feat: move CrashReport.cpp/hpp

kernel/src/Sched/CrashReport.cpp

@@ -0,0 +1,21 @@
+/*
+    * CrashReport.cpp
+    * Structured crash report implementation
+    * Copyright (c) 2026 Daniel Hammer
+*/
+
+#include "CrashReport.hpp"
+
+namespace CrashReport {
+
+Report g_reports[MaxReports];
+int g_reportHead = 0;
+int g_reportCount = 0;
+
+void AddReport(const Report& report) {
+    g_reports[g_reportHead] = report;
+    g_reportHead = (g_reportHead + 1) % MaxReports;
+    if (g_reportCount < MaxReports) g_reportCount++;
+}
+
+} // namespace CrashReport

kernel/src/Sched/CrashReport.hpp

@@ -0,0 +1,50 @@
+/*
+    * CrashReport.hpp
+    * Structured crash report for userspace process faults
+    * Copyright (c) 2026 Daniel Hammer
+*/
+
+#pragma once
+#include <cstdint>
+#include <cstddef>
+
+namespace CrashReport {
+
+static constexpr int MaxReports = 8;
+
+struct Report {
+    int pid;
+    char processName[64];
+    uint8_t exceptionVector;
+    char exceptionName[32];
+
+    uint64_t faultingAddress;
+    uint64_t instructionPointer;
+    uint64_t stackPointer;
+    uint64_t codeSegment;
+    uint64_t flags;
+    uint64_t stackSegment;
+
+    // Page fault error code bits (vector 0xE / page fault only)
+    uint8_t pfPresent : 1;
+    uint8_t pfWrite : 1;
+    uint8_t pfUser : 1;
+    uint8_t pfReservedWrite : 1;
+    uint8_t pfInstructionFetch : 1;
+    uint8_t pfProtectionKey : 1;
+    uint8_t pfShadowStack : 1;
+    uint8_t pfSGX : 1;
+
+    uint64_t timestampTick;
+    bool valid;
+};
+
+// Kernel-side ring buffer (written by exception handlers, read by SYS_CRASH_REPORT)
+extern Report g_reports[MaxReports];
+extern int g_reportHead;
+extern int g_reportCount;
+
+// Add a report to the kernel ring buffer
+void AddReport(const Report& report);
+
+} // namespace CrashReport