From 4787f88fb3861e750bd0927ee7873905d2f829ca Mon Sep 17 00:00:00 2001
From: Ralph Ronnquist <rrq@rrq.au>
Date: Wed, 8 Nov 2023 18:12:59 +1100
Subject: [PATCH] some more testing

---
 muffin.lua          | 70 +++++++++++++++++++++++++++++++++++++++++----
 syslinux-legacy.cfg |  9 ++++--
 syslinux-uefi.cfg   | 11 +++----
 3 files changed, 76 insertions(+), 14 deletions(-)

diff --git a/muffin.lua b/muffin.lua
index ed79f3a..23ad342 100644
--- a/muffin.lua
+++ b/muffin.lua
@@ -1,16 +1,74 @@
 local sl = require "syslinux"
 local vesa = require "vesa"
+local dmi = require "dmi"
+local pci = require "pci"
 
-vesa.setmode()
-vesa.load_background "sample2.jpg"
+vesa.setmode("800x600")
+--vesa.load_background "sample2.jpg"
 
 for c in string.gmatch ("Hello World! - VESA mode", ".") do
     io.write (c)
-    sl.msleep(200)
+    sl.msleep(10)
 end
 
--- vesa.load_background "PXE-RRZE_small.jpg"
-sl.sleep(3)
+io.write("\n")
+
+
+-- cmdline(ix) = concatenates the command line arguments from
+-- the index ix and up, with space separation
+function cmdline(ix)
+   local line = ""
+   while arg[ix] do
+      line = line .. " " .. arg[ix]
+      ix = ix + 1
+   end
+   return string.sub(line,2) -- drop the initial space
+end
+
+-- dumptable(tbl) = print table entries
+function dumptable(name, tbl,vtype)
+   print("== begin "..name)
+   if tbl then
+      for k,v in pairs(tbl) do
+	 if vtype == nill or type(v) == vtype then
+	    print(k,v)
+	 end
+      end
+   else
+      print(nil)
+   end
+   print( "== end " .. name )
+   return nil
+end
+
+-- dump_G(k) = print the value of _G[k]
+function dump_G(k)
+   dumptable(k,_G[k],nil)
+   return nil
+end
+
+--[[
+dumptable("tables",_G,"table")
+dumptable("package.loaded",_G["package"]["loaded"], nil)
+dumptable("pci.getidlist",pci.getidlist("/pci.ids"), nil)
+]]
+
+-- [[
+dmitable = dmi.gettable()
+dumptable("dmitable",dmitable,nil)
+--dumptable("dmitable.dmi_info",dmitable["dmi_info"],nil)
+--]]
+
+-- [[
+-- dumptable("dmitable.system",dmitable.system,nil)
+-- dumptable("dmitable.bios",dmitable.bios,nil)
+--dumptable("dmitable.chassis",dmitable.chassis,nil)
+--]]
+
+print(arg[1].." "..cmdline(2))
+x = sl.get_key(600000)
+
+sl.boot_linux(arg[1],cmdline(2))
 
 -- Return to vesamenu
-sl.run_command("vesamenu.")
+sl.run_command("vesamenu")
diff --git a/syslinux-legacy.cfg b/syslinux-legacy.cfg
index dc141fc..7b591f1 100644
--- a/syslinux-legacy.cfg
+++ b/syslinux-legacy.cfg
@@ -2,7 +2,8 @@ menu title Tiniest ISO (legacy)
 path /boot/syslinux/bios
 # Note that the path is on the EFI/FAT partition
 
-default vesamenu.c32
+#default vesamenu.c32
+default luatest
 
 menu margin 0
 menu rows 7
@@ -17,5 +18,7 @@ label linux
     kernel vmlinuz
     sysappend 0x78074
     append initrd=initrd.gz init=/init root=/dev/sda1
-path /boot/syslinux/bios
-include /bootmenu.cfg
+
+label luatest
+    kernel lua.c32
+    append -i -- EFI/BOOT/muffin.lua /vmlinuz initrd=/initrd.gz init=/init root=/dev/ram0
diff --git a/syslinux-uefi.cfg b/syslinux-uefi.cfg
index a54df20..94a5bdb 100644
--- a/syslinux-uefi.cfg
+++ b/syslinux-uefi.cfg
@@ -2,7 +2,7 @@ menu title Tiniest ISO (uefi boot)
 path /EFI/BOOT/efi64
 # Note that the path is on the EFI/FAT partition
 
-default vesamenu.c32
+default luatest
 
 menu margin 0
 menu rows 7
@@ -11,13 +11,14 @@ menu background splash.png
 label uefi
     kernel /vmlinuz
     sysappend 0x78074
-    append initrd=/initrd.gz init=/init root=/dev/sda1
+    append initrd=/initrd.gz init=/init root=/dev/ram0
 
 label linux
     kernel vmlinuz
     sysappend 0x78074
-    append initrd=initrd.gz init=/init root=/dev/sda1
+    append initrd=/initrd.gz init=/init root=/dev/ram0
 
-label lua test
+label luatest
     kernel lua.c32
-    append muffin.lua
+    append -i -- muffin.lua /vmlinuz initrd=/initrd.gz init=/init root=/dev/ram0
+
-- 
2.39.2