BEHOLD THE EREPORTULATOR

Author: hawkw

Cargo.lock

@@ -92,6 +92,7 @@ leb128 = { version = "0.2.5", default-features = false }
 lpc55-pac = { version = "0.4", default-features = false }
 memchr = { version = "2.4", default-features = false }
 memoffset = { version = "0.6.5", default-features = false }
+minicbor = { version = "0.26.4", default-features = false }
 multimap = { version = "0.8.3", default-features = false }
 nb = { version = "1", default-features = false }
 num = { version = "0.4", default-features = false }

Cargo.toml

@@ -0,0 +1,17 @@
+name = "gimletlet-ereportlet"
+inherit = "app.toml"
+
+[tasks.jefe.config.allowed-callers]
+request_reset = ["hiffy"]
+
+[tasks.hiffy]
+features = ["h753", "stm32h7", "i2c", "gpio", "spi"]
+task-slots = ["sys", "i2c_driver", "user_leds"]
+
+[tasks.ereportulator]
+name = "task-ereportulator"
+priority = 8
+# start paused so that we can be triggered by humility
+start = false
+task-slots = ["packrat"]
+notifications = []

app/gimletlet/app-ereportlet.toml

@@ -0,0 +1,21 @@
+[package]
+name = "task-ereportulator"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+userlib = { path = "../../sys/userlib" }
+idol-runtime.workspace = true
+zerocopy.workspace = true
+zerocopy-derive.workspace = true
+task-packrat-api = { path = "../packrat-api" }
+minicbor.workspace = true
+
+[[bin]]
+name = "task-ereportulator"
+test = false
+doctest = false
+bench = false
+
+[lints]
+workspace = true

task/ereportulator/Cargo.toml

@@ -0,0 +1,58 @@
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at https://mozilla.org/MPL/2.0/.
+
+//!
+//! # BEHOLD THE EREPORTULATOR!
+//!
+//! stupid ereport demo task
+//!
+#![no_std]
+#![no_main]
+
+use task_packrat_api::Packrat;
+task_slot!(PACKRAT, packrat);
+
+use minicbor::Encoder;
+use userlib::{sys_recv_notification, task_slot, UnwrapLite};
+
+#[export_name = "main"]
+fn main() -> ! {
+    let packrat = Packrat::from(PACKRAT.get_task_id());
+
+    let mut buf = [0u8; 256];
+
+    let encoded_len = {
+        let c = minicbor::encode::write::Cursor::new(&mut buf[..]);
+        let mut encoder = Encoder::new(c);
+        encoder
+            .begin_map()
+            .unwrap_lite()
+            .str("k")
+            .unwrap_lite()
+            .str("TEST EREPORT PLS IGNORE")
+            .unwrap_lite()
+            .str("badness")
+            .unwrap_lite()
+            .u32(10000)
+            .unwrap_lite()
+            .str("msg")
+            .unwrap_lite()
+            .str("im dead")
+            .unwrap_lite()
+            .end()
+            .unwrap_lite();
+
+        encoder.into_writer().position()
+    };
+
+    packrat.deliver_ereport(&buf[..encoded_len]);
+
+    loop {
+        // now die!
+        sys_recv_notification(0);
+        // TODO(eliza): eventually it might be a lil nicer if we had an IPC
+        // interface for sending an ereport, so we could trigger this multiple
+        // times from humility...
+    }
+}

task/ereportulator/src/main.rs

@@ -22,7 +22,7 @@ static-cell = { path = "../../lib/static-cell" }
 task-packrat-api = { path = "../packrat-api" }
 userlib = { path = "../../sys/userlib", features = ["panic-messages"] }
 snitch-core = { version = "0.1.0", path = "../../lib/snitch-core", optional = true }
-minicbor = { version = "0.26.4", optional = true }
+minicbor = { workspace = true,  optional = true }
 
 [build-dependencies]
 anyhow.workspace = true