From 090fea1aa325ea4fa25a89fd2c4af1afddba3fea Mon Sep 17 00:00:00 2001
From: Kosmas Raptis <keeperkosmas6@gmail.com>
Date: Mon, 27 Sep 2021 19:48:41 +0300
Subject: [PATCH] samples: Primitive Rust sample

---
 samples/rust/Cargo.toml  | 15 +++++++++++++++
 samples/rust/Cross.toml  |  2 ++
 samples/rust/Makefile    | 26 ++++++++++++++++++++++++++
 samples/rust/src/main.rs | 28 ++++++++++++++++++++++++++++
 4 files changed, 71 insertions(+)
 create mode 100644 samples/rust/Cargo.toml
 create mode 100644 samples/rust/Cross.toml
 create mode 100644 samples/rust/Makefile
 create mode 100644 samples/rust/src/main.rs

diff --git a/samples/rust/Cargo.toml b/samples/rust/Cargo.toml
new file mode 100644
index 000000000..108a1af92
--- /dev/null
+++ b/samples/rust/Cargo.toml
@@ -0,0 +1,15 @@
+[package]
+name = "xboxrusttest"
+version = "0.1.0"
+authors = ["Kosmas Raptis <keeperkosmas6@gmail.com>"]
+edition = "2018"
+
+[profile.dev]
+panic = "abort"
+
+[profile.release]
+panic = "abort"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
diff --git a/samples/rust/Cross.toml b/samples/rust/Cross.toml
new file mode 100644
index 000000000..dc00dde9f
--- /dev/null
+++ b/samples/rust/Cross.toml
@@ -0,0 +1,2 @@
+[target.i686-pc-windows-gnu]
+image = "rustembedded/cross:i686-pc-windows-gnu"
diff --git a/samples/rust/Makefile b/samples/rust/Makefile
new file mode 100644
index 000000000..25db45713
--- /dev/null
+++ b/samples/rust/Makefile
@@ -0,0 +1,26 @@
+PROJECT_NAME = xboxrusttest
+XISO_NAME = rusttest
+XBE_TITLE = rusttest
+NXDK_DIR = /home/$(USER)/rust_nxdk
+OUTPUT_DIR = bin
+RUSTFLAGS := --target i686-pc-windows-gnu
+
+CXBE = $(NXDK_DIR)/tools/cxbe/cxbe
+XISO = $(NXDK_DIR)/tools/extract-xiso/build/extract-xiso
+
+EXEC_DIR = target/i686-pc-windows-gnu/release
+
+ifeq ($(DEBUG),y)
+    EXEC_DIR = target/i686-pc-windows-gnu/debug
+else
+    RUSTFLAGS += --release
+endif
+
+all:
+	@mkdir -p $(OUTPUT_DIR)
+	@cross build $(RUSTFLAGS)
+	@cp $(EXEC_DIR)/$(PROJECT_NAME).exe ./main.exe
+	$(CXBE) -OUT:default.xbe -TITLE:$(XBE_TITLE) ./main.exe
+	@mv default.xbe $(OUTPUT_DIR)
+	$(XISO) -c $(OUTPUT_DIR) $(XISO_NAME).iso
+
diff --git a/samples/rust/src/main.rs b/samples/rust/src/main.rs
new file mode 100644
index 000000000..f42441644
--- /dev/null
+++ b/samples/rust/src/main.rs
@@ -0,0 +1,28 @@
+#![no_main]
+#![no_std]
+
+use core::panic::PanicInfo;
+
+#[panic_handler]
+fn panic(_info: &PanicInfo) -> ! {
+    loop {}
+}
+
+pub fn hello() -> i32 {
+    12345678
+}
+
+#[no_mangle]
+fn main() {
+    hello();
+}
+
+#[no_mangle]
+pub extern "C" fn _start() -> ! {
+    main();
+    loop {}
+}
+
+#[no_mangle] pub extern fn rust_eh_register_frames () {}
+#[no_mangle] pub extern fn rust_eh_unregister_frames () {}
+