Oh yeah uh huh I'm making my own os...
ceayo.neocities.org
os
osdev
asm
assembly
1# |$|*file*packdisk.py*| |$|*noclean*|
2# |$|*artifact*disk.bin*packdisk.py&kernel.bin*"python3 {artifact0} {file} {artifact1}"*|
3from sys import argv
4import struct, math
5# USAGE: python3 packdisk.py <disk-location> <kernel.bin>
6assert len(argv) == 3
7print(argv)
8
9f_disk = open(argv[1], "wb")
10
11f_kernel = open(argv[2], "rb")
12
13f_kernel.seek(0, 2)
14kernel_size = f_kernel.tell()
15kernel_sector_count = math.ceil(kernel_size / 512)
16print(kernel_size, kernel_sector_count)
17f_kernel.seek(0, 0)
18
19# write the first sector
20"""
21struct sec_1 {
22 uint32_t kern_lba;
23 uint32_t kern_block_count;
24 void*(64) kern_addr;
25 padding to 512;
26}
27"""
28# HARDCODED
29# VV VV
30sec_1 = struct.pack("<IIQ"+("x"*(512-16)), 8, kernel_sector_count, 0x7B00)
31
32f_disk.write(sec_1)
33f_disk.write(f_kernel.read(kernel_size))
34padding_count = 512 - (kernel_size%512)
35f_disk.write(struct.pack("x"*padding_count))
36f_kernel.close()
37f_disk.close()