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3 Commits

Author SHA1 Message Date
Atish Patra
312b6bf32f lib: Add atomic bit set/clear operations. 
Add addtional functionlities for set/clear bits
atomically.

Signed-off-by: Atish Patra <atish.patra@wdc.com>
 2019-01-22 10:03:49 +05:30
Anup Patel
1ee745fe57 lib: Use AMO instructions whenever __riscv_atomic is defined 
We should use AMO instructions whenever __riscv_atomic is
defined (i.e. atomics are supported). We use LR/SC only when
__riscv_atomic is not defined.

Signed-off-by: Anup Patel <anup.patel@wdc.com>
 2019-01-21 21:12:48 +05:30
Anup Patel
9e8ff05cb6 Initial commit. 
Signed-off-by: Anup Patel <anup.patel@wdc.com>
 2018-12-11 19:24:06 +05:30