diff options
| -rw-r--r-- | src/core/device_memory.cpp | 8 | ||||
| -rw-r--r-- | src/core/hle/kernel/k_address_space_info.cpp | 5 |
2 files changed, 12 insertions, 1 deletions
diff --git a/src/core/device_memory.cpp b/src/core/device_memory.cpp index f8b5be2b4..de3f8ef8f 100644 --- a/src/core/device_memory.cpp +++ b/src/core/device_memory.cpp @@ -6,9 +6,15 @@ namespace Core { +#ifdef ANDROID +constexpr size_t VirtualReserveSize = 1ULL << 38; +#else +constexpr size_t VirtualReserveSize = 1ULL << 39; +#endif + DeviceMemory::DeviceMemory() : buffer{Kernel::Board::Nintendo::Nx::KSystemControl::Init::GetIntendedMemorySize(), - 1ULL << 39} {} + VirtualReserveSize} {} DeviceMemory::~DeviceMemory() = default; } // namespace Core diff --git a/src/core/hle/kernel/k_address_space_info.cpp b/src/core/hle/kernel/k_address_space_info.cpp index c36eb5dc4..32173e52b 100644 --- a/src/core/hle/kernel/k_address_space_info.cpp +++ b/src/core/hle/kernel/k_address_space_info.cpp @@ -25,7 +25,12 @@ constexpr std::array<KAddressSpaceInfo, 13> AddressSpaceInfos{{ { .bit_width = 36, .address = 2_GiB , .size = 64_GiB - 2_GiB , .type = KAddressSpaceInfo::Type::MapLarge, }, { .bit_width = 36, .address = Size_Invalid, .size = 8_GiB , .type = KAddressSpaceInfo::Type::Heap, }, { .bit_width = 36, .address = Size_Invalid, .size = 6_GiB , .type = KAddressSpaceInfo::Type::Alias, }, +#ifdef ANDROID + // With Android, we use a 38-bit address space due to memory limitations. This should (safely) truncate ASLR region. + { .bit_width = 39, .address = 128_MiB , .size = 256_GiB - 128_MiB, .type = KAddressSpaceInfo::Type::Map39Bit, }, +#else { .bit_width = 39, .address = 128_MiB , .size = 512_GiB - 128_MiB, .type = KAddressSpaceInfo::Type::Map39Bit, }, +#endif { .bit_width = 39, .address = Size_Invalid, .size = 64_GiB , .type = KAddressSpaceInfo::Type::MapSmall }, { .bit_width = 39, .address = Size_Invalid, .size = 8_GiB , .type = KAddressSpaceInfo::Type::Heap, }, { .bit_width = 39, .address = Size_Invalid, .size = 64_GiB , .type = KAddressSpaceInfo::Type::Alias, }, |