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-rw-r--r--src/core/hle/kernel/vm_manager.cpp154
1 files changed, 146 insertions, 8 deletions
diff --git a/src/core/hle/kernel/vm_manager.cpp b/src/core/hle/kernel/vm_manager.cpp
index 608cbd57b..337f17b7b 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"
@@ -54,25 +55,24 @@ 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);
// Initialize the map with a single free region covering the entire managed space.
VirtualMemoryArea initial_vma;
initial_vma.size = MAX_ADDRESS;
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);
}
@@ -382,6 +382,84 @@ 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() {
+ page_table.pointers.fill(nullptr);
+ page_table.special_regions.clear();
+ page_table.attributes.fill(Memory::PageType::Unmapped);
+}
+
u64 VMManager::GetTotalMemoryUsage() const {
LOG_WARNING(Kernel, "(STUBBED) called");
return 0xF8000000;
@@ -402,4 +480,64 @@ u64 VMManager::GetAddressSpaceSize() const {
return MAX_ADDRESS;
}
+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