Organize driver binding files

2025-07-06 12:59:18 +00:00 · 2023-04-11 12:41:50 +03:00
parent 411b468f71
commit 37f5b77421
34 changed files with 2156 additions and 1232 deletions
--- a/Core/Driver/DriverBinding/PCI/Network.cpp
+++ b/Core/Driver/DriverBinding/PCI/Network.cpp
@ -0,0 +1,110 @@
+/*
+   This file is part of Fennix Kernel.
+
+   Fennix Kernel is free software: you can redistribute it and/or
+   modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of
+   the License, or (at your option) any later version.
+
+   Fennix Kernel is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
+*/
+
+#include "../../api.hpp"
+
+#include <ints.hpp>
+#include <memory.hpp>
+#include <task.hpp>
+#include <lock.hpp>
+#include <printf.h>
+#include <cwalk.h>
+#include <md5.h>
+
+#include "../../../../kernel.h"
+#include "../../../../DAPI.hpp"
+#include "../../../../Fex.hpp"
+
+namespace Driver
+{
+    DriverCode Driver::BindPCINetwork(Memory::MemMgr *mem, void *fex, PCI::PCIDeviceHeader *PCIDevice)
+    {
+        FexExtended *fexExtended = (FexExtended *)((uintptr_t)fex + EXTENDED_SECTION_ADDRESS);
+
+        if (fexExtended->Driver.OverrideOnConflict)
+        {
+            std::vector<uint64_t> DriversToRemove = std::vector<uint64_t>();
+            foreach (auto Drv in Drivers)
+            {
+                FexExtended *fe = ((FexExtended *)((uintptr_t)Drv.Address + EXTENDED_SECTION_ADDRESS));
+
+                if (fe->Driver.OverrideOnConflict)
+                {
+                    debug("Driver %s is conflicting with %s", fe->Driver.Name, fexExtended->Driver.Name);
+                    return DriverCode::DRIVER_CONFLICT;
+                }
+
+                DriversToRemove.push_back(Drv.DriverUID);
+            }
+
+            foreach (auto DrvID in DriversToRemove)
+            {
+                if (!this->UnloadDriver(DrvID))
+                {
+                    error("Failed to unload conflicting driver %d", DrvID);
+                    return DriverCode::DRIVER_CONFLICT;
+                }
+            }
+        }
+        else
+        {
+            foreach (auto Drv in Drivers)
+            {
+                FexExtended *fe = ((FexExtended *)((uintptr_t)Drv.Address + EXTENDED_SECTION_ADDRESS));
+
+                if (fe->Driver.OverrideOnConflict)
+                {
+                    debug("Driver %s is conflicting with %s", fe->Driver.Name, fexExtended->Driver.Name);
+                    return DriverCode::DRIVER_CONFLICT;
+                }
+            }
+        }
+
+        DriverFile DrvFile = {
+            .Enabled = true,
+            .DriverUID = this->DriverUIDs - 1,
+            .Address = (void *)fex,
+            .InterruptCallback = (void *)((uintptr_t)fex + (uintptr_t)fexExtended->Driver.InterruptCallback),
+            .MemTrk = mem,
+        };
+        if (fexExtended->Driver.InterruptCallback)
+            DrvFile.InterruptHook[0] = new DriverInterruptHook(((int)((PCI::PCIHeader0 *)PCIDevice)->InterruptLine), DrvFile);
+
+        KernelCallback KCallback{};
+        KCallback.RawPtr = PCIDevice;
+        KCallback.Reason = CallbackReason::ConfigurationReason;
+        int CallbackRet = ((int (*)(KernelCallback *))((uintptr_t)fexExtended->Driver.Callback + (uintptr_t)fex))(&KCallback);
+
+        if (CallbackRet == DriverReturnCode::NOT_IMPLEMENTED)
+        {
+            error("Driver %s is not implemented", fexExtended->Driver.Name);
+            delete mem, mem = nullptr;
+            return DriverCode::NOT_IMPLEMENTED;
+        }
+        else if (CallbackRet == DriverReturnCode::OK)
+            trace("Device found for driver: %s", fexExtended->Driver.Name);
+        else
+        {
+            error("Driver %s returned error %d", fexExtended->Driver.Name, CallbackRet);
+            delete mem, mem = nullptr;
+            return DriverCode::DRIVER_RETURNED_ERROR;
+        }
+
+        Drivers.push_back(DrvFile);
+        return DriverCode::OK;
+    }
+}