734 lines
26 KiB
Python
Executable File
734 lines
26 KiB
Python
Executable File
#!/usr/bin/python3
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import tarfile
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import glob
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import subprocess
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import array
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import struct
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import os
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def BuildKernel():
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kernel_c_sources = glob.glob("kernel/*.c") + glob.glob("kernel/*/*.c") + glob.glob("kernel/*/*/*.c")
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kernel_s_sources = glob.glob("kernel/*.S")
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cflags = "-O2 -std=c99 -finline-functions -ffreestanding -Wall -Wextra -Wno-unused-function -Wno-unused-parameter -Wno-format -pedantic -fno-omit-frame-pointer -D_KERNEL_ -DKERNEL_GIT_TAG=master"
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for i in kernel_c_sources:
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cmd = "gcc {cflags} -nostdlib -g -c -o {obj} {src}".format(
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cflags=cflags,
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obj=i.replace('.c','.o'),
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src=i
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)
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print(cmd)
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subprocess.run(cmd, shell=True)
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for i in kernel_s_sources:
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cmd = "as -o {obj} {src}".format(
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obj=i.replace('.S','.o'),
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src=i
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)
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print(cmd)
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subprocess.run(cmd,shell=True)
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objects = [x.replace('.c','.o') for x in kernel_c_sources] + [x.replace('.S','.o') for x in kernel_s_sources if not x.endswith('symbols.S')]
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cmd = "gcc -T kernel/link.ld {cflags} -nostdlib -o .toaruos-kernel {objects} -lgcc".format(
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cflags=cflags,
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objects=' '.join(objects),
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)
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print(cmd)
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subprocess.run(cmd, shell=True)
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cmd = "nm -g .toaruos-kernel | generate_symbols.py > kernel/symbols.S"
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print(cmd)
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subprocess.run(cmd,shell=True)
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subprocess.run("rm .toaruos-kernel", shell=True)
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cmd = "as -o kernel/symbols.o kernel/symbols.S"
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print(cmd)
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subprocess.run(cmd,shell=True)
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cmd = "gcc -T kernel/link.ld {cflags} -nostdlib -o cdrom/kernel {objects} kernel/symbols.o -lgcc".format(
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cflags=cflags,
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objects=' '.join(objects),
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)
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print(cmd)
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subprocess.run(cmd, shell=True)
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def BuildModules():
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module_sources = glob.glob('modules/*.c')
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cflags = "-O2 -std=c99 -finline-functions -ffreestanding -Wall -Wextra -Wno-unused-function -Wno-unused-parameter -Wno-format -pedantic -fno-omit-frame-pointer -D_KERNEL_ -DKERNEL_GIT_TAG=master"
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try:
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os.mkdir('cdrom/mod')
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except:
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pass
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for i in module_sources:
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cmd = "gcc {cflags} -nostdlib -g -c -o {obj} {src}".format(
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cflags=cflags,
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obj=i.replace('.c','.ko').replace('modules/','cdrom/mod/'),
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src=i
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)
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print(cmd)
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subprocess.run(cmd, shell=True)
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class Structure(object):
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assert_size = -1
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def __init__(self):
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self.data = {}
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for field in self.fields:
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if len(field) > 2:
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f, s, d = field
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self.data[s] = d
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else:
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f, s = field
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if f.endswith('s'):
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self.data[s] = b""
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else:
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self.data[s] = 0
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if self.assert_size != -1:
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assert(len(self) == self.assert_size)
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def __len__(self):
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return sum([struct.calcsize(f[0]) for f in self.fields])
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def read(self, data, offset):
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def read_struct(fmt,buf,offset):
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out, = struct.unpack_from(fmt,buf,offset)
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return out, offset + struct.calcsize(fmt)
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o = offset
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for field in self.fields:
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if len(field) > 2:
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f, s, _ = field
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else:
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f, s = field
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self.data[s], o = read_struct(f, data, o)
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return o
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def write(self, data, offset):
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def write_struct(fmt, buf, offset, value):
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struct.pack_into(fmt, buf, offset, value)
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return offset + struct.calcsize(fmt)
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o = offset
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for field in self.fields:
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if len(field) > 2:
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f, s, _ = field
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else:
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f, s = field
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o = write_struct(f,data,o,self.data[s])
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return o
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def read_struct(fmt,buf,offset):
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out, = struct.unpack_from(fmt,buf,offset)
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return out, offset + struct.calcsize(fmt)
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class FAT(object):
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def __init__(self, iso, offset):
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self.iso = iso
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self.offset = offset
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self.bytespersector, _ = read_struct('H', self.iso.data, offset + 11)
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self.sectorspercluster, _ = read_struct('B', self.iso.data, offset + 13)
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self.reservedsectors, _ = read_struct('H', self.iso.data, offset + 14)
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self.numberoffats, _ = read_struct('B', self.iso.data, offset + 16)
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self.numberofdirs, _ = read_struct('H', self.iso.data, offset + 17)
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self.fatsize, _ = read_struct('H', self.iso.data, offset + 22)
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self.root_dir_sectors = (self.numberofdirs * 32 + (self.bytespersector - 1)) // self.bytespersector
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self.first_data_sector = self.reservedsectors + (self.numberoffats * self.fatsize) + self.root_dir_sectors
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self.root_sector= self.first_data_sector - self.root_dir_sectors
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self.root = FATDirectory(self, self.offset + self.root_sector * self.bytespersector)
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def get_offset(self, cluster):
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return self.offset + ((cluster - 2) * self.sectorspercluster + self.first_data_sector) * self.bytespersector
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def get_file(self, path):
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units = path.split('/')
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units = units[1:]
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me = self.root
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out = None
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for i in units:
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for fatfile in me.list():
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if fatfile.readable_name() == i:
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me = fatfile.to_dir()
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out = fatfile
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break
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else:
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return None
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return out
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class FATDirectory(object):
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def __init__(self, fat, offset):
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self.fat = fat
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self.offset = offset
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def list(self):
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o = self.offset
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while 1:
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out = FATFile(self.fat, o)
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if out.name != '\0\0\0\0\0\0\0\0':
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yield out
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else:
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break
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o += out.size
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class FATFile(object):
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def __init__(self, fat, offset):
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self.fat = fat
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self.offset = offset
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self.magic_long = None
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self.size = 0
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self.long_name = ''
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o = self.offset
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self.actual_offset = o
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self.attrib, _ = read_struct('B',self.fat.iso.data,o+11)
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while (self.attrib & 0x0F) == 0x0F:
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# Long file name entry
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tmp = read_struct('10s',self.fat.iso.data,o+1)[0]
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tmp += read_struct('12s',self.fat.iso.data,o+14)[0]
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tmp += read_struct('4s',self.fat.iso.data,o+28)[0]
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tmp = "".join([chr(x) for x in tmp[::2] if x != '\xFF']).strip('\x00')
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self.long_name = tmp + self.long_name
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self.size += 32
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o = self.offset + self.size
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self.actual_offset = o
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self.attrib, _ = read_struct('B',self.fat.iso.data,o+11)
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o = self.offset + self.size
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self.name, o = read_struct('8s',self.fat.iso.data,o)
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self.ext, o = read_struct('3s',self.fat.iso.data,o)
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self.attrib, o = read_struct('B',self.fat.iso.data,o)
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self.userattrib, o = read_struct('B',self.fat.iso.data,o)
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self.undelete, o = read_struct('b',self.fat.iso.data,o)
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self.createtime, o = read_struct('H',self.fat.iso.data,o)
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self.createdate, o = read_struct('H',self.fat.iso.data,o)
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self.accessdate, o = read_struct('H',self.fat.iso.data,o)
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self.clusterhi, o = read_struct('H',self.fat.iso.data,o)
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self.modifiedti, o = read_struct('H',self.fat.iso.data,o)
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self.modifiedda, o = read_struct('H',self.fat.iso.data,o)
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self.clusterlow, o = read_struct('H',self.fat.iso.data,o)
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self.filesize, o = read_struct('I',self.fat.iso.data,o)
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self.name = self.name.decode('ascii')
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self.ext = self.ext.decode('ascii')
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self.size += 32
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self.cluster = (self.clusterhi << 16) + self.clusterlow
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def is_dir(self):
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return bool(self.attrib & 0x10)
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def is_long(self):
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return bool((self.attrib & 0x0F) == 0x0F)
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def to_dir(self):
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return FATDirectory(self.fat, self.fat.get_offset(self.cluster))
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def get_offset(self):
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return self.fat.get_offset(self.cluster)
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def readable_name(self):
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if self.long_name:
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return self.long_name
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if self.ext.strip():
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return (self.name.strip() + '.' + self.ext.strip()).lower()
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else:
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return self.name.strip().lower()
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def make_time():
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data = array.array('b',b'\0'*17)
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struct.pack_into(
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'4s2s2s2s2s2s2sb',
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data, 0,
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b'2018', b'11', b'14', # Year, Month, Day
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b'12', b'00', b'00', # Hour, Minute, Second
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b'00', # Hundreths
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0, # Offset
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)
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return bytes(data)
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def make_date():
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data = array.array('b',b'\0'*7)
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struct.pack_into(
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'BBBBBBb',
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data, 0,
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118, 11, 14,
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12, 0, 0,
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0,
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)
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return bytes(data)
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class ISOBootRecord(Structure):
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assert_size = 2048
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fields = (
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('B', 'type_code', 0),
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('5s', 'cd001', b'CD001'),
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('B', 'version', 1),
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('32s', 'boot_system_identifier'),
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('32s', 'boot_identifier'),
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('1977s', 'boot_record_data'),
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)
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class ISOElToritoBootRecord(ISOBootRecord):
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assert_size = 2048
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fields = (
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('B', 'type_code', 0),
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('5s', 'cd001', b'CD001'),
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('B', 'version', 1),
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('32s', 'boot_system_identifier',b'EL TORITO SPECIFICATION'),
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('32s', 'boot_identifier'),
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('<I', 'catalog_lba'),
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('1973s', 'boot_record_data'),
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)
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def set_catalog(self, catalog_lba):
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self.data['catalog_lba'] = catalog_lba
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class ISOPrimaryVolumeDescriptor(Structure):
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assert_size = 2048
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fields = (
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('B', 'type_code', 1),
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('5s', 'cd001', b'CD001'),
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('B', 'version', 1),
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('B', 'unused_0', 0),
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('32s', 'system_id', b' '*32),
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('32s', 'volume_id', b'ToaruOS Boot CD'.ljust(32)),
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('8s', 'unused_1', b'\0'*8),
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('<I', 'volume_space_lsb'),
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('>I', 'volume_space_msb'),
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('32s', 'unused_2', b'\0'*32),
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('<H', 'volume_set_size_lsb', 1),
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('>H', 'volume_set_size_msb', 1),
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('<H', 'volume_sequence_lsb', 1),
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('>H', 'volume_sequence_msb', 1),
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('<H', 'logical_block_size_lsb', 2048),
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('>H', 'logical_block_size_msb', 2048),
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('<I', 'path_table_size_lsb'),
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('>I', 'path_table_size_msb'),
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('<I', 'type_l_table_lsb'),
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('<I', 'optional_type_l_table_lsb'),
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('>I', 'type_m_table_msb'),
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('>I', 'optional_type_m_table_msb'),
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('34s', 'root_entry_data'),
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('128s', 'volume_set_identifier', b' '*128),
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('128s', 'publisher_identifier', b' '*128),
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('128s', 'data_preparer_identifier', b' '*128),
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('128s', 'application_identifier',b' '*128),
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('38s', 'copyright_file_identifier',b' '*38),
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('36s', 'abstract_file_identifier',b' '*36),
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('37s', 'bibliographic_file_identifier',b' '*37),
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('17s', 'volume_creation_time',make_time()),
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('17s', 'volume_modification_time',make_time()),
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('17s', 'volume_expiration_time',make_time()),
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('17s', 'volume_effective_time',make_time()),
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('B', 'file_structure_version'),
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('B', 'unused_3', 0),
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('512s', 'application_data'),
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('653s', 'reserved', b'\0'*653),
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)
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class ISOVolumeDescriptorSetTerminator(Structure):
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assert_size = 2048
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fields = (
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('B', 'type_code', 0xFF),
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('5s', 'cd001', b'CD001'),
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('B', 'version', 1),
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('2041s', 'unused', b'\0'*2041)
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)
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class ISODirectoryEntry(Structure):
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assert_size = 33
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fields = (
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('B', 'length'),
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('B', 'ext_length'),
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('<I', 'extent_start_lsb'),
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('>I', 'extent_start_msb'),
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('<I', 'extent_length_lsb'),
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('>I', 'extent_length_msb'),
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('7s', 'record_date', make_date()),
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('B', 'flags'),
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('B', 'interleave_units'),
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('B', 'interleave_gap'),
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('<H', 'volume_seq_lsb'),
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('>H', 'volume_seq_msb'),
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('B', 'name_len'),
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)
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def set_name(self, name):
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self.data['name_len'] = len(name)
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self.name = name
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self.data['length'] = self.assert_size + len(self.name)
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if self.data['length'] % 2:
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self.data['length'] += 1
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def set_extent(self, start, length):
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self.data['extent_start_lsb'] = start
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self.data['extent_start_msb'] = start
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self.data['extent_length_lsb'] = length
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self.data['extent_length_msb'] = length
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def write(self, data, offset):
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o = super(ISODirectoryEntry,self).write(data,offset)
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struct.pack_into(str(len(self.name))+'s', data, o, self.name.encode('utf-8'))
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return offset + self.data['length']
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class ArbitraryData(object):
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def __init__(self, path=None, size=None):
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if path:
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with open(path,'rb') as f:
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tmp = f.read()
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self.data = array.array('b',tmp)
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elif size:
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self.data = array.array('b',b'\0'*size)
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else:
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raise ValueError("Expected one of path or size to be set.")
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self.size = len(self.data.tobytes())
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self.actual_size = self.size
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while (self.size % 2048):
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self.size += 1
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def write(self, data, offset):
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struct.pack_into(str(self.size) + 's', data, offset, self.data.tobytes())
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return offset + self.size
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def make_entry():
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return b'\0'*34
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class ISO9660(object):
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def __init__(self, from_file=None):
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self.primary_volume_descriptor = ISOPrimaryVolumeDescriptor()
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self.boot_record = ISOElToritoBootRecord()
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self.volume_descriptor_set_terminator = ISOVolumeDescriptorSetTerminator()
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self.el_torito_catalog = ElToritoCatalog()
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self.allocate = 0x13
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if from_file:
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# Only for a file we produced.
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with open(from_file, 'rb') as f:
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tmp = f.read()
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data = array.array('b', tmp)
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self.primary_volume_descriptor.read(data, 0x10 * 2048)
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self.boot_record.read(data, 0x11 * 2048)
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self.volume_descriptor_set_terminator.read(data, 0x12 * 2048)
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self.el_torito_catalog.read(data, self.boot_record.data['catalog_lba'] * 2048)
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else:
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# Root directory
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self.root = ISODirectoryEntry()
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self.root.data['flags'] = 0x02 # Directory
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self.root.set_name(' ')
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self.root_data = ArbitraryData(size=2048)
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self.root_data.sector_offset = self.allocate_space(1)
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self.root.set_extent(self.root_data.sector_offset,self.root_data.size)
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# Dummy entries
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t = ISODirectoryEntry()
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t.set_name('')
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o = t.write(self.root_data.data, 0)
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t = ISODirectoryEntry()
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t.set_name('\1')
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o = t.write(self.root_data.data, o)
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# Kernel
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self.kernel_data = ArbitraryData(path='cdrom/kernel')
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self.kernel_data.sector_offset = self.allocate_space(self.kernel_data.size // 2048)
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self.kernel_entry = ISODirectoryEntry()
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self.kernel_entry.set_name('KERNEL.')
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self.kernel_entry.set_extent(self.kernel_data.sector_offset, self.kernel_data.actual_size)
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o = self.kernel_entry.write(self.root_data.data, o)
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# Ramdisk
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self.ramdisk_data = ArbitraryData(path='cdrom/ramdisk.img')
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self.ramdisk_data.sector_offset = self.allocate_space(self.ramdisk_data.size // 2048)
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self.ramdisk_entry = ISODirectoryEntry()
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self.ramdisk_entry.set_name('RAMDISK.IMG')
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self.ramdisk_entry.set_extent(self.ramdisk_data.sector_offset, self.ramdisk_data.actual_size)
|
|
o = self.ramdisk_entry.write(self.root_data.data, o)
|
|
|
|
# Modules directory
|
|
self.mods_data = ArbitraryData(size=(2048*2)) # Just in case
|
|
self.mods_data.sector_offset = self.allocate_space(self.mods_data.size // 2048)
|
|
self.mods_entry = ISODirectoryEntry()
|
|
self.mods_entry.data['flags'] = 0x02
|
|
self.mods_entry.set_name('MOD')
|
|
self.mods_entry.set_extent(self.mods_data.sector_offset, self.mods_data.actual_size)
|
|
o = self.mods_entry.write(self.root_data.data, o)
|
|
|
|
self.payloads = []
|
|
|
|
# Modules themselves
|
|
t = ISODirectoryEntry()
|
|
t.set_name('')
|
|
o = t.write(self.mods_data.data, 0)
|
|
t = ISODirectoryEntry()
|
|
t.set_name('\1')
|
|
o = t.write(self.mods_data.data, o)
|
|
for mod_file in [
|
|
'cdrom/mod/ac97.ko',
|
|
'cdrom/mod/ata.ko',
|
|
'cdrom/mod/ataold.ko',
|
|
'cdrom/mod/debug_sh.ko',
|
|
'cdrom/mod/dospart.ko',
|
|
'cdrom/mod/e1000.ko',
|
|
'cdrom/mod/ext2.ko',
|
|
'cdrom/mod/hda.ko',
|
|
'cdrom/mod/iso9660.ko',
|
|
'cdrom/mod/lfbvideo.ko',
|
|
'cdrom/mod/net.ko',
|
|
'cdrom/mod/packetfs.ko',
|
|
'cdrom/mod/pcnet.ko',
|
|
'cdrom/mod/pcspkr.ko',
|
|
'cdrom/mod/portio.ko',
|
|
'cdrom/mod/procfs.ko',
|
|
'cdrom/mod/ps2kbd.ko',
|
|
'cdrom/mod/ps2mouse.ko',
|
|
'cdrom/mod/random.ko',
|
|
'cdrom/mod/rtl.ko',
|
|
'cdrom/mod/serial.ko',
|
|
'cdrom/mod/snd.ko',
|
|
'cdrom/mod/tmpfs.ko',
|
|
'cdrom/mod/usbuhci.ko',
|
|
'cdrom/mod/vbox.ko',
|
|
'cdrom/mod/vgadbg.ko',
|
|
'cdrom/mod/vgalog.ko',
|
|
'cdrom/mod/vidset.ko',
|
|
'cdrom/mod/vmware.ko',
|
|
'cdrom/mod/xtest.ko',
|
|
'cdrom/mod/zero.ko',
|
|
'cdrom/mod/tarfs.ko',
|
|
]:
|
|
payload = ArbitraryData(path=mod_file)
|
|
payload.sector_offset = self.allocate_space(payload.size // 2048)
|
|
entry = ISODirectoryEntry()
|
|
entry.set_name(mod_file.replace('cdrom/mod/','').upper())
|
|
entry.set_extent(payload.sector_offset, payload.actual_size)
|
|
o = entry.write(self.mods_data.data, o)
|
|
self.payloads.append(payload)
|
|
|
|
# Set up the boot catalog and records
|
|
self.el_torito_catalog.sector_offset = self.allocate_space(1)
|
|
self.boot_record.set_catalog(self.el_torito_catalog.sector_offset)
|
|
self.boot_payload = ArbitraryData(path='cdrom/boot.sys')
|
|
self.boot_payload.sector_offset = self.allocate_space(self.boot_payload.size // 2048)
|
|
self.el_torito_catalog.initial_entry.data['sector_count'] = self.boot_payload.size // 512
|
|
self.el_torito_catalog.initial_entry.data['load_rba'] = self.boot_payload.sector_offset
|
|
#self.el_torito_catalog.section.data['sector_count'] = 0 # Expected to be 0 or 1 for "until end of CD"
|
|
#self.el_torito_catalog.section.data['load_rba'] = self.fat_payload.sector_offset
|
|
self.primary_volume_descriptor.data['root_entry_data'] = make_entry()
|
|
|
|
def allocate_space(self, sectors):
|
|
out = self.allocate
|
|
self.allocate += sectors
|
|
return out
|
|
|
|
def write(self, file_name):
|
|
with open(file_name, 'wb') as f:
|
|
data = array.array('b',b'\0'*(2048*self.allocate))
|
|
self.primary_volume_descriptor.write(data,0x10 * 2048)
|
|
self.root.write(data,0x10*2048 + 156)
|
|
self.boot_record.write(data,0x11 * 2048)
|
|
self.mods_data.write(data, self.mods_data.sector_offset * 2048)
|
|
self.root_data.write(data,self.root_data.sector_offset * 2048)
|
|
self.volume_descriptor_set_terminator.write(data,0x12 * 2048)
|
|
self.el_torito_catalog.write(data,self.el_torito_catalog.sector_offset * 2048)
|
|
self.boot_payload.write(data,self.boot_payload.sector_offset * 2048)
|
|
self.kernel_data.write(data,self.kernel_data.sector_offset * 2048)
|
|
self.ramdisk_data.write(data,self.ramdisk_data.sector_offset * 2048)
|
|
#self.fat_payload.write(data,self.fat_payload.sector_offset * 2048)
|
|
for payload in self.payloads:
|
|
payload.write(data,payload.sector_offset * 2048)
|
|
data.tofile(f)
|
|
|
|
class ElToritoValidationEntry(Structure):
|
|
assert_size = 0x20
|
|
fields = (
|
|
('B','header_id',1),
|
|
('B','platform_id',0),
|
|
('<H','reserved_0'),
|
|
('24s','id_str',b'\0'*24),
|
|
('<H','checksum',0x55aa),
|
|
('B','key_55',0x55),
|
|
('B','key_aa',0xaa),
|
|
)
|
|
|
|
class ElToritoInitialEntry(Structure):
|
|
assert_size = 0x20
|
|
fields = (
|
|
('B','bootable',0x88),
|
|
('B','media_type'),
|
|
('<H','load_segment'),
|
|
('B','system_type'),
|
|
('B','unused_0'),
|
|
('<H','sector_count'),
|
|
('<I','load_rba'),
|
|
('20s','unused_1',b'\0'*20),
|
|
)
|
|
|
|
class ElToritoSectionHeader(Structure):
|
|
assert_size = 0x20
|
|
fields = (
|
|
('B','header_id',0x91),
|
|
('B','platform_id',0xEF),
|
|
('<H','sections',1),
|
|
('28s','id_str',b'\0'*28)
|
|
)
|
|
|
|
class ElToritoSectionEntry(Structure):
|
|
assert_size = 0x20
|
|
fields = (
|
|
('B','bootable',0x88),
|
|
('B','media_type'),
|
|
('<H','load_segment'),
|
|
('B','system_type'),
|
|
('B','unused_0'),
|
|
('<H','sector_count'),
|
|
('<I','load_rba'),
|
|
('B','selection_criteria'),
|
|
('19s','vendor'),
|
|
)
|
|
|
|
class ElToritoCatalog(object):
|
|
|
|
def __init__(self):
|
|
self.validation_entry = ElToritoValidationEntry()
|
|
self.initial_entry = ElToritoInitialEntry()
|
|
self.section_header = ElToritoSectionHeader()
|
|
self.section = ElToritoSectionEntry()
|
|
|
|
def read(self, data, offset):
|
|
o = offset
|
|
o = self.validation_entry.read(data, o)
|
|
o = self.initial_entry.read(data, o)
|
|
o = self.section_header.read(data, o)
|
|
o = self.section.read(data, o)
|
|
|
|
def write(self, data, offset):
|
|
o = offset
|
|
o = self.validation_entry.write(data, o)
|
|
o = self.initial_entry.write(data, o)
|
|
o = self.section_header.write(data, o)
|
|
o = self.section.write(data, o)
|
|
|
|
|
|
def BuildISO():
|
|
iso = ISO9660()
|
|
iso.write('toaruos.iso')
|
|
|
|
|
|
def BuildRamdisk():
|
|
users = {
|
|
'root': 0,
|
|
'local': 1000,
|
|
}
|
|
|
|
restricted_files = {
|
|
'etc/master.passwd': 0o600,
|
|
'etc/sudoers': 0o600,
|
|
'tmp': 0o777,
|
|
'var': 0o755,
|
|
'bin/sudo': 0o4555,
|
|
'bin/gsudo': 0o4555,
|
|
}
|
|
|
|
def file_filter(tarinfo):
|
|
# Root owns files by default.
|
|
tarinfo.uid = 0
|
|
tarinfo.gid = 0
|
|
|
|
if tarinfo.name.startswith('home/'):
|
|
# Home directory contents are owned by their users.
|
|
user = tarinfo.name.split('/')[1]
|
|
tarinfo.uid = users.get(user,0)
|
|
tarinfo.gid = tarinfo.uid
|
|
elif tarinfo.name in restricted_files:
|
|
tarinfo.mode = restricted_files[tarinfo.name]
|
|
|
|
if tarinfo.name.startswith('src'):
|
|
# Let local own the files here
|
|
tarinfo.uid = users.get('local')
|
|
tarinfo.gid = tarinfo.uid
|
|
# Skip object files
|
|
if tarinfo.name.endswith('.so') or tarinfo.name.endswith('.o'):
|
|
return None
|
|
|
|
return tarinfo
|
|
|
|
with tarfile.open('cdrom/ramdisk.img','w') as ramdisk:
|
|
ramdisk.add('/',arcname='/',filter=file_filter,recursive=False) # Add a blank directory
|
|
ramdisk.add('/bin',arcname='/bin',filter=file_filter)
|
|
ramdisk.add('/',arcname='/usr',filter=file_filter,recursive=False) # Add a blank directory
|
|
ramdisk.add('/usr/share',arcname='/usr/share',filter=file_filter)
|
|
ramdisk.add('/',arcname='/usr/bin',filter=file_filter,recursive=False) # Add a blank directory
|
|
ramdisk.add('/',arcname='/usr/lib',filter=file_filter,recursive=False) # Add a blank directory
|
|
ramdisk.add('/usr/include',arcname='/usr/include',filter=file_filter)
|
|
ramdisk.add('/',arcname='/dev',filter=file_filter,recursive=False) # Add a blank directory
|
|
ramdisk.add('/',arcname='/cdrom',filter=file_filter,recursive=False) # Add a blank directory
|
|
ramdisk.add('/etc',arcname='/etc',filter=file_filter)
|
|
ramdisk.add('/',arcname='/var',filter=file_filter,recursive=False) # Add a blank directory
|
|
ramdisk.add('/',arcname='/tmp',filter=file_filter,recursive=False) # Add a blank directory
|
|
ramdisk.add('/',arcname='/proc',filter=file_filter,recursive=False) # Add a blank directory
|
|
ramdisk.add('/home',arcname='/home',filter=file_filter)
|
|
ramdisk.add('/lib',arcname='/lib',filter=file_filter)
|
|
ramdisk.add('/opt',arcname='/opt',filter=file_filter)
|
|
|
|
ramdisk.add('.',arcname='/src',filter=file_filter,recursive=False) # Add a blank directory
|
|
ramdisk.add('apps',arcname='/src/apps',filter=file_filter)
|
|
ramdisk.add('kernel',arcname='/src/kernel',filter=file_filter)
|
|
ramdisk.add('linker',arcname='/src/linker',filter=file_filter)
|
|
ramdisk.add('lib',arcname='/src/lib',filter=file_filter)
|
|
ramdisk.add('libc',arcname='/src/libc',filter=file_filter)
|
|
ramdisk.add('boot',arcname='/src/boot',filter=file_filter)
|
|
ramdisk.add('modules',arcname='/src/modules',filter=file_filter)
|
|
ramdisk.add('/usr/bin/build-the-world.py',arcname='/usr/bin/build-the-world.py',filter=file_filter)
|
|
|
|
def BuildBoot():
|
|
def print_and_run(cmd):
|
|
print(cmd)
|
|
subprocess.run(cmd,shell=True)
|
|
|
|
print_and_run("as -o boot/boot.o boot/boot.S")
|
|
print_and_run("gcc -c -Os -o boot/cstuff.o boot/cstuff.c")
|
|
print_and_run("ld -T boot/link.ld -o cdrom/boot.sys boot/boot.o boot/cstuff.o")
|
|
|
|
if __name__ == '__main__':
|
|
try:
|
|
os.mkdir('cdrom')
|
|
except:
|
|
pass
|
|
print("Building the kernel...")
|
|
BuildKernel()
|
|
print("Building modules...")
|
|
BuildModules()
|
|
print("Building boot.sys...")
|
|
BuildBoot()
|
|
print("Createing ramdisk...")
|
|
BuildRamdisk()
|
|
print("Building ISO...")
|
|
BuildISO()
|