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Kernel: Slap UNMAP_AFTER_INIT on a bunch more functions

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We're now able to unmap 100 KiB of kernel text after init. :^)
This commit is contained in:
Andreas Kling 2021-02-19 21:29:46 +01:00
parent e920c74cae
commit 2b2828ae52
Notes: sideshowbarker 2024-07-18 22:08:44 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/2b2828ae525
36 changed files with 105 additions and 105 deletions
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2
Kernel/ACPI/DynamicParser.cpp
View file

@ -30,7 +30,7 @@
namespace Kernel {
namespace ACPI {
DynamicParser::DynamicParser(PhysicalAddress rsdp)
UNMAP_AFTER_INIT DynamicParser::DynamicParser(PhysicalAddress rsdp)
: IRQHandler(9)
, Parser(rsdp)
{

4
Kernel/ACPI/Initialize.cpp
View file

@ -37,7 +37,7 @@ enum class FeatureLevel {
Disabled,
};
static FeatureLevel determine_feature_level()
UNMAP_AFTER_INIT static FeatureLevel determine_feature_level()
{
auto value = kernel_command_line().lookup("acpi").value_or("on");
if (value == "limited")
@ -47,7 +47,7 @@ static FeatureLevel determine_feature_level()
return FeatureLevel::Enabled;
}
void initialize()
UNMAP_AFTER_INIT void initialize()
{
auto feature_level = determine_feature_level();
if (feature_level == FeatureLevel::Disabled)

16
Kernel/ACPI/MultiProcessorParser.cpp
View file

@ -36,7 +36,7 @@
namespace Kernel {
OwnPtr<MultiProcessorParser> MultiProcessorParser::autodetect()
UNMAP_AFTER_INIT OwnPtr<MultiProcessorParser> MultiProcessorParser::autodetect()
{
auto floating_pointer = find_floating_pointer();
if (!floating_pointer.has_value())
@ -44,7 +44,7 @@ OwnPtr<MultiProcessorParser> MultiProcessorParser::autodetect()
return adopt_own(*new MultiProcessorParser(floating_pointer.value()));
}
MultiProcessorParser::MultiProcessorParser(PhysicalAddress floating_pointer)
UNMAP_AFTER_INIT MultiProcessorParser::MultiProcessorParser(PhysicalAddress floating_pointer)
: m_floating_pointer(floating_pointer)
{
klog() << "MultiProcessor: Floating Pointer Structure @ " << m_floating_pointer;
@ -52,14 +52,14 @@ MultiProcessorParser::MultiProcessorParser(PhysicalAddress floating_pointer)
parse_configuration_table();
}
void MultiProcessorParser::parse_floating_pointer_data()
UNMAP_AFTER_INIT void MultiProcessorParser::parse_floating_pointer_data()
{
auto floating_pointer = map_typed<MultiProcessor::FloatingPointer>(m_floating_pointer);
m_configuration_table = PhysicalAddress(floating_pointer->physical_address_ptr);
dbgln("Features {}, IMCR? {}", floating_pointer->feature_info[0], (floating_pointer->feature_info[0] & (1 << 7)));
}
void MultiProcessorParser::parse_configuration_table()
UNMAP_AFTER_INIT void MultiProcessorParser::parse_configuration_table()
{
auto configuration_table_length = map_typed<MultiProcessor::ConfigurationTableHeader>(m_configuration_table)->length;
auto config_table = map_typed<MultiProcessor::ConfigurationTableHeader>(m_configuration_table, configuration_table_length);
@ -102,7 +102,7 @@ void MultiProcessorParser::parse_configuration_table()
}
}
Optional<PhysicalAddress> MultiProcessorParser::find_floating_pointer()
UNMAP_AFTER_INIT Optional<PhysicalAddress> MultiProcessorParser::find_floating_pointer()
{
StringView signature("_MP_");
auto mp_floating_pointer = map_ebda().find_chunk_starting_with(signature, 16);
@ -111,7 +111,7 @@ Optional<PhysicalAddress> MultiProcessorParser::find_floating_pointer()
return map_bios().find_chunk_starting_with(signature, 16);
}
Vector<u8> MultiProcessorParser::get_pci_bus_ids() const
UNMAP_AFTER_INIT Vector<u8> MultiProcessorParser::get_pci_bus_ids() const
{
Vector<u8> pci_bus_ids;
for (auto& entry : m_bus_entries) {
@ -121,7 +121,7 @@ Vector<u8> MultiProcessorParser::get_pci_bus_ids() const
return pci_bus_ids;
}
Vector<PCIInterruptOverrideMetadata> MultiProcessorParser::get_pci_interrupt_redirections()
UNMAP_AFTER_INIT Vector<PCIInterruptOverrideMetadata> MultiProcessorParser::get_pci_interrupt_redirections()
{
dbgln("MultiProcessor: Get PCI IOAPIC redirections");
Vector<PCIInterruptOverrideMetadata> overrides;
@ -148,7 +148,7 @@ Vector<PCIInterruptOverrideMetadata> MultiProcessorParser::get_pci_interrupt_red
return overrides;
}
PCIInterruptOverrideMetadata::PCIInterruptOverrideMetadata(u8 bus_id, u8 polarity, u8 trigger_mode, u8 source_irq, u32 ioapic_id, u16 ioapic_int_pin)
UNMAP_AFTER_INIT PCIInterruptOverrideMetadata::PCIInterruptOverrideMetadata(u8 bus_id, u8 polarity, u8 trigger_mode, u8 source_irq, u32 ioapic_id, u16 ioapic_int_pin)
: m_bus_id(bus_id)
, m_polarity(polarity)
, m_trigger_mode(trigger_mode)

22
Kernel/ACPI/Parser.cpp
View file

@ -56,7 +56,7 @@ static PhysicalAddress search_table_in_xsdt(PhysicalAddress xsdt, const StringVi
static PhysicalAddress search_table_in_rsdt(PhysicalAddress rsdt, const StringView& signature);
static bool validate_table(const Structures::SDTHeader&, size_t length);
void Parser::locate_static_data()
UNMAP_AFTER_INIT void Parser::locate_static_data()
{
locate_main_system_description_table();
initialize_main_system_description_table();
@ -64,7 +64,7 @@ void Parser::locate_static_data()
init_facs();
}
PhysicalAddress Parser::find_table(const StringView& signature)
UNMAP_AFTER_INIT PhysicalAddress Parser::find_table(const StringView& signature)
{
dbgln_if(ACPI_DEBUG, "ACPI: Calling Find Table method!");
for (auto p_sdt : m_sdt_pointers) {
@ -78,12 +78,12 @@ PhysicalAddress Parser::find_table(const StringView& signature)
return {};
}
void Parser::init_facs()
UNMAP_AFTER_INIT void Parser::init_facs()
{
m_facs = find_table("FACS");
}
void Parser::init_fadt()
UNMAP_AFTER_INIT void Parser::init_fadt()
{
klog() << "ACPI: Initializing Fixed ACPI data";
klog() << "ACPI: Searching for the Fixed ACPI Data Table";
@ -250,7 +250,7 @@ u8 Parser::get_table_revision(PhysicalAddress table_header)
return map_typed<Structures::SDTHeader>(table_header)->revision;
}
void Parser::initialize_main_system_description_table()
UNMAP_AFTER_INIT void Parser::initialize_main_system_description_table()
{
#if ACPI_DEBUG
dbgln("ACPI: Checking Main SDT Length to choose the correct mapping size");
@ -284,7 +284,7 @@ void Parser::initialize_main_system_description_table()
}
}
void Parser::locate_main_system_description_table()
UNMAP_AFTER_INIT void Parser::locate_main_system_description_table()
{
auto rsdp = map_typed<Structures::RSDPDescriptor20>(m_rsdp);
if (rsdp->base.revision == 0) {
@ -303,7 +303,7 @@ void Parser::locate_main_system_description_table()
}
}
Parser::Parser(PhysicalAddress rsdp)
UNMAP_AFTER_INIT Parser::Parser(PhysicalAddress rsdp)
: m_rsdp(rsdp)
{
klog() << "ACPI: Using RSDP @ " << rsdp;
@ -321,7 +321,7 @@ static bool validate_table(const Structures::SDTHeader& v_header, size_t length)
return false;
}
Optional<PhysicalAddress> StaticParsing::find_rsdp()
UNMAP_AFTER_INIT Optional<PhysicalAddress> StaticParsing::find_rsdp()
{
StringView signature("RSD PTR ");
auto rsdp = map_ebda().find_chunk_starting_with(signature, 16);
@ -330,7 +330,7 @@ Optional<PhysicalAddress> StaticParsing::find_rsdp()
return map_bios().find_chunk_starting_with(signature, 16);
}
PhysicalAddress StaticParsing::find_table(PhysicalAddress rsdp_address, const StringView& signature)
UNMAP_AFTER_INIT PhysicalAddress StaticParsing::find_table(PhysicalAddress rsdp_address, const StringView& signature)
{
// FIXME: There's no validation of ACPI tables here. Use the checksum to validate the tables.
ASSERT(signature.length() == 4);
@ -348,7 +348,7 @@ PhysicalAddress StaticParsing::find_table(PhysicalAddress rsdp_address, const St
ASSERT_NOT_REACHED();
}
static PhysicalAddress search_table_in_xsdt(PhysicalAddress xsdt_address, const StringView& signature)
UNMAP_AFTER_INIT static PhysicalAddress search_table_in_xsdt(PhysicalAddress xsdt_address, const StringView& signature)
{
// FIXME: There's no validation of ACPI tables here. Use the checksum to validate the tables.
ASSERT(signature.length() == 4);
@ -371,7 +371,7 @@ static bool match_table_signature(PhysicalAddress table_header, const StringView
return !strncmp(table->h.sig, signature.characters_without_null_termination(), 4);
}
static PhysicalAddress search_table_in_rsdt(PhysicalAddress rsdt_address, const StringView& signature)
UNMAP_AFTER_INIT static PhysicalAddress search_table_in_rsdt(PhysicalAddress rsdt_address, const StringView& signature)
{
// FIXME: There's no validation of ACPI tables here. Use the checksum to validate the tables.
ASSERT(signature.length() == 4);

8
Kernel/Arch/i386/CPU.cpp
View file

@ -730,7 +730,7 @@ NEVER_INLINE UNMAP_AFTER_INIT void write_cr4(u32 value)
asm volatile("movl %%eax, %%cr4" ::"a"(value));
}
static void sse_init()
UNMAP_AFTER_INIT static void sse_init()
{
write_cr0((read_cr0() & 0xfffffffbu) | 0x2);
write_cr4(read_cr4() | 0x600);
@ -1540,7 +1540,7 @@ void Processor::assume_context(Thread& thread, u32 flags)
ASSERT_NOT_REACHED();
}
extern "C" void pre_init_finished(void)
extern "C" UNMAP_AFTER_INIT void pre_init_finished(void)
{
ASSERT(g_scheduler_lock.own_lock());
@ -1553,14 +1553,14 @@ extern "C" void pre_init_finished(void)
Scheduler::leave_on_first_switch(prev_flags);
}
extern "C" void post_init_finished(void)
extern "C" UNMAP_AFTER_INIT void post_init_finished(void)
{
// We need to re-acquire the scheduler lock before a context switch
// transfers control into the idle loop, which needs the lock held
Scheduler::prepare_for_idle_loop();
}
void Processor::initialize_context_switching(Thread& initial_thread)
UNMAP_AFTER_INIT void Processor::initialize_context_switching(Thread& initial_thread)
{
ASSERT(initial_thread.process().is_kernel_process());

6
Kernel/CommandLine.cpp
View file

@ -32,7 +32,7 @@ namespace Kernel {
static char s_cmd_line[1024];
static CommandLine* s_the;
void CommandLine::early_initialize(const char* cmd_line)
UNMAP_AFTER_INIT void CommandLine::early_initialize(const char* cmd_line)
{
if (!cmd_line)
return;
@ -49,13 +49,13 @@ const CommandLine& kernel_command_line()
return *s_the;
}
void CommandLine::initialize()
UNMAP_AFTER_INIT void CommandLine::initialize()
{
ASSERT(!s_the);
s_the = new CommandLine(s_cmd_line);
}
CommandLine::CommandLine(const String& string)
UNMAP_AFTER_INIT CommandLine::CommandLine(const String& string)
: m_string(string)
{
s_the = this;

2
Kernel/Console.cpp
View file

@ -56,7 +56,7 @@ UNMAP_AFTER_INIT Console::Console()
{
}
Console::~Console()
UNMAP_AFTER_INIT Console::~Console()
{
}

14
Kernel/DMI.cpp
View file

@ -42,7 +42,7 @@ namespace Kernel {
AK::Singleton<DMIExpose> s_the;
void DMIExpose::set_64_bit_entry_initialization_values()
UNMAP_AFTER_INIT void DMIExpose::set_64_bit_entry_initialization_values()
{
klog() << "DMIExpose: SMBIOS 64bit Entry point @ " << m_entry_point;
auto smbios_entry = map_typed<SMBIOS::EntryPoint64bit>(PhysicalAddress(m_entry_point), SMBIOS_SEARCH_AREA_SIZE);
@ -51,7 +51,7 @@ void DMIExpose::set_64_bit_entry_initialization_values()
m_structure_table_length = smbios_entry.ptr()->table_maximum_size;
}
void DMIExpose::set_32_bit_entry_initialization_values()
UNMAP_AFTER_INIT void DMIExpose::set_32_bit_entry_initialization_values()
{
klog() << "DMIExpose: SMBIOS 32bit Entry point @ " << m_entry_point;
auto smbios_entry = map_typed<SMBIOS::EntryPoint32bit>(PhysicalAddress(m_entry_point), SMBIOS_SEARCH_AREA_SIZE);
@ -60,7 +60,7 @@ void DMIExpose::set_32_bit_entry_initialization_values()
m_structure_table_length = smbios_entry.ptr()->legacy_structure.smboios_table_length;
}
void DMIExpose::initialize()
UNMAP_AFTER_INIT void DMIExpose::initialize()
{
s_the.ensure_instance();
}
@ -79,7 +79,7 @@ size_t DMIExpose::structure_table_length() const
return m_structure_table_length;
}
void DMIExpose::initialize_exposer()
UNMAP_AFTER_INIT void DMIExpose::initialize_exposer()
{
ASSERT(!(m_entry_point.is_null()));
if (m_using_64bit_entry_point) {
@ -101,7 +101,7 @@ OwnPtr<KBuffer> DMIExpose::structure_table() const
return KBuffer::try_create_with_bytes(Span<u8> { dmi_blob.ptr(), m_structure_table_length });
}
DMIExpose::DMIExpose()
UNMAP_AFTER_INIT DMIExpose::DMIExpose()
{
auto entry_32bit = find_entry32bit_point();
m_entry_point = entry_32bit.value();
@ -117,12 +117,12 @@ DMIExpose::DMIExpose()
initialize_exposer();
}
Optional<PhysicalAddress> DMIExpose::find_entry64bit_point()
UNMAP_AFTER_INIT Optional<PhysicalAddress> DMIExpose::find_entry64bit_point()
{
return map_bios().find_chunk_starting_with("_SM3_", 16);
}
Optional<PhysicalAddress> DMIExpose::find_entry32bit_point()
UNMAP_AFTER_INIT Optional<PhysicalAddress> DMIExpose::find_entry32bit_point()
{
return map_bios().find_chunk_starting_with("_SM_", 16);
}

6
Kernel/Devices/BXVGADevice.cpp
View file

@ -60,7 +60,7 @@ namespace Kernel {
static AK::Singleton<BXVGADevice> s_the;
void BXVGADevice::initialize()
UNMAP_AFTER_INIT void BXVGADevice::initialize()
{
s_the.ensure_instance();
}
@ -70,7 +70,7 @@ BXVGADevice& BXVGADevice::the()
return *s_the;
}
BXVGADevice::BXVGADevice()
UNMAP_AFTER_INIT BXVGADevice::BXVGADevice()
: BlockDevice(29, 0)
{
@ -157,7 +157,7 @@ void BXVGADevice::set_y_offset(size_t y_offset)
set_register(VBE_DISPI_INDEX_Y_OFFSET, (u16)y_offset);
}
u32 BXVGADevice::find_framebuffer_address()
UNMAP_AFTER_INIT u32 BXVGADevice::find_framebuffer_address()
{
// NOTE: The QEMU card has the same PCI ID as the Bochs one.
static const PCI::ID bochs_vga_id = { 0x1234, 0x1111 };

6
Kernel/Devices/KeyboardDevice.cpp
View file

@ -404,7 +404,7 @@ static const Keyboard::CharacterMapData DEFAULT_CHARACTER_MAP =
};
// clang-format on
KeyboardDevice::KeyboardDevice()
UNMAP_AFTER_INIT KeyboardDevice::KeyboardDevice()
: IRQHandler(IRQ_KEYBOARD)
, CharacterDevice(85, 1)
, m_controller(I8042Controller::the())
@ -412,11 +412,11 @@ KeyboardDevice::KeyboardDevice()
{
}
KeyboardDevice::~KeyboardDevice()
UNMAP_AFTER_INIT KeyboardDevice::~KeyboardDevice()
{
}
bool KeyboardDevice::initialize()
UNMAP_AFTER_INIT bool KeyboardDevice::initialize()
{
if (!m_controller.reset_device(I8042Controller::Device::Keyboard)) {
dbgln("KeyboardDevice: I8042 controller failed to reset device");

2
Kernel/Devices/MBVGADevice.cpp
View file

@ -40,7 +40,7 @@ MBVGADevice& MBVGADevice::the()
return *s_the;
}
MBVGADevice::MBVGADevice(PhysicalAddress addr, size_t pitch, size_t width, size_t height)
UNMAP_AFTER_INIT MBVGADevice::MBVGADevice(PhysicalAddress addr, size_t pitch, size_t width, size_t height)
: BlockDevice(29, 0)
, m_framebuffer_address(addr)
, m_framebuffer_pitch(pitch)

4
Kernel/Devices/MemoryDevice.cpp
View file

@ -33,12 +33,12 @@
namespace Kernel {
MemoryDevice::MemoryDevice()
UNMAP_AFTER_INIT MemoryDevice::MemoryDevice()
: CharacterDevice(1, 1)
{
}
MemoryDevice::~MemoryDevice()
UNMAP_AFTER_INIT MemoryDevice::~MemoryDevice()
{
}

6
Kernel/Devices/PS2MouseDevice.cpp
View file

@ -51,14 +51,14 @@ namespace Kernel {
static AK::Singleton<PS2MouseDevice> s_the;
PS2MouseDevice::PS2MouseDevice()
UNMAP_AFTER_INIT PS2MouseDevice::PS2MouseDevice()
: IRQHandler(IRQ_MOUSE)
, CharacterDevice(10, 1)
, m_controller(I8042Controller::the())
{
}
PS2MouseDevice::~PS2MouseDevice()
UNMAP_AFTER_INIT PS2MouseDevice::~PS2MouseDevice()
{
}
@ -222,7 +222,7 @@ void PS2MouseDevice::set_sample_rate(u8 rate)
send_command(PS2MOUSE_SET_SAMPLE_RATE, rate);
}
bool PS2MouseDevice::initialize()
UNMAP_AFTER_INIT bool PS2MouseDevice::initialize()
{
if (!m_controller.reset_device(I8042Controller::Device::Mouse)) {
dbgln("PS2MouseDevice: I8042 controller failed to reset device");

10
Kernel/Devices/SB16.cpp
View file

@ -78,18 +78,18 @@ void SB16::set_sample_rate(uint16_t hz)
static AK::Singleton<SB16> s_the;
SB16::SB16()
UNMAP_AFTER_INIT SB16::SB16()
: IRQHandler(SB16_DEFAULT_IRQ)
, CharacterDevice(42, 42) // ### ?
{
initialize();
}
SB16::~SB16()
UNMAP_AFTER_INIT SB16::~SB16()
{
}
void SB16::detect()
UNMAP_AFTER_INIT void SB16::detect()
{
IO::out8(0x226, 1);
IO::delay(32);
@ -102,7 +102,7 @@ void SB16::detect()
SB16::create();
}
void SB16::create()
UNMAP_AFTER_INIT void SB16::create()
{
s_the.ensure_instance();
}
@ -112,7 +112,7 @@ SB16& SB16::the()
return *s_the;
}
void SB16::initialize()
UNMAP_AFTER_INIT void SB16::initialize()
{
disable_irq();

8
Kernel/Devices/SerialDevice.cpp
View file

@ -29,14 +29,14 @@
namespace Kernel {
SerialDevice::SerialDevice(int base_addr, unsigned minor)
UNMAP_AFTER_INIT SerialDevice::SerialDevice(int base_addr, unsigned minor)
: CharacterDevice(4, minor)
, m_base_addr(base_addr)
{
initialize();
}
SerialDevice::~SerialDevice()
UNMAP_AFTER_INIT SerialDevice::~SerialDevice()
{
}
@ -92,7 +92,7 @@ String SerialDevice::device_name() const
return String::formatted("ttyS{}", minor() - 64);
}
void SerialDevice::initialize()
UNMAP_AFTER_INIT void SerialDevice::initialize()
{
set_interrupts(0);
set_baud(Baud38400);
@ -101,7 +101,7 @@ void SerialDevice::initialize()
set_modem_control(RequestToSend | DataTerminalReady);
}
void SerialDevice::set_interrupts(char interrupt_enable)
UNMAP_AFTER_INIT void SerialDevice::set_interrupts(char interrupt_enable)
{
m_interrupt_enable = interrupt_enable;

10
Kernel/Devices/USB/UHCIController.cpp
View file

@ -86,7 +86,7 @@ UHCIController& UHCIController::the()
return *s_the;
}
void UHCIController::detect()
UNMAP_AFTER_INIT void UHCIController::detect()
{
#if !UHCI_ENABLED
return;
@ -102,7 +102,7 @@ void UHCIController::detect()
});
}
UHCIController::UHCIController(PCI::Address address, PCI::ID id)
UNMAP_AFTER_INIT UHCIController::UHCIController(PCI::Address address, PCI::ID id)
: PCI::Device(address)
, m_io_base(PCI::get_BAR4(pci_address()) & ~1)
{
@ -116,7 +116,7 @@ UHCIController::UHCIController(PCI::Address address, PCI::ID id)
spawn_port_proc();
}
UHCIController::~UHCIController()
UNMAP_AFTER_INIT UHCIController::~UHCIController()
{
}
@ -151,7 +151,7 @@ void UHCIController::reset()
klog() << "UHCI: Reset completed!";
}
void UHCIController::create_structures()
UNMAP_AFTER_INIT void UHCIController::create_structures()
{
// Let's allocate memory for botht the QH and TD pools
// First the QH pool and all of the Interrupt QH's
@ -224,7 +224,7 @@ void UHCIController::create_structures()
#endif
}
void UHCIController::setup_schedule()
UNMAP_AFTER_INIT void UHCIController::setup_schedule()
{
//
// https://github.com/alkber/minix3-usbsubsystem/blob/master/usb/uhci-hcd.c

2
Kernel/Devices/VMWareBackdoor.cpp
View file

@ -116,7 +116,7 @@ VMWareBackdoor* VMWareBackdoor::the()
return s_vmware_backdoor->get_instance();
}
VMWareBackdoor::VMWareBackdoor()
UNMAP_AFTER_INIT VMWareBackdoor::VMWareBackdoor()
{
if (kernel_command_line().lookup("vmmouse").value_or("on") == "on")
enable_absolute_vmmouse();

4
Kernel/Interrupts/IOAPIC.cpp
View file

@ -45,7 +45,7 @@ enum DeliveryMode {
External = 7
};
IOAPIC::IOAPIC(PhysicalAddress address, u32 gsi_base)
UNMAP_AFTER_INIT IOAPIC::IOAPIC(PhysicalAddress address, u32 gsi_base)
: m_address(address)
, m_regs(map_typed_writable<ioapic_mmio_regs>(m_address))
, m_gsi_base(gsi_base)
@ -60,7 +60,7 @@ IOAPIC::IOAPIC(PhysicalAddress address, u32 gsi_base)
mask_all_redirection_entries();
}
void IOAPIC::initialize()
UNMAP_AFTER_INIT void IOAPIC::initialize()
{
}

4
Kernel/Interrupts/PIC.cpp
View file

@ -87,7 +87,7 @@ void PIC::disable(const GenericInterruptHandler& handler)
m_cached_irq_mask |= 1 << irq;
}
PIC::PIC()
UNMAP_AFTER_INIT PIC::PIC()
{
initialize();
}
@ -203,7 +203,7 @@ void PIC::remap(u8 offset)
enable_vector(2);
}
void PIC::initialize()
UNMAP_AFTER_INIT void PIC::initialize()
{
/* ICW1 (edge triggered mode, cascading controllers, expect ICW4) */
IO::out8(PIC0_CTL, ICW1_INIT | ICW1_ICW4);

2
Kernel/Interrupts/SharedIRQHandler.cpp
View file

@ -34,7 +34,7 @@
namespace Kernel {
void SharedIRQHandler::initialize(u8 interrupt_number)
UNMAP_AFTER_INIT void SharedIRQHandler::initialize(u8 interrupt_number)
{
new SharedIRQHandler(interrupt_number);
}

2
Kernel/Interrupts/SpuriousInterruptHandler.cpp
View file

@ -29,7 +29,7 @@
namespace Kernel {
void SpuriousInterruptHandler::initialize(u8 interrupt_number)
UNMAP_AFTER_INIT void SpuriousInterruptHandler::initialize(u8 interrupt_number)
{
new SpuriousInterruptHandler(interrupt_number);
}

4
Kernel/KSyms.cpp
View file

@ -68,7 +68,7 @@ const KernelSymbol* symbolicate_kernel_address(u32 address)
return nullptr;
}
static void load_kernel_sybols_from_data(const KBuffer& buffer)
UNMAP_AFTER_INIT static void load_kernel_sybols_from_data(const KBuffer& buffer)
{
g_lowest_kernel_symbol_address = 0xffffffff;
g_highest_kernel_symbol_address = 0;
@ -182,7 +182,7 @@ void dump_backtrace()
dump_backtrace_impl(ebp, g_kernel_symbols_available);
}
void load_kernel_symbol_table()
UNMAP_AFTER_INIT void load_kernel_symbol_table()
{
auto result = VFS::the().open("/res/kernel.map", O_RDONLY, 0, VFS::the().root_custody());
if (!result.is_error()) {

6
Kernel/Net/E1000NetworkAdapter.cpp
View file

@ -179,7 +179,7 @@ static bool is_valid_device_id(u16 device_id)
}
}
void E1000NetworkAdapter::detect()
UNMAP_AFTER_INIT void E1000NetworkAdapter::detect()
{
PCI::enumerate([&](const PCI::Address& address, PCI::ID id) {
if (address.is_null())
@ -193,7 +193,7 @@ void E1000NetworkAdapter::detect()
});
}
E1000NetworkAdapter::E1000NetworkAdapter(PCI::Address address, u8 irq)
UNMAP_AFTER_INIT E1000NetworkAdapter::E1000NetworkAdapter(PCI::Address address, u8 irq)
: PCI::Device(address, irq)
, m_io_base(PCI::get_BAR1(pci_address()) & ~1)
, m_rx_descriptors_region(MM.allocate_contiguous_kernel_region(page_round_up(sizeof(e1000_rx_desc) * number_of_rx_descriptors + 16), "E1000 RX", Region::Access::Read | Region::Access::Write))
@ -235,7 +235,7 @@ E1000NetworkAdapter::E1000NetworkAdapter(PCI::Address address, u8 irq)
enable_irq();
}
E1000NetworkAdapter::~E1000NetworkAdapter()
UNMAP_AFTER_INIT E1000NetworkAdapter::~E1000NetworkAdapter()
{
}

6
Kernel/Net/NE2000NetworkAdapter.cpp
View file

@ -155,7 +155,7 @@ struct [[gnu::packed]] received_packet_header {
u16 length;
};
void NE2000NetworkAdapter::detect()
UNMAP_AFTER_INIT void NE2000NetworkAdapter::detect()
{
static const auto ne2k_ids = Array<PCI::ID, 11> {
PCI::ID { 0x10EC, 0x8029 }, // RealTek RTL-8029(AS)
@ -182,7 +182,7 @@ void NE2000NetworkAdapter::detect()
});
}
NE2000NetworkAdapter::NE2000NetworkAdapter(PCI::Address address, u8 irq)
UNMAP_AFTER_INIT NE2000NetworkAdapter::NE2000NetworkAdapter(PCI::Address address, u8 irq)
: PCI::Device(address, irq)
, m_io_base(PCI::get_BAR0(pci_address()) & ~3)
{
@ -203,7 +203,7 @@ NE2000NetworkAdapter::NE2000NetworkAdapter(PCI::Address address, u8 irq)
enable_irq();
}
NE2000NetworkAdapter::~NE2000NetworkAdapter()
UNMAP_AFTER_INIT NE2000NetworkAdapter::~NE2000NetworkAdapter()
{
}

6
Kernel/Net/RTL8139NetworkAdapter.cpp
View file

@ -125,7 +125,7 @@ namespace Kernel {
#define RX_BUFFER_SIZE 32768
#define TX_BUFFER_SIZE PACKET_SIZE_MAX
void RTL8139NetworkAdapter::detect()
UNMAP_AFTER_INIT void RTL8139NetworkAdapter::detect()
{
static const PCI::ID rtl8139_id = { 0x10EC, 0x8139 };
PCI::enumerate([&](const PCI::Address& address, PCI::ID id) {
@ -138,7 +138,7 @@ void RTL8139NetworkAdapter::detect()
});
}
RTL8139NetworkAdapter::RTL8139NetworkAdapter(PCI::Address address, u8 irq)
UNMAP_AFTER_INIT RTL8139NetworkAdapter::RTL8139NetworkAdapter(PCI::Address address, u8 irq)
: PCI::Device(address, irq)
, m_io_base(PCI::get_BAR0(pci_address()) & ~1)
, m_rx_buffer(MM.allocate_contiguous_kernel_region(page_round_up(RX_BUFFER_SIZE + PACKET_SIZE_MAX), "RTL8139 RX", Region::Access::Read | Region::Access::Write))
@ -174,7 +174,7 @@ RTL8139NetworkAdapter::RTL8139NetworkAdapter(PCI::Address address, u8 irq)
enable_irq();
}
RTL8139NetworkAdapter::~RTL8139NetworkAdapter()
UNMAP_AFTER_INIT RTL8139NetworkAdapter::~RTL8139NetworkAdapter()
{
}

2
Kernel/PCI/Access.cpp
View file

@ -54,7 +54,7 @@ bool Access::is_initialized()
return (s_access != nullptr);
}
Access::Access()
UNMAP_AFTER_INIT Access::Access()
{
s_access = this;
}

4
Kernel/PCI/IOAccess.cpp
View file

@ -31,7 +31,7 @@
namespace Kernel {
namespace PCI {
void IOAccess::initialize()
UNMAP_AFTER_INIT void IOAccess::initialize()
{
if (!Access::is_initialized()) {
new IOAccess();
@ -39,7 +39,7 @@ void IOAccess::initialize()
}
}
IOAccess::IOAccess()
UNMAP_AFTER_INIT IOAccess::IOAccess()
{
klog() << "PCI: Using I/O instructions for PCI configuration space access";
enumerate_hardware([&](const Address& address, ID id) {

6
Kernel/PCI/Initializer.cpp
View file

@ -37,7 +37,7 @@ namespace PCI {
static bool test_pci_io();
static Access::Type detect_optimal_access_type(bool mmio_allowed)
UNMAP_AFTER_INIT static Access::Type detect_optimal_access_type(bool mmio_allowed)
{
if (mmio_allowed && ACPI::is_enabled() && !ACPI::Parser::the()->find_table("MCFG").is_null())
return Access::Type::MMIO;
@ -48,7 +48,7 @@ static Access::Type detect_optimal_access_type(bool mmio_allowed)
PANIC("No PCI bus access method detected!");
}
void initialize()
UNMAP_AFTER_INIT void initialize()
{
bool mmio_allowed = kernel_command_line().lookup("pci_mmio").value_or("off") == "on";
@ -61,7 +61,7 @@ void initialize()
});
}
bool test_pci_io()
UNMAP_AFTER_INIT bool test_pci_io()
{
klog() << "Testing PCI via manual probing... ";
u32 tmp = 0x80000000;

8
Kernel/PCI/MMIOAccess.cpp
View file

@ -49,7 +49,7 @@ private:
#define PCI_MMIO_CONFIG_SPACE_SIZE 4096
DeviceConfigurationSpaceMapping::DeviceConfigurationSpaceMapping(Address device_address, const MMIOSegment& mmio_segment)
UNMAP_AFTER_INIT DeviceConfigurationSpaceMapping::DeviceConfigurationSpaceMapping(Address device_address, const MMIOSegment& mmio_segment)
: m_device_address(device_address)
, m_mapped_region(MM.allocate_kernel_region(page_round_up(PCI_MMIO_CONFIG_SPACE_SIZE), "PCI MMIO Device Access", Region::Access::Read | Region::Access::Write).release_nonnull())
{
@ -79,7 +79,7 @@ uint8_t MMIOAccess::segment_end_bus(u32 seg) const
return segment.value().get_end_bus();
}
void MMIOAccess::initialize(PhysicalAddress mcfg)
UNMAP_AFTER_INIT void MMIOAccess::initialize(PhysicalAddress mcfg)
{
if (!Access::is_initialized()) {
new MMIOAccess(mcfg);
@ -89,7 +89,7 @@ void MMIOAccess::initialize(PhysicalAddress mcfg)
}
}
MMIOAccess::MMIOAccess(PhysicalAddress p_mcfg)
UNMAP_AFTER_INIT MMIOAccess::MMIOAccess(PhysicalAddress p_mcfg)
: m_mcfg(p_mcfg)
{
klog() << "PCI: Using MMIO for PCI configuration space access";
@ -131,7 +131,7 @@ MMIOAccess::MMIOAccess(PhysicalAddress p_mcfg)
});
}
Optional<VirtualAddress> MMIOAccess::get_device_configuration_space(Address address)
UNMAP_AFTER_INIT Optional<VirtualAddress> MMIOAccess::get_device_configuration_space(Address address)
{
dbgln_if(PCI_DEBUG, "PCI: Getting device configuration space for {}", address);
for (auto& mapping : m_mapped_device_regions) {

2
Kernel/Random.cpp
View file

@ -42,7 +42,7 @@ KernelRng& KernelRng::the()
return *s_the;
}
KernelRng::KernelRng()
UNMAP_AFTER_INIT KernelRng::KernelRng()
{
bool supports_rdseed = Processor::current().has_feature(CPUFeature::RDSEED);
bool supports_rdrand = Processor::current().has_feature(CPUFeature::RDRAND);

4
Kernel/Scheduler.cpp
View file

@ -506,13 +506,13 @@ UNMAP_AFTER_INIT void Scheduler::initialize()
set_idle_thread(idle_thread);
}
void Scheduler::set_idle_thread(Thread* idle_thread)
UNMAP_AFTER_INIT void Scheduler::set_idle_thread(Thread* idle_thread)
{
Processor::current().set_idle_thread(*idle_thread);
Processor::current().set_current_thread(*idle_thread);
}
Thread* Scheduler::create_ap_idle_thread(u32 cpu)
UNMAP_AFTER_INIT Thread* Scheduler::create_ap_idle_thread(u32 cpu)
{
ASSERT(cpu != 0);
// This function is called on the bsp, but creates an idle thread for another AP

6
Kernel/Storage/PATADiskDevice.cpp
View file

@ -33,12 +33,12 @@
namespace Kernel {
NonnullRefPtr<PATADiskDevice> PATADiskDevice::create(const IDEController& controller, IDEChannel& channel, DriveType type, InterfaceType interface_type, u16 cylinders, u16 heads, u16 spt, u16 capabilities, int major, int minor)
UNMAP_AFTER_INIT NonnullRefPtr<PATADiskDevice> PATADiskDevice::create(const IDEController& controller, IDEChannel& channel, DriveType type, InterfaceType interface_type, u16 cylinders, u16 heads, u16 spt, u16 capabilities, int major, int minor)
{
return adopt(*new PATADiskDevice(controller, channel, type, interface_type, cylinders, heads, spt, capabilities, major, minor));
}
PATADiskDevice::PATADiskDevice(const IDEController& controller, IDEChannel& channel, DriveType type, InterfaceType interface_type, u16 cylinders, u16 heads, u16 spt, u16 capabilities, int major, int minor)
UNMAP_AFTER_INIT PATADiskDevice::PATADiskDevice(const IDEController& controller, IDEChannel& channel, DriveType type, InterfaceType interface_type, u16 cylinders, u16 heads, u16 spt, u16 capabilities, int major, int minor)
: StorageDevice(controller, major, minor, 512, 0)
, m_cylinders(cylinders)
, m_heads(heads)
@ -50,7 +50,7 @@ PATADiskDevice::PATADiskDevice(const IDEController& controller, IDEChannel& chan
{
}
PATADiskDevice::~PATADiskDevice()
UNMAP_AFTER_INIT PATADiskDevice::~PATADiskDevice()
{
}

4
Kernel/Storage/StorageManagement.cpp
View file

@ -41,7 +41,7 @@ namespace Kernel {
static StorageManagement* s_the;
StorageManagement::StorageManagement(String boot_argument, bool force_pio)
UNMAP_AFTER_INIT StorageManagement::StorageManagement(String boot_argument, bool force_pio)
: m_boot_argument(boot_argument)
, m_controllers(enumerate_controllers(force_pio))
, m_storage_devices(enumerate_storage_devices())
@ -195,7 +195,7 @@ bool StorageManagement::initialized()
return (s_the != nullptr);
}
void StorageManagement::initialize(String root_device, bool force_pio)
UNMAP_AFTER_INIT void StorageManagement::initialize(String root_device, bool force_pio)
{
ASSERT(!StorageManagement::initialized());
s_the = new StorageManagement(root_device, force_pio);

6
Kernel/Time/HPET.cpp
View file

@ -130,7 +130,7 @@ HPET& HPET::the()
return *s_hpet;
}
bool HPET::test_and_initialize()
UNMAP_AFTER_INIT bool HPET::test_and_initialize()
{
ASSERT(!HPET::initialized());
hpet_initialized = true;
@ -154,7 +154,7 @@ bool HPET::test_and_initialize()
return true;
}
bool HPET::check_for_exisiting_periodic_timers()
UNMAP_AFTER_INIT bool HPET::check_for_exisiting_periodic_timers()
{
auto hpet = ACPI::Parser::the()->find_table("HPET");
if (hpet.is_null())
@ -396,7 +396,7 @@ u64 HPET::calculate_ticks_in_nanoseconds() const
return ((u64)registers().capabilities.main_counter_tick_period * 100ull) / ABSOLUTE_MAXIMUM_COUNTER_TICK_PERIOD;
}
HPET::HPET(PhysicalAddress acpi_hpet)
UNMAP_AFTER_INIT HPET::HPET(PhysicalAddress acpi_hpet)
: m_physical_acpi_hpet_table(acpi_hpet)
, m_physical_acpi_hpet_registers(find_acpi_hpet_registers_block())
, m_hpet_mmio_region(MM.allocate_kernel_region(m_physical_acpi_hpet_registers.page_base(), PAGE_SIZE, "HPET MMIO", Region::Access::Read | Region::Access::Write))

4
Kernel/Time/HPETComparator.cpp
View file

@ -31,12 +31,12 @@
namespace Kernel {
NonnullRefPtr<HPETComparator> HPETComparator::create(u8 number, u8 irq, bool periodic_capable)
UNMAP_AFTER_INIT NonnullRefPtr<HPETComparator> HPETComparator::create(u8 number, u8 irq, bool periodic_capable)
{
return adopt(*new HPETComparator(number, irq, periodic_capable));
}
HPETComparator::HPETComparator(u8 number, u8 irq, bool periodic_capable)
UNMAP_AFTER_INIT HPETComparator::HPETComparator(u8 number, u8 irq, bool periodic_capable)
: HardwareTimer(irq)
, m_periodic(false)
, m_periodic_capable(periodic_capable)

2
Kernel/TimerQueue.cpp
View file

@ -84,7 +84,7 @@ TimerQueue& TimerQueue::the()
return *s_the;
}
TimerQueue::TimerQueue()
UNMAP_AFTER_INIT TimerQueue::TimerQueue()
{
m_ticks_per_second = TimeManagement::the().ticks_per_second();
}