From 8f108466fac9a6fb96ec20a098f52211c84c4a70 Mon Sep 17 00:00:00 2001
From: Alex <enderice2@users.noreply.github.com>
Date: Thu, 13 Oct 2022 07:35:59 +0300
Subject: [PATCH] Added "Loading..." text at boot

---
 Architecture/i686/boot.asm | 74 +++++++++++++++++++++-----------------
 1 file changed, 42 insertions(+), 32 deletions(-)

diff --git a/Architecture/i686/boot.asm b/Architecture/i686/boot.asm
index d371c46..277066d 100644
--- a/Architecture/i686/boot.asm
+++ b/Architecture/i686/boot.asm
@@ -31,42 +31,52 @@ extern _kernel_end
 global _start
 
 _start:
-        mov esp, STACK_TOP - KERNEL_VIRTUAL_BASE
-        mov edi, BOOT_PAGE_TBL0 - KERNEL_VIRTUAL_BASE
-        mov esi, 0
-        mov ecx, 2048 - 301
+    mov word [0xb8000], 0x074C ; L
+    mov word [0xb8002], 0x076F ; o
+    mov word [0xb8004], 0x0761 ; a
+    mov word [0xb8006], 0x0764 ; d
+    mov word [0xb8008], 0x0769 ; i
+    mov word [0xb800a], 0x076E ; n
+    mov word [0xb800c], 0x0767 ; g
+    mov word [0xb800e], 0x072E ; .
+    mov word [0xb8010], 0x072E ; .
+    mov word [0xb8012], 0x072E ; .
+    mov esp, STACK_TOP - KERNEL_VIRTUAL_BASE
+    mov edi, BOOT_PAGE_TBL0 - KERNEL_VIRTUAL_BASE
+    mov esi, 0
+    mov ecx, 2048 - 301
 .PagingLoop:
-        cmp esi, _kernel_start - KERNEL_VIRTUAL_BASE
-        jl .LoopInside
-        cmp esi, _kernel_end - KERNEL_VIRTUAL_BASE
-        jge .LoopEnd
-        mov eax, esi
-        or eax, 3
-        mov [edi], eax
+    cmp esi, _kernel_start - KERNEL_VIRTUAL_BASE
+    jl .LoopInside
+    cmp esi, _kernel_end - KERNEL_VIRTUAL_BASE
+    jge .LoopEnd
+    mov eax, esi
+    or eax, 3
+    mov [edi], eax
 .LoopInside:
-        add esi, 4096
-        add edi, 4
-        loop .PagingLoop
+    add esi, 4096
+    add edi, 4
+    loop .PagingLoop
 .LoopEnd:
-        push ebx
-        mov dword [BOOT_PAGE_DIR0 - KERNEL_VIRTUAL_BASE + (000 * 4)], (BOOT_PAGE_TBL0 - KERNEL_VIRTUAL_BASE + 3)
-        mov dword [BOOT_PAGE_DIR0 - KERNEL_VIRTUAL_BASE + (001 * 4)], (BOOT_PAGE_TBL1 - KERNEL_VIRTUAL_BASE + 3)
-        mov dword [BOOT_PAGE_DIR0 - KERNEL_VIRTUAL_BASE + (896 * 4)], (BOOT_PAGE_TBL0 - KERNEL_VIRTUAL_BASE + 3)
-        mov dword [BOOT_PAGE_DIR0 - KERNEL_VIRTUAL_BASE + (897 * 4)], (BOOT_PAGE_TBL1 - KERNEL_VIRTUAL_BASE + 3)
-        mov ecx, BOOT_PAGE_DIR0 - KERNEL_VIRTUAL_BASE
-        mov cr3, ecx
-        mov ecx, cr0
-        or ecx, 0x80010000
-        mov cr0, ecx
-        add esp, KERNEL_VIRTUAL_BASE
-        mov eax, CallKernelMain
-        jmp eax
+    push ebx
+    mov dword [BOOT_PAGE_DIR0 - KERNEL_VIRTUAL_BASE + (000 * 4)], (BOOT_PAGE_TBL0 - KERNEL_VIRTUAL_BASE + 3)
+    mov dword [BOOT_PAGE_DIR0 - KERNEL_VIRTUAL_BASE + (001 * 4)], (BOOT_PAGE_TBL1 - KERNEL_VIRTUAL_BASE + 3)
+    mov dword [BOOT_PAGE_DIR0 - KERNEL_VIRTUAL_BASE + (896 * 4)], (BOOT_PAGE_TBL0 - KERNEL_VIRTUAL_BASE + 3)
+    mov dword [BOOT_PAGE_DIR0 - KERNEL_VIRTUAL_BASE + (897 * 4)], (BOOT_PAGE_TBL1 - KERNEL_VIRTUAL_BASE + 3)
+    mov ecx, BOOT_PAGE_DIR0 - KERNEL_VIRTUAL_BASE
+    mov cr3, ecx
+    mov ecx, cr0
+    or ecx, 0x80010000
+    mov cr0, ecx
+    add esp, KERNEL_VIRTUAL_BASE
+    mov eax, CallKernelMain
+    jmp eax
 
 section .text
 CallKernelMain:
-        push ebx
-        call x32Entry
-        cli
+    push ebx
+    call x32Entry
+    cli
 .hang:
-        hlt
-        jmp .hang
+    hlt
+    jmp .hang