Kernel: Add custom stack to double fault handler

This prevents triple faults!
2025-07-02 23:13:17 +03:00
parent 6084aae603
commit 8da4f80453
5 changed files with 20 additions and 11 deletions
--- a/kernel/arch/x86_64/boot.S
+++ b/kernel/arch/x86_64/boot.S
@@ -59,9 +59,10 @@ bananboot_start:
 bananboot_end:

 .section .bss, "aw", @nobits
-	boot_stack_bottom:
-		.skip 4096 * 64
-	boot_stack_top:
+    .global g_boot_stack_top
+	g_boot_stack_bottom:
+		.skip 4096 * 4
+	g_boot_stack_top:

 	.global g_kernel_cmdline
 	g_kernel_cmdline:
@@ -193,7 +194,7 @@ _start:
 	movl %eax, V2P(bootloader_magic)
 	movl %ebx, V2P(bootloader_info)

-	movl $V2P(boot_stack_top), %esp
+	movl $V2P(g_boot_stack_top), %esp

 	call check_requirements
 	call enable_sse