add a very small allocator

This commit is contained in:
Astro 2019-09-12 16:12:03 +02:00
parent 44f5a8338c
commit edb0401838
4 changed files with 84 additions and 2 deletions

32
firmware/Cargo.lock generated
View File

@ -13,6 +13,15 @@ dependencies = [
"as-slice 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "alloc-cortex-m"
version = "0.3.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"cortex-m 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
"linked_list_allocator 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "as-slice"
version = "0.1.0"
@ -50,6 +59,14 @@ name = "byteorder"
version = "1.3.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "cortex-m"
version = "0.1.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"volatile-register 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "cortex-m"
version = "0.5.10"
@ -128,6 +145,7 @@ dependencies = [
name = "ionpak-firmware"
version = "1.0.0"
dependencies = [
"alloc-cortex-m 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
"bare-metal 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
"bit_field 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
"byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
@ -158,6 +176,11 @@ name = "libm"
version = "0.1.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "linked_list_allocator"
version = "0.6.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "logos"
version = "0.9.7"
@ -326,6 +349,11 @@ name = "void"
version = "1.0.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "volatile-register"
version = "0.1.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "volatile-register"
version = "0.2.0"
@ -357,12 +385,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
[metadata]
"checksum aligned 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d39da9b88ae1a81c03c9c082b8db83f1d0e93914126041962af61034ab44c4a5"
"checksum aligned 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d3a316c7ea8e1e9ece54862c992def5a7ac14de9f5832b69d71760680efeeefa"
"checksum alloc-cortex-m 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "6d5f7d01bc93ce089de636f946f7f1fdc5e5d751732367e019c9755440e7aef4"
"checksum as-slice 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "293dac66b274fab06f95e7efb05ec439a6b70136081ea522d270bc351ae5bb27"
"checksum bare-metal 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)" = "5deb64efa5bd81e31fcd1938615a6d98c82eafcbcd787162b6f63b91d6bac5b3"
"checksum bit_field 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a165d606cf084741d4ac3a28fb6e9b1eb0bd31f6cd999098cfddb0b2ab381dc0"
"checksum bitflags 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3d155346769a6855b86399e9bc3814ab343cd3d62c7e985113d46a0ec3c281fd"
"checksum build_const 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "39092a32794787acd8525ee150305ff051b0aa6cc2abaf193924f5ab05425f39"
"checksum byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "a7c3dd8985a7111efc5c80b44e23ecdd8c007de8ade3b96595387e812b957cf5"
"checksum cortex-m 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "3df5de9a9829f2ccb7defa8945fa020c6614cd2f6ba9b5f33db9241dcc01985e"
"checksum cortex-m 0.5.10 (registry+https://github.com/rust-lang/crates.io-index)" = "3c0b159a1e8306949579de3698c841dba58058197b65c60807194e4fa1e7a554"
"checksum cortex-m 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)" = "145da2fc379bbd378ed425e75e1748214add9bbd800d4d5b77abb54ca423dbca"
"checksum cortex-m-rt 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)" = "17805910e3ecf029bdbfcc42b7384d9e3d9e5626153fa810002c1ef9839338ac"
@ -373,6 +403,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
"checksum generic-array 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)" = "c68f0274ae0e023facc3c97b2e00f076be70e254bc851d972503b328db79b2ec"
"checksum kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7507624b29483431c0ba2d82aece8ca6cdba9382bff4ddd0f7490560c056098d"
"checksum libm 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "7fc7aa29613bd6a620df431842069224d8bc9011086b1db4c0e0cd47fa03ec9a"
"checksum linked_list_allocator 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)" = "47314ec1d29aa869ee7cb5a5be57be9b1055c56567d59c3fb6689926743e0bea"
"checksum logos 0.9.7 (registry+https://github.com/rust-lang/crates.io-index)" = "f494e22d293fa05db60b3fd95fb30e9409feb5672b56ce6f250f99d9fbae6b93"
"checksum logos-derive 0.9.7 (registry+https://github.com/rust-lang/crates.io-index)" = "13ff1b1068db09ee21d12baf55eccc0900a781a735273e0a606f6f4fbb32a322"
"checksum managed 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "43e2737ecabe4ae36a68061398bf27d2bfd0763f4c3c837a398478459494c4b7"
@ -397,6 +428,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
"checksum utf8-ranges 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "b4ae116fef2b7fea257ed6440d3cfcff7f190865f170cdad00bb6465bf18ecba"
"checksum vcell 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "876e32dcadfe563a4289e994f7cb391197f362b6315dc45e8ba4aa6f564a4b3c"
"checksum void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
"checksum volatile-register 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "a470889aa8f2d3ad893bd43cd90c824e63e8ac0ee5fe64c5d81a932d184fd549"
"checksum volatile-register 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0d67cb4616d99b940db1d6bd28844ff97108b498a6ca850e5b6191a532063286"
"checksum walkdir 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)" = "bb08f9e670fab86099470b97cd2b252d6527f0b3cc1401acdb595ffc9dd288ff"
"checksum winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "167dc9d6949a9b857f3451275e911c3f44255842c1f7a76f33c55103a909087a"

View File

@ -20,6 +20,7 @@ byteorder = { version = "1.3", default-features = false }
bit_field = "0.10"
bare-metal = "0.2"
logos = { version = "~0.9", default-features = false, features = ["export_derive"] }
alloc-cortex-m = "0.3"
[dependencies.smoltcp]
git = "https://github.com/m-labs/smoltcp"

View File

@ -24,6 +24,10 @@ enum Token {
Once,
#[token = "continuous"]
Continuous,
#[token = "enable"]
Enable,
#[token = "disable"]
Disable,
#[regex = "[0-9]+"]
Number,
@ -34,6 +38,7 @@ pub enum Error {
Parser,
UnexpectedEnd,
UnexpectedToken(Token),
NoSuchChannel,
}
#[derive(Debug)]
@ -41,14 +46,24 @@ pub enum ShowCommand {
ReportMode,
}
#[derive(Debug)]
pub enum ChannelCommand {
Enable,
Disable,
}
#[derive(Debug)]
pub enum Command {
Quit,
Show(ShowCommand),
Report(ReportMode),
Channel(u8, ChannelCommand),
}
const CHANNEL_IDS: &'static [&'static str] = &[
"0", "1", "2", "3",
];
impl Command {
pub fn parse(input: &str) -> Result<Self, Error> {
@ -80,6 +95,27 @@ impl Command {
],
End => Ok(Command::Report(ReportMode::Once)),
],
Channel => choice![
Number => {
let channel = CHANNEL_IDS.iter()
.position(|id| *id == lexer.slice());
match channel {
Some(channel) => {
choice![
Enable => Ok(Command::Channel(
channel as u8,
ChannelCommand::Enable
)),
Disable => Ok(Command::Channel(
channel as u8,
ChannelCommand::Enable
)),
]
}
None => Err(Error::NoSuchChannel)
}
},
],
]
}
}

View File

@ -1,14 +1,17 @@
#![feature(const_fn)]
#![feature(alloc_error_handler)]
#![no_std]
#![no_main]
use cortex_m_rt::entry;
extern crate alloc;
use cortex_m_rt::{entry, heap_start};
use core::fmt::{self, Write};
use smoltcp::time::Instant;
use smoltcp::wire::{IpCidr, IpAddress, EthernetAddress};
use smoltcp::iface::{NeighborCache, EthernetInterfaceBuilder};
use smoltcp::socket::{SocketSet, TcpSocket, TcpSocketBuffer};
use cortex_m_semihosting::hio;
use alloc_cortex_m::CortexMHeap;
#[macro_export]
macro_rules! print {
@ -31,6 +34,15 @@ pub fn panic_fmt(info: &core::panic::PanicInfo) -> ! {
loop {}
}
#[global_allocator]
static ALLOCATOR: CortexMHeap = CortexMHeap::empty();
const HEAP_SIZE: usize = 8192;
#[alloc_error_handler]
fn alloc_error_handler(layout: alloc::alloc::Layout) -> ! {
panic!("Allocation error for: {:?}", layout)
}
mod board;
use self::board::{gpio::Gpio, systick::get_time};
mod ethmac;
@ -79,6 +91,7 @@ fn main() -> ! {
writeln!(stdout, "ionpak boot").unwrap();
board::init();
writeln!(stdout, "board initialized").unwrap();
unsafe { ALLOCATOR.init(heap_start() as usize, HEAP_SIZE) };
println!(r#"
_ _