4 files changed, 14 insertions, 115 deletions

diff --git a/src/core/hle/kernel/memory.cpp b/src/core/hle/kernel/memory.cpp
index 7f27e9655..95d3a6bf6 100644
--- a/src/core/hle/kernel/memory.cpp
+++ b/src/core/hle/kernel/memory.cpp
@@ -96,75 +96,9 @@ MemoryRegionInfo* GetMemoryRegion(MemoryRegion region) {
 }
 
 void HandleSpecialMapping(VMManager& address_space, const AddressMapping& mapping) {
-    using namespace Memory;
-
-    struct MemoryArea {
-        VAddr vaddr_base;
-        PAddr paddr_base;
-        u32 size;
-    };
-
-    // The order of entries in this array is important. The VRAM and IO VAddr ranges overlap, and
-    // VRAM must be tried first.
-    static constexpr MemoryArea memory_areas[] = {
-        {VRAM_VADDR, VRAM_PADDR, VRAM_SIZE},
-        {IO_AREA_VADDR, IO_AREA_PADDR, IO_AREA_SIZE},
-        {DSP_RAM_VADDR, DSP_RAM_PADDR, DSP_RAM_SIZE},
-        {N3DS_EXTRA_RAM_VADDR, N3DS_EXTRA_RAM_PADDR, N3DS_EXTRA_RAM_SIZE - 0x20000},
-    };
-
-    VAddr mapping_limit = mapping.address + mapping.size;
-    if (mapping_limit < mapping.address) {
-        LOG_CRITICAL(Loader, "Mapping size overflowed: address=0x%08" PRIX32 " size=0x%" PRIX32,
-                     mapping.address, mapping.size);
-        return;
-    }
-
-    auto area =
-        std::find_if(std::begin(memory_areas), std::end(memory_areas), [&](const auto& area) {
-            return mapping.address >= area.vaddr_base &&
-                   mapping_limit <= area.vaddr_base + area.size;
-        });
-    if (area == std::end(memory_areas)) {
-        LOG_ERROR(Loader, "Unhandled special mapping: address=0x%08" PRIX32 " size=0x%" PRIX32
-                          " read_only=%d unk_flag=%d",
-                  mapping.address, mapping.size, mapping.read_only, mapping.unk_flag);
-        return;
-    }
-
-    u32 offset_into_region = mapping.address - area->vaddr_base;
-    if (area->paddr_base == IO_AREA_PADDR) {
-        LOG_ERROR(Loader, "MMIO mappings are not supported yet. phys_addr=0x%08" PRIX32,
-                  area->paddr_base + offset_into_region);
-        return;
-    }
-
-    u8* target_pointer = Memory::GetPhysicalPointer(area->paddr_base + offset_into_region);
-
-    // TODO(yuriks): This flag seems to have some other effect, but it's unknown what
-    MemoryState memory_state = mapping.unk_flag ? MemoryState::Static : MemoryState::IO;
-
-    auto vma =
-        address_space.MapBackingMemory(mapping.address, target_pointer, mapping.size, memory_state)
-            .Unwrap();
-    address_space.Reprotect(vma,
-                            mapping.read_only ? VMAPermission::Read : VMAPermission::ReadWrite);
 }
 
 void MapSharedPages(VMManager& address_space) {
-    auto cfg_mem_vma = address_space
-                           .MapBackingMemory(Memory::CONFIG_MEMORY_VADDR,
-                                             reinterpret_cast<u8*>(&ConfigMem::config_mem),
-                                             Memory::CONFIG_MEMORY_SIZE, MemoryState::Shared)
-                           .Unwrap();
-    address_space.Reprotect(cfg_mem_vma, VMAPermission::Read);
-
-    auto shared_page_vma = address_space
-                               .MapBackingMemory(Memory::SHARED_PAGE_VADDR,
-                                                 reinterpret_cast<u8*>(&SharedPage::shared_page),
-                                                 Memory::SHARED_PAGE_SIZE, MemoryState::Shared)
-                               .Unwrap();
-    address_space.Reprotect(shared_page_vma, VMAPermission::Read);
 }
 
 } // namespace Kernel
diff --git a/src/core/hle/kernel/process.cpp b/src/core/hle/kernel/process.cpp
index 9e145866f..98c5b0905 100644
--- a/src/core/hle/kernel/process.cpp
+++ b/src/core/hle/kernel/process.cpp
@@ -117,7 +117,7 @@ void Process::Run(VAddr entry_point, s32 main_thread_priority, u32 stack_size) {
     vm_manager
         .MapMemoryBlock(Memory::HEAP_VADDR_END - stack_size,
                         std::make_shared<std::vector<u8>>(stack_size, 0), 0, stack_size,
-                        MemoryState::Locked)
+                        MemoryState::Heap)
         .Unwrap();
     misc_memory_used += stack_size;
     memory_region->used += stack_size;
@@ -148,7 +148,7 @@ void Process::LoadModule(SharedPtr<CodeSet> module_, VAddr base_addr) {
     };
 
     // Map CodeSet segments
-    MapSegment(module_->code, VMAPermission::ReadWrite, MemoryState::Private);
+    MapSegment(module_->code, VMAPermission::ReadExecute, MemoryState::Code);
     MapSegment(module_->rodata, VMAPermission::Read, MemoryState::Static);
     MapSegment(module_->data, VMAPermission::ReadWrite, MemoryState::Static);
 }
@@ -193,7 +193,7 @@ ResultVal<VAddr> Process::HeapAllocate(VAddr target, u32 size, VMAPermission per
     ASSERT(heap_end - heap_start == heap_memory->size());
 
     CASCADE_RESULT(auto vma, vm_manager.MapMemoryBlock(target, heap_memory, target - heap_start,
-                                                       size, MemoryState::Private));
+                                                       size, MemoryState::Heap));
     vm_manager.Reprotect(vma, perms);
 
     heap_used += size;
@@ -223,40 +223,8 @@ ResultCode Process::HeapFree(VAddr target, u32 size) {
 }
 
 ResultVal<VAddr> Process::LinearAllocate(VAddr target, u32 size, VMAPermission perms) {
-    auto& linheap_memory = memory_region->linear_heap_memory;
-
-    VAddr heap_end = GetLinearHeapBase() + (u32)linheap_memory->size();
-    // Games and homebrew only ever seem to pass 0 here (which lets the kernel decide the address),
-    // but explicit addresses are also accepted and respected.
-    if (target == 0) {
-        target = heap_end;
-    }
-
-    if (target < GetLinearHeapBase() || target + size > GetLinearHeapLimit() || target > heap_end ||
-        target + size < target) {
-
-        return ERR_INVALID_ADDRESS;
-    }
-
-    // Expansion of the linear heap is only allowed if you do an allocation immediately at its
-    // end. It's possible to free gaps in the middle of the heap and then reallocate them later,
-    // but expansions are only allowed at the end.
-    if (target == heap_end) {
-        linheap_memory->insert(linheap_memory->end(), size, 0);
-        vm_manager.RefreshMemoryBlockMappings(linheap_memory.get());
-    }
-
-    // TODO(yuriks): As is, this lets processes map memory allocated by other processes from the
-    // same region. It is unknown if or how the 3DS kernel checks against this.
-    size_t offset = target - GetLinearHeapBase();
-    CASCADE_RESULT(auto vma, vm_manager.MapMemoryBlock(target, linheap_memory, offset, size,
-                                                       MemoryState::Continuous));
-    vm_manager.Reprotect(vma, perms);
-
-    linear_heap_used += size;
-    memory_region->used += size;
-
-    return MakeResult<VAddr>(target);
+    UNIMPLEMENTED();
+    return {};
 }
 
 ResultCode Process::LinearFree(VAddr target, u32 size) {
diff --git a/src/core/hle/kernel/thread.cpp b/src/core/hle/kernel/thread.cpp
index 75df49ac2..8b72084bf 100644
--- a/src/core/hle/kernel/thread.cpp
+++ b/src/core/hle/kernel/thread.cpp
@@ -446,7 +446,7 @@ ResultVal<SharedPtr<Thread>> Thread::Create(std::string name, VAddr entry_point,
         // Map the page to the current process' address space.
         // TODO(Subv): Find the correct MemoryState for this region.
         vm_manager.MapMemoryBlock(Memory::TLS_AREA_VADDR + available_page * Memory::PAGE_SIZE,
-                                  linheap_memory, offset, Memory::PAGE_SIZE, MemoryState::Static);
+                                  linheap_memory, offset, Memory::PAGE_SIZE, MemoryState::ThreadLocalStorage);
     }
 
     // Mark the slot as used
diff --git a/src/core/hle/kernel/vm_manager.h b/src/core/hle/kernel/vm_manager.h
index cb5bb8243..d3db1ca8d 100644
--- a/src/core/hle/kernel/vm_manager.h
+++ b/src/core/hle/kernel/vm_manager.h
@@ -40,19 +40,16 @@ enum class VMAPermission : u8 {
 };
 
 /// Set of values returned in MemoryInfo.state by svcQueryMemory.
-enum class MemoryState : u8 {
+enum class MemoryState : u32 {
     Free = 0,
-    Reserved = 1,
-    IO = 2,
-    Static = 3,
-    Code = 4,
-    Private = 5,
+    IO = 1,
+    Normal = 2,
+    Code = 3,
+    Static = 4,
+    Heap = 5,
     Shared = 6,
-    Continuous = 7,
-    Aliased = 8,
-    Alias = 9,
-    AliasCode = 10,
-    Locked = 11,
+    Mapped = 6,
+    ThreadLocalStorage = 12,
 };
 
 /**