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dt-bindings: riscv: Add Zawrs ISA extension description

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Add description for the Zawrs (Wait-on-Reservation-Set) ISA extension
which was ratified in commit 98918c844281 of riscv-isa-manual.

Signed-off-by: Andrew Jones <ajones@ventanamicro.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240426100820.14762-10-ajones@ventanamicro.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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Andrew Jones 2024-04-26 12:08:22 +02:00 committed by Palmer Dabbelt
parent 6da111574b
commit 6d58528116
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Documentation/devicetree/bindings/riscv/extensions.yaml
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@ -177,6 +177,13 @@ properties:
is supported as ratified at commit 5059e0ca641c ("update to
ratified") of the riscv-zacas.
- const: zawrs
description: |
The Zawrs extension for entering a low-power state or for trapping
to a hypervisor while waiting on a store to a memory location, as
ratified in commit 98918c844281 ("Merge pull request #1217 from
riscv/zawrs") of riscv-isa-manual.
- const: zba
description: |
The standard Zba bit-manipulation extension for address generation