CVS commit: src/sys/arch/arm

["Nick Hudson" <skrll%netbsd.org@localhost>]

Module Name:    src
Committed By:   skrll
Date:           Fri Aug 28 13:36:52 UTC 2020

Modified Files:
        src/sys/arch/arm/arm: armv6_start.S
        src/sys/arch/arm/arm32: arm32_kvminit.c genassym.cf locore.S
        src/sys/arch/arm/include: asan.h
        src/sys/arch/arm/include/arm32: machdep.h

Log Message:
Some KASAN fixes and tweaks

- don't access BSS variables when __md_early
- centralise the INIT_ARM_STACK_{SHIFT,SIZE} defines and create a new
  INIT_ARM_TOTAL_STACK
- Only create L1PT entries in kasan_md_shadow_map_page if
  arm32_kernel_vm_init hasn't created the L2PTs (and their L1PT entries)
- Add some comments to explain what's going on


To generate a diff of this commit:
cvs rdiff -u -r1.26 -r1.27 src/sys/arch/arm/arm/armv6_start.S
cvs rdiff -u -r1.64 -r1.65 src/sys/arch/arm/arm32/arm32_kvminit.c
cvs rdiff -u -r1.94 -r1.95 src/sys/arch/arm/arm32/genassym.cf
cvs rdiff -u -r1.42 -r1.43 src/sys/arch/arm/arm32/locore.S
cvs rdiff -u -r1.3 -r1.4 src/sys/arch/arm/include/asan.h
cvs rdiff -u -r1.34 -r1.35 src/sys/arch/arm/include/arm32/machdep.h

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.