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[openrisc] Custom Unit Compiler



Ok thanks I will have look at that source code.


I was also wondering what was the exact intended purpose of the


custom unit compiler in the architectural simulator. 


A brief introduction to its operation would help me greatly to 


further understand the code :-)




----- Original Message ----- 


From: "Damjan Lampret" <lampret@o... > 


To: <openrisc@o... > 


Date: Mon, 14 Apr 2003 10:24:21 -0700 


Subject: Re: Re: [openrisc] Custom Registers 




> 


> 


> I don't think there is any explicit documentation, but I think 


> or1ksim is 


> quite well written with a lot of comments so integration of custom 


> units 


> shouldn't be a big problem. Have a look at directory 


> or1ksim/cpu/or1k/ 


> 


> regards, 


> Damjan 


> 


> ----- Original Message ----- 


> From: <virtual_timoliver@l... > 


> To: <openrisc@o... > 


> Sent: Friday, April 11, 2003 10:24 PM 


> Subject: Re: Re: [openrisc] Custom Registers 


> 


> 


> > Hi, 


> > 


> > 


> > I am looking at using the OpenRISC as part of a reconfigurable 


> computing 


> > 


> > 


> > platform as part of my PhD. 


> > 


> > 


> > I am wondering if there is any information on how to develop 


> custom 


> > units and custom peripherals for inclusion into the simulator. 


> > 


> > 


> > 


> > 


> > regards, 


> > 


> > 


> > Tim Oliver 


> > 


> > 


> > 


> > 


> > > 


> > 


> > 


> > > 


> > 


> > 


> > > OR1200 custom units should go into SPR address space and 


> custom 


> > 


> > 


> > > peripherals (as part of the system-on-chip) should have 


> WISHBONE 


> > 


> > 


> > > bus and go into memory address space (accessed by 


> load/store 


> > 


> > 


> > > insns). 


> > 


> > 


> > > 


> > 


> > 


> > > regards, 


> > 


> > 


> > > Damjan 


> > 


> > 


> > > 


> > 


> > 


> 
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