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CVS commit: src



Module Name:    src
Committed By:   skrll
Date:           Thu Aug  6 10:00:21 UTC 2020

Modified Files:
        src/common/lib/libc/arch/mips/atomic: atomic_add.S atomic_and.S
            atomic_cas.S atomic_dec.S atomic_inc.S atomic_or.S atomic_swap.S
        src/sys/arch/mips/include: asm.h
        src/sys/arch/mips/mips: lock_stubs_llsc.S

Log Message:
Centralise SYNC/BDSYNC in asm.h and introduce a new LLCSCSYNC and use it
before any ll/sc sequences.

Define LLSCSYNC as syncw; syncw for cnMIPS - issue two as early cnMIPS
has errat{um,a} that means the first can fail.


To generate a diff of this commit:
cvs rdiff -u -r1.6 -r1.7 src/common/lib/libc/arch/mips/atomic/atomic_add.S \
    src/common/lib/libc/arch/mips/atomic/atomic_dec.S \
    src/common/lib/libc/arch/mips/atomic/atomic_inc.S \
    src/common/lib/libc/arch/mips/atomic/atomic_swap.S
cvs rdiff -u -r1.5 -r1.6 src/common/lib/libc/arch/mips/atomic/atomic_and.S \
    src/common/lib/libc/arch/mips/atomic/atomic_or.S
cvs rdiff -u -r1.7 -r1.8 src/common/lib/libc/arch/mips/atomic/atomic_cas.S
cvs rdiff -u -r1.57 -r1.58 src/sys/arch/mips/include/asm.h
cvs rdiff -u -r1.10 -r1.11 src/sys/arch/mips/mips/lock_stubs_llsc.S

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




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