4 files changed, 73 insertions, 2 deletions
diff --git a/include/asm-generic/global_data.h b/include/asm-generic/global_data.h
index e8c6412e3f8..99bde9ec7e4 100644
--- a/include/asm-generic/global_data.h
+++ b/include/asm-generic/global_data.h
@@ -697,6 +697,14 @@ enum gd_flags {
 	 * @GD_FLG_BLOBLIST_READY: bloblist is ready for use
 	 */
 	GD_FLG_BLOBLIST_READY = 0x800000,
+	/**
+	 * @GD_FLG_HUSH_OLD_PARSER: Use hush old parser.
+	 */
+	GD_FLG_HUSH_OLD_PARSER = 0x1000000,
+	/**
+	 * @GD_FLG_HUSH_MODERN_PARSER: Use hush 2021 parser.
+	 */
+	GD_FLG_HUSH_MODERN_PARSER = 0x2000000,
 };
 
 #endif /* __ASSEMBLY__ */
diff --git a/include/cli_hush.h b/include/cli_hush.h
index 2bd35670c73..007b8d6372f 100644
--- a/include/cli_hush.h
+++ b/include/cli_hush.h
@@ -12,11 +12,58 @@
 #define FLAG_REPARSING       (1 << 2)	  /* >=2nd pass */
 #define FLAG_CONT_ON_NEWLINE (1 << 3)	  /* continue when we see \n */
 
+#if CONFIG_IS_ENABLED(HUSH_OLD_PARSER)
 extern int u_boot_hush_start(void);
-extern int parse_string_outer(const char *, int);
+extern int parse_string_outer(const char *str, int flag);
 extern int parse_file_outer(void);
-
 int set_local_var(const char *s, int flg_export);
+#else
+static inline int u_boot_hush_start(void)
+{
+	return 0;
+}
+
+static inline int parse_string_outer(const char *str, int flag)
+{
+	return 1;
+}
+
+static inline int parse_file_outer(void)
+{
+	return 0;
+}
+
+static inline int set_local_var(const char *s, int flg_export)
+{
+	return 0;
+}
+#endif
+#if CONFIG_IS_ENABLED(HUSH_MODERN_PARSER)
+extern int u_boot_hush_start_modern(void);
+extern int parse_string_outer_modern(const char *str, int flag);
+extern void parse_and_run_file(void);
+int set_local_var_modern(char *s, int flg_export);
+#else
+static inline int u_boot_hush_start_modern(void)
+{
+	return 0;
+}
+
+static inline int parse_string_outer_modern(const char *str, int flag)
+{
+	return 1;
+}
+
+static inline void parse_and_run_file(void)
+{
+}
+
+static inline int set_local_var_modern(char *s, int flg_export)
+{
+	return 0;
+}
+#endif
+
 void unset_local_var(const char *name);
 char *get_local_var(const char *s);
 
diff --git a/include/test/hush.h b/include/test/hush.h
new file mode 100644
index 00000000000..cca66544a06
--- /dev/null
+++ b/include/test/hush.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * (C) Copyright 2021
+ * Francis Laniel, Amarula Solutions, [email protected]
+ */
+
+#ifndef __TEST_HUSH_H__
+#define __TEST_HUSH_H__
+
+#include <test/test.h>
+
+/* Declare a new environment test */
+#define HUSH_TEST(_name, _flags)	UNIT_TEST(_name, _flags, hush_test)
+
+#endif /* __TEST_HUSH_H__ */
diff --git a/include/test/suites.h b/include/test/suites.h
index 49224d8ea2e..365d5f20dfe 100644
--- a/include/test/suites.h
+++ b/include/test/suites.h
@@ -43,6 +43,7 @@ int do_ut_env(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]);
 int do_ut_exit(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]);
 int do_ut_fdt(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]);
 int do_ut_font(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]);
+int do_ut_hush(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]);
 int do_ut_lib(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]);
 int do_ut_loadm(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]);
 int do_ut_log(struct cmd_tbl *cmdtp, int flag, int argc, char * const argv[]);