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tsipahi
Joined: 08 Jul 2006
Posts: 4
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 21 Jun 2007 23:31 vxWorks help |
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| How can I execute a code written at a certain ROM adress? Is there a command like "go"? If there is one how is its format.
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SmartBomb1979
Joined: 09 Apr 2006
Posts: 41
Helped: 5
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| 23 Jun 2007 3:46 Re: vxWorks help |
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Just set the program counter to the correct address and begin executing. If you're using a monitor package it will depend on the monitor syntax.
I'd contact Wind River if I were you, that's what you (or your company) is paying for -- put them to work!!
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saubhik
Joined: 27 Apr 2007
Posts: 108
Helped: 3
Location: Mumbai
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| 29 Apr 2008 11:14 Re: vxWorks help |
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If you want to read from the ROM then most of all your execution will be much more slower with respect to RAM or NVRAM read . But if you still want to read it from ROM then u can do it in two ways ,
1. you can copy the file from ROM to RAM using file pointer and read it from RAM copy , it will be simple file reading .
2. Else , use the file pointer to read from ROM but for that you have to give a good look to your kernel facilities and read enabled administrator priviledge is there or not .
For second question , the answer is yes , "go" statement is available there with label facility but it is very uncomfortable because you have to take a good care for the routine of program counter .
I think the problems are solved .
ok ..... take care and Good Bye .....
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SmartBomb1979
Joined: 09 Apr 2006
Posts: 41
Helped: 5
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| 29 Apr 2008 20:23 Re: vxWorks help |
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| One other thing -- if you're talking about embedded code you can just cast a function pointer to a specific ROM address and de-reference (call) it.
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ckshivaram
Joined: 21 Apr 2008
Posts: 316
Helped: 22
Location: korea
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| 13 May 2008 10:22 vxWorks help |
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| Definitely you can do it
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