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Support usermode csr access.

image

  • Fix missing submodule (kendyte-standalone-sdk).
  • Support usermode csr access across usermode and machine mode.

TODO

  • Add multi-core support
  • move almost maixpy text area into virtual address for ram saving.
  • enable micropython by default (currently by changing in menuconfig)

- fix epc bug in the  function.
- update sbi_call function to support all needed machine register
- add usermode variable for accessing machine register.
- Add extra debug information for better disassembly
- Add -Wl,--no-relax to suppress compile error
@Zepan
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Zepan commented Jan 23, 2020

many sbi related define missing: error: 'SBI_GET_INSTRET' undeclared
how to solve it?

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2 participants