CVS commit: src/sys/arch

["Jason R Thorpe" <thorpej%netbsd.org@localhost>]

Module Name:    src
Committed By:   thorpej
Date:           Sun Mar 22 22:23:56 UTC 2026

Modified Files:
        src/sys/arch/cesfic/cesfic: locore.s
        src/sys/arch/hp300/hp300: locore.s
        src/sys/arch/luna68k/luna68k: locore.s
        src/sys/arch/mac68k/mac68k: locore.s
        src/sys/arch/mvme68k/mvme68k: locore.s
        src/sys/arch/news68k/news68k: locore.s
        src/sys/arch/virt68k/virt68k: locore.s
        src/sys/arch/x68k/x68k: locore.s

Log Message:
For many many years now, it has been unnecessary to initialize the user
stack pointer before calling main().  TL;DR - %usp comes from the exception
frame and is restored in the syscall stub (always) or rei (if an AST is
pending).  For newly-forked processes, those take the non-AST path through
rei, but lwp_trampoline() takes care of it in that case.


To generate a diff of this commit:
cvs rdiff -u -r1.63 -r1.64 src/sys/arch/cesfic/cesfic/locore.s
cvs rdiff -u -r1.210 -r1.211 src/sys/arch/hp300/hp300/locore.s
cvs rdiff -u -r1.106 -r1.107 src/sys/arch/luna68k/luna68k/locore.s
cvs rdiff -u -r1.202 -r1.203 src/sys/arch/mac68k/mac68k/locore.s
cvs rdiff -u -r1.159 -r1.160 src/sys/arch/mvme68k/mvme68k/locore.s
cvs rdiff -u -r1.107 -r1.108 src/sys/arch/news68k/news68k/locore.s
cvs rdiff -u -r1.41 -r1.42 src/sys/arch/virt68k/virt68k/locore.s
cvs rdiff -u -r1.154 -r1.155 src/sys/arch/x68k/x68k/locore.s

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