annotate ffstools/tiffs-rd/README @ 224:2900fe603f8a

beginning of MPFFS->TIFFS naming convention change
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Sun, 12 Jan 2014 07:59:00 +0000
parents
children c04aa85559ed
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
224
2900fe603f8a beginning of MPFFS->TIFFS naming convention change
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1 The utility being developed in this source directory will allow one to examine
2900fe603f8a beginning of MPFFS->TIFFS naming convention change
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
2 ("in vitro") flash file system (FFS) images read out of TI GSM devices - or
2900fe603f8a beginning of MPFFS->TIFFS naming convention change
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
3 more precisely, out of GSM devices using a TI chipset and running TI's GSM
2900fe603f8a beginning of MPFFS->TIFFS naming convention change
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
4 firmware versions from the late Calypso era. The FFS version in question is
2900fe603f8a beginning of MPFFS->TIFFS naming convention change
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
5 implemented in our own FreeCalypso GSM fw, also happens to be used by the
2900fe603f8a beginning of MPFFS->TIFFS naming convention change
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
6 original proprietary firmware on the Pirelli DP-L10, and on some devices like
2900fe603f8a beginning of MPFFS->TIFFS naming convention change
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
7 Openmoko GTA0x the use of this FFS format is required in order to make use of
2900fe603f8a beginning of MPFFS->TIFFS naming convention change
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
8 the factory IMEI and RF calibration data.
2900fe603f8a beginning of MPFFS->TIFFS naming convention change
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
9
2900fe603f8a beginning of MPFFS->TIFFS naming convention change
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
10 This new tiffs utility is intended to replace the earlier mpffs-* utilities
2900fe603f8a beginning of MPFFS->TIFFS naming convention change
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
11 released in the summer of SE52 (A.D. 2013), and will also incorporate the
2900fe603f8a beginning of MPFFS->TIFFS naming convention change
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
12 additional examination functionality that was developed as part of the
2900fe603f8a beginning of MPFFS->TIFFS naming convention change
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
13 "pirollback" utilities.
2900fe603f8a beginning of MPFFS->TIFFS naming convention change
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
14
2900fe603f8a beginning of MPFFS->TIFFS naming convention change
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
15 Naming
2900fe603f8a beginning of MPFFS->TIFFS naming convention change
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
16 ======
2900fe603f8a beginning of MPFFS->TIFFS naming convention change
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
17
2900fe603f8a beginning of MPFFS->TIFFS naming convention change
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
18 I have previously referred to the FFS format in question as Mokopir-FFS or
2900fe603f8a beginning of MPFFS->TIFFS naming convention change
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
19 MPFFS, from "Moko" and "Pirelli". I was originally hesitant to call it TIFFS,
2900fe603f8a beginning of MPFFS->TIFFS naming convention change
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
20 as lacking the source code, I had no way of knowing whether the FFS format and
2900fe603f8a beginning of MPFFS->TIFFS naming convention change
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
21 implementation were of TI's own invention, or something that TI licensed as a
2900fe603f8a beginning of MPFFS->TIFFS naming convention change
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
22 black box from one of their many proprietary software partners. (I was unable
2900fe603f8a beginning of MPFFS->TIFFS naming convention change
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
23 to identify it as any well-known, industry-standard FFS format, but absence of
2900fe603f8a beginning of MPFFS->TIFFS naming convention change
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
24 evidence is not evidence of absence.) But now that we have TI's original source
2900fe603f8a beginning of MPFFS->TIFFS naming convention change
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
25 code which implements this FFS (first the MV100-0.1.rar source, then the full
2900fe603f8a beginning of MPFFS->TIFFS naming convention change
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
26 Leonardo one), complete with comments and a HISTORY file, we know that our FFS
2900fe603f8a beginning of MPFFS->TIFFS naming convention change
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
27 was invented and implemented by someone named Mads Meisner-Jensen at TI - I'm
2900fe603f8a beginning of MPFFS->TIFFS naming convention change
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
28 guessing in the SSA group in Nice, France.
2900fe603f8a beginning of MPFFS->TIFFS naming convention change
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
29
2900fe603f8a beginning of MPFFS->TIFFS naming convention change
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
30 I am now making a naming transition from MPFFS to TIFFS: there is really no
2900fe603f8a beginning of MPFFS->TIFFS naming convention change
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
31 link between this FFS format and the Openmoko+Pirelli duo, other than the
2900fe603f8a beginning of MPFFS->TIFFS naming convention change
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
32 happenstance of me having first encountered this FFS on these two GSM device
2900fe603f8a beginning of MPFFS->TIFFS naming convention change
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
33 brands, and the name TIFFS is more neutrally-descriptive.