From ab3110923ea77835493cc65c23b168ee4addf1df Mon Sep 17 00:00:00 2001
From: Able <abl3theabove@gmail.com>
Date: Wed, 23 Feb 2022 10:06:27 -0600
Subject: [PATCH] metadata and peek/poke

---
 ableos/src/rhai_shell/mod.rs               | 25 ++++++--
 userland/wasm_pk_data/Cargo.lock           | 75 ++++++++++++++++++++++
 userland/wasm_pk_data/Cargo.toml           | 17 +++++
 userland/wasm_pk_data/assets/metadata.toml |  3 +
 userland/wasm_pk_data/src/lib.rs           | 20 ++++++
 5 files changed, 135 insertions(+), 5 deletions(-)
 create mode 100644 userland/wasm_pk_data/Cargo.lock
 create mode 100644 userland/wasm_pk_data/Cargo.toml
 create mode 100644 userland/wasm_pk_data/assets/metadata.toml
 create mode 100644 userland/wasm_pk_data/src/lib.rs

diff --git a/ableos/src/rhai_shell/mod.rs b/ableos/src/rhai_shell/mod.rs
index b20fb02..8b88867 100644
--- a/ableos/src/rhai_shell/mod.rs
+++ b/ableos/src/rhai_shell/mod.rs
@@ -50,11 +50,13 @@ pub fn afetch() {
     disable();
     let tick_time = TICK.load(Relaxed);
 
-    println!("OS: AbleOS");
-    println!("Host: {}", kstate.hostname);
-    println!("Kernel: AKern-{}-v{}", RELEASE_TYPE, KERNEL_VERSION);
-    println!("Uptime: {}", tick_time);
-
+    println!(
+        "OS: AbleOS
+Host: {}
+Kernel: AKern-{}-v{}
+Uptime: {}",
+        kstate.hostname, RELEASE_TYPE, KERNEL_VERSION, tick_time
+    );
     enable();
     drop(kstate);
 }
@@ -77,5 +79,18 @@ fn engine_construction() -> Engine {
     engine.register_fn("afetch", afetch);
     engine.register_fn("set_hostname", set_hostname);
     engine.register_fn("shutdown", shutdown);
+    engine.register_fn("peek", peek_memory);
+    engine.register_fn("poke", poke_memory);
     engine
 }
+
+/// Examine a memory pointer
+pub fn peek_memory(ptr: i64) -> u8 {
+    let ptr: usize = ptr as usize;
+    unsafe { *(ptr as *const u8) }
+}
+
+pub fn poke_memory(ptr: i64, val: u8) {
+    let ptr: usize = ptr as usize;
+    unsafe { *(ptr as *mut u8) = val }
+}
diff --git a/userland/wasm_pk_data/Cargo.lock b/userland/wasm_pk_data/Cargo.lock
new file mode 100644
index 0000000..b44ca70
--- /dev/null
+++ b/userland/wasm_pk_data/Cargo.lock
@@ -0,0 +1,75 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "proc-macro2"
+version = "1.0.36"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c7342d5883fbccae1cc37a2353b09c87c9b0f3afd73f5fb9bba687a1f733b029"
+dependencies = [
+ "unicode-xid",
+]
+
+[[package]]
+name = "quote"
+version = "1.0.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "864d3e96a899863136fc6e99f3d7cae289dafe43bf2c5ac19b70df7210c0a145"
+dependencies = [
+ "proc-macro2",
+]
+
+[[package]]
+name = "serde"
+version = "1.0.136"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ce31e24b01e1e524df96f1c2fdd054405f8d7376249a5110886fb4b658484789"
+dependencies = [
+ "serde_derive",
+]
+
+[[package]]
+name = "serde_derive"
+version = "1.0.136"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "08597e7152fcd306f41838ed3e37be9eaeed2b61c42e2117266a554fab4662f9"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "syn"
+version = "1.0.86"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8a65b3f4ffa0092e9887669db0eae07941f023991ab58ea44da8fe8e2d511c6b"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-xid",
+]
+
+[[package]]
+name = "toml"
+version = "0.5.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a31142970826733df8241ef35dc040ef98c679ab14d7c3e54d827099b3acecaa"
+dependencies = [
+ "serde",
+]
+
+[[package]]
+name = "unicode-xid"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8ccb82d61f80a663efe1f787a51b16b5a51e3314d6ac365b08639f52387b33f3"
+
+[[package]]
+name = "wasm_pk_data"
+version = "0.1.0"
+dependencies = [
+ "serde",
+ "toml",
+]
diff --git a/userland/wasm_pk_data/Cargo.toml b/userland/wasm_pk_data/Cargo.toml
new file mode 100644
index 0000000..be39553
--- /dev/null
+++ b/userland/wasm_pk_data/Cargo.toml
@@ -0,0 +1,17 @@
+[package]
+name = "wasm_pk_data"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+toml = "0.5"
+
+
+
+
+
+[dependencies.serde]
+version = "1.0"
+features = ["derive"]
\ No newline at end of file
diff --git a/userland/wasm_pk_data/assets/metadata.toml b/userland/wasm_pk_data/assets/metadata.toml
new file mode 100644
index 0000000..b0d0eb1
--- /dev/null
+++ b/userland/wasm_pk_data/assets/metadata.toml
@@ -0,0 +1,3 @@
+name = "bruh"
+version = [1233, 123, 123]
+authors = ["John Doe", "Jane Doe"]
\ No newline at end of file
diff --git a/userland/wasm_pk_data/src/lib.rs b/userland/wasm_pk_data/src/lib.rs
new file mode 100644
index 0000000..42adb3a
--- /dev/null
+++ b/userland/wasm_pk_data/src/lib.rs
@@ -0,0 +1,20 @@
+#![no_std]
+extern crate alloc;
+use {
+    alloc::{string::String, vec::Vec},
+    serde::Deserialize,
+};
+
+#[derive(Debug, Deserialize)]
+pub struct Version {
+    pub major: u16,
+    pub minor: u8,
+    pub patch: u8,
+}
+
+#[derive(Debug, Deserialize)]
+pub struct MetaData {
+    pub name: String,
+    pub version: Version,
+    pub authors: Vec<String>,
+}