RELEASE SXOS Hidden Emunand Backup Tool

Discussion in 'Switch - Emulation, Homebrew & Software Projects' started by Horaldo, Oct 12, 2019.

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  1. Horaldo
    OP

    Horaldo Newbie

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    Hi Guys

    Here is tool to help you backup your BOOT0 , BOOT1 , Rawnand from your SXOS Hidden Emunand SD card.
    This uses a free tool provided from Microsoft Sector Inspector to create the backup.

    Please note that once you have selected your backup location it may look like the program has closed. In reality it is doing its thing in the background, Just wait as rawnand is 29GB in size this takes a while.
    A popup will display once backup is completed. I'm planing to have this resolved with the implementation of a progress bar.

    The .Zip file attached contains the following:
    SecInspector
    TX Hidden Emunand Backup Tool
    Source Code

    When i have some free time i will try add the below additional features & improvements. More than happy if someone else wants to make the changes, just provide the code once done.

    **Future Features**
    Add Option to Restore backup to new SD card
    Progress Bar during Rawnand Backup/Restore
    Option to Backup/Restore individual items EG. BOOT0 , BOOT1 or Rawnand

    Finally shutouts to the following people for helping discover this solution & for the coding
    Farni -
    RoyalPatch
    TX for their products.

    Thanks
     

    Attached Files:

    Last edited by Horaldo, Oct 12, 2019
    lordelan, Switchup, gizmomelb and 3 others like this.
    #1 Oct 12, 2019
  2. masagrator

    masagrator The developper

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    At first glance at title I was thinking SX OS has some hidden feature that you have found. :D
     
    Ericthegreat and A3660537JPN like this.
    #2 Oct 12, 2019
  3. PatrickD85

    PatrickD85 GBAtemp Advanced Fan

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    in front of a screen...
    Same here, clickbait title a bit but well atleast you did detail enough in the post itself :)
     
    #3 Oct 12, 2019
  4. Horaldo
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    Horaldo Newbie

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    If admin wants rename title from TX to SXOS to avoid any confusion.
     
    #4 Oct 12, 2019
  5. ELY_M

    ELY_M Developer

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    I will do testing on atmosphere emunand
     
    Deobulakenyo likes this.
    #5 Oct 14, 2019
  6. Deobulakenyo

    Deobulakenyo GBAtemp Regular

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    this i gotta wait for.
     
    #6 Oct 14, 2019
  7. xRock

    xRock Newbie

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    we can start Task Manager to see if it works.
    If working, you'll see Sector inspector using your disk (can't send a screen cuz I don't have 5 posts yet)
     
    Horaldo likes this.
    #7 Oct 14, 2019
  8. gizmomelb

    gizmomelb GBAtemp Advanced Fan

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    nice work, thanks for including the powershell script
     
    Horaldo likes this.
    #8 Oct 14, 2019
  9. Horaldo
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    Horaldo Newbie

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    Sneak Peak of Version 2.0
    Unfortunately i had to move away from PS however Source will be provided.

    Also looking at adding option to enter custom sector values, this will give user the ability to backup alternative sectors. From what i have read so far Atmosphere may be on different sectors. I personally have not tried backing up atmosphere yet.

    https://ibb.co/30YcVhZ

    [​IMG]
    [​IMG]

    If anyone has experience with vb.net & would like to give me a hand please DM on GBATEMP Discord chan. Same username as here.

    Thanks
     
    Last edited by Horaldo, Oct 14, 2019
    Luckz, 20mark, BeatZeps and 1 other person like this.
    #9 Oct 14, 2019
  10. pcwizard7

    pcwizard7 GBAtemp Advanced Fan

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    sxos emunand starts at sector 0x02

    all the tool would need is the sector range in which u place the emumd nand partition, now people who used atmos would place this at end of the card. u would need to know the starting point of where the nand is placed to end of the card.

    or something like memloader to mount the partitions first then back them up?
     
    #10 Oct 14, 2019
  11. kublai

    kublai GBAtemp Fan

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    Nice tool. Thanks.
     
    #11 Oct 14, 2019
  12. hippy dave

    hippy dave BBMB

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    For atmosphere the ideal way would be to read emummc/emummc.ini to read the start address of the emunand, because it can be anywhere.
     
    ELY_M likes this.
    #12 Oct 14, 2019
  13. Switch_Maniac

    Switch_Maniac Advanced Member

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    Guess since I dual boot them from the same emunand I can just dump once :lol: and don't have to guess where the atmo one is...Gonna check this out later. It's for sure been something that's been asked for, for a while.
     
    #13 Oct 14, 2019
  14. mrjoshuaco

    mrjoshuaco GBAtemp Regular

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    I mean, in fairness, it's all in how you read it. When spoken aloud with the correct emphasis, it can easily mean exactly what it's trying to say. I actually read it as the Hidden Emunand + Backup Tool. As opposed Hidden + Emunand Backup Tool, if that makes sense. So, not exactly intentional in the clickbait sense.
     
    PatrickD85, Switch_Maniac and gizmomelb like this.
    #14 Oct 14, 2019
  15. eliboa

    eliboa GBAtemp Regular

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    You don't know either on which MBR partition is located the "emummc" folder, don't you ?

    I guess the best way to do this is the way hekate does it (emunand migration tool) :
    - Iterate every mmc's MBR partition
    - For each partition, look for the GPT signature (EFI PART) of RAWNAND (in most case at offset 0x4001, after both BOOT partition)
    - If signature is found, you’ve got your emuMMC partition : break, otherwise : continue to next iteration

    That's the way I implemented it in NxNandManager, and it seems to work fine ;-)
     
    Last edited by eliboa, Oct 15, 2019
    #15 Oct 15, 2019
  16. PatrickD85

    PatrickD85 GBAtemp Advanced Fan

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    in front of a screen...
    Nah no real harm was done here so it's all good :)

    But please keep in mind that a title can be misleading ... even though it was not intended that way. (We humans be a strange folk about how that all works really). And then things can spiral a bit out of control. If you can prevent that it's better than in most cases correcting / curing a situation afterwards.

    But as I mentioned you detailed the essence in the initial post itself very well :) so then a title is just that ... a title.
     
    #16 Oct 15, 2019
  17. Juancafr

    Juancafr Member

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    The emunand has been corrupted but I managed to make a backup before, now how do I restore it? Thank you
     
    #17 Nov 11, 2019
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