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I love the minimal no-nonsense approach of this project (which I found when looking for a Risc-V assembler FORTH and finding Derzforth) and it seems a great fit for embedded development on small Risc-V microcontrollers. There are now some interesting, and very low cost, Risc-V chips and development boards available which use the RV32EC configuration (rather than the fuller RV32IMAC) such as the CH32V003 "ten cent" chip which has caught a lot of media attention. I would love to be able to use bronzebeard to develop software for these as well as the more expensive Longan and SiFive boards which you support.
Would you consider adding RV32EC support in bronzebeard?
The text was updated successfully, but these errors were encountered:
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Support for RV32E (embedded) configuration and ?
Support for RV32EC (embedded) configuration?
Jun 13, 2023
First off, thanks for considering bronzebeard and bringing this up! I haven't looked into RV32E until today and it looks like it differs from RV32I in that it supports only 16 registers instead of the usual 32. The instruction set and other details are unchanged.
So, I'd assume that bronzebeard would already support these chips in the sense that the user would be responsible for only using valid registers (x0-x15). However, it could be useful to add a flag that enforces this constraint and throws an error if an invalid register is used.
Similarly, such a feature could probably be applied to other scenarios: (using mul on a chip without M support, etc).
I love the minimal no-nonsense approach of this project (which I found when looking for a Risc-V assembler FORTH and finding Derzforth) and it seems a great fit for embedded development on small Risc-V microcontrollers. There are now some interesting, and very low cost, Risc-V chips and development boards available which use the RV32EC configuration (rather than the fuller RV32IMAC) such as the CH32V003 "ten cent" chip which has caught a lot of media attention. I would love to be able to use bronzebeard to develop software for these as well as the more expensive Longan and SiFive boards which you support.
Would you consider adding RV32EC support in bronzebeard?
The text was updated successfully, but these errors were encountered: