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Question: ITIM (hifive1-revb / red-v) #12

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U2654 opened this issue Mar 5, 2021 · 3 comments
Open

Question: ITIM (hifive1-revb / red-v) #12

U2654 opened this issue Mar 5, 2021 · 3 comments

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@U2654
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U2654 commented Mar 5, 2021

I have been working on a redv-vp, similar to hifive1-revb, with a fe310-g002. It has a ITIM and, thus, a third memory block which ist not intended by your SyscallHandler. Any suggestions? Or just leave it...
@Cirromulus
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My suggestion would be adding a fe310-g002 target with an ITIM.

@U2654
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U2654 commented Mar 5, 2021

Ok. Actually, I have a running vp in src/platform/redv. Where would you recommend to place the SyscallHandler changes? A new file in src/core/rv32 or changing syscall.h?

@Cirromulus
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Sorry, overlooked your answer.
As the ITIM is just some memory, I would add a "simple memory" block in the main file, and connect it to the system bus according to the memory map. If your .elf contains a section for it, you would additionally add a elf-file-loader line in the main file.

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@Cirromulus @U2654