launch.json

{
  "version": "0.2.0",
  "configurations": [
    {
      "name": "Start and debug kernel in a VM",
      "type": "cppdbg",
      "request": "launch",
      "preLaunchTask": "Start virtual machine",
      "internalConsoleOptions": "neverOpen",

      "miDebuggerPath": "gdb-multiarch",
      "miDebuggerServerAddress": "localhost:1234",
      "setupCommands": [
        {
          "description": "Give some time for the VM to spin-up",
          "text": "-interpreter-exec console \"shell ${workspaceFolder}/.vscode/tasks.sh wait-for-vm\"",
          "ignoreFailures": false,
        },
        {
          "description": "Enable autoloading of Linux GDB scripts",
          "text": "add-auto-load-safe-path ${workspaceFolder}/scripts/gdb",
          "ignoreFailures": true,
        },
        {
          "description": "Format Locals as HEX by default",
          "text": "set output-radix 16",
          "ignoreFailures": true,
        },
      ],

      "cwd": "${workspaceFolder}",
      "program": "${workspaceFolder}/vmlinux",

      "hardwareBreakpoints": { "require": true },
    },
    {
      "name": "Start and debug kernel in a VM from early-boot",
      "type": "cppdbg",
      "request": "launch",
      "preLaunchTask": "Start virtual machine waiting for debugger",
      "internalConsoleOptions": "neverOpen",

      "miDebuggerPath": "gdb-multiarch",
      "miDebuggerServerAddress": "localhost:1234",
      "setupCommands": [
        {
          "description": "Give some time for the VM to spin-up",
          "text": "-interpreter-exec console \"shell ${workspaceFolder}/.vscode/tasks.sh wait-for-vm\"",
          "ignoreFailures": true
        },
        {
          "description": "Enable autoloading of Linux GDB scripts",
          "text": "add-auto-load-safe-path ${workspaceFolder}/scripts/gdb",
          "ignoreFailures": true,
        },
        {
          "description": "Format Locals as HEX by default",
          "text": "set output-radix 16",
          "ignoreFailures": true,
        },
      ],

      "cwd": "${workspaceFolder}",
      "program": "${workspaceFolder}/vmlinux",

      "hardwareBreakpoints": {
        "require": true,
      },
    },
    {
      "name": "Debug kernel in an already-running VM",
      "type": "cppdbg",
      "request": "launch",
      "internalConsoleOptions": "neverOpen",

      "miDebuggerPath": "gdb-multiarch",
      "miDebuggerServerAddress": "localhost:1234",
      "setupCommands": [
        {
          "description": "Wait for the VM to spin-up",
          "text": "-interpreter-exec console \"shell ${workspaceFolder}/.vscode/tasks.sh wait-for-vm\"",
          "ignoreFailures": false,
        },
        {
          "description": "Enable autoloading of Linux GDB scripts",
          "text": "add-auto-load-safe-path ${workspaceFolder}/scripts/gdb",
          "ignoreFailures": true,
        },
        {
          "description": "Format Locals as HEX by default",
          "text": "set output-radix 16",
          "ignoreFailures": true,
        },
      ],

      "cwd": "${workspaceFolder}",
      "program": "${workspaceFolder}/vmlinux",

      "hardwareBreakpoints": { "require": true },
    }
  ]
}