forked from M-Labs/artiq-zynq
szl: reduced binary size.
* Compiled unlzma with -Oz and enable LTO. * Changed one unwrap to manual handling to remove fmt code. * Implemented custom panic handler with minimal code.
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@ -13,7 +13,7 @@ default = ["target_zc706"]
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log = "0.4"
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cstr_core = { version = "0.2", default-features = false }
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libboard_zynq = { git = "https://git.m-labs.hk/M-Labs/zynq-rs.git" }
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libsupport_zynq = { git = "https://git.m-labs.hk/M-Labs/zynq-rs.git" }
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libsupport_zynq = { git = "https://git.m-labs.hk/M-Labs/zynq-rs.git", default-features = false, features = ["dummy_irq_handler"] }
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libcortex_a9 = { git = "https://git.m-labs.hk/M-Labs/zynq-rs.git" }
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[build-dependencies]
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@ -32,7 +32,8 @@ pub fn compile_unlzma() {
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cfg.flag("-fPIC");
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cfg.flag("-fno-stack-protector");
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cfg.flag("--target=armv7-none-eabihf");
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cfg.flag("-Os");
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cfg.flag("-Oz");
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cfg.flag("-flto=full");
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let sources = vec![
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"unlzma.c",
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@ -1,5 +1,6 @@
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#![no_std]
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#![no_main]
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#![feature(panic_info_message)]
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extern crate log;
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@ -15,6 +16,7 @@ use libcortex_a9::{
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use libboard_zynq::{
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self as zynq, println,
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clocks::Clocks, clocks::source::{ClockSource, ArmPll, IoPll},
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stdio,
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logger,
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timer::GlobalTimer,
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};
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@ -28,7 +30,17 @@ extern "C" {
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}
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extern fn lzma_error(message: *const u8) {
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error!("LZMA error: {}", unsafe { CStr::from_ptr(message) }.to_str().unwrap());
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let msg = unsafe {CStr::from_ptr(message)}.to_str();
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if let Ok(msg) = msg {
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println!("LZMA error: {}", msg);
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}
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}
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#[panic_handler]
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fn panic(_: &core::panic::PanicInfo) -> ! {
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stdio::drop_uart();
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println!("panicked!");
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loop {}
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}
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#[no_mangle]
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