split config code into libconfig

src/Cargo.lock

@@ -236,6 +236,16 @@ dependencies = [
  "libboard_zynq",
 ]
 
+[[package]]
+name = "libconfig"
+version = "0.1.0"
+dependencies = [
+ "core_io",
+ "fatfs",
+ "libboard_zynq",
+ "log",
+]
+
 [[package]]
 name = "libcortex_a9"
 version = "0.0.0"
@@ -416,11 +426,11 @@ dependencies = [
  "dwarf",
  "dyld",
  "embedded-hal",
- "fatfs",
  "futures",
  "libasync",
  "libboard_zynq",
  "libc",
+ "libconfig",
  "libcortex_a9",
  "libm",
  "libregister",

src/Cargo.toml

@@ -2,6 +2,7 @@
 members = [
   "libc",
   "libdyld",
+  "libconfig",
   "libcoreio",
   "libdwarf",
   "libunwind",

src/libconfig/Cargo.toml

@@ -0,0 +1,15 @@
+[package]
+name = "libconfig"
+version = "0.1.0"
+authors = ["M-Labs"]
+edition = "2018"
+
+[dependencies]
+libboard_zynq = { git = "https://git.m-labs.hk/M-Labs/zynq-rs.git" }
+core_io = { version = "0.1", features = ["collections"] }
+fatfs = { version = "0.3", features = ["core_io"], default-features = false }
+log = "0.4"
+
+[features]
+ipv6 = []
+

src/libconfig/src/lib.rs

@@ -1,10 +1,15 @@
-use crate::sd_reader;
+#![no_std]
+extern crate alloc;
+
 use core::fmt;
 use alloc::{string::FromUtf8Error, string::String, vec::Vec};
 use core_io::{self as io, BufRead, BufReader, Read};
-
 use libboard_zynq::sdio;
 
+pub mod sd_reader;
+pub mod net_settings;
+pub mod load_pl;
+
 #[derive(Debug)]
 pub enum Error<'a> {
     SdError(sdio::sd_card::CardInitializationError),

src/libconfig/src/load_pl.rs

@@ -1,4 +1,4 @@
-use crate::sd_reader;
+use super::sd_reader;
 use core_io::{Error, Read, Seek, SeekFrom};
 use libboard_zynq::{devc, sdio};
 use log::{info, debug};

src/libconfig/src/net_settings.rs

@@ -1,8 +1,7 @@
 use core::fmt;
 
 use libboard_zynq::smoltcp::wire::{EthernetAddress, IpAddress};
-
-use crate::config;
+use super::Config;
 
 pub struct NetAddresses {
     pub hardware_addr: EthernetAddress,
@@ -23,7 +22,7 @@ impl fmt::Display for NetAddresses {
     }
 }
 
-pub fn get_adresses(cfg: &config::Config) -> NetAddresses {
+pub fn get_adresses(cfg: &Config) -> NetAddresses {
     let mut hardware_addr = EthernetAddress([0x02, 0x00, 0x00, 0x00, 0x00, 0x52]);
     let mut ipv4_addr = IpAddress::v4(192, 168, 1, 52);
     let mut ipv6_addr = None;

src/runtime/Cargo.toml

@@ -21,7 +21,6 @@ byteorder = { version = "1.3", default-features = false }
 void = { version = "1", default-features = false }
 futures = { version = "0.3", default-features = false, features = ["async-await"] }
 async-recursion = "0.3"
-fatfs = { version = "0.3", features = ["core_io"], default-features = false }
 log_buffer = { version = "1.2" }
 libm = { version = "0.2", features = ["unstable"] }
 vcell = "0.1"
@@ -36,3 +35,4 @@ dyld = { path = "../libdyld" }
 dwarf = { path = "../libdwarf" }
 unwind = { path = "../libunwind" }
 libc = { path = "../libc" }
+libconfig = { path = "../libconfig" }

src/runtime/src/comms.rs

@@ -20,9 +20,8 @@ use libboard_zynq::{
 use libcortex_a9::{semaphore::Semaphore, mutex::Mutex};
 use futures::{select_biased, future::FutureExt};
 use libasync::{smoltcp::{Sockets, TcpStream}, task};
+use libconfig::{Config, net_settings};
 
-use crate::config;
-use crate::net_settings;
 use crate::proto_async::*;
 use crate::kernel;
 use crate::rpc;
@@ -315,7 +314,7 @@ async fn handle_connection(stream: &TcpStream, control: Rc<RefCell<kernel::Contr
     }
 }
 
-pub fn main(timer: GlobalTimer, cfg: &config::Config) {
+pub fn main(timer: GlobalTimer, cfg: &Config) {
     let net_addresses = net_settings::get_adresses(cfg);
     info!("network addresses: {}", net_addresses);
 

src/runtime/src/main.rs

@@ -21,10 +21,8 @@ use libregister::RegisterW;
 use nb;
 use void::Void;
 use embedded_hal::blocking::delay::DelayMs;
+use libconfig::{Config, load_pl};
 
-mod sd_reader;
-mod config;
-mod net_settings;
 mod proto_core_io;
 mod proto_async;
 mod comms;
@@ -39,7 +37,6 @@ mod rtio;
 mod rtio;
 mod kernel;
 mod moninj;
-mod load_pl;
 mod eh_artiq;
 mod panic;
 mod logger;
@@ -99,7 +96,7 @@ fn identifier_read(buf: &mut [u8]) -> &str {
     }
 }
 
-fn init_rtio(timer: &mut GlobalTimer, cfg: &config::Config) {
+fn init_rtio(timer: &mut GlobalTimer, cfg: &Config) {
     let clock_sel =
         if let Ok(rtioclk) = cfg.read_str("rtioclk") {
             match rtioclk.as_ref() {
@@ -197,11 +194,11 @@ pub fn main_core0() {
     init_gateware();
     info!("detected gateware: {}", identifier_read(&mut [0; 64]));
 
-    let cfg = match config::Config::new() {
+    let cfg = match Config::new() {
         Ok(cfg) => cfg,
         Err(err) => {
             warn!("config initialization failed: {}", err);
-            config::Config::new_dummy()
+            Config::new_dummy()
         }
     };