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Raizor
Joined: 18 Jan 2004
Posts: 60
Location: out there
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 Posted: Wed Feb 25, 2004 7:49 am Post subject: LoadExecPS2 and ExecPS2 |
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Does anyone know if LoadExecPS2 calls ExecPS2 after loading the elf file? or is it a totally seperate entity? I've been hunting around for info but came up with nothing so far.
Thanks in advance,
Raizor |
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mrbrown
Joined: 17 Jan 2004
Posts: 1536
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| Posted: Wed Feb 25, 2004 10:56 am Post subject: |
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Yes, it does. LoadExecPS2() actually invokes another program, called EELOAD, which is copied from the BIOS to 0x82000 and executed. EELOAD takes over at step 1 below.
LoadExecPS2():
0. Wipe all EE RAM above 0x80000 and do a "full" EE peripheral reset.
1. Reset IOP with image specified as an argument, or default rom0:EELOADCNF.
2. Parse other args that I don't particularly remember off the top of my head :). These args specify extra modules to preload, whether or not the modules or executable uses MagicGate, etc.
3. sceSifLoadElf() on the file.
4. ExecPS2() the loaded image.
ExecPS2():
0. Do a soft EE peripheral reset.
1. Terminate all threads and delete all semaphores.
2. Setup the program's thread and execute the program. |
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Raizor
Joined: 18 Jan 2004
Posts: 60
Location: out there
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| Posted: Fri Feb 27, 2004 6:50 pm Post subject: |
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MrBrown, Thank you for this detailed info. I really appreciate it.
Raizor |
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