FreeCalypso > hg > freecalypso-sw

annotate ffstools/README @ 1034:405b5469abc4 default tip

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
top README: repository change notice
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 12 Jun 2016 19:06:34 +0000
parents 3d88461d8284
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
250
3d88461d8284 beginning of TIFFS IVA documentation
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1 You are looking at the source for the TIFFS In Vitro Analyzer utility. You may
3d88461d8284 beginning of TIFFS IVA documentation
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
2 have downloaded it either as a separate package or as part of the larger
3d88461d8284 beginning of TIFFS IVA documentation
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
3 freecalypso-sw suite.
3d88461d8284 beginning of TIFFS IVA documentation
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
4
3d88461d8284 beginning of TIFFS IVA documentation
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
5 See TIFFS-Overview (in ../doc if you are working with the full freecalypso-sw
3d88461d8284 beginning of TIFFS IVA documentation
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
6 source tree) for a general description of what TIFFS is and why it matters.
3d88461d8284 beginning of TIFFS IVA documentation
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
7
3d88461d8284 beginning of TIFFS IVA documentation
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
8 The utility contained in the present package runs on a general purpose GNU/Linux
3d88461d8284 beginning of TIFFS IVA documentation
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
9 (or other Unix) host and enables "in vitro" examination of Flash File System
3d88461d8284 beginning of TIFFS IVA documentation
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
10 images read out of TI-based GSM devices. Using this utility, you can list the
3d88461d8284 beginning of TIFFS IVA documentation
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
11 directory and file content of an FFS image, cat any individual file in the FFS,
3d88461d8284 beginning of TIFFS IVA documentation
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
12 or extract the complete FFS content into your regular Unix file system. Some
3d88461d8284 beginning of TIFFS IVA documentation
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
13 "forensic" operations are also supported: by listing the inode array, one can
3d88461d8284 beginning of TIFFS IVA documentation
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
14 deduce the order in which the present FFS content got created, and see what
3d88461d8284 beginning of TIFFS IVA documentation
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
15 files have been overwritten or deleted in the span of still-visible history.
3d88461d8284 beginning of TIFFS IVA documentation
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
16 One can then cat the old byte content of those overwritten or deleted files,
3d88461d8284 beginning of TIFFS IVA documentation
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
17 if those data chunks are still in the FFS image (i.e., if the flash sector in
3d88461d8284 beginning of TIFFS IVA documentation
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
18 question has not been reclaimed yet).
3d88461d8284 beginning of TIFFS IVA documentation
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
19
3d88461d8284 beginning of TIFFS IVA documentation
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
20 Compilation and installation are straightforward: run 'make' to compile the
3d88461d8284 beginning of TIFFS IVA documentation
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
21 source; you should get 3 executable binaries named tiffs, mokoffs and pirffs;
3d88461d8284 beginning of TIFFS IVA documentation
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
22 then run 'make install' as root to install them in /usr/local/bin. The binary
3d88461d8284 beginning of TIFFS IVA documentation
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
23 named tiffs is the main program; mokoffs and pirffs are wrappers that simplify
3d88461d8284 beginning of TIFFS IVA documentation
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
24 the most common current use cases.
3d88461d8284 beginning of TIFFS IVA documentation
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
25
3d88461d8284 beginning of TIFFS IVA documentation
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
26 To install somewhere other than /usr/local/bin, edit the INSTBIN= setting in
3d88461d8284 beginning of TIFFS IVA documentation
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
27 the subdirectory Makefiles. You will also need to edit
3d88461d8284 beginning of TIFFS IVA documentation
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
28 tiffs-wrappers/installpath.c accordingly, as the mokoffs and pirffs wrappers
3d88461d8284 beginning of TIFFS IVA documentation
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
29 are designed to exec tiffs by its absolute installed pathname.
3d88461d8284 beginning of TIFFS IVA documentation
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
30
3d88461d8284 beginning of TIFFS IVA documentation
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
31 See Usage for the usage instructions.