[OE-core] [PATCH V3 1/1] meta: introduce UBOOT_MKIMAGE_KERNEL_TYPE

[Ming Liu]

From: Ming Liu <liu.min...@gmail.com>

Sometimes an end user might want to choose another kernel type argument
for uboot-mkimage other than "kernel", for instance: "kernel_noload".

Let's introduce a variable UBOOT_MKIMAGE_KERNEL_TYPE to support that,
and it could be used by BSP layers as well.

Signed-off-by: Ming Liu <liu.min...@gmail.com>
---
 meta/classes/kernel-fitimage.bbclass     | 2 +-
 meta/classes/kernel-uboot.bbclass        | 3 +++
 meta/classes/kernel-uimage.bbclass       | 2 +-
 meta/lib/oeqa/selftest/cases/fitimage.py | 4 +++-
 4 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/meta/classes/kernel-fitimage.bbclass 
b/meta/classes/kernel-fitimage.bbclass
index 7e09b075ff..2112ae4cfa 100644
--- a/meta/classes/kernel-fitimage.bbclass
+++ b/meta/classes/kernel-fitimage.bbclass
@@ -148,7 +148,7 @@ fitimage_emit_section_kernel() {
                 kernel-$2 {
                         description = "Linux kernel";
                         data = /incbin/("$3");
-                        type = "kernel";
+                        type = "${UBOOT_MKIMAGE_KERNEL_TYPE}";
                         arch = "${UBOOT_ARCH}";
                         os = "linux";
                         compression = "$4";
diff --git a/meta/classes/kernel-uboot.bbclass 
b/meta/classes/kernel-uboot.bbclass
index 2facade818..1bc98e042d 100644
--- a/meta/classes/kernel-uboot.bbclass
+++ b/meta/classes/kernel-uboot.bbclass
@@ -2,6 +2,9 @@
 FIT_KERNEL_COMP_ALG ?= "gzip"
 FIT_KERNEL_COMP_ALG_EXTENSION ?= ".gz"
 
+# Kernel image type passed to mkimage (i.e. kernel kernel_noload...)
+UBOOT_MKIMAGE_KERNEL_TYPE ?= "kernel"
+
 uboot_prep_kimage() {
        if [ -e arch/${ARCH}/boot/compressed/vmlinux ]; then
                vmlinux_path="arch/${ARCH}/boot/compressed/vmlinux"
diff --git a/meta/classes/kernel-uimage.bbclass 
b/meta/classes/kernel-uimage.bbclass
index cedb4fa070..2e661ea916 100644
--- a/meta/classes/kernel-uimage.bbclass
+++ b/meta/classes/kernel-uimage.bbclass
@@ -30,6 +30,6 @@ do_uboot_mkimage() {
                        awk '$3=="${UBOOT_ENTRYSYMBOL}" {print "0x"$1;exit}'`
        fi
 
-       uboot-mkimage -A ${UBOOT_ARCH} -O linux -T kernel -C "${linux_comp}" -a 
${UBOOT_LOADADDRESS} -e $ENTRYPOINT -n "${DISTRO_NAME}/${PV}/${MACHINE}" -d 
linux.bin ${B}/arch/${ARCH}/boot/uImage
+       uboot-mkimage -A ${UBOOT_ARCH} -O linux -T ${UBOOT_MKIMAGE_KERNEL_TYPE} 
-C "${linux_comp}" -a ${UBOOT_LOADADDRESS} -e $ENTRYPOINT -n 
"${DISTRO_NAME}/${PV}/${MACHINE}" -d linux.bin ${B}/arch/${ARCH}/boot/uImage
        rm -f linux.bin
 }
diff --git a/meta/lib/oeqa/selftest/cases/fitimage.py 
b/meta/lib/oeqa/selftest/cases/fitimage.py
index e6bfd1257e..d732a9020d 100644
--- a/meta/lib/oeqa/selftest/cases/fitimage.py
+++ b/meta/lib/oeqa/selftest/cases/fitimage.py
@@ -738,6 +738,7 @@ UBOOT_LOADADDRESS = "0x80000000"
 UBOOT_DTB_LOADADDRESS = "0x82000000"
 UBOOT_ARCH = "arm"
 UBOOT_MKIMAGE_DTCOPTS = "-I dts -O dtb -p 2000"
+UBOOT_MKIMAGE_KERNEL_TYPE = "kernel"
 UBOOT_EXTLINUX = "0"
 FIT_GENERATE_KEYS = "1"
 KERNEL_IMAGETYPE_REPLACEMENT = "zImage"
@@ -763,6 +764,7 @@ FIT_HASH_ALG = "sha256"
 
         kernel_load = str(get_bb_var('UBOOT_LOADADDRESS'))
         kernel_entry = str(get_bb_var('UBOOT_ENTRYPOINT'))
+        kernel_type = str(get_bb_var('UBOOT_MKIMAGE_KERNEL_TYPE'))
         kernel_compression = str(get_bb_var('FIT_KERNEL_COMP_ALG'))
         uboot_arch = str(get_bb_var('UBOOT_ARCH'))
         fit_hash_alg = str(get_bb_var('FIT_HASH_ALG'))
@@ -775,7 +777,7 @@ FIT_HASH_ALG = "sha256"
             'kernel-1 {',
             'description = "Linux kernel";',
             'data = /incbin/("linux.bin");',
-            'type = "kernel";',
+            'type = "' + kernel_type + '";',
             'arch = "' + uboot_arch + '";',
             'os = "linux";',
             'compression = "' + kernel_compression + '";',
-- 
2.25.1


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