[PSPgo] Start eboot from ef0 and load something in ms0

[fLaSh]

Sup all;

I'm trying to create an PRX loader to load another PRX but in different stored.. like the title says..
I alredy tried it.. but the PSP crash when trying to access to MS (eboot from ef0)..

I think the problem is related to something with the method on how to access .. because the "original PSP only" supports an stored..

This method can be good to running plugins like mp3play, since the PSP can not read\write the stored in simultaneously (can result in crash).
Sorry for my poor English..

Any help?

Thanks

[m0skit0]

Post the relevant code.

[West-Li]

if you want to check if the load path is ms0:/ or ef0:/ use sceKernelGetModel();. If you dont use 0x1000 (kernel mode) you can use also kernel-user library (kuKernelGetModel();). Post here your source code. I dont understand what do you want.

[JJS]

I think the OP refers to the fact that you cannot access the "real" memory stick if your homebrew is started from the internal flash on a PSP Go. That is because "ms0" refers to the internal flash then (ms0 = ef0) for backward compatibility.

We had a discussion about this previously on here. Also I think PRO CFW patches this so that ef0 and ms0 always refer to the actual devices (a bit hazy on this though so I might be wrong).

[fLaSh]

Thanks for all replays!

@m0skit0
You can test it.. if you have a PSPgo and a M2 Card..
With the plugin mp3player_lite.prx.. in the mp3player.ini change the music dir to ms0:\MUSIC .. you can see, on xmb works in a game the PSP crash...

@JJS
Yeah, ill wait for news about it, thanks

[Coldbird]

This is normal...

And it's official Sony behaviour...

The state of ef0 outside of VSH / POPS runlevel is undefined! You should NEVER access ef0 unless your plugin runs in XMB or POPS.

VSH: ef0 = internal, ms0 = m2 micro
POPS: ef0 = internal, ms0 = m2 micro
GAME (ISO, UMD, EBOOT): ef0 = undefined (don't use it!), ms0 = start device or memory stick (if running a umd)

Summing up, you can only access one device in game mode.

[Yoti]

VSH: ef0 = internal, ms0 = m2 micro

So, homebrew with 0x800 attrib may get access to ef0 & ms0?

[fLaSh]

@Coldbird
humm.. with pmplayer-advance you can choise the source to play on a PSPgo (ef or ms)..

See http://code.google.com/p/pmplayer-advance
directory.c

Code: Select all

int open_directory(const char* dir, char* sdir, int show_hidden, int show_unknown, file_type_ext_struct* file_type_ext_table, directory_item_struct** list) {
   int item_count;
   if ( strncmp(dir,"ms0:", 4) == 0 )
      item_count = open_ms_directory(dir, sdir, show_hidden, show_unknown, file_type_ext_table, list);
   else if ( strncmp(dir,"ef0:", 4) == 0 )
      item_count = open_usb_net_directory(dir, sdir, show_unknown, show_unknown, file_type_ext_table, list);
   else if ( strncmp(dir,"usbhost0:", 9) == 0 || strncmp(dir,"nethost0:", 9) == 0)
      item_count = open_usb_net_directory(dir, sdir, show_unknown, show_unknown, file_type_ext_table, list);
   else {


I tried to understand, but my skills are not very good .. i'm older programmer but not in C/C++ .. i'm learning

Thanks

[RNB_PSP]

Maybe this might help: http://code.google.com/searchframe#KzJ- ... at.c&l=131