ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/include/kernel-version.mk b/include/kernel-version.mk
new file mode 100644
index 0000000..958ed9b
--- /dev/null
+++ b/include/kernel-version.mk
@@ -0,0 +1,51 @@
+
+# Use the default kernel version if the Makefile doesn't override it
+LINUX_RELEASE?=1
+
+ifdef CONFIG_TESTING_KERNEL
+ KERNEL_PATCHVER:=$(KERNEL_TESTING_PATCHVER)
+endif
+
+KERNEL_DETAILS_FILE=$(INCLUDE_DIR)/kernel-$(KERNEL_PATCHVER)
+ifeq ($(wildcard $(KERNEL_DETAILS_FILE)),)
+ $(error Missing kernel version/hash file for $(KERNEL_PATCHVER). Please create $(KERNEL_DETAILS_FILE))
+endif
+
+include $(KERNEL_DETAILS_FILE)
+
+ifdef KERNEL_TESTING_PATCHVER
+ KERNEL_TESTING_DETAILS_FILE=$(INCLUDE_DIR)/kernel-$(KERNEL_TESTING_PATCHVER)
+ ifeq ($(wildcard $(KERNEL_TESTING_DETAILS_FILE)),)
+ $(error Missing kernel version/hash file for $(KERNEL_TESTING_PATCHVER). Please create $(KERNEL_TESTING_DETAILS_FILE))
+ endif
+
+ include $(KERNEL_TESTING_DETAILS_FILE)
+endif
+
+remove_uri_prefix=$(subst git://,,$(subst http://,,$(subst https://,,$(1))))
+sanitize_uri=$(call qstrip,$(subst @,_,$(subst :,_,$(subst .,_,$(subst -,_,$(subst /,_,$(1)))))))
+
+ifneq ($(call qstrip,$(CONFIG_KERNEL_GIT_CLONE_URI)),)
+ LINUX_VERSION:=$(call sanitize_uri,$(call remove_uri_prefix,$(CONFIG_KERNEL_GIT_CLONE_URI)))
+ ifeq ($(call qstrip,$(CONFIG_KERNEL_GIT_REF)),)
+ CONFIG_KERNEL_GIT_REF:=HEAD
+ endif
+ LINUX_VERSION:=$(LINUX_VERSION)-$(call sanitize_uri,$(CONFIG_KERNEL_GIT_REF))
+else
+ifdef KERNEL_PATCHVER
+ LINUX_VERSION:=$(KERNEL_PATCHVER)$(strip $(LINUX_VERSION-$(KERNEL_PATCHVER)))
+endif
+ifdef KERNEL_TESTING_PATCHVER
+ LINUX_TESTING_VERSION:=$(KERNEL_TESTING_PATCHVER)$(strip $(LINUX_VERSION-$(KERNEL_TESTING_PATCHVER)))
+endif
+endif
+
+split_version=$(subst ., ,$(1))
+merge_version=$(subst $(space),.,$(1))
+KERNEL_BASE=$(firstword $(subst -, ,$(LINUX_VERSION)))
+KERNEL=$(call merge_version,$(wordlist 1,2,$(call split_version,$(KERNEL_BASE))))
+KERNEL_PATCHVER ?= $(KERNEL)
+
+# disable the md5sum check for unknown kernel versions
+LINUX_KERNEL_HASH:=$(LINUX_KERNEL_HASH-$(strip $(LINUX_VERSION)))
+LINUX_KERNEL_HASH?=x