starnakin/42_KFS
1
1
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

fix: kpanic print address of the fault only when page fault occured

Browse Source
This commit is contained in:
Starnakin 2025-02-04 11:57:43 +01:00
parent 7b7cc86999
commit db4ed04dd6
1 changed files with 8 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
src/kpanic.c
View File

@ -4,9 +4,11 @@
#include "kprintf.h"
#include "memory.h"
#include "power.h"
#include "string.h"
#include "terminal.h"
extern u32 page_table1[1024];
extern const char *faults[];
__attribute__((noreturn)) void kpanic(const char *format, ...)
{
@ -17,9 +19,12 @@ __attribute__((noreturn)) void kpanic(const char *format, ...)
va_start(va, format);
kvprintf(format, &va);
va_end(va);
u32 faulting_address;
__asm__ __volatile__("mov %%cr2, %0" : "=r"(faulting_address));
kprintf("fault at address: %p\n", faulting_address);
if (strcmp(format, faults[14]) == 0) {
u32 faulting_address;
__asm__ __volatile__("mov %%cr2, %0" : "=r"(faulting_address));
kprintf("fault at address: %p\n", faulting_address);
}
/* for (int i = 16; i < 32; i++) */
/* kprintf("%p\n", page_table1[i]); */
/* show_valloc_mem(); */