feat(panic): funMessages in panic

feat(rand): also implemented rand

Kernel/Include/Lib/Rand.h

@@ -0,0 +1,18 @@
+#pragma once 
+#include <Types.h>
+#include <Arch/Timer.h>
+
+enum {
+    kRandSeed = 0x9E3779B97F4A7C15ULL,
+    kRandMultiplier = 0xBF58476D1CE4E5B9ULL,
+    kRandIncrement = 0x94D049BB133111EBULL,
+};
+
+static inline UInt64 Rand() {
+    static _Atomic UInt64 sequence = 0;
+
+    UInt64 z = (TimerGetCounter() + kRandSeed + (++sequence));
+    z = (z ^ (z >> 30)) * kRandMultiplier;
+    z = (z ^ (z >> 27)) * kRandIncrement;
+    return z ^ (z >> 31);
+}

Kernel/Source/KernelMain.c

@@ -31,7 +31,6 @@ void KernelMain(Bootinfo* bootinfo) {
     );
     TimerInitialize();
     CPUEnableInterrupts();
-
     SchedulerInitialize();
 
     OSLog("Kernel initialized.\n");

Kernel/Source/OS/Panic.c

@@ -1,6 +1,7 @@
 #include <OS/Panic.h>
 #include <OS/Log.h>
 #include <Arch/CPU.h>
+#include <Lib/Rand.h>
 
 static const ASCII* GetExceptionClassString(UInt32 class) {
     switch (class) {
@@ -20,6 +21,24 @@ static const ASCII* GetExceptionClassString(UInt32 class) {
     }
 }
 
+static const ASCII* sFunMessages[] = {
+    "Execution finished abnormally with code: 0x_x",
+    "Ah shit, here we go again",
+    "It's definitely your fault.",
+    "No more Roblox!",
+    "Call your mom 4 help!",
+    "2bad4u",
+    "Touch grass",
+    "Skill issue",
+    "You should just go outside actually",
+    "Perfect opportunity to take a shower",
+    "404 not found",
+    "Windows is locked! Password:___ Time left: 5:45:41",
+    "\"NAM PIZDA\": hackers dropped our registry",
+    "That's all, folks!",
+    "rip",
+};
+
 __attribute__((noreturn)) static void Halt() {
     loop {
         CPUDisableInterrupts();
@@ -36,6 +55,9 @@ static void DrawPanicHeader() {
     PrintSeparator();
     OSLog("\tKernel Panic! :(\n");
     PrintSeparator();
+    UInt64 funMessagesCount = sizeof(sFunMessages) / sizeof(sFunMessages[0]);
+    OSLog("\t%s\n", sFunMessages[Rand() % funMessagesCount]);
+    PrintSeparator();
 }
 
 static void DrawPanicFooter() {