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author | Ingo Molnar <mingo@kernel.org> | 2019-02-11 14:27:05 +0100 |
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committer | Ingo Molnar <mingo@kernel.org> | 2019-02-11 14:27:05 +0100 |
commit | 41b8687191cfd0326db03b0e82fb09d8c98ca641 (patch) | |
tree | a214babca0a181c67c25a615d608465a5f92f8c4 /scripts/atomic/atomics.tbl | |
parent | 49262de2270e09882d7bd8866a691cdd69ab32f6 (diff) | |
parent | bdf37b4dd35d2517cadc10735cd33022da7df133 (diff) |
Merge branch 'locking/atomics' into locking/core, to pick up WIP commits
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'scripts/atomic/atomics.tbl')
-rwxr-xr-x | scripts/atomic/atomics.tbl | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/scripts/atomic/atomics.tbl b/scripts/atomic/atomics.tbl new file mode 100755 index 000000000000..fbee2f6190d9 --- /dev/null +++ b/scripts/atomic/atomics.tbl @@ -0,0 +1,41 @@ +# name meta args... +# +# Where meta contains a string of variants to generate. +# Upper-case implies _{acquire,release,relaxed} variants. +# Valid meta values are: +# * B/b - bool: returns bool +# * v - void: returns void +# * I/i - int: returns base type +# * R - return: returns base type (has _return variants) +# * F/f - fetch: returns base type (has fetch_ variants) +# * l - load: returns base type (has _acquire order variant) +# * s - store: returns void (has _release order variant) +# +# Where args contains list of type[:name], where type is: +# * cv - const pointer to atomic base type (atomic_t/atomic64_t/atomic_long_t) +# * v - pointer to atomic base type (atomic_t/atomic64_t/atomic_long_t) +# * i - base type (int/s64/long) +# * p - pointer to base type (int/s64/long) +# +read l cv +set s v i +add vRF i v +sub vRF i v +inc vRF v +dec vRF v +and vF i v +andnot vF i v +or vF i v +xor vF i v +xchg I v i +cmpxchg I v i:old i:new +try_cmpxchg B v p:old i:new +sub_and_test b i v +dec_and_test b v +inc_and_test b v +add_negative b i v +add_unless fb v i:a i:u +inc_not_zero b v +inc_unless_negative b v +dec_unless_positive b v +dec_if_positive i v |