diff options
Diffstat (limited to 'src/core/hle/kernel/vm_manager.cpp')
| -rw-r--r-- | src/core/hle/kernel/vm_manager.cpp | 45 |
1 files changed, 28 insertions, 17 deletions
diff --git a/src/core/hle/kernel/vm_manager.cpp b/src/core/hle/kernel/vm_manager.cpp index 3df5ccb7f..501544090 100644 --- a/src/core/hle/kernel/vm_manager.cpp +++ b/src/core/hle/kernel/vm_manager.cpp @@ -625,9 +625,11 @@ void VMManager::UpdatePageTableForVMA(const VirtualMemoryArea& vma) { void VMManager::InitializeMemoryRegionRanges(FileSys::ProgramAddressSpaceType type) { u64 map_region_size = 0; u64 heap_region_size = 0; - u64 new_map_region_size = 0; + u64 stack_region_size = 0; u64 tls_io_region_size = 0; + u64 stack_and_tls_io_end = 0; + switch (type) { case FileSys::ProgramAddressSpaceType::Is32Bit: case FileSys::ProgramAddressSpaceType::Is32BitNoMap: @@ -643,6 +645,7 @@ void VMManager::InitializeMemoryRegionRanges(FileSys::ProgramAddressSpaceType ty map_region_size = 0; heap_region_size = 0x80000000; } + stack_and_tls_io_end = 0x40000000; break; case FileSys::ProgramAddressSpaceType::Is36Bit: address_space_width = 36; @@ -652,6 +655,7 @@ void VMManager::InitializeMemoryRegionRanges(FileSys::ProgramAddressSpaceType ty aslr_region_end = aslr_region_base + 0xFF8000000; map_region_size = 0x180000000; heap_region_size = 0x180000000; + stack_and_tls_io_end = 0x80000000; break; case FileSys::ProgramAddressSpaceType::Is39Bit: address_space_width = 39; @@ -661,7 +665,7 @@ void VMManager::InitializeMemoryRegionRanges(FileSys::ProgramAddressSpaceType ty aslr_region_end = aslr_region_base + 0x7FF8000000; map_region_size = 0x1000000000; heap_region_size = 0x180000000; - new_map_region_size = 0x80000000; + stack_region_size = 0x80000000; tls_io_region_size = 0x1000000000; break; default: @@ -669,6 +673,8 @@ void VMManager::InitializeMemoryRegionRanges(FileSys::ProgramAddressSpaceType ty return; } + const u64 stack_and_tls_io_begin = aslr_region_base; + address_space_base = 0; address_space_end = 1ULL << address_space_width; @@ -679,15 +685,20 @@ void VMManager::InitializeMemoryRegionRanges(FileSys::ProgramAddressSpaceType ty heap_region_end = heap_region_base + heap_region_size; heap_end = heap_region_base; - new_map_region_base = heap_region_end; - new_map_region_end = new_map_region_base + new_map_region_size; + stack_region_base = heap_region_end; + stack_region_end = stack_region_base + stack_region_size; - tls_io_region_base = new_map_region_end; + tls_io_region_base = stack_region_end; tls_io_region_end = tls_io_region_base + tls_io_region_size; - if (new_map_region_size == 0) { - new_map_region_base = address_space_base; - new_map_region_end = address_space_end; + if (stack_region_size == 0) { + stack_region_base = stack_and_tls_io_begin; + stack_region_end = stack_and_tls_io_end; + } + + if (tls_io_region_size == 0) { + tls_io_region_base = stack_and_tls_io_begin; + tls_io_region_end = stack_and_tls_io_end; } } @@ -879,21 +890,21 @@ bool VMManager::IsWithinMapRegion(VAddr address, u64 size) const { return IsInsideAddressRange(address, size, GetMapRegionBaseAddress(), GetMapRegionEndAddress()); } -VAddr VMManager::GetNewMapRegionBaseAddress() const { - return new_map_region_base; +VAddr VMManager::GetStackRegionBaseAddress() const { + return stack_region_base; } -VAddr VMManager::GetNewMapRegionEndAddress() const { - return new_map_region_end; +VAddr VMManager::GetStackRegionEndAddress() const { + return stack_region_end; } -u64 VMManager::GetNewMapRegionSize() const { - return new_map_region_end - new_map_region_base; +u64 VMManager::GetStackRegionSize() const { + return stack_region_end - stack_region_base; } -bool VMManager::IsWithinNewMapRegion(VAddr address, u64 size) const { - return IsInsideAddressRange(address, size, GetNewMapRegionBaseAddress(), - GetNewMapRegionEndAddress()); +bool VMManager::IsWithinStackRegion(VAddr address, u64 size) const { + return IsInsideAddressRange(address, size, GetStackRegionBaseAddress(), + GetStackRegionEndAddress()); } VAddr VMManager::GetTLSIORegionBaseAddress() const { |