rmsyn

icon indicating a website link https://liberapay.com/rmsyn

Results 94 comments of rmsyn

riscv: add CSR-defining macros

> Looks like Clippy nightly now complains about [this](https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html). Oh OK, I was wondering why some of the lint checks were failing in unrelated code. Makes sense now. > We...

riscv: add CSR-defining macros

> If we are OK with paste, we can further simplify some macros (e.g., set_clear_csr). But again, I'd leave these potential changes for another PR, this one looks big enough...

`riscv-rt`: example multicore.rs could cause HART to loop forever because of race condition

If one wanted to introduce a global `Mutex` or `Atomic` (for lock-free algorithms), you could probably assure mutually-exclusive access to the portions that write to the `IPI` address. However, as...

`riscv-rt`: example multicore.rs could cause HART to loop forever because of race condition

> While @MLFlexer is correct about a potential race condition, this is highly unlikely, as HART 0 will take a considerable amount of time until the RAM is initialized, jumps...