2020년 3월 6일

linux version : mainline 5.9

init/main.c.  start_kernel();

xen_early_init()

arch/arm64/xen/Makefile 참조. arm의 xen코드를 arm64에서 사용한다.

자세한 내용은 진행하지 않음

efi_init()

drivers/firmware/efi/arm-init.c

추후에 이론을 분석하고 볼 것을 고려함.

arm64_memblock_init()

 - memblock_cap_memory_range() 진행중

저녁 시간

이론 분석

http://jake.dothome.co.kr/cache4/

Cache

Cache – Policies

Branch Predictors

참고 자료

• https://community.arm.com/developer/ip-products/processors/f/cortex-a-forum/3238/the-exact-definition-of-outer-and-inner-in-armv7 (inner, outer)
• https://course.ece.cmu.edu/~ece740/f15/lib/exe/fetch.php?media=18-740-fall15-lecture05-branch-prediction-afterlecture.pdf (Branch Predictors)
• https://developer.arm.com/documentation/ddi0338/g/prefetch-unit/return-stack
• http://www-classes.usc.edu/engr/ee-s/457/EE457_Classnotes/ee457_Branch_Prediction/EE560_05_Ras_Just_FYI.pdf
• https://developer.arm.com/documentation/den0024/a/Caches/Cache-maintenance
• https://developer.arm.com/documentation/ddi0595/2020-12/AArch64-Instructions/DC-CSW--Data-or-unified-Cache-line-Clean-by-Set-Way?lang=en
• https://developer.arm.com/documentation/ddi0344/b/programmer-s-model/addresses-in-a-processor-system
• https://stackoverflow.com/questions/57250796/difference-between-virtual-address-and-modified-virtual-address-in-arm-architect
• https://developer.arm.com/documentation/den0024/a/Memory-Ordering/Memory-attributes/Cacheable-and-shareable-memory-attributes

자료

https://github.com/iamroot17/linux