about `_hart_stack_size`

[xiaguangbo]

_hart_stack_size must <= 2043 or RAM LENGTH > 2K can build, why?

[janderholm]

Are you using the latest version from git? Otherwise it might be fixed by #296

[janderholm]

As a workaround, if you only have a single core, just set it to 0. It will be able to use the entire stack anyway.

[xiaguangbo]

@janderholm is version question.
use this is ok

riscv-rt = { git = "https://github.com/rust-embedded/riscv", features = ["single-hart", "memory"]}
riscv = { git = "https://github.com/rust-embedded/riscv", features = ["critical-section-single-hart"]}