1 files changed, 0 insertions, 95 deletions
diff --git a/Kernel/Bus/PCI/IOAccess.cpp b/Kernel/Bus/PCI/IOAccess.cpp
deleted file mode 100644
index 37beb6db22..0000000000
--- a/Kernel/Bus/PCI/IOAccess.cpp
+++ /dev/null
@@ -1,95 +0,0 @@
-/*
- * Copyright (c) 2020, Liav A. <liavalb@hotmail.co.il>
- *
- * SPDX-License-Identifier: BSD-2-Clause
- */
-
-#include <Kernel/Bus/PCI/IOAccess.h>
-#include <Kernel/Debug.h>
-#include <Kernel/IO.h>
-#include <Kernel/Sections.h>
-
-namespace Kernel {
-namespace PCI {
-
-UNMAP_AFTER_INIT void IOAccess::initialize()
-{
-    if (!Access::is_initialized()) {
-        new IOAccess();
-        dbgln_if(PCI_DEBUG, "PCI: IO access initialised.");
-    }
-}
-
-UNMAP_AFTER_INIT IOAccess::IOAccess()
-{
-    dmesgln("PCI: Using I/O instructions for PCI configuration space access");
-    enumerate_hardware([&](const Address& address, ID id) {
-        m_physical_ids.append({ address, id, get_capabilities(address) });
-    });
-}
-
-u8 IOAccess::read8_field(Address address, u32 field)
-{
-    dbgln_if(PCI_DEBUG, "PCI: IO Reading 8-bit field {:#08x} for {}", field, address);
-    return Access::early_read8_field(address, field);
-}
-
-u16 IOAccess::read16_field(Address address, u32 field)
-{
-    dbgln_if(PCI_DEBUG, "PCI: IO Reading 16-bit field {:#08x} for {}", field, address);
-    return Access::early_read16_field(address, field);
-}
-
-u32 IOAccess::read32_field(Address address, u32 field)
-{
-    dbgln_if(PCI_DEBUG, "PCI: IO Reading 32-bit field {:#08x} for {}", field, address);
-    return Access::early_read32_field(address, field);
-}
-
-void IOAccess::write8_field(Address address, u32 field, u8 value)
-{
-    dbgln_if(PCI_DEBUG, "PCI: IO Writing to 8-bit field {:#08x}, value={:#02x} for {}", field, value, address);
-    IO::out32(PCI_ADDRESS_PORT, address.io_address_for_field(field));
-    IO::out8(PCI_VALUE_PORT + (field & 3), value);
-}
-void IOAccess::write16_field(Address address, u32 field, u16 value)
-{
-    dbgln_if(PCI_DEBUG, "PCI: IO Writing to 16-bit field {:#08x}, value={:#02x} for {}", field, value, address);
-    IO::out32(PCI_ADDRESS_PORT, address.io_address_for_field(field));
-    IO::out16(PCI_VALUE_PORT + (field & 2), value);
-}
-void IOAccess::write32_field(Address address, u32 field, u32 value)
-{
-    dbgln_if(PCI_DEBUG, "PCI: IO Writing to 32-bit field {:#08x}, value={:#02x} for {}", field, value, address);
-    IO::out32(PCI_ADDRESS_PORT, address.io_address_for_field(field));
-    IO::out32(PCI_VALUE_PORT, value);
-}
-
-void IOAccess::enumerate_hardware(Function<void(Address, ID)> callback)
-{
-    dbgln_if(PCI_DEBUG, "PCI: IO enumerating hardware");
-
-    // First scan bus 0. Find any device on that bus, and if it's a PCI-to-PCI
-    // bridge, recursively scan it too.
-    m_enumerated_buses.set(0, true);
-    enumerate_bus(-1, 0, callback, true);
-
-    // Handle Multiple PCI host bridges on slot 0, device 0.
-    // If we happen to miss some PCI buses because they are not reachable through
-    // recursive PCI-to-PCI bridges starting from bus 0, we might find them here.
-    if ((read8_field(Address(), PCI_HEADER_TYPE) & 0x80) != 0) {
-        for (int bus = 1; bus < 256; ++bus) {
-            if (read16_field(Address(0, 0, 0, bus), PCI_VENDOR_ID) == PCI_NONE)
-                continue;
-            if (read16_field(Address(0, 0, 0, bus), PCI_CLASS) != 0x6)
-                continue;
-            if (m_enumerated_buses.get(bus))
-                continue;
-            enumerate_bus(-1, bus, callback, false);
-            m_enumerated_buses.set(bus, true);
-        }
-    }
-}
-
-}
-}