RISC-V: Add purgatory

Browse source

This patch adds purgatory, the name and concept have been taken
from kexec-tools. Purgatory runs between two kernels, and do
verify sha256 hash to ensure the kernel to jump to is fine and
has not been corrupted after loading. Makefile is modified based
on x86 platform.

Signed-off-by: Li Zhengyu <lizhengyu3@huawei.com>
Link: https://lore.kernel.org/r/20220408100914.150110-6-lizhengyu3@huawei.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>

...

This commit is contained in:

Li Zhengyu 2022-04-08 18:09:13 +08:00 • committed by Palmer Dabbelt

parent 8acea455fa

commit 736e30af58

No known key found for this signature in database

GPG key ID: EF4CA1502CCBAB41

6 changed files with 199 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

2

arch/riscv/Kbuild

View file

6

arch/riscv/Kconfig

View file

4

arch/riscv/purgatory/.gitignore vendored

View file

95

arch/riscv/purgatory/Makefile

View file

47

arch/riscv/purgatory/entry.S

View file

45

arch/riscv/purgatory/purgatory.c

View file