Added drivers

2025-07-07 21:39:16 +00:00 · 2022-11-01 02:01:47 +02:00
parent 417eeca40b
commit 8dbabcbde6
23 changed files with 2134 additions and 1 deletions
--- a/Network/AMDPCNET/pcnet.cpp
+++ b/Network/AMDPCNET/pcnet.cpp
@ -0,0 +1,123 @@
+#include <netools.h>
+#include <pci.h>
+#include <io.h>
+
+#include "../../../Kernel/DAPI.hpp"
+#include "../../../Kernel/Fex.hpp"
+
+extern "C" int DriverEntry(KernelAPI *Data);
+int CallbackHandler(KernelCallback *Data);
+
+HEAD(FexFormatType_Driver, FexOSType_Fennix, DriverEntry);
+
+#pragma GCC diagnostic ignored "-Wmissing-field-initializers"
+
+__attribute__((section(".extended"))) FexExtended ExtendedHeader = {
+    .Driver = {
+        .Name = "AMD PCNET",
+        .Type = FexDriverType_Network,
+        .Callback = CallbackHandler,
+        .Bind = {
+            .Type = BIND_PCI,
+            .PCI = {
+                .VendorID = 0x1022,
+                .DeviceID = 0x2000,
+                .Class = 0x2,
+                .SubClass = 0x0,
+                .ProgIF = 0x0,
+            }}}};
+
+KernelAPI *KAPI;
+
+/* --------------------------------------------------------------------------------------------------------- */
+
+struct BARData
+{
+    uint8_t Type;
+    uint64_t IOBase;
+    uint64_t MemoryBase;
+};
+
+PCIDeviceHeader *PCIBaseAddress;
+BARData BAR;
+
+MediaAccessControl MAC;
+InternetProtocol4 IP;
+
+void WriteRAP32(uint32_t Value) { outportl(BAR.IOBase + 0x14, Value); }
+void WriteRAP16(uint16_t Value) { outportw(BAR.IOBase + 0x12, Value); }
+
+uint32_t ReadCSR32(uint32_t CSR)
+{
+    WriteRAP32(CSR);
+    return inportl(BAR.IOBase + 0x10);
+}
+
+uint16_t ReadCSR16(uint16_t CSR)
+{
+    WriteRAP32(CSR);
+    return inportw(BAR.IOBase + 0x10);
+}
+
+void WriteCSR32(uint32_t CSR, uint32_t Value)
+{
+    WriteRAP32(CSR);
+    outportl(BAR.IOBase + 0x10, Value);
+}
+
+void WriteCSR16(uint16_t CSR, uint16_t Value)
+{
+    WriteRAP16(CSR);
+    outportw(BAR.IOBase + 0x10, Value);
+}
+
+int DriverEntry(KernelAPI *Data)
+{
+    if (!Data)
+        return INVALID_KERNEL_API;
+    if (Data->Version.Major < 0 || Data->Version.Minor < 0 || Data->Version.Patch < 0)
+        return KERNEL_API_VERSION_NOT_SUPPORTED;
+    KAPI = Data;
+    return OK;
+}
+
+int CallbackHandler(KernelCallback *Data)
+{
+    switch (Data->Reason)
+    {
+    case AcknowledgeReason:
+    {
+        KAPI->Util.DebugPrint(((char *)"Kernel acknowledged the driver." + KAPI->Info.Offset), KAPI->Info.DriverUID);
+        break;
+    }
+    case ConfigurationReason:
+    {
+        KAPI->Util.DebugPrint(((char *)"Kernel received configuration data." + KAPI->Info.Offset), KAPI->Info.DriverUID);
+        PCIBaseAddress = reinterpret_cast<PCIDeviceHeader *>(Data->RawPtr);
+        if (PCIBaseAddress->VendorID == 0x1022 && PCIBaseAddress->DeviceID == 0x2000)
+        {
+            KAPI->Util.DebugPrint(((char *)"Found AMD PCNET." + KAPI->Info.Offset), KAPI->Info.DriverUID);
+            uint32_t PCIBAR = ((PCIHeader0 *)PCIBaseAddress)->BAR0;
+            BAR.Type = PCIBAR & 1;
+            BAR.IOBase = PCIBAR & (~3);
+            BAR.MemoryBase = PCIBAR & (~15);
+        }
+        else
+            return DEVICE_NOT_SUPPORTED;
+        break;
+    }
+    case InterruptReason:
+    {
+        break;
+    }
+    case SendReason:
+    {
+    }
+    default:
+    {
+        KAPI->Util.DebugPrint(((char *)"Unknown reason." + KAPI->Info.Offset), KAPI->Info.DriverUID);
+        break;
+    }
+    }
+    return OK;
+}