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//! This test runs a basic application for thumb targets, using the cortex-m crate. | ||
//! | ||
//! These targets are very bare-metal: the first instruction the core runs on | ||
//! power-on is already user code. The cortex-m-rt has to initialize the stack, .data, | ||
//! .bss, enable the FPU if present, etc. | ||
//! | ||
//! This test builds and runs the applications for various thumb targets using qemu. | ||
//! | ||
//! How to run this | ||
//! $ ./x.py clean | ||
//! $ ./x.py test --target thumbv6m-none-eabi,thumbv7m-none-eabi tests/run-make | ||
//! | ||
//! For supported targets, see `example/.cargo/config` | ||
//! For supported targets, see `example/.cargo/config.toml` | ||
//! | ||
//! FIXME: https://github.com/rust-lang/rust/issues/128733 this test uses external | ||
//! dependencies, and needs an active internet connection | ||
//! | ||
//! FIXME: https://github.com/rust-lang/rust/issues/128734 extract bootstrap cargo | ||
//! to a proper command | ||
//@ only-thumb | ||
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use std::path::PathBuf; | ||
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use run_make_support::{cmd, env_var}; | ||
use run_make_support::{cmd, env_var, path_helpers, target}; | ||
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const CRATE: &str = "example"; | ||
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fn main() { | ||
std::env::set_current_dir(CRATE).unwrap(); | ||
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let target = env_var("TARGET"); | ||
let bootstrap_cargo = env_var("BOOTSTRAP_CARGO"); | ||
let path = env_var("PATH"); | ||
let rustc = env_var("RUSTC"); | ||
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let target_dir = PathBuf::from("target"); | ||
let manifest_path = PathBuf::from("Cargo.toml"); | ||
let target_dir = path_helpers::path("target"); | ||
let manifest_path = path_helpers::path("Cargo.toml"); | ||
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let debug = { | ||
let mut cmd = cmd(&bootstrap_cargo); | ||
cmd.args(&["run", "--target", &target]) | ||
cmd.args(&["run", "--target", &target()]) | ||
.env("RUSTFLAGS", "-C linker=arm-none-eabi-ld -C link-arg=-Tlink.x") | ||
.env("CARGO_TARGET_DIR", &target_dir) | ||
.env("PATH", &path) | ||
.env("RUSTC", &rustc); | ||
cmd.run() | ||
}; | ||
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let stdout = debug.stdout_utf8(); | ||
assert!(stdout.contains("x = 42"), "stdout: {:?}", stdout); | ||
debug.assert_stdout_contains("x = 42"); | ||
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let release = { | ||
let mut cmd = cmd(&bootstrap_cargo); | ||
cmd.args(&["run", "--release", "--target", &target]) | ||
cmd.args(&["run", "--release", "--target", &target()]) | ||
.env("RUSTFLAGS", "-C linker=arm-none-eabi-ld -C link-arg=-Tlink.x") | ||
.env("CARGO_TARGET_DIR", &target_dir) | ||
.env("PATH", &path) | ||
.env("RUSTC", &rustc); | ||
cmd.run() | ||
}; | ||
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let stdout = release.stdout_utf8(); | ||
assert!(stdout.contains("x = 42"), "stdout: {:?}", stdout); | ||
release.assert_stdout_contains("x = 42"); | ||
} |