diff options
Diffstat (limited to 'src/core/hle/kernel')
-rw-r--r-- | src/core/hle/kernel/svc.cpp | 21 | ||||
-rw-r--r-- | src/core/hle/kernel/svc.h | 4 | ||||
-rw-r--r-- | src/core/hle/kernel/vm_manager.cpp | 35 | ||||
-rw-r--r-- | src/core/hle/kernel/vm_manager.h | 12 |
4 files changed, 44 insertions, 28 deletions
diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp index 3e5f11f2b..d08b84bde 100644 --- a/src/core/hle/kernel/svc.cpp +++ b/src/core/hle/kernel/svc.cpp @@ -448,25 +448,12 @@ static ResultCode GetInfo(u64* result, u64 info_id, u64 handle, u64 info_sub_id) case GetInfoType::RandomEntropy: *result = 0; break; - case GetInfoType::AddressSpaceBaseAddr: - *result = vm_manager.GetCodeRegionBaseAddress(); + case GetInfoType::ASLRRegionBaseAddr: + *result = vm_manager.GetASLRRegionBaseAddress(); break; - case GetInfoType::AddressSpaceSize: { - const u64 width = vm_manager.GetAddressSpaceWidth(); - - switch (width) { - case 32: - *result = 0xFFE00000; - break; - case 36: - *result = 0xFF8000000; - break; - case 39: - *result = 0x7FF8000000; - break; - } + case GetInfoType::ASLRRegionSize: + *result = vm_manager.GetASLRRegionSize(); break; - } case GetInfoType::NewMapRegionBaseAddr: *result = vm_manager.GetNewMapRegionBaseAddress(); break; diff --git a/src/core/hle/kernel/svc.h b/src/core/hle/kernel/svc.h index 70148c4fe..554a5e328 100644 --- a/src/core/hle/kernel/svc.h +++ b/src/core/hle/kernel/svc.h @@ -41,8 +41,8 @@ enum class GetInfoType : u64 { RandomEntropy = 11, PerformanceCounter = 0xF0000002, // 2.0.0+ - AddressSpaceBaseAddr = 12, - AddressSpaceSize = 13, + ASLRRegionBaseAddr = 12, + ASLRRegionSize = 13, NewMapRegionBaseAddr = 14, NewMapRegionSize = 15, // 3.0.0+ diff --git a/src/core/hle/kernel/vm_manager.cpp b/src/core/hle/kernel/vm_manager.cpp index e412309fd..1e28ccbda 100644 --- a/src/core/hle/kernel/vm_manager.cpp +++ b/src/core/hle/kernel/vm_manager.cpp @@ -393,30 +393,35 @@ void VMManager::InitializeMemoryRegionRanges(FileSys::ProgramAddressSpaceType ty switch (type) { case FileSys::ProgramAddressSpaceType::Is32Bit: + case FileSys::ProgramAddressSpaceType::Is32BitNoMap: address_space_width = 32; code_region_base = 0x200000; code_region_end = code_region_base + 0x3FE00000; - map_region_size = 0x40000000; - heap_region_size = 0x40000000; + aslr_region_base = 0x200000; + aslr_region_end = aslr_region_base + 0xFFE00000; + if (type == FileSys::ProgramAddressSpaceType::Is32Bit) { + map_region_size = 0x40000000; + heap_region_size = 0x40000000; + } else { + map_region_size = 0; + heap_region_size = 0x80000000; + } break; case FileSys::ProgramAddressSpaceType::Is36Bit: address_space_width = 36; code_region_base = 0x8000000; code_region_end = code_region_base + 0x78000000; + aslr_region_base = 0x8000000; + aslr_region_end = aslr_region_base + 0xFF8000000; map_region_size = 0x180000000; heap_region_size = 0x180000000; break; - case FileSys::ProgramAddressSpaceType::Is32BitNoMap: - address_space_width = 32; - code_region_base = 0x200000; - code_region_end = code_region_base + 0x3FE00000; - map_region_size = 0; - heap_region_size = 0x80000000; - break; case FileSys::ProgramAddressSpaceType::Is39Bit: address_space_width = 39; code_region_base = 0x8000000; code_region_end = code_region_base + 0x80000000; + aslr_region_base = 0x8000000; + aslr_region_end = aslr_region_base + 0x7FF8000000; map_region_size = 0x1000000000; heap_region_size = 0x180000000; new_map_region_size = 0x80000000; @@ -490,6 +495,18 @@ u64 VMManager::GetAddressSpaceWidth() const { return address_space_width; } +VAddr VMManager::GetASLRRegionBaseAddress() const { + return aslr_region_base; +} + +VAddr VMManager::GetASLRRegionEndAddress() const { + return aslr_region_end; +} + +u64 VMManager::GetASLRRegionSize() const { + return aslr_region_end - aslr_region_base; +} + VAddr VMManager::GetCodeRegionBaseAddress() const { return code_region_base; } diff --git a/src/core/hle/kernel/vm_manager.h b/src/core/hle/kernel/vm_manager.h index 015559a64..4accde6b3 100644 --- a/src/core/hle/kernel/vm_manager.h +++ b/src/core/hle/kernel/vm_manager.h @@ -205,6 +205,15 @@ public: /// Gets the address space width in bits. u64 GetAddressSpaceWidth() const; + /// Gets the base address of the ASLR region. + VAddr GetASLRRegionBaseAddress() const; + + /// Gets the end address of the ASLR region. + VAddr GetASLRRegionEndAddress() const; + + /// Gets the size of the ASLR region + u64 GetASLRRegionSize() const; + /// Gets the base address of the code region. VAddr GetCodeRegionBaseAddress() const; @@ -306,6 +315,9 @@ private: VAddr address_space_base = 0; VAddr address_space_end = 0; + VAddr aslr_region_base = 0; + VAddr aslr_region_end = 0; + VAddr code_region_base = 0; VAddr code_region_end = 0; |