From 774e3796b252383aafb8b3f30d51a19400c74516 Mon Sep 17 00:00:00 2001
From: Brett Weiland <brett_weiland@bpcspace.com>
Date: Sun, 18 Apr 2021 16:00:17 -0500
Subject: 	modified:   src/bootloader/bios_functions/bios_disk.asm 
 modified:   src/bootloader/bootloader.asm 	new file:  
 src/include/kernel.h 	modified:   src/include/libc.h 	modified:  
 src/include/paging.h 	new file:   src/include/panic.h 	modified:  
 src/kernel/kernel.c 	modified:   src/kernel/libc.c 	modified:  
 src/kernel/page.c 	new file:   src/kernel/panic.c 	modified:  
 src/link.ld 	modified:   src/makefile 	modified:   tools/page/page.py

---
 src/kernel/panic.c | 54 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 src/kernel/panic.c

(limited to 'src/kernel/panic.c')

diff --git a/src/kernel/panic.c b/src/kernel/panic.c
new file mode 100644
index 0000000..851684a
--- /dev/null
+++ b/src/kernel/panic.c
@@ -0,0 +1,54 @@
+#include <panic.h>
+#include <stdint.h>
+#include <printf.h>
+
+void panic(int reason, int type) { // will fill with debugging info latter
+  
+  struct stack_frame *frame;
+
+#ifdef EASTEREGG_BLOATWARE
+  printf("Kernel PANIC!!!!!!!\n");
+  printf(
+"     _.-^^---....,,--       \n"
+" _--                  --_  \n"
+"<                        >)\n"
+"|          BOOM           | <------- your computer\n"
+" \\._                   _./  \n"
+"    ```--. . , ; .--'''       \n"
+"          | |   |             \n"
+"       .-=||  | |=-.   \n"
+"       `-=#$%&%$#=-'   \n"
+"          | ;  :|     \n"
+" _____.,-#%&$@%#&#~,._____\n");
+#else
+  printf("Kernel Panic!\n");
+#endif
+
+  printf("Reason:\n");
+
+  switch(reason) {
+  case KERNEL_PANIC_PMAPSIZE :
+    printf("\tThe physical map can't fit in the first memory zone.\n"
+        "\tNote: If you have this issue, please contact me.\n"
+        "\tIt's a fixable bug caused by an unlikely scenario.\n");
+    break;
+  case KERNEL_PANIC_RSDP_UNFOUND:
+    printf("\tRSDP unfound!\n");
+    break;
+  case KERNEL_PANIC_KERNEL_RETURNED:
+    printf("\tThe kernel (almost) reached its return!\n");
+    break;
+  }
+  printf("\nStack trace:\n");
+
+  asm("mov %%rbp,%0" : "=r"(frame) ::);
+
+  for(; frame->next != 0; frame = frame->next) {
+    printf("\t%x\n", frame->function_base);
+  }
+
+  //It's not public yet, but it will be
+  printf("\nAfter ensuring your computer meets the requirements specified, if you think this is a bug, please open an issue on the git repo or email me at %s.\n", DEV_EMAIL);
+  for(;;);
+
+}
-- 
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