diff --git a/CMakeLists.txt b/CMakeLists.txt
index 79cdc553..44ce20d0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -41,7 +41,7 @@ add_executable(shadps4
     src/Core/PS4/HLE/Kernel/Objects/physical_memory.cpp
     src/Util/string_util.cpp
     src/Util/string_util.cpp
-     "src/Util/Singleton.h" "src/Util/Disassembler.cpp" "src/Util/Disassembler.h" "src/Core/PS4/Util/aerolib.h" "src/Core/PS4/Loader/SymbolsResolver.h" "src/Core/PS4/Loader/SymbolsResolver.cpp" "src/Core/PS4/HLE/Libs.cpp" "src/Core/PS4/HLE/Libs.h" "src/Core/PS4/HLE/LibC.cpp" "src/Core/PS4/HLE/LibC.h" "src/Lib/Timer.cpp" "src/Lib/Timer.h" "src/Core/PS4/HLE/LibKernel.cpp" "src/Core/PS4/HLE/LibKernel.h" "src/Core/PS4/HLE/LibSceVideoOut.cpp" "src/Core/PS4/HLE/LibSceVideoOut.h" "src/Core/PS4/HLE/LibSceGnmDriver.cpp" "src/Core/PS4/HLE/LibSceGnmDriver.h" "src/Core/PS4/HLE/Kernel/ThreadManagement.cpp" "src/Core/PS4/HLE/Kernel/ThreadManagement.h" "src/Core/PS4/HLE/ErrorCodes.h" "src/debug.h" "src/Core/PS4/HLE/Kernel/memory_management.cpp" "src/Core/PS4/HLE/Kernel/memory_management.h")
+     "src/Util/Singleton.h" "src/Util/Disassembler.cpp" "src/Util/Disassembler.h" "src/Core/PS4/Util/aerolib.h" "src/Core/PS4/Loader/SymbolsResolver.h" "src/Core/PS4/Loader/SymbolsResolver.cpp" "src/Core/PS4/HLE/Libs.cpp" "src/Core/PS4/HLE/Libs.h" "src/Core/PS4/HLE/LibC.cpp" "src/Core/PS4/HLE/LibC.h" "src/Lib/Timer.cpp" "src/Lib/Timer.h" "src/Core/PS4/HLE/LibKernel.cpp" "src/Core/PS4/HLE/LibKernel.h" "src/Core/PS4/HLE/LibSceVideoOut.cpp" "src/Core/PS4/HLE/LibSceVideoOut.h" "src/Core/PS4/HLE/LibSceGnmDriver.cpp" "src/Core/PS4/HLE/LibSceGnmDriver.h" "src/Core/PS4/HLE/Kernel/ThreadManagement.cpp" "src/Core/PS4/HLE/Kernel/ThreadManagement.h" "src/Core/PS4/HLE/ErrorCodes.h" "src/debug.h" "src/Core/PS4/HLE/Kernel/memory_management.cpp" "src/Core/PS4/HLE/Kernel/memory_management.h" "src/Core/PS4/GPU/gpu_memory.cpp" "src/Core/PS4/GPU/gpu_memory.h")
 
 find_package(OpenGL REQUIRED)
 target_link_libraries(shadps4 PUBLIC fmt mincore spdlog IMGUI SDL3-shared ${OPENGL_LIBRARY})
diff --git a/src/Core/PS4/GPU/gpu_memory.cpp b/src/Core/PS4/GPU/gpu_memory.cpp
new file mode 100644
index 00000000..eb488d2e
--- /dev/null
+++ b/src/Core/PS4/GPU/gpu_memory.cpp
@@ -0,0 +1,5 @@
+#include "gpu_memory.h"
+
+namespace GPU {
+void GpuMemorySetAllocArea(u64 virtual_addr, u64 size) {}
+}  // namespace GPU
\ No newline at end of file
diff --git a/src/Core/PS4/GPU/gpu_memory.h b/src/Core/PS4/GPU/gpu_memory.h
new file mode 100644
index 00000000..84d77c07
--- /dev/null
+++ b/src/Core/PS4/GPU/gpu_memory.h
@@ -0,0 +1,9 @@
+#pragma once
+
+#include <types.h>
+
+namespace GPU {
+enum class GPUMemoryMode : u32 { NoAccess = 0, Read = 1, Write = 2, ReadWrite = 3 };
+
+void GpuMemorySetAllocArea(u64 virtual_addr, u64 size);
+}
\ No newline at end of file
diff --git a/src/Core/PS4/HLE/Kernel/Objects/physical_memory.cpp b/src/Core/PS4/HLE/Kernel/Objects/physical_memory.cpp
index 5e9e5d5d..647c33d0 100644
--- a/src/Core/PS4/HLE/Kernel/Objects/physical_memory.cpp
+++ b/src/Core/PS4/HLE/Kernel/Objects/physical_memory.cpp
@@ -24,6 +24,11 @@ bool PhysicalMemory::Alloc(u64 searchStart, u64 searchEnd, u64 len, u64 alignmen
         block.size = len;
         block.start_addr = find_free_pos;
         block.memoryType = memoryType;
+        block.gpu_mode = GPU::GPUMemoryMode::NoAccess;
+        block.map_size = 0;
+        block.map_virtual_addr = 0;
+        block.prot = 0;
+        block.cpu_mode = VirtualMemory::MemoryMode::NoAccess;
 
         m_allocatedBlocks.push_back(block);
 
@@ -33,4 +38,23 @@ bool PhysicalMemory::Alloc(u64 searchStart, u64 searchEnd, u64 len, u64 alignmen
 
     return false;
 }
+bool PhysicalMemory::Map(u64 virtual_addr, u64 phys_addr, u64 len, int prot, VirtualMemory::MemoryMode cpu_mode, GPU::GPUMemoryMode gpu_mode) {
+    for (auto& b : m_allocatedBlocks) {
+        if (phys_addr >= b.start_addr && phys_addr < b.start_addr + b.size) {
+            if (b.map_virtual_addr != 0 || b.map_size != 0) {
+                return false;
+            }
+
+            b.map_virtual_addr = virtual_addr;
+            b.map_size = len;
+            b.prot = prot;
+            b.cpu_mode = cpu_mode;
+            b.gpu_mode = gpu_mode;
+
+            return true;
+        }
+    }
+
+    return false;
+}
 }  // namespace HLE::Kernel::Objects
diff --git a/src/Core/PS4/HLE/Kernel/Objects/physical_memory.h b/src/Core/PS4/HLE/Kernel/Objects/physical_memory.h
index 71d2e076..5ef4e89a 100644
--- a/src/Core/PS4/HLE/Kernel/Objects/physical_memory.h
+++ b/src/Core/PS4/HLE/Kernel/Objects/physical_memory.h
@@ -1,6 +1,7 @@
 #pragma once
 #include <types.h>
-
+#include <Core/virtual_memory.h>
+#include <Core/PS4/GPU/gpu_memory.h>
 #include <vector>
 
 namespace HLE::Kernel::Objects {
@@ -11,12 +12,18 @@ class PhysicalMemory {
         u64 start_addr;
         u64 size;
         int memoryType;
+        u64 map_virtual_addr;
+        u64 map_size;
+        int prot;
+        VirtualMemory::MemoryMode cpu_mode;
+        GPU::GPUMemoryMode gpu_mode;
     };
     PhysicalMemory() {}
     virtual ~PhysicalMemory() {}
 
   public:
     bool Alloc(u64 searchStart, u64 searchEnd, u64 len, u64 alignment, u64* physAddrOut, int memoryType);
+    bool Map(u64 virtual_addr, u64 phys_addr, u64 len, int prot, VirtualMemory::MemoryMode cpu_mode, GPU::GPUMemoryMode gpu_mode);
 
   private:
     std::vector<AllocatedBlock> m_allocatedBlocks;
diff --git a/src/Core/PS4/HLE/Kernel/memory_management.cpp b/src/Core/PS4/HLE/Kernel/memory_management.cpp
index 37530ab9..26af2888 100644
--- a/src/Core/PS4/HLE/Kernel/memory_management.cpp
+++ b/src/Core/PS4/HLE/Kernel/memory_management.cpp
@@ -1,5 +1,7 @@
 #include "memory_management.h"
 
+#include <Core/PS4/GPU/gpu_memory.h>
+#include <Core/virtual_memory.h>
 #include <debug.h>
 
 #include <bit>
@@ -65,14 +67,63 @@ int PS4_SYSV_ABI sceKernelAllocateDirectMemory(s64 searchStart, s64 searchEnd, u
 
 int PS4_SYSV_ABI sceKernelMapDirectMemory(void** addr, u64 len, int prot, int flags, s64 directMemoryStart, u64 alignment) {
     PRINT_FUNCTION_NAME();
+    if (len == 0 || !is16KBAligned(len))
+    {
+        LOG_TRACE_IF(log_file_memory, "sceKernelMapDirectMemory returned SCE_KERNEL_ERROR_EINVAL len invalid\n");
+        return SCE_KERNEL_ERROR_EINVAL;
+    }
+    if (!is16KBAligned(directMemoryStart))
+    {
+        LOG_TRACE_IF(log_file_memory, "sceKernelMapDirectMemory returned SCE_KERNEL_ERROR_EINVAL directMemoryStart invalid\n");
+        return SCE_KERNEL_ERROR_EINVAL;
+    }
+    if (alignment != 0 || (!isPowerOfTwo(alignment) && !is16KBAligned(alignment)))
+    {
+        LOG_TRACE_IF(log_file_memory, "sceKernelMapDirectMemory returned SCE_KERNEL_ERROR_EINVAL alignment invalid\n");
+        return SCE_KERNEL_ERROR_EINVAL;
+    }
     auto* physical_memory = Singleton<HLE::Kernel::Objects::PhysicalMemory>::Instance();
+
     LOG_INFO_IF(log_file_memory, "len               = {}\n", log_hex_full(len));
     LOG_INFO_IF(log_file_memory, "prot              = {}\n", log_hex_full(prot));
     LOG_INFO_IF(log_file_memory, "flags             = {}\n", log_hex_full(flags));
     LOG_INFO_IF(log_file_memory, "directMemoryStart = {}\n", log_hex_full(directMemoryStart));
     LOG_INFO_IF(log_file_memory, "alignment         = {}\n", log_hex_full(alignment));
 
-    BREAKPOINT();
+    VirtualMemory::MemoryMode cpu_mode = VirtualMemory::MemoryMode::NoAccess;
+    GPU::GPUMemoryMode gpu_mode = GPU::GPUMemoryMode::NoAccess;
+
+    switch (prot) {
+        case 0x33://SCE_KERNEL_PROT_CPU_READ|SCE_KERNEL_PROT_CPU_WRITE|SCE_KERNEL_PROT_GPU_READ|SCE_KERNEL_PROT_GPU_ALL
+            cpu_mode = VirtualMemory::MemoryMode::ReadWrite;
+            gpu_mode = GPU::GPUMemoryMode::ReadWrite;
+            break;
+        default: BREAKPOINT();
+    }
+
+    auto in_addr = reinterpret_cast<u64>(*addr);
+    u64 out_addr = 0;
+
+    if (flags == 0) {
+        out_addr = VirtualMemory::memory_alloc_aligned(in_addr, len, cpu_mode, alignment);
+    }
+    LOG_INFO_IF(log_file_memory, "in_addr           = {}\n", log_hex_full(in_addr));
+    LOG_INFO_IF(log_file_memory, "out_addr          = {}\n", log_hex_full(out_addr));
+
+    *addr = reinterpret_cast<void*>(out_addr);  // return out_addr to first functions parameter
+
+    if (out_addr == 0) {
+        return SCE_KERNEL_ERROR_ENOMEM;
+    }
+
+    if (!physical_memory->Map(out_addr, directMemoryStart, len, prot, cpu_mode, gpu_mode)) {
+        BREAKPOINT();
+    }
+
+    if (gpu_mode != GPU::GPUMemoryMode::NoAccess) {
+        GPU::GpuMemorySetAllocArea(out_addr, len);
+    }
+
     return SCE_OK;
 }
 
diff --git a/src/Core/PS4/HLE/Kernel/memory_management.h b/src/Core/PS4/HLE/Kernel/memory_management.h
index 0fe55024..4a872cb5 100644
--- a/src/Core/PS4/HLE/Kernel/memory_management.h
+++ b/src/Core/PS4/HLE/Kernel/memory_management.h
@@ -6,6 +6,8 @@
 
 constexpr u64 SCE_KERNEL_MAIN_DMEM_SIZE = 5376_MB;  // ~ 6GB
 
+namespace HLE::Libs::LibKernel::MemoryManagement {
+
 // memory types
 
 enum MemoryTypes : u32 {
@@ -15,7 +17,6 @@ enum MemoryTypes : u32 {
 };
 
 enum MemoryFlags : u32 {
-    NOT_SPECIFIED = 0,              // not in SCE but it is a possible value (aligned memory)
     SCE_KERNEL_MAP_FIXED = 0x0010,  // Fixed
     SCE_KERNEL_MAP_NO_OVERWRITE = 0x0080,
     SCE_KERNEL_MAP_NO_COALESCE = 0x400000
@@ -28,7 +29,6 @@ enum MemoryProtection : u32 {
     SCE_KERNEL_PROT_GPU_WRITE = 0x20,  // Permit writes from the GPU
     SCE_KERNEL_PROT_GPU_RW = 0x30      // Permit reads/writes from the GPU
 };
-namespace HLE::Libs::LibKernel::MemoryManagement {
 
 u64 PS4_SYSV_ABI sceKernelGetDirectMemorySize();
 int PS4_SYSV_ABI sceKernelAllocateDirectMemory(s64 searchStart, s64 searchEnd, u64 len, u64 alignment, int memoryType, s64* physAddrOut);