tree a0d7925274a152abbf9eb17631a7af67892cd901
parent f0570dbe98f19a958649f0d2e40467611c673ea9
author Johnathan Van Why <jrvanwhy@google.com> 1611300552 -0800
committer Johnathan Van Why <jrvanwhy@google.com> 1611300552 -0800

Implement system calls on RISC-V in libtock_runtime.

This introduces `TockSyscalls`, which implements `libtock_platform::Syscalls` indirectly by directly implementing `libtock_platform::RawSyscalls`. I will implement ARM system calls in a future PR.