr tls_io_region_end = 0; }; } // namespace Kernel |