3 files changed, 53 insertions, 0 deletions
diff --git a/payloads/external/Makefile.inc b/payloads/external/Makefile.inc
index 13d999e14f..f350622738 100644
--- a/payloads/external/Makefile.inc
+++ b/payloads/external/Makefile.inc
@@ -218,6 +218,8 @@ payloads/external/Memtest86Plus/memtest86plus/memtest: $(DOTCONFIG)
 		LD="$(LD_x86_32)" \
 		OBJCOPY="$(OBJCOPY_x86_32)" \
 		AS="$(AS_x86_32)" \
+		CONFIG_MEMTEST_REVISION=$(CONFIG_MEMTEST_REVISION) \
+		CONFIG_MEMTEST_REVISION_ID=$(CONFIG_MEMTEST_REVISION_ID) \
 		CONFIG_MEMTEST_MASTER=$(CONFIG_MEMTEST_MASTER) \
 		CONFIG_MEMTEST_STABLE=$(CONFIG_MEMTEST_STABLE) \
 		$(MEMTEST_SERIAL_OPTIONS) \
diff --git a/payloads/external/Memtest86Plus/Kconfig.secondary b/payloads/external/Memtest86Plus/Kconfig.secondary
new file mode 100644
index 0000000000..7c4da9e509
--- /dev/null
+++ b/payloads/external/Memtest86Plus/Kconfig.secondary
@@ -0,0 +1,42 @@
+if MEMTEST_SECONDARY_PAYLOAD
+
+choice
+	prompt "Memtest86+ version"
+	default MEMTEST_STABLE
+	depends on MEMTEST_SECONDARY_PAYLOAD
+
+config MEMTEST_STABLE
+	bool "Stable"
+	help
+	  Stable Memtest86+ version.
+
+	  For reproducible builds, this option must be selected.
+config MEMTEST_MASTER
+	bool "Master"
+	help
+	  Newest Memtest86+ version.
+
+	  This option will fetch the newest version of the Memtest86+ code,
+	  updating as new changes are committed.  This makes the build
+	  non-reproducible, as it can fetch different code each time.
+config MEMTEST_REVISION
+	bool "git revision"
+	help
+	  Select this option if you have a specific commit or branch
+	  that you want to use as the revision from which to
+	  build Memtest86+.  This makes the build
+	  non-reproducible, as it can fetch different code each time.
+
+	  You will be able to specify the name of a branch or a commit id
+	  later.
+
+endchoice
+
+config MEMTEST_REVISION_ID
+	string "Insert a commit's SHA-1 or a branch name"
+	depends on MEMTEST_REVISION
+	default "origin/master"
+	help
+	   The commit's SHA-1 or branch name of the revision to use.
+
+endif
diff --git a/payloads/external/Memtest86Plus/Makefile b/payloads/external/Memtest86Plus/Makefile
index 2136495469..4b3132ddf5 100644
--- a/payloads/external/Memtest86Plus/Makefile
+++ b/payloads/external/Memtest86Plus/Makefile
@@ -17,6 +17,7 @@ TAG-$(CONFIG_MEMTEST_MASTER)=origin/master
 NAME-$(CONFIG_MEMTEST_MASTER)=Master
 TAG-$(CONFIG_MEMTEST_STABLE)=3754fd440f4009b62244e0f95c56bbb12c2fffcb
 NAME-$(CONFIG_MEMTEST_STABLE)=Stable
+TAG-$(CONFIG_MEMTEST_REVISION)=$(CONFIG_MEMTEST_REVISION_ID)
 
 project_name=Memtest86+
 project_dir=$(CURDIR)/memtest86plus
@@ -29,6 +30,14 @@ $(project_dir):
 	git clone $(project_git_repo) $(project_dir)
 
 fetch: $(project_dir)
+ifeq ($(TAG-y),)
+	echo "Error: The specified tag is invalid"
+ifeq ($(CONFIG_MEMTEST_REVISION),y)
+	echo "Error: There is no revision specified for $(project_name)"
+	false
+endif
+	false
+endif
 	-cd $(project_dir); git show $(TAG-y) >/dev/null 2>&1 ; \
 		if [ $$? -ne 0 ] || [ "$(TAG-y)" = "origin/master" ]; then \
 		echo "    Fetching new commits from the $(project_name) git repo"; \