From 81c54647d2ea344cd51818cf0e1712ca30553e86 Mon Sep 17 00:00:00 2001
From: 0x35c <unai64@orange.fr>
Date: Fri, 18 Apr 2025 17:19:56 +0200
Subject: [PATCH] feature: clear registers when kpanic is called

---
 src/clear_register.s | 14 ++++++++++++++
 src/kpanic.c         |  2 ++
 2 files changed, 16 insertions(+)
 create mode 100644 src/clear_register.s

diff --git a/src/clear_register.s b/src/clear_register.s
new file mode 100644
index 0000000..6e400f8
--- /dev/null
+++ b/src/clear_register.s
@@ -0,0 +1,14 @@
+.intel_syntax noprefix
+
+.section .text
+	.global clear_registers
+
+clear_registers:
+	xor eax, eax
+	xor ebx, ebx
+	xor ecx, ecx
+	xor edx, edx
+	xor esp, esp
+	xor ebp, ebp
+	xor esi, esi
+	xor edi, edi
diff --git a/src/kpanic.c b/src/kpanic.c
index 930d6a7..05b457a 100644
--- a/src/kpanic.c
+++ b/src/kpanic.c
@@ -9,6 +9,7 @@
 
 extern uint32_t page_table1[1024];
 extern const char *faults[];
+void clear_registers(void);
 
 __attribute__((noreturn)) void kpanic(const char *format, ...)
 {
@@ -30,6 +31,7 @@ __attribute__((noreturn)) void kpanic(const char *format, ...)
 	/* print_stack(); */
 	/* kprintf("\n\n"); */
 	/* kprintf("PRESS SPACE TO REBOOT"); */
+	clear_registers();
 	while (terminal_getkey().scan_code != KEY_SPACE)
 		;
 	reboot();