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Torch
Joined: 28 May 2008
Posts: 842
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 Posted: Sun Jun 01, 2008 2:27 am Post subject: How to crash the PSP, so watchdog restarts after 10 seconds? |
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| How do I crash the PSP such that it autorestarts after 10 seconds or whatever? |
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moonlight
Joined: 26 Oct 2005
Posts: 567
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| Posted: Sun Jun 01, 2008 2:46 am Post subject: |
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lol there are tons of ways.
asm("break\n");
_sw(0, 0);
int *x = NULL; *x = 0;
etc, etc |
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Torch
Joined: 28 May 2008
Posts: 842
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| Posted: Sun Jun 01, 2008 2:49 am Post subject: |
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Thank you. I didn't have any idea how. And I presumed that nonsense in asm(..) would give a compiler error.
The rest of my program will function properly right? I want it to crash only when I call that code. |
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TyRaNiD
Joined: 18 Jan 2004
Posts: 918
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| Posted: Sun Jun 01, 2008 6:02 pm Post subject: |
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| The real question is why on earth would you want to? :) |
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Torch
Joined: 28 May 2008
Posts: 842
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| Posted: Sun Jun 01, 2008 6:12 pm Post subject: |
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| TyRaNiD wrote: | | The real question is why on earth would you want to? :) |
So people will get tired of guessing passwords.. |
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TyRaNiD
Joined: 18 Jan 2004
Posts: 918
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| Posted: Sun Jun 01, 2008 6:16 pm Post subject: |
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| Can't you just do it nice and call scePowerRequestStandby() which will shut down the PSP without any extra cludges :) |
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Torch
Joined: 28 May 2008
Posts: 842
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| Posted: Sun Jun 01, 2008 6:18 pm Post subject: |
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| TyRaNiD wrote: | | Can't you just do it nice and call scePowerRequestStandby() which will shut down the PSP without any extra cludges :) |
But this way they have to stare at the "wrong password" screen for 10 seconds. Its more the annoyance factor. |
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TyRaNiD
Joined: 18 Jan 2004
Posts: 918
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| Posted: Sun Jun 01, 2008 6:23 pm Post subject: |
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| Code: | | sceKernelDelayThread(10000000); scePowerRequestStandby(); |
does the same thing :P |
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Torch
Joined: 28 May 2008
Posts: 842
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| Posted: Sun Jun 01, 2008 6:25 pm Post subject: |
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| TyRaNiD wrote: | | Code: | | sceKernelDelayThread(10000000); scePowerRequestStandby(); |
does the same thing :P |
But they can switch it off in 3 seconds using the power switch if its only DelayThread. Crash cant be turned off in less than 10 seconds. |
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TyRaNiD
Joined: 18 Jan 2004
Posts: 918
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| Posted: Sun Jun 01, 2008 6:27 pm Post subject: |
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Fine,
| Code: | | scePowerLock(0); sceKernelDelayThread(10000000); scePowerUnlock(0); scePowerRequestStandby(); |
After all I could probably get an exception handler in somewhere to prevent you crashing it in the first place :P |
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Torch
Joined: 28 May 2008
Posts: 842
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| Posted: Sun Jun 01, 2008 6:31 pm Post subject: |
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| I though those were kernel mode only functions? Will the powerlock thing be usable in my vsh mode module? |
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TyRaNiD
Joined: 18 Jan 2004
Posts: 918
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| Posted: Sun Jun 01, 2008 6:33 pm Post subject: |
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| They are all user mode functions. At least they should be :) The lock stuff is so for example a game could write out a file and be sure the user cannot possibly power off during that period. |
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Jim
Joined: 02 Jul 2005
Posts: 487
Location: Sydney
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J.F.
Joined: 22 Feb 2004
Posts: 2906
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| Posted: Mon Jun 02, 2008 1:33 am Post subject: |
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| TyRaNiD wrote: | | They are all user mode functions. At least they should be :) The lock stuff is so for example a game could write out a file and be sure the user cannot possibly power off during that period. |
When I was working on SNES9xTYL for the Slim, I found that the exception handler couldn't be used on the Slim. Sakya (I think it was him) eventually made a kernel mode prx that could be loaded from user mode that allowed an exception handler to be used from a Slim app. You can find that with a search. |
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