> Yeah, the closest to a "standard" we have for nios2 is that > I asked the Codesourcery folks to document it in the libgloss > sources and put the URL to it in a comment at the top of > nios2-semi.c, given that there's no official spec and the > original and main guest-side user is libgloss. > m68k is in a similar position only without the URL > in our source file :-)
Yeah, we had the same ask when getting risc-v semihosting merged. For that, I actually pushed through an "official" risc-v standard. I kinda wish I'd used the m68k model instead of the arm model as that provides simple POSIX semantics... https://github.com/riscv-software-src/riscv-semihosting/blob/main/riscv-semihosting-spec.adoc -- -keith
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