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CPU parallel port
COM1 COM2
power power
ISA Slots
Memory SIMM Slots
PCI Slots
-
-
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VPFN 0
VPFN 1
VPFN 2
VPFN 3
VPFN 4
VPFN 5
VPFN 6
VPFN 7
VIRTUAL MEMORY
Process X
VPFN 0
VPFN 1
VPFN 2
VPFN 3
VPFN 4
VPFN 5
VPFN 6
VPFN 7
Process Y
VIRTUAL MEMORY
Process XPage Tables
PFN 0
PFN 1
PFN 2
PFN 3
PFN 4
PHYSICAL MEMORY
Page TablesProcess Y
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-
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ASM
FOE
FOW
FOR
KRE
KWE
URE
HGU
WE
3263
31 1315 14 12 11 10 9 8
PFN
2 07 6 5 4 3 1
__PAGE_ACCESSED__PAGE_DIRTY
V
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Level 2
Page Table Page Table
Level 3
Level 2 Level 3 Byte within pageLevel 1
PGD
VIRTUAL ADDRESS
Page Table
Level 1
PFN PFN PFN
Physical Page
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0011001100110011
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0001111
2
3
4
5
6
7
8
0 PFN
PHYSICAL MEMORY
0001110011001100110011001100114056 mem_map_t mem_map_t mem_map_t free_area
3
4
5
1
0
2
Free PFN
map
map
map
map
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offset
next_hashprev_hash
inode
mem_map_t
offset
next_hashprev_hash
inode
mem_map_t
120x2000
120x8000
:::
page_hash_table
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fs_struct
count
umask
*root
*pwd
inode
inode
file
f_mode
f_pos
f_flags
f_count
f_owner
f_inode
f_opf_version
inode
file operationroutines
fs
files
task_struct
files_struct
count
close_on_exec
open_fs
fd[0]
fd[1]
fd[255]
0x022
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count
mmap_avl
mm_struct
mmap_sem
mmap
pgd
vm_area_struct
vm_next
vm_flags
vm_inodevm_ops
vm_endvm_start
task_struct
mm
Processes Virtual Memory
vm_area_struct
vm_next
vm_flags
vm_inodevm_ops
vm_endvm_start
0x8059BB8
0x8048000
0x0000000
Data
Code
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ELF Executable Image
68536PT_LOAD
PF_R, PF_W
2200
4248
0x8059BB8
p_typep_offsetp_vaddrp_fileszp_memszp_flags
Data
Code
Physical Header
Physical Header
6853268532
0x80480000PT_LOAD
PF_R, PF_X
E L F0x804809052322
p_typep_offsetp_vaddr
p_fileszp_memszp_flags
e_idente_entrye_phoff e_phentsizee_phnum
-
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-
-
-
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-
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-
-
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-
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Data Page
PipeWriteOperations
Process 1 Process 2
f_mode
f_pos
f_flags
f_count
f_owner
f_inode
f_op
f_version
f_mode
f_pos
f_flags
f_count
f_owner
f_inode
f_op
f_version
file file
inode
Pipe
OperationsRead
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times
*wwait
msg_qnum
*msg_last
msqid_ds
ipc
*rwait
*msg_first
msg_qnum
msg
msg_type*msg_spotmsg_stimemsg_ts
*msg_next
messagemsg_ts
msg
msg_type*msg_spotmsg_stimemsg_ts
*msg_next
messagemsg_ts
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proc_nextid_nextsemidsemadj
sem_undo
sem_queuenextprevsleeperundopidstatussmasopsnsops
sem_nsemsundo
sem_pending_lastsem_pendingsem_base
times
ipc
semid_ds
array of semaphores
-
-
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-
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vm_area_struct
vm_next_shared
vm_area_struct
vm_next_shared
pte
pte
pte
ipc
shm_segsz
times
shm_npages
attaches
shm_pages
shmid_ds
-
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-
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-
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EthernetSCSI
Video
Upstream
Downstream
PCI-ISABridge
CPU
PCI-PCIBridge
PCI Bus 0
PCI Bus 1ISA Bus
Super I/O Controller
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31 1516 0
Device Id Vendor Id
CommandStatus
Class Code
00h
04h
08h
24h
10h
3Ch
Base Address Registers
Line Pin
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-
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071131 10 8 2 1
00Func RegisterDevice Select
071131 10 8 2 1
0Func Register 1Reserved DeviceBus
24 23 16 15
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pci_root
pci_dev
bussiblingnext
pci_dev
bussiblingnext
pci_dev
bussiblingnext
pci_dev
bussiblingnext
pci_dev
bussiblingnext
pci_bus
parentchildrennextself devices
pci_bus
parentchildrennextself devicesbus = 0
bus = 1
PCI-ISA Bridge PCI-PCI BridgeVideo
SCSI Ethernet
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-
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DI D2
1
BridgeDI D2
DI
DI D2
CPU
Bus 0
Bus 1
Bridge Bridge
3 2
Bus ?
Bus ?
Bridge
4
Secondary Bus = 2
Bus 2
Subordinate=0xFF
Primary Bus = 0Secondary Bus = 1
Primary Bus = 1
Subordinate=2
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-
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01
0
31 234
Base Address
Typeprefetchable
0131
Reserved
Base Address 1
Base Address for PCI I/O Space
Base Address for PCI Memory Space
2
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-
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-
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PIC1
PIC2
Keyboard
ide1
SCSI
sound 5
CPU 0
7
0
7
2
Real Time Clock
ide0
Serial
1
4
floppy6
3
6
-
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-
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-
- -
-
-
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Interrupthandlingroutinefor thisdevice
flags
name
next
handler
irq_action
1
0
2
3
irqaction
irqaction
handlerflags
name
next
irqaction
handlerflags
name
next
-
-
- -
-
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-
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-
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-
-
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-
-
-
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namefops
chrdevs
lseekreadwritereaddirselectiocltmmapopenreleasefsyn
fasynccheck_media_changerevalidate
file operations
-
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request_fn()current_request
::
sembh
next
tail
rq_statusrq_dev
mcd
request
sembh
next
tail
rq_statusrq_dev
mcd
request
0x030139
1024
b_devb_blocknr
b_stateb_countb_size
b_prevb_next
b_data
buffer_head
blk_dev_struct
blk_dev
-
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-
-
-
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majormajor_nameminor_shiftmax_pmax_nrinit()partsizesnr_realreal_devicesnext
gendisk
8"sd"
majormajor_nameminor_shiftmax_pmax_nrinit()partsizesnr_realreal_devicesnext
gendisk
start_sectnr_sects
start_sectnr_sects
::
:
hd_struct[]
"ide0"3
gendisk_head
max_p
-
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-
-
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-
-
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-
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DeviceDriverRoutines
name
Scsi_Host_Template
next"Buslogic"
next
id
type
host
Scsi_Device
next
id
type
host
Scsi_Device
next
this_idmax_id
Scsi_Host
hostt
scsi_devices
scsi_hostlist
scsi_hosts
-
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-
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-
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-
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-
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-
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DataBlocks
Block
Group N-1
Block
Group 0
Block
Group N
Block Bitmap
GroupDescriptors
SuperBlock
InodeTable
InodeBitmap
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-
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-
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-
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i1 15 file i2 40 14 very_long_name5
0 15 55
inode table
-
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-
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Disk Drivers
BufferCache
CacheInode
CacheDirectory
VFS
MINIX EXT2
-
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-
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-
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file_systems
requires_dev
file_system_type
*read_super()
name
next
"ext2"requires_dev
file_system_type
*read_super()
name
next
requires_dev
file_system_type
*read_super()
name "iso9660"
next
"proc"
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-
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requires_dev
file_system_type
*read_super()
name
next
i_devi_ino
vfsmntlist
"ext2"
0x0301
0x0301
0x0301 /dev/hda1 /
vfsmount
mnt_devmnt_devname
mnt_sbmnt_flags
mnt_dirname
next
1024
42
s_devs_blocksize
s_covered
s_flags
s_type
s_mounted
super_block VFS
inodeVFS
-
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-
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b_devb_blocknrb_stateb_countb_size
b_prevb_next
b_data
buffer_head
b_devb_blocknrb_stateb_countb_size
b_prevb_next
b_data
buffer_headhash_tableb_devb_blocknrb_stateb_countb_size
b_prevb_next
b_data
buffer_head
0x0301
0x0301
0x080142 17
39
20481024
1024
-
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132/217
-
-
7/27/2019 tlk-0.8-3.ps
133/217
-
-
-
-
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-
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-
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-
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-
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138/217
-
7/27/2019 tlk-0.8-3.ps
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-
7/27/2019 tlk-0.8-3.ps
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User
Kernel
Network Devices
Socket Interface
Protocol Layers
SocketsBSD
INETSockets
TCP UDP
ApplicationsNetwork
Ethernet
IP
SLIPPPP
ARP
-
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141/217
-
7/27/2019 tlk-0.8-3.ps
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-
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7/27/2019 tlk-0.8-3.ps
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files_struct
count
close_on_exec
open_fs
fd[0]
fd[1]
fd[255]
type
ops
inode
data
socket
Address Familysocket operations
BSD SocketFile Operations
lseekreadwriteselectioctlclosefasync
socket
sock
typeprotocol
file
f_mode
f_pos
f_flags
f_count
f_owner
f_version
f_op
f_inode
SOCK_STREAM
SOCK_STREAM
-
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-
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-
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-
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-
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-
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-
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-
-
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-
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fz_listfz_nentfz_logmask
fz_hash_tablefz_next
fz_mask
fib_zone
fib_dstfib_usefib_infofib_metric
fib_next
fib_tos
fib_node
fib_prevfib_gatewayfib_devfib_refcntfib_windowfib_flagsfib_mtufib_irtt
fib_next
fib_info
fib_dstfib_usefib_infofib_metric
fib_next
fib_tos
fib_node
fib_prevfib_gatewayfib_devfib_refcntfib_windowfib_flagsfib_mtufib_irtt
fib_next
fib_info
fib_zones
-
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-
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-
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bh_active31 0
31 0bh_mask
bh_base
31
0 Bottom half handler(timers)
-
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*data
next
*routine()
tq_struct
sync
*data
next
*routine()
tq_struct
sync
task queue
-
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-
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31 0timer_active
nextprevexpiresdata*function()
timer_listnextprevexpiresdata*function()
timer_list
expires*fn()
timer_struct
expires*fn()
timer_struct
31
0
timer_table
nextprevexpiresdata*function()
timer_head
-
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-
-
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-
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ref symtab
module
next
size
addr
*cleanup()
state
name
ref symtab
module
next
size
addr
*cleanup()
state
name "vfat"
symbol_tablesizen_symbolsn_refs
symbols
references
symbol_tablesizen_symbolsn_refs
symbols
references
module_list
"fat"
-
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-
-
-
-
-
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-
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-
-
-
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