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Date:      Tue, 20 Feb 2018 21:32:36 +0000 (UTC)
From:      Kyle Evans <kevans@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r329673 - head/stand/lua
Message-ID:  <201802202132.w1KLWaYY088452@repo.freebsd.org>

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Author: kevans
Date: Tue Feb 20 21:32:36 2018
New Revision: 329673
URL: https://svnweb.freebsd.org/changeset/base/329673

Log:
  lualoader: Intercept boot cli command
  
  This should be functional and roughly equivalent to the Forth version.
  
  Stop doing a loadelf() on menu exit now that we can DTRT with boot
  invocations. autoboot interception will follow not long after.

Modified:
  head/stand/lua/core.lua
  head/stand/lua/menu.lua

Modified: head/stand/lua/core.lua
==============================================================================
--- head/stand/lua/core.lua	Tue Feb 20 21:27:17 2018	(r329672)
+++ head/stand/lua/core.lua	Tue Feb 20 21:32:36 2018	(r329673)
@@ -37,6 +37,38 @@ local compose_loader_cmd = function(cmd_name, argstr)
 	return cmd_name;
 end
 
+-- Parses arguments to boot and returns two values: kernel_name, argstr
+-- Defaults to nil and "" respectively.
+local parse_boot_args = function(argv)
+	if (#argv == 0) then
+		return nil, "";
+	end
+	local kernel_name;
+	local argstr = "";
+
+	for k, v in ipairs(argv) do
+		if (v:sub(1,1) ~= "-") then
+			kernel_name = v;
+		else
+			argstr = argstr .. " " .. v;
+		end
+	end
+	return kernel_name, argstr;
+end
+
+-- Globals
+function boot(...)
+	local argv = {...};
+	local cmd_name = "";
+	cmd_name, argv = core.popFrontTable(argv);
+	local kernel, argstr = parse_boot_args(argv);
+	if (kernel ~= nil) then
+		loader.perform("unload");
+		config.selectkernel(kernel);
+	end
+	core.boot(argstr);
+end
+
 -- Module exports
 -- Commonly appearing constants
 core.KEY_BACKSPACE	= 8;

Modified: head/stand/lua/menu.lua
==============================================================================
--- head/stand/lua/menu.lua	Tue Feb 20 21:27:17 2018	(r329672)
+++ head/stand/lua/menu.lua	Tue Feb 20 21:32:36 2018	(r329673)
@@ -390,7 +390,6 @@ function menu.run(m)
 	if (m == menu.welcome) then
 		screen.defcursor();
 		print("Exiting menu!");
-		config.loadelf();
 		return false;
 	end
 



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