Author: kevans
Date: Sun Oct  7 15:28:50 2018
New Revision: 339222
URL: https://svnweb.freebsd.org/changeset/base/339222

Log:
  lualoader: Honor boot_* variables at lua init
  
  For non-UEFI systems, boot.config(5) may have -s or -v specified for
  single-user and verbose boot respectively. These were not being properly
  taken into account and reflected in the "Boot Options" submenu. When we
  initialize core.lua, we'll record boot_single and boot_verbose as we do ACPI
  and consider these the system defaults.
  
  Reported by:  David Wolfskill <da...@catwhisker.org>
  Approved by:  re (kib)

Modified:
  head/stand/lua/core.lua

Modified: head/stand/lua/core.lua
==============================================================================
--- head/stand/lua/core.lua     Sun Oct  7 15:13:47 2018        (r339221)
+++ head/stand/lua/core.lua     Sun Oct  7 15:28:50 2018        (r339222)
@@ -34,6 +34,10 @@ local hook = require("hook")
 
 local core = {}
 
+local default_safe_mode = false
+local default_single_user = false
+local default_verbose = false
+
 local function composeLoaderCmd(cmd_name, argstr)
        if argstr ~= nil then
                cmd_name = cmd_name .. " " .. argstr
@@ -41,6 +45,26 @@ local function composeLoaderCmd(cmd_name, argstr)
        return cmd_name
 end
 
+local function recordDefaults()
+       -- On i386, hint.acpi.0.rsdp will be set before we're loaded. On !i386,
+       -- it will generally be set upon execution of the kernel. Because of
+       -- this, we can't (or don't really want to) detect/disable ACPI on !i386
+       -- reliably. Just set it enabled if we detect it and leave well enough
+       -- alone if we don't.
+       local boot_acpi = core.isSystem386() and core.getACPIPresent(false)
+       local boot_single = loader.getenv("boot_single") or "no"
+       local boot_verbose = loader.getenv("boot_verbose") or "no"
+       default_single_user = boot_single:lower() ~= "no"
+       default_verbose = boot_verbose:lower() ~= "no"
+
+       if boot_acpi then
+               core.setACPI(true)
+       end
+       core.setSingleUser(default_single_user)
+       core.setVerbose(default_verbose)
+end
+
+
 -- Globals
 -- try_include will return the loaded module on success, or nil on failure.
 -- A message will also be printed on failure, with one exception: non-verbose
@@ -268,9 +292,9 @@ end
 
 function core.setDefaults()
        core.setACPI(core.getACPIPresent(true))
-       core.setSafeMode(false)
-       core.setSingleUser(false)
-       core.setVerbose(false)
+       core.setSafeMode(default_safe_mode)
+       core.setSingleUser(default_single_user)
+       core.setVerbose(default_verbose)
 end
 
 function core.autoboot(argstr)
@@ -367,13 +391,6 @@ function core.popFrontTable(tbl)
        return first_value, new_tbl
 end
 
--- On i386, hint.acpi.0.rsdp will be set before we're loaded. On !i386, it will
--- generally be set upon execution of the kernel. Because of this, we can't (or
--- don't really want to) detect/disable ACPI on !i386 reliably. Just set it
--- enabled if we detect it and leave well enough alone if we don't.
-if core.isSystem386() and core.getACPIPresent(false) then
-       core.setACPI(true)
-end
-
+recordDefaults()
 hook.register("config.reloaded", core.clearCachedKernels)
 return core
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