riscv: kexec_file: Split the loading of kernel and others

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This is the preparative patch for kexec_file_load Image support.

It separates the elf_kexec_load() as two parts:
- the first part loads the vmlinux (or Image)
- the second part loads other segments (e.g. initrd,fdt,purgatory)

And the second part is exported as the load_extra_segments() function
which would be used in both kexec-elf.c and kexec-image.c.

No functional change intended.

Signed-off-by: Song Shuai <songshuaishuai@tinylab.org>
Signed-off-by: Björn Töpel <bjorn@rivosinc.com>
Link: https://lore.kernel.org/r/20250409193004.643839-2-bjorn@kernel.org
Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Signed-off-by: Palmer Dabbelt <palmer@dabbelt.com>

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Song Shuai 2025-04-09 21:29:58 +02:00 • committed by Palmer Dabbelt

parent 9c32cda43e

commit 1df45f8a9f

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5 changed files with 510 additions and 486 deletions

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5

arch/riscv/include/asm/kexec.h

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2

arch/riscv/kernel/Makefile

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485

arch/riscv/kernel/elf_kexec.c

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144

arch/riscv/kernel/kexec_elf.c

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360

arch/riscv/kernel/machine_kexec_file.c

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