Kernel: Move all code into the Kernel namespace

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 @@ public:
 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 @@ public:
 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();
 
 }
+
+}