Update to bender with optional microcode and HWP

plugin support.

Fixes #3871

tool/boot/README

@@ -2,19 +2,26 @@ This directory contains boot-loader files needed to boot Genode and to create
 boot images. The tools are available in binary form. Pointers to the source
 code respectively the download source of binaries are described below.
 
-:'bender', 'microcode'
+:'bender'
 
-  The tools are part of the 'morbo' toolchain available under GPL.
+  The tool is part of the 'morbo' toolchain available under GPL.
   The toolchain was obtained from https://github.com/TUD-OS/morbo.
+
   For Genode bender was modified so that binaries are only relocated up
-  to 2G physical. Additional, relocation can be limited to 256M for sel4.
+  to 2G physical. Additionally, relocation can be limited to 256M for sel4.
-  The microcode tools expect to find a module named micro.code which contains
+
+  Optionally, the tool may load Intel microcode if configured via commandline.
+  The tool expects to find an module named micro.code which contains
   a valid Intel microcode file for the target CPU.
 
+  Additionally, the tool may adjust the Intel HWP default settings if
+  configured via commandline.
+
   The changes are available from
   https://github.com/alex-ab/morbo.git.
 
-  git commit 003016e096fa132e2086b4db52d1fd965dbd7363
+  git branch intel_hwp
+  git commit 84be1183b066e9ba78c874713db4e68a5c3393fa
 
 :'pulsar':
 

tool/run/boot_dir/nova

@@ -59,19 +59,22 @@ proc run_boot_dir {binaries} {
 
 	exec mv   [run_dir]/image.elf [run_dir]/boot/image.elf
 
+	#
+	# Setup bender and plugins
+	#
+	set options_bender ""
+
+	if {[apply_microcode]} {
+		exec cp bin/micro.code [run_dir]/boot/
+		append options_bender " microcode"
+	}
+
 	if {[have_include "image/iso"] || [have_include "image/disk"] || [have_include image/uefi]} {
 		#
 		# Compress Genode image, to be uncompressed by GRUB
 		#
 		exec gzip [run_dir]/boot/image.elf
 
-		set serial_bender_opt ""
-
-		if {[apply_microcode]} {
-			exec cp bin/micro.code [run_dir]/boot/
-			exec cp [genode_dir]/tool/boot/microcode [run_dir]/boot/
-		}
-
 		if {[have_include "image/disk"]} {
 			exec mkdir -p [run_dir]/boot/grub
 			exec cp [genode_dir]/tool/boot/bender [run_dir]/boot/bender
@@ -101,7 +104,7 @@ proc run_boot_dir {binaries} {
 				# exec cp /boot/grub/unicode.pf2 [run_dir]/boot/grub/unicode.pf2
 			}
 
-			set serial_bender_opt "serial_fallback"
+			append options_bender " serial_fallback"
 		}
 
 		#
@@ -132,9 +135,8 @@ proc run_boot_dir {binaries} {
 		puts $fh "menuentry 'Genode on NOVA' {"
 		puts $fh " insmod multiboot2"
 		puts $fh " insmod gzio"
-		puts $fh " multiboot2 /boot/bender $serial_bender_opt"
+		puts $fh " multiboot2 /boot/bender $options_bender"
 		if {[apply_microcode]} {
-			puts $fh " module2 /boot/microcode serial"
 			puts $fh " module2 /boot/micro.code micro.code"
 		}
 		puts $fh " module2 /boot/hypervisor hypervisor iommu novpid [kernel_output]"
@@ -154,18 +156,12 @@ proc run_boot_dir {binaries} {
 		#
 		install_pxe_bootloader_to_run_dir
 
-		if {[apply_microcode]} {
-			exec cp [genode_dir]/tool/boot/microcode [run_dir]/boot/
-			exec cp bin/micro.code [run_dir]/boot/
-		}
-
 		#
 		# Generate pulsar config file
 		#
 		set fh [open "[run_dir]/config-52-54-00-12-34-56" "WRONLY CREAT TRUNC"]
-		puts $fh " exec /boot/bender"
+		puts $fh " exec /boot/bender $options_bender"
 		if {[apply_microcode]} {
-			puts $fh " load /boot/microcode serial"
 			puts $fh " load /boot/micro.code micro.code"
 		}
 		puts $fh " load /boot/hypervisor iommu novpid [kernel_output]"