Posted Jun 18, 2008 at 02:27PM by Isaac C. Listed in: Firmware, Homebrew Development, News Tags: Custom Firmware
Ó

   PSP Firmware 4.0 decrypted: PRX changes, minimal problems for CFW development - Image 1 


The team that brought us Custom Firmware 3.95 GEN was able to look into the resource directory of Firmware 4.0's flash0 resource directory, revealing a bunch of PRXs that have been changed.

They note these PRXs among those that have been changed: pops popsman, npdrm, np9660, mlnbridge, sysmem, umdcache, sysconf, and video. They also point out that the NIDS doesn't seem to have been changed.

Good news is that they don't think that any of the changes will pose too much of a problem for developing Custom Firmwares, and they believe that one will be introduced soon.

A hearty thanks to Gilberto for the tip!

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56 Comments


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   by Bolec - 2008-06-18
 » I think

that's good, isn't it? But there's not really too much cool stuff (if any) in this FW, so I don't know if I update or no..


   Re: JaXeRiR - 2008-06-19
 » Lulz.

"The team that brought us Custom Firmware 3.95 GEN was able to look into the resource directory of Firmware 4.0's flash0 resource directory, revealing a bunch of PRXs that have been changed."

The funny thing is that there are no PRX files in the resource directory, only RCOs. :) I think you mean the module folder?
   by NDWolfwood - 2008-06-18
 » hey

has DAX given up making custom firmwares? i hope not. his were awesome. thinks* hmm maybe DAX=GEN?*


   Re: KyyubiDX - 2008-06-18
 » don't think so

the main coder of GEN miriam is a french girl (french part is supposition) so no XD sorry to burst your bubble

   Re: EXTER - 2008-06-18
 » .

No, DAX was just waiting for a major revision to be released. The last few previous firmwares offered little change, so DAX didn't waste effort into making an M33 of those. I've heard that despite little improvement, DAX will still make 4.00 M33, because it's a mayor release number.

   Re: FreePlay - 2008-06-18
 » What?

4.00 is a major release NUMBER, but as a release it's very very minor. Google and variable video playback speed? No, thanks.

   Re: Sythun - 2008-06-18
 » 4.00 was the wrong number to use

they should have just named it the 3.95 firmware because there isn't any major things...

   Re: Sythun - 2008-06-19
 » woops

theres already a 3.95, i mean 3.97

   Re: JaXeRiR - 2008-06-19
 » ...

I don't think they just randomly decide the numbers. They just thought that variable play speed and google search were worth the 0.05. Or should I say 0.04, because 3.96 was the previous firmware...

   Re: FreePlay - 2008-06-19
 » Not quite

Since 3.00, the numbers have been based on the SDK version, rather than being an indicator of features.
   by NDWolfwood - 2008-06-18
 » oh lol

well, anyway i just hope that DAX hasn't given up making his awesome custom firmwares.

also (just thought i'd share this) some of the ppl on the forums at us.playstation.com think that the custom firmwares are stupid, and that ofw are better. haha they doan know what they're missing


   Re: Silver-Tiger - 2008-06-18
 » ....

you know, Sony is keeping a tap on this board, if there a lot of comments about CFWs, they simply delete them.

   Re: Vanaheimx - 2008-06-18
 » huh?

Where's your source for that load of bullcrap?

If this board was sony-regulated, I'm pretty sure they wouldn't host an assortment of hoebrew and CFW for download.

   Re: majorbb100 - 2008-06-18
 » @Vanaheimx

i think he meant the sony boards. I remember reading an article on this site saying that any talk of cfw or homebrew on the sony forums would be deleted.

   Re: Nathanias - 2008-06-18
 » LOL

I was at teh forums as well, 3 whole pages of talk deleted for CFW talk

   Re: Silver-Tiger - 2008-06-18
 » ...

you seriously need some help with your eyes. I replied to NDWolfwood, so I meant the us playstation boards, OF COURSE I DON'T MEAN qj.net!
   by NDWolfwood - 2008-06-18
 » 0.o

you mean the us.playstation board right, silver?
lol cuz i was gonna say, "sony doesn't control qj. hahaha."


check this out. i made an awesome point here:
http://boardsus.playstation.com/playstation/board/message?board.id=psp&message.id=3347384&jump=true#M3347384


(i'm Rakuen)


   Re: FreePlay - 2008-06-18
 » .

"The message you are trying to access has been deleted. Please update your bookmarks. "
   by NDWolfwood - 2008-06-18
 » haha

no offence dude, but there's no way that sony controls this board. i mean, you can download LOADS of homebrew and downgrading stuff here.

yeah, sony's gonna fail at one point in time. then DAX will be more famous than sony (hopefully :3 )

   by NDWolfwood - 2008-06-18
 » sry for the multi-posting

i read on sony's forum, that version 4.00 is having problems with the names of the videos on it. (i know its not a big deal but, from what i've heard its an annoyance.

hopefully GEN will fix this


   Re: digicron - 2008-06-18
 » ..

im sure sony will release a 4.01 if this really is an issue.
   by digicron - 2008-06-18
 » oy

from Alek' Blog (http://sceners.org/)

" Last two ofw (3.93 and 3.95) won't be modified to M33 versions. End of discussion. If you updated to that version, you CAN downgrade to M33 3.90 version using last version of Despertar del Cementerio, you can find a tutorial on this same site or the PSPWiki. If you don't know either how to do and keep insulting, i'd personally look for who is under that ip. Further comments asking or insulting for no making more M33 versions, will be (as now) ipbanned on all the hosts, this means, you won't be able to resolve dax.org, for example.

Yes, 4.00 will be next step. Dunno when it will be released the original one, but that won't be like .93 and .95. "

this was posted pre 4.00 being released. you fanboi's need to settle down a bit. let the dev's do there work. and in terms of Sony Failing, well thats a comment straight out of someone's a$$, sony will never fail, in terms of bringing what they have promised to the PSP they have succedded HUGE.

   by NDWolfwood - 2008-06-18
 » lol

i just dissed sony on their own forum!

(sry i didn't take my meds today. my parents put them sumwhere, and now i can't find them =(.


   Re: digicron - 2008-06-18
 » ..

you want a cookie? mabey a gold star? do yourself and the scene a favour by keeping your comments to yourself. no one cares...

   Re: Vanaheimx - 2008-06-18
 » Hey.

Leave the guy alone, I mean he doesn't even have his meds.

   Re: majorbb100 - 2008-06-18
 » @Vanaheimx

haha the kid probably has down syndrome.

   Re: ultimax - 2008-06-21
 » majorbb100

Ahahah... No. Not something to joke about. Really.
   by NDWolfwood - 2008-06-18
 » digicron

dude what got shoved up ur ass today?

do you know how "meds" effect ppl? some ppl (like me) say weird things with out thinking when they don't take their meds.

go do everyone a favor and stop being an ass to ppl who have problems when they don't take their meds.

i'm sure that you have no friends and i can see why.
go do something useful besides bltching at other ppl.

by the way, i have a cookie. chocolate chip :3 its in the kitchen. =P


   Re: digicron - 2008-06-18
 » ..

seriously, your the one making a scene by talking about "dissing sony" on there own forums etc etc. and by making a point of telling the world that you didnt take your meds. seems to me like your the one striving for attention. i dont really care if im an ass, its nooblets like you who ruin QJ for the actual sceners. im only posting this in an attempt to make you realize how much of an ass you have made yourself look like.
   by NDWolfwood - 2008-06-18
 » -.- wow

w/e your just upset becuz you have no life and everyone treats you like crap. stop making others feel bad just becuz ur life is shlt.

i'm just trying to have some fun. you don't have to butt into others conversations. i admit it, i can't really think clear w/out taking my meds. so your the ass for being an ass to ppl when they can't help it.

i bet u've heard of ADD, ADHD, Bipoler, ect.

thats like calling a retard retarded. you just don't do it. its not right. so you shouldn't do this to me just becuz i have some problems. now plz be a good person and don't be like that.
like i said b4. what your doing is like calling a retarded guy "a retard". you have no manners. grow up and stop being a dlck.

cuz your makin me feel bad.

(remember, its like calling a retarded guy "a retard". its not right. remember that, and you will survive in life.)


   Re: Advertising - 2008-06-18
 » No one

No one called you anything. You were the one mentioning all that irrelevant and unnecessary information.

Now STFU!!!

   Re: majorbb100 - 2008-06-18
 » @NDWolfwood

it sounds like you are retarded. haha what are your meds, Xanex and Acid?

   Re: jwydell - 2008-06-20
 » meds

quit having a pity party

   Re: ultimax - 2008-06-21
 » Erm

NDWolfwood, sounds like you're the one being bullied... In all seriousness, you should try telling a few people to f*** off in real life. Yup, that's serious advice. Just tell people to f*** off. No really, do it. It feels good. Especially when it's just the one person. If you can break their nose like I did, that's an added bonus. Course then you gotta deal with phonecalls home and temporary exclusions... But who cares. Tis worth it.
   by Binary - 2008-06-18
 » blah

everybody here is full of *****.

Dark_AleX did not leave!!! ok? He says that newer firmwares is nothing.

Sony is not watching, if they do what will they do? not a thing but to change their prx's like they did now.


   by Foolmonkey - 2008-06-18
 » hmm...

how did they dump it?


   Re: urherenow - 2008-06-18
 » Same way they dump every other update

Download the thing http://du01.psp.update.playstation.org/update/psp/image/us/2008_0618_bf8d5081adc08457debe062270646c45/EBOOT.PBP

then run a slightly tweaked prxdecryptor. apparantly the encryption keys didn't change from 3.95... which they already dumped and decrypted.

   Re: Binary - 2008-06-18
 » .

and they test it with battery hack.

   Re: Foolmonkey - 2008-06-18
 » ?

i mean how can iiii dump it? i guess i'll wait for a new psar dumper
   by xlemuelx - 2008-06-18
 » NDWolfwood

Most of the time, people who scold others saying they have no friends, have no friends themselves. fyi from what i read in an article about hostility on the www

   by sage3k - 2008-06-18
 » Cool!

I'll still wait for Dax.. good 2 know though!


   Re: Binary - 2008-06-18
 » ..

blah better wait for something better.
   by urherenow - 2008-06-18
 » Link was too long

http://tinyurl.com/5qn84a for the direct download


   Re: Binary - 2008-06-18
 » yeah right

too long? who cares if its long


I wouldn't click it if I was yall

   Re: urherenow - 2008-06-18
 » ??

why not? When 4.00 m33 gets released you'll have to download it anyway.
   by sicksider - 2008-06-18
 » Hmm...

Although this FW has less new feature,but it has something not right about this FW.

Also I think GEN and M33 is getting new research on this..cause since Sony has changed the files in FLASH0.
CFW will soon release cause nothing is impossible.

   by sicksider - 2008-06-18
 » Referred from Wikipedia

This is what read from wiki,

4.00 M33

Official firmware 4.00 was released. On the Dark-Alex website, it is stated that version 4.00 M33 will be releases soon in the middle of June.


Hmm...Middle of June?Really?


   Re: FreePlay - 2008-06-18
 » Lies

The link they provide as evidence doesn't even mention the word June, so yeah. Lies.
   by EricDraven - 2008-06-18
 » I'm about...

to ask what maybe a noob q...

Is it possible to shuttle back and forth between versions of GEN's and M33's fw?


   Re: majorbb100 - 2008-06-20
 » haha

no.
   by urherenow - 2008-06-19
 » Sure!

If you use the time machine method, I suppose you can. Also, using Pandora+DC you can always downgrade then upgrade again as many times as you want.


   Re: EricDraven - 2008-06-19
 » now there's an enlightened answer...

i've always updated mainly on one branch (M33) and have never downgraded either, that's why i asked the q.

thanks man, for being accommodating and at least caring enough to make a proper reply instead of blindly dismissing my query. did you notice we both got dissed? lol
   by misfitsman805 - 2008-06-19
 » 4.00 M33

Right off of the Wiki Site!

"It has been confirmed that there will be no 3.93 M33 or 3.95 M33, but a 4.00 M33 will be made."

http://en.wikipedia.org/wiki/PlayStation_Portable_homebrew#4.00_M33


   Re: FreePlay - 2008-06-19
 » ...

This was before they knew what was in 4.00. They assumed there would be worthwhile features.

That was added by fanboys, kids.
   by PSP BOOM - 2008-06-19
 » my 2 cents

yo i can see that the next cfw will have very little but (i dont even know this for sure so correct me if im wrong) y dont psp programmers like team m33 with DAX and/or GEN figure out a way to put there own prxs and features into the future 4.00m33 and put it back to the next best thing i no it will be difficult as crap but the end product will be well worth the w8 and time spent or so i believe. maybe not for the renowned programmers because the amount of work makes me kinda wish i could help but im a noob at programming : P

   by palmae - 2008-06-22
 » 4.00 m33

para cuando estara



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