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Add HPE support #450

Merged
merged 4 commits into from
Nov 21, 2024
Merged

Add HPE support #450

merged 4 commits into from
Nov 21, 2024

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hexaedron
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As discussed with Max and Cnlohr in Discord.

@hexaedron hexaedron marked this pull request as ready for review November 20, 2024 21:28
@hexaedron hexaedron marked this pull request as draft November 21, 2024 06:03
@hexaedron hexaedron marked this pull request as ready for review November 21, 2024 10:26
@cnlohr
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cnlohr commented Nov 21, 2024

If anyone else sees this and is curious the way this is used is here:

ch32v003fun/ch32v003fun/ch32v003fun.c

Lines 1012 to 1019 in 4e890dd

#if FUNCONF_ENABLE_HPE // Enabled nested and hardware (HPE) stack, since it's really good on the x035.
" li t0, 0x88\n\
csrs mstatus, t0\n"
" li t0, 0x0b\n\
csrw 0x804, t0\n"
#else
" li a0, 0x80\n\
csrw mstatus, a0\n"

@cnlohr cnlohr merged commit dfa4d25 into cnlohr:master Nov 21, 2024
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@hexaedron @cnlohr