Hacking [RCM Payload] Hekate - CTCaer mod

tataniko · Mar 10, 2019

Thanks for the partial restore. Great feature.
What do you think about zip restore?
A clean rawnand.bin is less than 1GB in zip not 30GB.

8BitWonder · Mar 10, 2019

tataniko said:
A clean rawnand.bin is less than 1GB in zip not 30GB.

It's close to 1GB if you don't store anything in internal storage.
If your internal storage is full it can be closer to 30GB.

tataniko · Mar 10, 2019

8BitWonder said:
It's close to 1GB if you don't store anything in internal storage.
If your internal storage is full it can be closer to 30GB.

My nand is 560MB in normal zip.

8BitWonder · Mar 10, 2019

tataniko said:
My nand is 560MB in normal zip.

My nand backup is 455MB in a 7z.
Neither of us install to internal storage.

Asia81 · Mar 10, 2019

8BitWonder said:
It's close to 1GB if you don't store anything in internal storage.
If your internal storage is full it can be closer to 30GB.

tataniko said:
My nand is 560MB in normal zip.

I don't have anything on mine (no update, no dlc, no games, just a "clean" nand).

So I guess I have some comrpession problems tren, cuz my rar is the same size.

tataniko · Mar 10, 2019

My suggestion is compressed backup/restore feature.
Thank you.

CTCaer · Mar 10, 2019

LoseSilent said:
Ah sweet, Thank you!

So, the backup should be fine, it was just a bug with the verification?

ofc I'll make another backup and save that too, I'm just concerned it will not be a "clean" backup because I've booted into Atmosphère 0.8.5

If your sd card is good then the backup should be ok. You should redone it just in case though.
It should be fairly clean if you run vanilla atmosphere and done nothing more.

Krude said:
Nice! I noticed that in the modernized ini template, you don't use atmosphere=1 for most atmosphère boot entries. Does fss0 automatically include that option and it's only needed when you load modules on their own?

Would a stock 7+ entry that doesn't use the fusee secondary bin still need the atmo patching option? Like this:

Code:

[Stock (7.0.0+)] secmon=modules/stock/exosphere.bin warmboot=modules/stock/lp0fw.bin atmosphere=1 stock=1

Krude said:
Oh yeah, would it be possible to get an option to reboot into hekate?

Usually when i need to take out my SD card to update stuff, i reboot into hekate to be able to take out the SD instead of powering off, so i don't need to fetch a dongle again. I also do this when i update hekate. It would be nice to have an option to reload the new update.bin from the hekate menu so i don't have to either go back to RCM and push hekate again or boot with the outdated hekate.

`fss0=`automatically sets atmosphere=1. I did that so ppl that forget that or want a cleaner ini, can have no problems.
As for reboot to hekate, dunno yet. we'll see.
You can still remove the sd card while in hekate, update your update.bin and also throw it in /bootloader/payloads/ and then launch it from there.

tataniko said:
Thanks for the partial restore. Great feature.
What do you think about zip restore?
A clean rawnand.bin is less than 1GB in zip not 30GB.

This is not possible, because BPMP (the cpu core that payloads run on) is too slow for that.
If it takes many many minutes to compress on a PC, there it will take forever.

tataniko · Mar 10, 2019

CTCaer said:
This is not possible, because BPMP (the cpu core that payloads run on) is too slow for that.
If it takes many many minutes to compress on a PC, there it will take forever.

I understand if you refuse the compression, but the speed depends on the compression method. That's why I suggested the zip method because it's very fast, low resources & it works since 1989.

CTCaer · Mar 10, 2019

Doesn't matter. Even if I use LZ0 or LZ77 it will still be slow. I've already done the performance tests.

Smartphones with CWM/TWRP are able to cope with that, because the main CPU is used.

Krude · Mar 10, 2019

Keep in mind that like 90% of the hardware and its capabilities are not initialized in RCM and unusable. There's a reason, for example, that the entire payload always stays below 124 kB size, because that's the hard limit of what you can push.

CTCaer already had to write his own custom DRAM trainer because in its uninitialized state, the RAM available in RCM was excruciatingly slow.

regnad · Mar 10, 2019

So do I understand correctly that the newest 4.9.1 version requires you to delete the sept.bin?

Does anything else (eg Atmosphere) need it?

Also what does this mean: NOTE: You will need sept and a custom warmboot binary to boot 7.X.X.

ZachyCatGames · Mar 10, 2019

tataniko said:
I understand if you refuse the compression, but the speed depends on the compression method. That's why I suggested the zip method because it's very fast, low resources & it works since 1989.

The bpmp is pretty much a shitty armv4 core that runs at around 400mhz with the single purpose of doing some early startup stuff. Compressing a 32gb file, even with the fastest compression, would take ages

tataniko · Mar 11, 2019

ZachyCatGames said:
The bpmp is pretty much a shitty arm core that runs at around 400mhz with the single purpose of doing some early startup stuff. Compressing a 32gb file, even with the fastest compression, would take ages

ARM7 400mhz? Really? This is not bad at all.

ZachyCatGames · Mar 11, 2019

tataniko said:
ARM7 400mhz? Really? This is not bad at all.

compressing a 32gb file on most reasonable PCs takes awhile... do you really think a old single core 400mhz arm CPU is gonna do it well

Alklas · Mar 11, 2019

i'm an old guy who compressed some stuff using a 8mhz cpu with no maths coprocessor... LZA forever

but written in assembly.

natkoden · Mar 12, 2019

compressing my NAND using 7zip with LZMA2 took almost half an hour with a 4690k lol

u guys are dreaming

peteruk · Mar 12, 2019

might be considered a stupid question but I'll ask it anyway because I've not used this mod (only for a nand back up)

my question is regarding the hekate_ipl.ini file, I notice it doesn't come in the official zip archive, does Hekate create this file upon running it or am i to create it myself with a text editor such as notepad ?

thanks

Krude · Mar 12, 2019

As the hekate readme says, there's a template you can use:

https://github.com/CTCaer/hekate/blob/master/res/hekate_ipl_template.ini

peteruk · Mar 12, 2019

Krude said:
As the hekate readme says, there's a template you can use:

https://github.com/CTCaer/hekate/blob/master/res/hekate_ipl_template.ini

feel lazy rather than foolish now, thanks for the link Krude

tiliarou · Mar 13, 2019

Compression is not a magical word that makes wonders in all cases...
It's not because it exist since a long time that it can be applied everywhere in every situation.
If the time/compression ratio is not interesting, then there is no point.

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