Kernel: Modernize the E1000(E) driver using the new IORegister API

This also adds some quirk handling, and 64 bit DMA support, which where
previously missing.

Kernel/Net/Intel/E1000ENetworkAdapter.cpp

@@ -218,8 +218,9 @@ UNMAP_AFTER_INIT ErrorOr<void> E1000ENetworkAdapter::initialize(Badge<Networking
     dmesgln("E1000e: Found @ {}", device_identifier().address());
     enable_bus_mastering(device_identifier());
 
-    dmesgln("E1000e: IO base: {}", m_registers_io_window);
+    dmesgln("E1000e: IO base: {}", m_registers.window());
     dmesgln("E1000e: Interrupt line: {}", interrupt_number());
+    check_quirks();
     detect_eeprom();
     dmesgln("E1000e: Has EEPROM? {}", m_has_eeprom.was_set());
     read_mac_address();
@@ -253,20 +254,8 @@ UNMAP_AFTER_INIT E1000ENetworkAdapter::~E1000ENetworkAdapter() = default;
 UNMAP_AFTER_INIT void E1000ENetworkAdapter::detect_eeprom()
 {
     // Section 13.4.3 of https://www.intel.com/content/dam/doc/manual/pci-pci-x-family-gbe-controllers-software-dev-manual.pdf
-    if (in32(REG_EECD) & EECD_PRES)
+    if (m_registers.read<Register::EEPROMControl>().eeprom_present)
         m_has_eeprom.set();
 }
 
-UNMAP_AFTER_INIT u32 E1000ENetworkAdapter::read_eeprom(u8 address)
-{
-    VERIFY(m_has_eeprom.was_set());
-    u16 data = 0;
-    u32 tmp = 0;
-    out32(REG_EEPROM, ((u32)address << 2) | 1);
-    while (!((tmp = in32(REG_EEPROM)) & (1 << 1)))
-        Processor::wait_check();
-    data = (tmp >> 16) & 0xffff;
-    return data;
-}
-
 }

Kernel/Net/Intel/E1000ENetworkAdapter.h

@@ -37,6 +37,5 @@ class E1000ENetworkAdapter final
     virtual StringView class_name() const override { return "E1000ENetworkAdapter"sv; }
 
     virtual void detect_eeprom() override;
-    virtual u32 read_eeprom(u8 address) override;
 };
 }