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xtensa: add exclusive access support
authorMax Filippov <[email protected]>
Sun, 9 Aug 2020 06:28:17 +0000 (23:28 -0700)
committerWaldemar Brodkorb <[email protected]>
Tue, 11 Aug 2020 11:35:02 +0000 (13:35 +0200)
commitfc48f4fb0506b2ea6ef3bb33037be3a4da2874bc
treeaa83e91570361d19ca569ea68d279b98b69ec3b5tree | snapshot
parentc2e5177b97825211565150b4f9a7f253e0458619commit | diff
xtensa: add exclusive access support

Add XCHAL definitions for S32C1I and EXCLUSIVE options to
xtensa-config.h, include it in places that implement atomic operations
and add implementations with exclusive access option opcodes.

Signed-off-by: Max Filippov <[email protected]>
libc/sysdeps/linux/xtensa/bits/atomic.h diff | blob | blame | history
libc/sysdeps/linux/xtensa/bits/xtensa-config.h diff | blob | blame | history
libpthread/linuxthreads/sysdeps/xtensa/pt-machine.h diff | blob | blame | history
libpthread/nptl/sysdeps/xtensa/pthread_spin_lock.S diff | blob | blame | history
libpthread/nptl/sysdeps/xtensa/pthread_spin_trylock.S diff | blob | blame | history
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