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arm-bsp/corstone1000: use compressed kernel image

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To fit the kernel image into the allotted space, a compressed kernel
image is now needed.  Use the Image.gz from the kernel build process
and change the relevant places to use the new image name.  This also
necessitates adding an unzip command to u-boot to uncompress it to
memory (and the loadm is still needed to setup the efi mem boot device).
Also, the unzipped image is larger than before.  So, increase the size
that loadm is copying.

This change shrinks the initramfs bundle size from 12MB to 4.8MB

Signed-off-by: Jon Mason <jon.mason@arm.com>
Signed-off-by: Abdellatif El Khlifi <abdellatif.elkhlifi@arm.com>
Signed-off-by: Jon Mason <jon.mason@arm.com>
This commit is contained in:
Abdellatif El Khlifi
2022-10-19 10:15:56 +01:00
committed by Jon Mason
parent 11920e64f4
commit d54e50daa6
4 changed files with 38 additions and 2 deletions
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meta-arm-bsp/conf/machine/include/corstone1000.inc
+1 -1
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@@ -48,7 +48,7 @@ EXTRA_IMAGEDEPENDS += "secure-partitions"
# Linux kernel
PREFERRED_PROVIDER_virtual/kernel:forcevariable = "linux-yocto"
PREFERRED_VERSION_linux-yocto = "5.15%"
KERNEL_IMAGETYPE = "Image"
KERNEL_IMAGETYPE = "Image.gz"
INITRAMFS_IMAGE_BUNDLE ?= "1"