IMPL: Better panic screen, fixing CUSA as in the gh issue.

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

3 files changed, 41 insertions, 155 deletions

diff --git a/dev/Kernel/src/KernelPanic.cc b/dev/Kernel/src/KernelPanic.cc
deleted file mode 100644
index d0119b5e..00000000
--- a/dev/Kernel/src/KernelPanic.cc
+++ /dev/null
@@ -1,128 +0,0 @@
-/* -------------------------------------------
-
-	Copyright (C) 2024, Theater Quality Corp, 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 <Mod/GfxMgr/FBMgr.h>
-#include <Mod/GfxMgr/TextMgr.h>
-
-/* 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_clear();
-
-		// 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: Pointer is invalid.", 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
diff --git a/dev/Kernel/src/UserProcessScheduler.cc b/dev/Kernel/src/UserProcessScheduler.cc
index 831acf42..03fa58f6 100644
--- a/dev/Kernel/src/UserProcessScheduler.cc
+++ b/dev/Kernel/src/UserProcessScheduler.cc
@@ -12,7 +12,6 @@
 /// @brief Low level/Ring-3 process scheduler.
 /***********************************************************************************/
 
-#include "HALKit/AMD64/Processor.h"
 #include <KernelKit/UserProcessScheduler.h>
 #include <KernelKit/HardwareThreadScheduler.h>
 #include <KernelKit/IPEFDLLObject.h>
diff --git a/dev/Kernel/src/Utils.cc b/dev/Kernel/src/Utils.cc
index 9f4a8609..9df612a3 100644
--- a/dev/Kernel/src/Utils.cc
+++ b/dev/Kernel/src/Utils.cc
@@ -109,7 +109,7 @@ namespace Kernel
 			return nullptr;
 
 		voidPtr v_src = reinterpret_cast<voidPtr>(const_cast<char*>(src));
-		voidPtr v_dst  = reinterpret_cast<voidPtr>(const_cast<char*>(string));
+		voidPtr v_dst = reinterpret_cast<voidPtr>(const_cast<char*>(string));
 
 		rt_copy_memory(v_src, v_dst, rt_string_len(src) + 1);
 
@@ -132,29 +132,6 @@ namespace Kernel
 		return character;
 	}
 
-	Bool rt_to_string(Char* str, Int32 limit, Int32 base)
-	{
-		if (limit == 0)
-			return false;
-
-		Int copy_limit = limit;
-		Int cnt		   = 0;
-		Int ret		   = base;
-
-		while (limit != 1)
-		{
-			ret		 = ret % 10;
-			str[cnt] = ret;
-
-			++cnt;
-			--limit;
-			--ret;
-		}
-
-		str[copy_limit] = '\0';
-		return true;
-	}
-
 	Boolean is_space(Char chr)
 	{
 		return chr == ' ';
@@ -165,7 +142,7 @@ namespace Kernel
 		return chr == '\n';
 	}
 
-	voidPtr rt_string_in_string(const Char* in, const Char* needle)
+	VoidPtr rt_string_in_string(const Char* in, const Char* needle)
 	{
 		for (SizeT i = 0; i < rt_string_len(in); ++i)
 		{
@@ -176,7 +153,45 @@ namespace Kernel
 		return nullptr;
 	}
 
-	// @brief Checks for a string start at the character.
+	Char rt_to_char(UInt64 base, Int32 limit)
+	{
+		const Char kNumbers[17] = "0123456789ABCDEF";
+		return kNumbers[base % limit];
+	}
+
+	Bool rt_to_string(Char* str, UInt64 base, Int32 limit)
+	{
+#ifdef __ZKA_AMD64__
+		auto i = 0;
+
+		auto final_number = base;
+
+		auto mult  = 1;
+		auto elems = 0L;
+
+		base /= 10;
+
+		while (base > 0)
+		{
+			elems++;
+			mult *= 10;
+			base /= 10;
+		}
+
+		while (elems > -1)
+		{
+			final_number = (final_number % mult) * 10 + final_number / mult;
+			str[i]		 = rt_to_char(final_number, limit);
+
+			--elems;
+			++i;
+		}
+#endif
+
+		return YES;
+	}
+
+	/// @brief Checks for a string start at the character.
 
 	Char* rt_string_has_char(Char* str, const Char chr)
 	{