From 0ee22520f50b4f006a554c79dd0e5f1d5d780d4d Mon Sep 17 00:00:00 2001
From: "Anna (navi) Figueiredo Gomes" <navi@vlhl.dev>
Date: Sun, 7 Jan 2024 20:19:20 +0100
Subject: replace make with meson

Signed-off-by: Anna (navi) Figueiredo Gomes <navi@vlhl.dev>
---
 asm/boot.asm | 161 -----------------------------------------------------------
 1 file changed, 161 deletions(-)
 delete mode 100644 asm/boot.asm

(limited to 'asm/boot.asm')

diff --git a/asm/boot.asm b/asm/boot.asm
deleted file mode 100644
index ae68761..0000000
--- a/asm/boot.asm
+++ /dev/null
@@ -1,161 +0,0 @@
-[BITS 32]
-
-; Declare constants for the multiboot header.
-MBALIGN  equ  1 << 0            ; align loaded modules on page boundaries
-MEMINFO  equ  1 << 1            ; provide memory map
-MBFLAGS  equ  MBALIGN | MEMINFO ; this is the Multiboot 'flag' field
-MAGIC    equ  0x1BADB002        ; 'magic number' lets bootloader find the header
-CHECKSUM equ -(MAGIC + MBFLAGS)   ; checksum of above, to prove we are multiboot
- 
-; Declare a multiboot header that marks the program as a kernel. These are magic
-; values that are documented in the multiboot standard. The bootloader will
-; search for this signature in the first 8 KiB of the kernel file, aligned at a
-; 32-bit boundary. The signature is in its own section so the header can be
-; forced to be within the first 8 KiB of the kernel file.
-section .multiboot
-align 4
-	dd MAGIC
-	dd MBFLAGS
-	dd CHECKSUM
-
-section .bootstrap
-
-present	equ 1 << 7
-not_sys	equ 1 << 4
-exec	equ 1 << 3
-cd		equ 1 << 2
-rw		equ 1 << 1
-access	equ 1 << 0
-
-gran_4k	equ 1 << 7
-sz_32	equ 1 << 6
-long_m	equ 1 << 5
-
-global gdt.ptr
-gdt:
-.null: equ $ - gdt
-	dq 0
-.code: equ $ - gdt
-	dd 0xffff
-	db 0
-	db present | not_sys | exec | rw
-	db gran_4k | long_m | 0xf
-	db 0
-.data: equ $ - gdt
-	dd 0xffff
-	db 0
-	db present | not_sys | rw
-	db gran_4k | sz_32 | 0xf
-	db 0
-.ptr:
-	dw $ - gdt - 1
-	dq gdt
-
-global bootstrap
-bootstrap:
-
-	mov dword [multiboot_magic], eax
-	mov dword [multiboot_header], ebx
-
-	mov eax, cr0
-	and eax, ~(1 << 31)
-	mov cr0, eax
-
-	mov edi, pml4 ;0x1000
-	mov cr3, edi
-	xor eax, eax
-	mov ecx, 1024
-	rep stosd
-
-	mov edi, 0x2000
-	mov ecx, 4096
-	rep stosd
-
-	mov edi, cr3
-
-	mov dword [edi], 0x2003
-	mov edi, 0x2000
-	mov dword [edi], 0x3003
-	add edi, 0x1000
-	mov dword [edi], 0x4003
-	mov dword [edi + 8], 0x5003
-	add edi, 0x1000
-
-	mov ebx, 0x00000003
-	mov ecx, 512
-
-.set_entry:
-	mov dword [edi], ebx
-	add ebx, 0x1000
-	add edi, 8
-	loop .set_entry
-
-	mov edi, 0x5000
-	mov ecx, 512
-
-.set_entry_2:
-	mov dword [edi], ebx
-	add ebx, 0x1000
-	add edi, 8
-	loop .set_entry_2
-
-	mov eax, cr4
-	or eax, 1 << 5
-	mov cr4, eax
-
-	mov ecx, 0xc0000080
-	rdmsr
-	or eax, 1 << 8 | 1 << 0
-	wrmsr
-
-	mov eax, cr0
-	or eax, 1 << 31
-	mov cr0, eax
-
-	lgdt [gdt.ptr]
-
-	mov ax, gdt.data
-	mov ds, ax
-	mov es, ax
-	mov fs, ax
-	mov gs, ax
-	mov ss, ax
-
-	extern start
-	jmp gdt.code:start
-
-global set_pml4
-set_pml4:
-	mov ecx, 0xC000080
-	rdmsr
-	and eax, ~(1 << 8)
-	wrmsr
-
-	mov eax, cr0
-	and eax, ~(1 << 31)
-	mov cr0, eax
-
-	mov cr3, edi
-
-	mov ecx, 0xC000080
-	rdmsr
-	or eax, 1 << 8
-	wrmsr
-
-	mov eax, cr0
-	or eax, 1 << 31
-	mov cr0, eax
-
-	retf
-
-section .data
-align 16
-global multiboot_header
-multiboot_header: dq 0
-global multiboot_magic
-multiboot_magic: dq 0
-
-section .bss
-global pml4
-align 4096
-pml4: resq 512
-- 
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