misc: Bring devcontainer and vscode in line with latest

Signed-off-by: Jason Lowe-Power <[email protected]>

Author: powerjg

.devcontainer/Dockerfile

@@ -1,21 +1,33 @@
 {
-    "build": {
-        "dockerfile": "Dockerfile"
+    "name": "gem5 Development Container",
+    "image": "ghcr.io/gem5/devcontainer:v24-1",
+    "hostRequirements": {
+        "cpus": 4,
+        "memory": "16gb",
+        "storage": "64gb"
+     },
+    "customizations": {
+        "vscode": {
+            "extensions": [
+                "ms-python.debugpy",
+                "ms-python.python",
+                "ms-python.vscode-pylance",
+                "ms-vscode.cpptools",
+                "ms-vscode.cpptools-extension-pack",
+                "ms-vscode.cpptools-themes",
+                "ms-vscode.makefile-tools",
+                "Tsinghua-Hexin-Joint-Institute.gem5-slicc",
+                "ms-python.black-formatter",
+                "DavidAnson.vscode-markdownlint"
+            ]
+        }
     },
-        "customizations": {
-            "vscode": {
-                "extensions": [
-                    "ms-vscode.cpptools",
-                    "streetsidesoftware.code-spell-checker",
-                    "eamodio.gitlens",
-                    "ms-python.vscode-pylance",
-                    "ms-python.python",
-                    "ms-toolsai.jupyter"
-                ]
-            }
-        },
-    "postCreateCommand": {
-        "python-deps": "pip install -r requirements.txt",
-        "fetch-gem5": "git submodule update --init"
-    }
-}
+    "features": {
+        "ghcr.io/devcontainers/features/docker-in-docker:2": {},
+        "ghcr.io/devcontainers/features/github-cli:1": {},
+        "ghcr.io/devcontainers-contrib/features/actionlint:1": {},
+        "ghcr.io/devcontainers-contrib/features/vscode-cli:1": {}
+    },
+    "onCreateCommand": "./.devcontainer/on_create.sh",
+    "postStartCommand": "./.devcontainer/post_start.sh"
+}

.devcontainer/devcontainer.json

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+# Update the submodules
+git submodule update --init --recursive
+
+# Setups the gem5 source directory
+pushd gem5
+
+## We cleanup git's 'blame' feature by ignoring certain commits (typically
+## commits that have reformatted files)
+git config --global blame.ignoreRevsFile .git-blame-ignore-revs
+
+./util/pre-commit-install.sh
+
+popd # gem5

.devcontainer/on_create.sh

@@ -0,0 +1 @@
+#!/bin/bash

.devcontainer/post_start.sh

@@ -0,0 +1,14 @@
+{
+    "python.analysis.extraPaths": [
+        "gem5/src/python"
+    ],
+    "editor.rulers": [
+        79
+    ],
+    "files.trimTrailingWhitespace": true,
+    "files.insertFinalNewline": true,
+    "markdownlint.config": {
+        "default": true,
+        "MD026": false
+    }
+}