https://bugzilla.kernel.org/show_bug.cgi?id=205889
Bug ID: 205889
Summary: CONFIG_PPC_85xx with CONFIG_CORENET_GENERIC outputs
uImage instead of zImage
Product: Platform Specific/Hardware
Version: 2.5
Kernel Version: 5.5
Hardware: All
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: PPC-32
Assignee: platform_ppc...@kernel-bugs.osdl.org
Reporter: bradley.gam...@ncipher.com
Regression: No
Attempting a PowerPC Linux kernel build with the config options
"CONFIG_PPC_85xx=y" and "CONFIG_CORENET_GENERIC=y" will output a file named
"zImage", however this file is actually a "uImage" formatted file.
This can be replicated with this minimal defconfig:
CONFIG_PPC_85xx=y
CONFIG_CORENET_GENERIC=y
If I perform a build with one of these options I am given a valid zImage file:
$ file arch/powerpc/boot/zImage
arch/powerpc/boot/zImage: ELF 32-bit MSB executable, PowerPC or cisco 4500,
version 1 (SYSV), statically linked, not stripped
However performing the same build with both config options enabled gives an
incorrectly formatted image:
$ file arch/powerpc/boot/zImage
arch/powerpc/boot/zImage: u-boot legacy uImage, Linux-5.5.0-rc2-gea200dec5,
Linux/PowerPC, OS Kernel Image (gzip), 1366142 bytes, Tue Dec 17 15:30:22 2019,
Load Address: 0x00000000, Entry Point: 0x00000000, Header CRC: 0x99D350A0, Data
CRC: 0xC9090D33
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