[RFC PATCH v4 10/28] cli: Add menu for hush parser

[Francis Laniel]

For the moment, the menu contains only entry: HUSH_OLD_PARSER which is the
default.
The goal is to prepare the field to add a new hush parser which guarantees
actual behavior is still correct.

Signed-off-by: Francis Laniel <francis.laniel at amarulasolutions.com>
---
 cmd/Kconfig     | 21 +++++++++++++++++++++
 common/Makefile |  3 ++-
 2 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/cmd/Kconfig b/cmd/Kconfig
index 09193b61b9..ce19ad2080 100644
--- a/cmd/Kconfig
+++ b/cmd/Kconfig
@@ -23,6 +23,27 @@ config HUSH_PARSER
 	  If disabled, you get the old, much simpler behaviour with a somewhat
 	  smaller memory footprint.
 
+menu "Hush flavor to use"
+	depends on HUSH_PARSER
+
+	config HUSH_OLD_PARSER
+		bool "Use hush old parser"
+		default y
+		help
+		  This option enables the old flavor of hush based on hush Busybox from
+		  2005.
+
+		  It is actually the default U-Boot shell when decided to use hush as shell.
+
+	config HUSH_2021_PARSER
+		bool "Use hush 2021 parser"
+		help
+		  This option enables the new flavor of hush based on hush Busybox from
+		  2021.
+
+		  For the moment, it is highly experimental and should be used at own risks.
+endmenu
+
 config CMDLINE_EDITING
 	bool "Enable command line editing"
 	depends on CMDLINE
diff --git a/common/Makefile b/common/Makefile
index 75c24e3249..6f2df987ae 100644
--- a/common/Makefile
+++ b/common/Makefile
@@ -8,7 +8,8 @@ ifndef CONFIG_SPL_BUILD
 obj-y += init/
 obj-y += main.o
 obj-y += exports.o
-obj-$(CONFIG_HUSH_PARSER) += cli_hush.o
+obj-$(CONFIG_HUSH_OLD_PARSER) += cli_hush.o
+obj-$(CONFIG_HUSH_2021_PARSER) += cli_hush_2021.o
 obj-$(CONFIG_AUTOBOOT) += autoboot.o
 
 # # boards
-- 
2.25.1