CVS commit: src/sys/arch/aarch64

["Ryo Shimizu" <ryo%netbsd.org@localhost>]

Module Name:    src
Committed By:   ryo
Date:           Sat May 23 18:08:59 UTC 2020

Modified Files:
        src/sys/arch/aarch64/aarch64: cpufunc.c cpuswitch.S exec_machdep.c
            genassym.cf netbsd32_machdep.c vectors.S vm_machdep.c
        src/sys/arch/aarch64/include: armreg.h machdep.h proc.h

Log Message:
Not only the kernel thread, but also the userland PAC keys
(APIA,APIB,APDA,APDB,APGA) are now randomly initialized at exec, and switched
when context switch.
userland programs are able to perform pointer authentication on ARMv8.3+PAC cpu.

reviewd by maxv@, thanks.


To generate a diff of this commit:
cvs rdiff -u -r1.18 -r1.19 src/sys/arch/aarch64/aarch64/cpufunc.c
cvs rdiff -u -r1.20 -r1.21 src/sys/arch/aarch64/aarch64/cpuswitch.S
cvs rdiff -u -r1.6 -r1.7 src/sys/arch/aarch64/aarch64/exec_machdep.c
cvs rdiff -u -r1.24 -r1.25 src/sys/arch/aarch64/aarch64/genassym.cf
cvs rdiff -u -r1.12 -r1.13 src/sys/arch/aarch64/aarch64/netbsd32_machdep.c
cvs rdiff -u -r1.16 -r1.17 src/sys/arch/aarch64/aarch64/vectors.S
cvs rdiff -u -r1.7 -r1.8 src/sys/arch/aarch64/aarch64/vm_machdep.c
cvs rdiff -u -r1.44 -r1.45 src/sys/arch/aarch64/include/armreg.h
cvs rdiff -u -r1.10 -r1.11 src/sys/arch/aarch64/include/machdep.h
cvs rdiff -u -r1.6 -r1.7 src/sys/arch/aarch64/include/proc.h

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