IMPL: Important refactors and improvements of ZkaOS.

Signed-off-by: Amlal El Mahrouss <amlal.elmahrouss@icloud.com>

1 files changed, 130 insertions, 0 deletions

diff --git a/dev/Kernel/src/KernelPanic.cc b/dev/Kernel/src/KernelPanic.cc
new file mode 100644
index 00000000..0fd2ec64
--- /dev/null
+++ b/dev/Kernel/src/KernelPanic.cc
@@ -0,0 +1,130 @@
+/* -------------------------------------------
+
+	Copyright (C) 2024, Theater Quality Inc, all rights reserved.
+
+------------------------------------------- */
+
+#include <NewKit/KernelPanic.h>
+#include <ArchKit/ArchKit.h>
+#include <KernelKit/Timer.h>
+#include <KernelKit/DebugOutput.h>
+#include <NewKit/KString.h>
+#include <FirmwareKit/Handover.h>
+#include <KernelKit/FileMgr.h>
+#include <Modules/GfxMgr/FBMgr.h>
+#include <Modules/GfxMgr/TextMgr.h>
+
+#define kWebsiteURL "https://el-mahrouss-logic.com/products/help/"
+
+/* Each error code is attributed with an ID, which will prompt a string onto the
+ * screen. Wait for debugger... */
+
+namespace Kernel
+{
+	/***********************************************************************************/
+	/// @brief Stops execution of the kernel.
+	/// @param id kernel stop ID.
+	/***********************************************************************************/
+	Void ke_panic(const Kernel::Int32& id)
+	{
+		fb_init();
+
+		auto panic_text = RGB(0xff, 0xff, 0xff);
+
+		auto start_y = 50;
+		auto x		 = 10;
+
+		if (id != RUNTIME_CHECK_BOOTSTRAP)
+			fb_render_string("Kernel Panic!", start_y, x, panic_text);
+		else
+			fb_render_string("Kernel Bootstrap:", start_y, x, panic_text);
+
+		start_y += 10;
+
+		fb_fini();
+
+		// show text according to error id.
+
+		switch (id)
+		{
+		case RUNTIME_CHECK_PROCESS: {
+			fb_render_string("0x00000008: Invalid process behavior.", start_y, x, panic_text);
+			break;
+		}
+		case RUNTIME_CHECK_ACPI: {
+			fb_render_string("0x00000006: ACPI configuration error.", start_y, x, panic_text);
+			break;
+		}
+		case RUNTIME_CHECK_PAGE: {
+			fb_render_string("0x0000000B: Write/Read in non paged area.", start_y, x, panic_text);
+			break;
+		}
+		case RUNTIME_CHECK_FILESYSTEM: {
+			fb_render_string("0x0000000A: Filesystem driver error.", start_y, x, panic_text);
+			break;
+		}
+		case RUNTIME_CHECK_POINTER: {
+			fb_render_string("0x00000000: Kernel heap is corrupted.", start_y, x, panic_text);
+			break;
+		}
+		case RUNTIME_CHECK_BAD_BEHAVIOR: {
+			fb_render_string("0x00000009: Bad behavior.", start_y, x, panic_text);
+			break;
+		}
+		case RUNTIME_CHECK_BOOTSTRAP: {
+			fb_render_string("0x0000000A: Kernel has finished running, running OSLdr...", start_y, x, panic_text);
+			return;
+		}
+		case RUNTIME_CHECK_HANDSHAKE: {
+			fb_render_string("0x00000005: Handshake fault.", start_y, x, panic_text);
+			break;
+		}
+		case RUNTIME_CHECK_IPC: {
+			fb_render_string("0x00000003: Bad LPC message.", start_y, x, panic_text);
+			break;
+		}
+		case RUNTIME_CHECK_INVALID_PRIVILEGE: {
+			fb_render_string("0x00000007: Privilege access violation.", start_y, x, panic_text);
+			break;
+		case RUNTIME_CHECK_UNEXCPECTED: {
+			fb_render_string("0x0000000B: Unexpected violation.", start_y, x, panic_text);
+			break;
+		}
+		case RUNTIME_CHECK_VIRTUAL_OUT_OF_MEM: {
+			fb_render_string("0x10000001: Out of virtual memory.", start_y, x, panic_text);
+
+			break;
+		}
+		case RUNTIME_CHECK_FAILED: {
+			fb_render_string("0x10000001: Kernel Bug check appears to have failed, a dump has been written to the storage.", start_y, x, panic_text);
+			break;
+		}
+		default: {
+			fb_render_string("0xFFFFFFFC: Unknown Kernel Error code.", start_y, x, panic_text);
+			break;
+		}
+		}
+		};
+
+		RecoveryFactory::Recover();
+	}
+
+	Void RecoveryFactory::Recover() noexcept
+	{
+		while (YES)
+		{
+			HAL::rt_halt();
+		}
+	}
+
+	void ke_runtime_check(bool expr, const Char* file, const Char* line)
+	{
+		if (!expr)
+		{
+			kcout << "FAILED: FILE: " << file << endl;
+			kcout << "FAILED: LINE: " << line << endl;
+
+			ke_panic(RUNTIME_CHECK_FAILED); // Runtime Check failed
+		}
+	}
+} // namespace Kernel