Kernel: Move all code into the Kernel namespace

AK/LogStream.cpp

@@ -101,8 +101,8 @@ DebugLogStream dbg()
  stream << "\033[33;1m" << process_name_buffer << '(' << getpid() << ")\033[0m: ";
 #endif
 #if defined(__serenity__) && defined(KERNEL) && !defined(BOOTSTRAPPER)
- if (current)
- stream << "\033[34;1m[" << *current << "]\033[0m: ";
+ if (Kernel::current)
+ stream << "\033[34;1m[" << *Kernel::current << "]\033[0m: ";
  else
  stream << "\033[36;1m[Kernel]\033[0m: ";
 #endif

Kernel/ACPI/ACPIDynamicParser.cpp

@@ -27,6 +27,8 @@
 #include <Kernel/ACPI/ACPIDynamicParser.h>
 #include <Kernel/ACPI/ACPIParser.h>
 
+namespace Kernel {
+
 void ACPIDynamicParser::initialize(ACPI_RAW::RSDPDescriptor20& rsdp)
 {
  if (!ACPIStaticParser::is_initialized()) {
@@ -90,4 +92,6 @@ void ACPIDynamicParser::build_namespace()
 {
  // FIXME: Implement AML Interpretation to build the ACPI namespace
  ASSERT_NOT_REACHED();
-}
+}
+
+}

Kernel/ACPI/ACPIDynamicParser.h

@@ -33,6 +33,8 @@
 #include <Kernel/VM/PhysicalPage.h>
 #include <LibBareMetal/Memory/PhysicalAddress.h>
 
+namespace Kernel {
+
 class ACPIDynamicParser final : public IRQHandler
  , ACPIStaticParser {
 public:
@@ -56,3 +58,5 @@ class ACPIDynamicParser final : public IRQHandler
 
  OwnPtr<Region> m_acpi_namespace;
 };
+
+}

Kernel/ACPI/ACPIParser.cpp

@@ -26,6 +26,8 @@
 
 #include <Kernel/ACPI/ACPIParser.h>
 
+namespace Kernel {
+
 static ACPIParser* s_acpi_parser;
 
 ACPIParser& ACPIParser::the()
@@ -97,4 +99,6 @@ void ACPIParser::disable_aml_interpretation()
 bool ACPIParser::is_operable()
 {
  return false;
-}
+}
+
+}

Kernel/ACPI/ACPIParser.h

@@ -33,6 +33,8 @@
 #include <LibBareMetal/Memory/PhysicalAddress.h>
 #include <LibBareMetal/Memory/VirtualAddress.h>
 
+namespace Kernel {
+
 class ACPIParser {
 public:
  static ACPIParser& the();
@@ -54,3 +56,5 @@ class ACPIParser {
  explicit ACPIParser(bool usable);
  bool m_operable;
 };
+
+}

Kernel/ACPI/ACPIStaticParser.cpp

@@ -31,6 +31,8 @@
 
 //#define ACPI_DEBUG
 
+namespace Kernel {
+
 void ACPIStaticParser::initialize(ACPI_RAW::RSDPDescriptor20& rsdp)
 {
  if (!ACPIParser::is_initialized()) {
@@ -413,3 +415,5 @@ ACPI_RAW::SDTHeader* ACPI::FixedACPIData::get_dsdt()
  return (ACPI_RAW::SDTHeader*)m_dsdt_ptr;
  }
 }
+
+}

Kernel/ACPI/ACPIStaticParser.h

@@ -29,6 +29,8 @@
 #include <ACPI/ACPIParser.h>
 #include <AK/OwnPtr.h>
 
+namespace Kernel {
+
 class ACPIStaticParser : ACPIParser {
 public:
  static void initialize(ACPI_RAW::RSDPDescriptor20& rsdp);
@@ -65,4 +67,6 @@ class ACPIStaticParser : ACPIParser {
 
  Vector<ACPI_RAW::SDTHeader*> m_aml_tables_ptrs;
  bool m_xsdt_supported;
-};
+};
+
+}

Kernel/ACPI/DMIDecoder.cpp

@@ -28,6 +28,8 @@
 #include <Kernel/VM/MemoryManager.h>
 #include <LibBareMetal/StdLib.h>
 
+namespace Kernel {
+
 static DMIDecoder* s_dmi_decoder;
 
 //#define SMBIOS_DEBUG
@@ -274,3 +276,5 @@ char* DMIDecoder::get_smbios_string(SMBIOS::TableHeader&, u8)
  ASSERT_NOT_REACHED();
  return nullptr;
 }
+
+}

Kernel/ACPI/DMIDecoder.h

@@ -32,6 +32,8 @@
 #include <LibBareMetal/Memory/PhysicalAddress.h>
 #include <LibBareMetal/Memory/VirtualAddress.h>
 
+namespace Kernel {
+
 namespace SMBIOS {
 struct [[gnu::packed]] LegacyEntryPoint32bit
 {
@@ -1418,3 +1420,5 @@ class DMIDecoder {
 
  SinglyLinkedList<SMBIOS::TableHeader*> m_smbios_tables;
 };
+
+}

Kernel/ACPI/Definitions.h

@@ -30,6 +30,8 @@
 #include <AK/Types.h>
 #include <AK/Vector.h>
 
+namespace Kernel {
+
 namespace ACPI_RAW {
 
 struct [[gnu::packed]] RSDPDescriptor
@@ -309,3 +311,5 @@ class FACS : public SDT {
 class MADT : public SDT {
 };
 }
+
+}

Kernel/Arch/i386/APIC.cpp

@@ -47,6 +47,8 @@
 #define APIC_REG_LVT_LINT1 0x360
 #define APIC_REG_LVT_ERR 0x370
 
+namespace Kernel {
+
 extern "C" void apic_spurious_interrupt_entry();
 
 asm(
@@ -214,3 +216,5 @@ void enable(u32 cpu)
 }
 
 }
+
+}

Kernel/Arch/i386/APIC.h

@@ -28,9 +28,13 @@
 
 #include <AK/Types.h>
 
+namespace Kernel {
+
 namespace APIC {
 
 bool init();
 void enable(u32 cpu);
 
 }
+
+}

Kernel/Arch/i386/CPU.cpp

@@ -37,6 +37,8 @@
 
 //#define PAGE_FAULT_DEBUG
 
+namespace Kernel {
+
 struct [[gnu::packed]] DescriptorTablePointer
 {
  u16 limit;
@@ -553,24 +555,6 @@ void handle_irq(RegisterState regs)
  PIC::eoi(irq);
 }
 
-#ifdef DEBUG
-void __assertion_failed(const char* msg, const char* file, unsigned line, const char* func)
-{
- asm volatile("cli");
- kprintf("ASSERTION FAILED: %s\n%s:%u in %s\n", msg, file, line, func);
-
- // Switch back to the current process's page tables if there are any.
- // Otherwise stack walking will be a disaster.
- if (current)
- MM.enter_process_paging_scope(current->process());
-
- dump_backtrace();
- asm volatile("hlt");
- for (;;)
- ;
-}
-#endif
-
 void sse_init()
 {
  asm volatile(
@@ -725,3 +709,23 @@ void write_cr3(u32 cr3)
  asm volatile("movl %%eax, %%cr3" ::"a"(cr3)
  : "memory");
 }
+
+}
+
+#ifdef DEBUG
+void __assertion_failed(const char* msg, const char* file, unsigned line, const char* func)
+{
+ asm volatile("cli");
+ kprintf("ASSERTION FAILED: %s\n%s:%u in %s\n", msg, file, line, func);
+
+ // Switch back to the current process's page tables if there are any.
+ // Otherwise stack walking will be a disaster.
+ if (Kernel::current)
+ MM.enter_process_paging_scope(Kernel::current->process());
+
+ Kernel::dump_backtrace();
+ asm volatile("hlt");
+ for (;;)
+ ;
+}
+#endif

Kernel/Arch/i386/CPU.h

@@ -34,6 +34,8 @@
 #define PAGE_SIZE 4096
 #define PAGE_MASK ((uintptr_t)0xfffff000u)
 
+namespace Kernel {
+
 class MemoryManager;
 class PageDirectory;
 class PageTableEntry;
@@ -589,3 +591,5 @@ class SmapDisabler {
 private:
  u32 m_flags;
 };
+
+}

Kernel/Arch/i386/PIC.cpp

@@ -30,6 +30,8 @@
 #include <Kernel/Arch/i386/PIC.h>
 #include <LibBareMetal/IO.h>
 
+namespace Kernel {
+
 // The slave 8259 is connected to the master's IRQ2 line.
 // This is really only to enhance clarity.
 #define SLAVE_INDEX 2
@@ -137,3 +139,5 @@ u16 get_irr()
 }
 
 }
+
+}

Kernel/Arch/i386/PIC.h

@@ -28,14 +28,16 @@
 
 #include <AK/Types.h>
 
+namespace Kernel {
+
 namespace PIC {
 
-void enable(u8 number);
-void disable(u8 number);
-void eoi(u8 number);
-void initialize();
-u16 get_isr();
-u16 get_irr();
+ void enable(u8 number);
+ void disable(u8 number);
+ void eoi(u8 number);
+ void initialize();
+ u16 get_isr();
+ u16 get_irr();
 
 }
 
@@ -50,3 +52,5 @@ class IRQHandlerScope {
 private:
  u8 m_irq { 0 };
 };
+
+}

Kernel/Arch/i386/PIT.cpp

@@ -30,6 +30,8 @@
 #include <Kernel/Scheduler.h>
 #include <LibBareMetal/IO.h>
 
+namespace Kernel {
+
 #define IRQ_TIMER 0
 
 extern "C" void timer_interrupt_entry();
@@ -105,3 +107,5 @@ void initialize()
 }
 
 }
+
+}

Kernel/Arch/i386/PIT.h

@@ -28,6 +28,8 @@
 
 #include <AK/Types.h>
 
+namespace Kernel {
+
 #define TICKS_PER_SECOND 1000
 /* Timer related ports */
 #define TIMER0_CTL 0x40
@@ -56,3 +58,5 @@ u32 ticks_this_second();
 u32 seconds_since_boot();
 
 }
+
+}

Kernel/Devices/BXVGADevice.cpp

@@ -33,6 +33,8 @@
 #include <LibC/errno_numbers.h>
 #include <LibC/sys/ioctl_numbers.h>
 
+namespace Kernel {
+
 #define MAX_RESOLUTION_WIDTH 4096
 #define MAX_RESOLUTION_HEIGHT 2160
 
@@ -182,3 +184,5 @@ int BXVGADevice::ioctl(FileDescription&, unsigned request, unsigned arg)
  return -EINVAL;
  };
 }
+
+}

Kernel/Devices/BXVGADevice.h

@@ -31,6 +31,8 @@
 #include <Kernel/Devices/BlockDevice.h>
 #include <LibBareMetal/Memory/PhysicalAddress.h>
 
+namespace Kernel {
+
 class BXVGADevice final : public BlockDevice {
  AK_MAKE_ETERNAL
 public:
@@ -62,3 +64,5 @@ class BXVGADevice final : public BlockDevice {
  int m_framebuffer_height { 0 };
  int m_y_offset { 0 };
 };
+
+}

Kernel/Devices/BlockDevice.cpp

@@ -26,6 +26,8 @@
 
 #include <Kernel/Devices/BlockDevice.h>
 
+namespace Kernel {
+
 BlockDevice::~BlockDevice()
 {
 }
@@ -59,3 +61,5 @@ bool BlockDevice::write_raw(u32 offset, unsigned length, const u8* in)
  ASSERT(end_block <= 0xffffffff);
  return write_blocks(first_block, end_block - first_block, in);
 }
+
+}

Kernel/Devices/BlockDevice.h

@@ -28,6 +28,8 @@
 
 #include <Kernel/Devices/Device.h>
 
+namespace Kernel {
+
 class BlockDevice : public Device {
 public:
  virtual ~BlockDevice() override;
@@ -55,3 +57,5 @@ class BlockDevice : public Device {
 
  size_t m_block_size { 0 };
 };
+
+}