diff options
Diffstat (limited to '')
-rw-r--r-- | src/core/hle/kernel/vm_manager.cpp | 180 |
1 files changed, 164 insertions, 16 deletions
diff --git a/src/core/hle/kernel/vm_manager.cpp b/src/core/hle/kernel/vm_manager.cpp index 608cbd57b..e412309fd 100644 --- a/src/core/hle/kernel/vm_manager.cpp +++ b/src/core/hle/kernel/vm_manager.cpp @@ -9,6 +9,7 @@ #include "common/logging/log.h" #include "core/arm/arm_interface.h" #include "core/core.h" +#include "core/file_sys/program_metadata.h" #include "core/hle/kernel/errors.h" #include "core/hle/kernel/vm_manager.h" #include "core/memory.h" @@ -54,30 +55,32 @@ bool VirtualMemoryArea::CanBeMergedWith(const VirtualMemoryArea& next) const { } VMManager::VMManager() { - Reset(); + // Default to assuming a 39-bit address space. This way we have a sane + // starting point with executables that don't provide metadata. + Reset(FileSys::ProgramAddressSpaceType::Is39Bit); } VMManager::~VMManager() { - Reset(); + Reset(FileSys::ProgramAddressSpaceType::Is39Bit); } -void VMManager::Reset() { - vma_map.clear(); +void VMManager::Reset(FileSys::ProgramAddressSpaceType type) { + Clear(); + + InitializeMemoryRegionRanges(type); + + page_table.Resize(address_space_width); // Initialize the map with a single free region covering the entire managed space. VirtualMemoryArea initial_vma; - initial_vma.size = MAX_ADDRESS; + initial_vma.size = address_space_end; vma_map.emplace(initial_vma.base, initial_vma); - page_table.pointers.fill(nullptr); - page_table.special_regions.clear(); - page_table.attributes.fill(Memory::PageType::Unmapped); - UpdatePageTableForVMA(initial_vma); } VMManager::VMAHandle VMManager::FindVMA(VAddr target) const { - if (target >= MAX_ADDRESS) { + if (target >= address_space_end) { return vma_map.end(); } else { return std::prev(vma_map.upper_bound(target)); @@ -291,7 +294,7 @@ ResultVal<VMManager::VMAIter> VMManager::CarveVMARange(VAddr target, u64 size) { const VAddr target_end = target + size; ASSERT(target_end >= target); - ASSERT(target_end <= MAX_ADDRESS); + ASSERT(target_end <= address_space_end); ASSERT(size > 0); VMAIter begin_vma = StripIterConstness(FindVMA(target)); @@ -382,6 +385,85 @@ 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 tls_io_region_size = 0; + + switch (type) { + case FileSys::ProgramAddressSpaceType::Is32Bit: + address_space_width = 32; + code_region_base = 0x200000; + code_region_end = code_region_base + 0x3FE00000; + map_region_size = 0x40000000; + heap_region_size = 0x40000000; + break; + case FileSys::ProgramAddressSpaceType::Is36Bit: + address_space_width = 36; + code_region_base = 0x8000000; + code_region_end = code_region_base + 0x78000000; + 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; + map_region_size = 0x1000000000; + heap_region_size = 0x180000000; + new_map_region_size = 0x80000000; + tls_io_region_size = 0x1000000000; + break; + default: + UNREACHABLE_MSG("Invalid address space type specified: {}", static_cast<u32>(type)); + return; + } + + address_space_base = 0; + address_space_end = 1ULL << address_space_width; + + map_region_base = code_region_end; + map_region_end = map_region_base + map_region_size; + + heap_region_base = map_region_end; + heap_region_end = heap_region_base + heap_region_size; + + new_map_region_base = heap_region_end; + new_map_region_end = new_map_region_base + new_map_region_size; + + tls_io_region_base = new_map_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; + } +} + +void VMManager::Clear() { + ClearVMAMap(); + ClearPageTable(); +} + +void VMManager::ClearVMAMap() { + vma_map.clear(); +} + +void VMManager::ClearPageTable() { + std::fill(page_table.pointers.begin(), page_table.pointers.end(), nullptr); + page_table.special_regions.clear(); + std::fill(page_table.attributes.begin(), page_table.attributes.end(), + Memory::PageType::Unmapped); +} + u64 VMManager::GetTotalMemoryUsage() const { LOG_WARNING(Kernel, "(STUBBED) called"); return 0xF8000000; @@ -392,14 +474,80 @@ u64 VMManager::GetTotalHeapUsage() const { return 0x0; } -VAddr VMManager::GetAddressSpaceBaseAddr() const { - LOG_WARNING(Kernel, "(STUBBED) called"); - return 0x8000000; +VAddr VMManager::GetAddressSpaceBaseAddress() const { + return address_space_base; +} + +VAddr VMManager::GetAddressSpaceEndAddress() const { + return address_space_end; } u64 VMManager::GetAddressSpaceSize() const { - LOG_WARNING(Kernel, "(STUBBED) called"); - return MAX_ADDRESS; + return address_space_end - address_space_base; +} + +u64 VMManager::GetAddressSpaceWidth() const { + return address_space_width; +} + +VAddr VMManager::GetCodeRegionBaseAddress() const { + return code_region_base; +} + +VAddr VMManager::GetCodeRegionEndAddress() const { + return code_region_end; +} + +u64 VMManager::GetCodeRegionSize() const { + return code_region_end - code_region_base; +} + +VAddr VMManager::GetHeapRegionBaseAddress() const { + return heap_region_base; +} + +VAddr VMManager::GetHeapRegionEndAddress() const { + return heap_region_end; +} + +u64 VMManager::GetHeapRegionSize() const { + return heap_region_end - heap_region_base; +} + +VAddr VMManager::GetMapRegionBaseAddress() const { + return map_region_base; +} + +VAddr VMManager::GetMapRegionEndAddress() const { + return map_region_end; +} + +u64 VMManager::GetMapRegionSize() const { + return map_region_end - map_region_base; +} + +VAddr VMManager::GetNewMapRegionBaseAddress() const { + return new_map_region_base; +} + +VAddr VMManager::GetNewMapRegionEndAddress() const { + return new_map_region_end; +} + +u64 VMManager::GetNewMapRegionSize() const { + return new_map_region_end - new_map_region_base; +} + +VAddr VMManager::GetTLSIORegionBaseAddress() const { + return tls_io_region_base; +} + +VAddr VMManager::GetTLSIORegionEndAddress() const { + return tls_io_region_end; +} + +u64 VMManager::GetTLSIORegionSize() const { + return tls_io_region_end - tls_io_region_base; } } // namespace Kernel |