Re: [PATCH v4] RISC-V: Add Zawrs ISA extension support

2022-12-06 Thread Alistair Francis
On Thu, Oct 6, 2022 at 12:52 AM Christoph Muellner wrote: > > 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 invalidati

Re: [PATCH v4] RISC-V: Add Zawrs ISA extension support

2022-10-26 Thread Alistair Francis
On Thu, Oct 6, 2022 at 12:52 AM Christoph Muellner wrote: > > 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 invalidati

Re: [PATCH v4] RISC-V: Add Zawrs ISA extension support

2022-10-26 Thread Alistair Francis
On Thu, Oct 6, 2022 at 12:52 AM Christoph Muellner wrote: > > 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 invalidati

[PATCH v4] RISC-V: Add Zawrs ISA extension support

2022-10-05 Thread 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 just exit the TB and retur