From a64c3d7c2f2145bbb7abd6fd8832219ffade4118 Mon Sep 17 00:00:00 2001
From: rami <rami.kaldany@pm.me>
Date: Thu, 27 Jun 2024 22:31:22 -0400
Subject: [PATCH] added video to multiboot flags

---
 kernel/init.asm | 15 ++++++++++++++-
 kernel/kernel.c |  1 +
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/kernel/init.asm b/kernel/init.asm
index 798f6c2..2ecaade 100644
--- a/kernel/init.asm
+++ b/kernel/init.asm
@@ -1,11 +1,24 @@
 %define MAGIC 0x1BADB002
-%define FLAGS 0x0
+%define ALIGN 1<<0
+%define MMAP  1<<1
+%define VID   1<<2
+%define FLAGS (ALIGN | MMAP | VID)
 
 section .multiboot
 dd MAGIC
 dd FLAGS 
 dd -(MAGIC + FLAGS)
 
+dd 0 ; header_addr
+dd 0 ; load_addr
+dd 0 ; load_end_addr
+dd 0 ; bss_end_addr
+dd 0 ; entry_addr
+dd 1 ; mode_type
+dd 80 ; width
+dd 25 ; height
+dd 0 ; depth
+
 section .text
 global _start
 _start:
diff --git a/kernel/kernel.c b/kernel/kernel.c
index 363d192..aec5a06 100644
--- a/kernel/kernel.c
+++ b/kernel/kernel.c
@@ -6,6 +6,7 @@ kernel_ctx_t ctx = {0};
 
 void kernel(multiboot_info_t *info) {
     if (!(info->flags & (1<<6))) goto halt;
+    if (!(info->flags & (1<<12))) goto halt;
     ctx.mem_map = (multiboot_memory_map_t *)info->memmapaddress;
     ctx.mem_map_len = info->memmaplength;