As more complicated capsule kernel format occurs like zboot, where the
compressed kernel is stored as a payload. The straight forward
decompression can not meet the demand.
As the first step, on aarch64, reading in the kernel file in a probe
method and decide how to unfold the content by the method itself.
The new designed probe interface returns two factors:
1. the parsed kernel_buf should be returned so that it can be used by
the image load method later.
2. the final fd passed to sys_kexec_file_load, since aarch64 kernel can
only work with Image format, the outer payload should be stripped and a
temporary file of Image should be created.
To: kexec@xxxxxxxxxxxxxxxxxxx
Cc: horms@xxxxxxxxxxxx
Cc: ardb@xxxxxxxxxx
Cc: jeremy.linton@xxxxxxx
Pingfan Liu (5):
kexec: Adding missing free for kernel_buf
arm64/zImage: Remove unnecessary allocation for
kernel_uncompressed_buf
arm64: change the prototype of image probe function
arm64: Scatter the reading of kernel file into each probe
arm64: add support for zboot image
kexec/arch/arm/kexec-arm.h | 4 +-
kexec/arch/arm/kexec-uImage-arm.c | 2 +-
kexec/arch/arm64/Makefile | 3 +-
kexec/arch/arm64/kexec-arm64.c | 1 +
kexec/arch/arm64/kexec-arm64.h | 13 +-
kexec/arch/arm64/kexec-elf-arm64.c | 7 +-
kexec/arch/arm64/kexec-image-arm64.c | 6 +-
kexec/arch/arm64/kexec-uImage-arm64.c | 17 +-
kexec/arch/arm64/kexec-zImage-arm64.c | 23 +--
kexec/arch/arm64/kexec-zboot-arm64.c | 261 ++++++++++++++++++++++++++
kexec/arch/arm64/zboot.h | 26 +++
kexec/kexec.c | 48 +++--
kexec/kexec.h | 8 +
13 files changed, 377 insertions(+), 42 deletions(-)
create mode 100644 kexec/arch/arm64/kexec-zboot-arm64.c
create mode 100644 kexec/arch/arm64/zboot.h
--
2.31.1
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