[RFC PATCH] RISC-V: Add Zawrs ISA extension support

From: Christoph Muellner This patch adds support for the Zawrs ISA extension. Given the current (incomplete) implementation of reservation sets there seems to be no way to provide a full emulation of the WRS instruction (wake on reservation set invalidation or timeout or interrupt). Therefore, we

[RFC PATCH] RISC-V: Add Zawrs ISA extension support

This patch adds support for the Zawrs ISA extension. Given the current (incomplete) implementation of reservation sets there seems to be no way to provide a full emulation of the WRS instruction (wake on reservation set invalidation or timeout or interrupt). Therefore, we just pretend that an inter