diff --git a/src/core/devices/gc_device.cpp b/src/core/devices/gc_device.cpp
index 866a72675..94a4a585a 100644
--- a/src/core/devices/gc_device.cpp
+++ b/src/core/devices/gc_device.cpp
@@ -2,7 +2,11 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #include "common/logging/log.h"
-#include "gc_device.h"
+#include "core/devices/gc_device.h"
+#include "core/libraries/kernel/posix_error.h"
+#include "core/libraries/gnmdriver/gnmdriver.h"
+#include "core/memory.h"
+#include "common/assert.h"
 
 namespace Core::Devices {
 
@@ -11,27 +15,93 @@ std::shared_ptr<BaseDevice> GcDevice::Create(u32 handle, const char*, int, u16)
         reinterpret_cast<Devices::BaseDevice*>(new GcDevice(handle)));
 }
 
+
+
+s32* submits_addr = 0;
+
 s32 GcDevice::ioctl(u64 cmd, Common::VaCtx* args) {
     auto command = GcCommands(cmd);
     switch(command) {
-    case GcCommands::AreSubmitsAllowed: {
-        LOG_ERROR(Lib_GnmDriver, "unhandled ioctl sceGnmAreSubmitsAllowed", cmd);
-        break;
-    }
-    case GcCommands::GetCuMask: {
-        LOG_ERROR(Lib_GnmDriver, "unhandled ioctl get cu mask", cmd);
-        break;
-    }
     case GcCommands::GetNumTcaUnits: {
-        LOG_ERROR(Lib_GnmDriver, "unhandled ioctl sceGnmGetNumTcaUnits", cmd);
+        auto data = vaArgPtr<s32*>(&args->va_list);
+        *data = 0;
         break;
     }
-    case GcCommands::MipStatsReport: {
-        LOG_ERROR(Lib_GnmDriver, "unhandled ioctl sceGnmMipStatsReport", cmd);
+    case GcCommands::AreSubmitsAllowed: {
+        LOG_INFO(Lib_GnmDriver, "ioctl AreSubmitsAllowed");
+        if (submits_addr == nullptr) {
+            auto* memory = Core::Memory::Instance();
+            s32* out_addr;
+            VAddr in_addr{0xfe0100000};
+            auto prot = Core::MemoryProt::CpuRead;
+            auto flags = Core::MemoryMapFlags::Shared | Core::MemoryMapFlags::Anon | Core::MemoryMapFlags::System;
+            auto type = Core::VMAType::Direct;
+            s32 result = memory->MapMemory(reinterpret_cast<void**>(&out_addr), in_addr, 0x4000, prot, flags, type);
+            if (result != 0) {
+                return POSIX_ENOMEM;
+            }
+            submits_addr = out_addr;
+        }
+        auto data = vaArgPtr<s32*>(&args->va_list);
+        *data = submits_addr;
+
+        *submits_addr = 0;
         break;
     }
     case GcCommands::SetGsRingSizes: {
-        LOG_ERROR(Lib_GnmDriver, "unhandled ioctl sceGnmSetGsRingSizes", cmd);
+        auto data = vaArgPtr<SetGsRingSizesArgs>(&args->va_list);
+        LOG_ERROR(Lib_GnmDriver, "unhandled ioctl SetGsRingSizes, esgs size = {:#x}, gsvs size = {:#x}", data->esgs_ring_size, data->gsvs_ring_size);
+        break;
+    }
+    case GcCommands::Submit: {
+        ASSERT(true);
+        LOG_ERROR(Lib_GnmDriver, "ioctl Submit");
+        auto data = vaArgPtr<SubmitArgs>(&args->va_list);
+        auto commands = std::span{data->cmds, data->count};
+        // Submit ioctl receives an indirect buffer packet
+        break;
+    }
+    case GcCommands::GetCuMask: {
+        auto data = vaArgPtr<s32>(&args->va_list);
+        data[0] = 0x10;
+        data[1] = 0x10;
+        data[2] = 0;
+        data[3] = 0;
+        break;
+    }
+    case GcCommands::SubmitEop: {
+        ASSERT(true);
+        LOG_ERROR(Lib_GnmDriver, "ioctl SubmitEop");
+        auto data = vaArgPtr<SubmitEopArgs>(&args->va_list);
+        auto commands = std::span{data->cmds, data->count};
+        // Submit ioctl receives an indirect buffer packet
+        break;
+    }
+    case GcCommands::MapComputeQueue: {
+        ASSERT(true);
+        auto data = vaArgPtr<MapComputeQueueArgs>(&args->va_list);
+        auto pipe_id = data->pipe_lo - 1;
+        auto ring_size = pow(2, data->ring_size_dw);
+        LOG_ERROR(Lib_GnmDriver, "ioctl MapComputeQueue, pipe_id = {}", pipe_id);
+        Libraries::GnmDriver::sceGnmMapComputeQueueWithPriority(pipe_id, data->queue_id, data->ring_base_addr, ring_size, data->read_ptr_addr, data->pipe_priority);
+        break;
+    }
+    case GcCommands::SetWaveLimitMultipliers: {
+        LOG_ERROR(Lib_GnmDriver, "ioctl SetWaveLimitMultipliers");
+        auto data = vaArgPtr<SetWaveLimitMultipliersArgs>(&args->va_list);
+        break;
+    }
+    case GcCommands::MipStatsReport: {
+        auto data = vaArgPtr<SetMipStatsReportArgs>(&args->va_list);
+        switch(data->type) {
+        case 0x10001:
+        case 0x18001: {
+            break;
+        }
+        default: {
+            return POSIX_EINVAL;
+        }
+        }
         break;
     }
     default: {
diff --git a/src/core/devices/gc_device.h b/src/core/devices/gc_device.h
index 2541b7c45..9e7e01490 100644
--- a/src/core/devices/gc_device.h
+++ b/src/core/devices/gc_device.h
@@ -31,10 +31,61 @@ public:
 private:
     enum class GcCommands : u64 {
         GetNumTcaUnits = 0xc004811f,
-        SetGsRingSizes = 0xc00c8110,
-        MipStatsReport = 0xc0848119,
         AreSubmitsAllowed = 0xc008811b,
+        SetGsRingSizes = 0xc00c8110,
+        Submit = 0xc0108102,
         GetCuMask = 0xc010810b,
+        SubmitEop = 0xc020810c,
+        MapComputeQueue = 0xc030810d,
+        SetWaveLimitMultipliers = 0xc030811e,
+        MipStatsReport = 0xc0848119,
+    };
+
+    struct SetGsRingSizesArgs {
+        u32 esgs_ring_size;
+        u32 gsvs_ring_size;
+        u32 unk;
+    };
+
+    struct SubmitArgs {
+        u32 pid;
+        u32 count;
+        u64* cmds;
+    };
+    
+    struct SubmitEopArgs {
+        u32 pid;
+        u32 count;
+        u64* cmds;
+        u64 eop_v;
+        s32 wait;
+    };
+
+    struct MapComputeQueueArgs {
+        u32 pipe_hi;
+        u32 pipe_lo;
+        u32 queue_id;
+        u32 g_queue_id;
+        VAddr ring_base_addr;
+        u32* read_ptr_addr;
+        VAddr ding_dong_ptr;
+        u32 ring_size_dw;
+        u32 pipe_priority;
+    };
+
+    struct SetWaveLimitMultipliersArgs {
+        s32 bitset;
+        s32 values[8];
+        s32 unk0;
+        s32 unk1;
+        s32 unk2;
+    };
+
+    struct SetMipStatsReportArgs {
+        u32 type;
+        u32 unk0;
+        u32 unk1;
+        u32 unk2;
     };
 };
 
diff --git a/src/core/libraries/gnmdriver/gnmdriver.cpp b/src/core/libraries/gnmdriver/gnmdriver.cpp
index 02d888bd1..108b48186 100644
--- a/src/core/libraries/gnmdriver/gnmdriver.cpp
+++ b/src/core/libraries/gnmdriver/gnmdriver.cpp
@@ -2817,10 +2817,35 @@ void InitializePresenter() {
                                          nullptr);
 }
 
-void RegisterlibSceGnmDriver(Core::Loader::SymbolsResolver* sym) {
-    LIB_FUNCTION("b0xyllnVY-I", "libSceGnmDriver", 1, "libSceGnmDriver", 1, 1, sceGnmAddEqEvent);
+void RegisterRequiredGnmDriver(Core::Loader::SymbolsResolver* sym) {
+    LIB_FUNCTION("29oKvKXzEZo", "libSceGnmDriver", 1, "libSceGnmDriver", 1, 1,
+                 sceGnmMapComputeQueue);
+    LIB_FUNCTION("A+uGq+3KFtQ", "libSceGnmDriver", 1, "libSceGnmDriver", 1, 1,
+                 sceGnmMapComputeQueueWithPriority);
+    LIB_FUNCTION("gObODli-OH8", "libSceGnmDriver", 1, "libSceGnmDriver", 1, 1,
+                 sceGnmRequestFlipAndSubmitDone);
+    LIB_FUNCTION("6YRHhh5mHCs", "libSceGnmDriver", 1, "libSceGnmDriver", 1, 1,
+                 sceGnmRequestFlipAndSubmitDoneForWorkload);
+    LIB_FUNCTION("xbxNatawohc", "libSceGnmDriver", 1, "libSceGnmDriver", 1, 1,
+                 sceGnmSubmitAndFlipCommandBuffers);
+    LIB_FUNCTION("Ga6r7H6Y0RI", "libSceGnmDriver", 1, "libSceGnmDriver", 1, 1,
+                 sceGnmSubmitAndFlipCommandBuffersForWorkload);
+    LIB_FUNCTION("zwY0YV91TTI", "libSceGnmDriver", 1, "libSceGnmDriver", 1, 1,
+                 sceGnmSubmitCommandBuffers);
+    LIB_FUNCTION("jRcI8VcgTz4", "libSceGnmDriver", 1, "libSceGnmDriver", 1, 1,
+                 sceGnmSubmitCommandBuffersForWorkload);
+    LIB_FUNCTION("yvZ73uQUqrk", "libSceGnmDriver", 1, "libSceGnmDriver", 1, 1, sceGnmSubmitDone);
+    LIB_FUNCTION("ArSg-TGinhk", "libSceGnmDriver", 1, "libSceGnmDriver", 1, 1,
+                 sceGnmUnmapComputeQueue);
+    LIB_FUNCTION("bX5IbRvECXk", "libSceGnmDriver", 1, "libSceGnmDriver", 1, 1, sceGnmDingDong);
+    LIB_FUNCTION("byXlqupd8cE", "libSceGnmDriver", 1, "libSceGnmDriver", 1, 1,
+                 sceGnmDingDongForWorkload);
     LIB_FUNCTION("b08AgtPlHPg", "libSceGnmDriver", 1, "libSceGnmDriver", 1, 1,
                  sceGnmAreSubmitsAllowed);
+}
+
+void RegisterlibSceGnmDriver(Core::Loader::SymbolsResolver* sym) {
+    LIB_FUNCTION("b0xyllnVY-I", "libSceGnmDriver", 1, "libSceGnmDriver", 1, 1, sceGnmAddEqEvent);
     LIB_FUNCTION("ihxrbsoSKWc", "libSceGnmDriver", 1, "libSceGnmDriver", 1, 1, sceGnmBeginWorkload);
     LIB_FUNCTION("ffrNQOshows", "libSceGnmDriver", 1, "libSceGnmDriver", 1, 1,
                  sceGnmComputeWaitOnAddress);
@@ -2851,9 +2876,6 @@ void RegisterlibSceGnmDriver(Core::Loader::SymbolsResolver* sym) {
     LIB_FUNCTION("PVT+fuoS9gU", "libSceGnmDriver", 1, "libSceGnmDriver", 1, 1, sceGnmDeleteEqEvent);
     LIB_FUNCTION("UtObDRQiGbs", "libSceGnmDriver", 1, "libSceGnmDriver", 1, 1,
                  sceGnmDestroyWorkloadStream);
-    LIB_FUNCTION("bX5IbRvECXk", "libSceGnmDriver", 1, "libSceGnmDriver", 1, 1, sceGnmDingDong);
-    LIB_FUNCTION("byXlqupd8cE", "libSceGnmDriver", 1, "libSceGnmDriver", 1, 1,
-                 sceGnmDingDongForWorkload);
     LIB_FUNCTION("HHo1BAljZO8", "libSceGnmDriver", 1, "libSceGnmDriver", 1, 1,
                  sceGnmDisableMipStatsReport);
     LIB_FUNCTION("0BzLGljcwBo", "libSceGnmDriver", 1, "libSceGnmDriver", 1, 1,
@@ -2998,10 +3020,6 @@ void RegisterlibSceGnmDriver(Core::Loader::SymbolsResolver* sym) {
                  sceGnmLogicalCuMaskToPhysicalCuMask);
     LIB_FUNCTION("Kl0Z3LH07QI", "libSceGnmDriver", 1, "libSceGnmDriver", 1, 1,
                  sceGnmLogicalTcaUnitToPhysical);
-    LIB_FUNCTION("29oKvKXzEZo", "libSceGnmDriver", 1, "libSceGnmDriver", 1, 1,
-                 sceGnmMapComputeQueue);
-    LIB_FUNCTION("A+uGq+3KFtQ", "libSceGnmDriver", 1, "libSceGnmDriver", 1, 1,
-                 sceGnmMapComputeQueueWithPriority);
     LIB_FUNCTION("+N+wrSYBLIw", "libSceGnmDriver", 1, "libSceGnmDriver", 1, 1,
                  sceGnmPaDisableFlipCallbacks);
     LIB_FUNCTION("8WDA9RiXLaw", "libSceGnmDriver", 1, "libSceGnmDriver", 1, 1,
@@ -3018,10 +3036,6 @@ void RegisterlibSceGnmDriver(Core::Loader::SymbolsResolver* sym) {
     LIB_FUNCTION("ZFqKFl23aMc", "libSceGnmDriver", 1, "libSceGnmDriver", 1, 1, sceGnmRegisterOwner);
     LIB_FUNCTION("nvEwfYAImTs", "libSceGnmDriver", 1, "libSceGnmDriver", 1, 1,
                  sceGnmRegisterResource);
-    LIB_FUNCTION("gObODli-OH8", "libSceGnmDriver", 1, "libSceGnmDriver", 1, 1,
-                 sceGnmRequestFlipAndSubmitDone);
-    LIB_FUNCTION("6YRHhh5mHCs", "libSceGnmDriver", 1, "libSceGnmDriver", 1, 1,
-                 sceGnmRequestFlipAndSubmitDoneForWorkload);
     LIB_FUNCTION("f85orjx7qts", "libSceGnmDriver", 1, "libSceGnmDriver", 1, 1,
                  sceGnmRequestMipStatsReportAndReset);
     LIB_FUNCTION("MYRtYhojKdA", "libSceGnmDriver", 1, "libSceGnmDriver", 1, 1,
@@ -3131,17 +3145,6 @@ void RegisterlibSceGnmDriver(Core::Loader::SymbolsResolver* sym) {
                  sceGnmSqttSwitchTraceBuffer2);
     LIB_FUNCTION("QLzOwOF0t+A", "libSceGnmDriver", 1, "libSceGnmDriver", 1, 1,
                  sceGnmSqttWaitForEvent);
-    LIB_FUNCTION("xbxNatawohc", "libSceGnmDriver", 1, "libSceGnmDriver", 1, 1,
-                 sceGnmSubmitAndFlipCommandBuffers);
-    LIB_FUNCTION("Ga6r7H6Y0RI", "libSceGnmDriver", 1, "libSceGnmDriver", 1, 1,
-                 sceGnmSubmitAndFlipCommandBuffersForWorkload);
-    LIB_FUNCTION("zwY0YV91TTI", "libSceGnmDriver", 1, "libSceGnmDriver", 1, 1,
-                 sceGnmSubmitCommandBuffers);
-    LIB_FUNCTION("jRcI8VcgTz4", "libSceGnmDriver", 1, "libSceGnmDriver", 1, 1,
-                 sceGnmSubmitCommandBuffersForWorkload);
-    LIB_FUNCTION("yvZ73uQUqrk", "libSceGnmDriver", 1, "libSceGnmDriver", 1, 1, sceGnmSubmitDone);
-    LIB_FUNCTION("ArSg-TGinhk", "libSceGnmDriver", 1, "libSceGnmDriver", 1, 1,
-                 sceGnmUnmapComputeQueue);
     LIB_FUNCTION("yhFCnaz5daw", "libSceGnmDriver", 1, "libSceGnmDriver", 1, 1,
                  sceGnmUnregisterAllResourcesForOwner);
     LIB_FUNCTION("fhKwCVVj9nk", "libSceGnmDriver", 1, "libSceGnmDriver", 1, 1,
diff --git a/src/core/libraries/gnmdriver/gnmdriver.h b/src/core/libraries/gnmdriver/gnmdriver.h
index 94f1392d8..94167cef1 100644
--- a/src/core/libraries/gnmdriver/gnmdriver.h
+++ b/src/core/libraries/gnmdriver/gnmdriver.h
@@ -297,5 +297,6 @@ int PS4_SYSV_ABI Func_BFB41C057478F0BF();
 int PS4_SYSV_ABI Func_E51D44DB8151238C();
 int PS4_SYSV_ABI Func_F916890425496553();
 
+void RegisterRequiredGnmDriver(Core::Loader::SymbolsResolver* sym);
 void RegisterlibSceGnmDriver(Core::Loader::SymbolsResolver* sym);
 } // namespace Libraries::GnmDriver
diff --git a/src/core/libraries/kernel/memory.h b/src/core/libraries/kernel/memory.h
index 400b6c3fc..2a86f3843 100644
--- a/src/core/libraries/kernel/memory.h
+++ b/src/core/libraries/kernel/memory.h
@@ -129,6 +129,8 @@ s32 PS4_SYSV_ABI sceKernelMemoryPoolReserve(void* addrIn, size_t len, size_t ali
 s32 PS4_SYSV_ABI sceKernelMemoryPoolCommit(void* addr, size_t len, int type, int prot, int flags);
 s32 PS4_SYSV_ABI sceKernelMemoryPoolDecommit(void* addr, size_t len, int flags);
 
+int PS4_SYSV_ABI sceKernelMmap(void* addr, u64 len, int prot, int flags, int fd, size_t offset, void** res);
+
 int PS4_SYSV_ABI sceKernelMunmap(void* addr, size_t len);
 
 void RegisterMemory(Core::Loader::SymbolsResolver* sym);
diff --git a/src/core/libraries/libs.cpp b/src/core/libraries/libs.cpp
index 658e36bad..8d8d755cf 100644
--- a/src/core/libraries/libs.cpp
+++ b/src/core/libraries/libs.cpp
@@ -67,6 +67,7 @@ void InitHLELibs(Core::Loader::SymbolsResolver* sym) {
     LOG_INFO(Lib_Kernel, "Initializing HLE libraries");
     Libraries::Kernel::RegisterKernel(sym);
     Libraries::GnmDriver::InitializePresenter();
+    Libraries::GnmDriver::RegisterRequiredGnmDriver(sym);
     Libraries::VideoOut::RegisterLib(sym);
     Libraries::UserService::RegisterlibSceUserService(sym);
     Libraries::SystemService::RegisterlibSceSystemService(sym);
diff --git a/src/core/memory.h b/src/core/memory.h
index f8ab7efd7..13dfb8d3d 100644
--- a/src/core/memory.h
+++ b/src/core/memory.h
@@ -41,8 +41,10 @@ enum class MemoryMapFlags : u32 {
     Shared = 1,
     Private = 2,
     Fixed = 0x10,
-    NoOverwrite = 0x0080,
+    NoOverwrite = 0x80,
     NoSync = 0x800,
+    Anon = 0x1000,
+    System = 0x2000,
     NoCore = 0x20000,
     NoCoalesce = 0x400000,
 };