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feature: clear registers when kpanic is called

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0x35c 2025-04-18 17:19:56 +02:00
parent 6c8c158a1f
commit 81c54647d2
2 changed files with 16 additions and 0 deletions
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14
src/clear_register.s Normal file
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@ -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

2
src/kpanic.c
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@ -9,6 +9,7 @@
extern uint32_t page_table1[1024]; extern uint32_t page_table1[1024];
extern const char *faults[]; extern const char *faults[];
void clear_registers(void);
__attribute__((noreturn)) void kpanic(const char *format, ...) __attribute__((noreturn)) void kpanic(const char *format, ...)
{ {
@ -30,6 +31,7 @@ __attribute__((noreturn)) void kpanic(const char *format, ...)
/* print_stack(); */ /* print_stack(); */
/* kprintf("\n\n"); */ /* kprintf("\n\n"); */
/* kprintf("PRESS SPACE TO REBOOT"); */ /* kprintf("PRESS SPACE TO REBOOT"); */
clear_registers();
while (terminal_getkey().scan_code != KEY_SPACE) while (terminal_getkey().scan_code != KEY_SPACE)
; ;
reboot(); reboot();