Re: [PATCH 0/5] RISC-V: Add Ratified Cache Management Operation ISA Extensions

[Tsukasa OI <research_trasio@irq.a4lg.com>]

Hi Nelson,

Thanks for quick review and ...I didn't expect that you can view
my copyright assignment status.

Anyway, you are right.  Considering I'm preparing far more larger patchset
(privileged specification 1.12 CSRs), I definitely need copyright
assignment including future changes.

I requested copyright assignment form based on request-assign.future and
legal procedures will complete in a few weeks (I guess).

Tsukasa

On 2021/12/18 0:23, Nelson Chu wrote:
> Hi Tsukasa,
> 
> Thanks for implementing these extensions, LGTM.  But I notice that
> your copyright assignment is only for GNU WGET, and it seems it
> doesn't cover the changes of binutils.  It would be great if you could
> check this for us, thanks.
> 
> Nelson
> 
> 
> On Thu, Dec 16, 2021 at 7:10 PM Tsukasa OI via Binutils
> <binutils@sourceware.org> wrote:
>>
>> This patchset adds support for three recently ratified RISC-V extensions:
>>
>> -   Zicbom (Cache-Block Management Instructions)
>> -   Zicbop (Cache-Block Prefetch hint instructions)
>> -   Zicboz (Cache-Block Zero Instructions)
>>
>> `prefetch.[irw]' hint instructions in Zicbop extension require new operand
>> type which is pseudo S-type immediate with low 5-bits set to zero
>> (32-byte aligned).  So, Zicbop changes are separate from Zicbom/Zicboz:
>>
>>     Patch 1:   Zicbom/z/p (common)
>>     Patch 2/3: Zicbom/z (regular CBO instructions)
>>     Patch 4/5: Zicbop   (prefetch hint instructions)
>>
>> cf. <https://github.com/riscv/riscv-CMOs/blob/fc8e97a9531ac9811971a182ae431976b86216e1/specifications/cmobase-v1.0-rc2.pdf>
>>
>>
>>
>>
>> Tsukasa OI (5):
>>   RISC-V: Add mininal support for Zicbo[mpz]
>>   RISC-V: Cache management instructions
>>   RISC-V: Cache management instruction testcases
>>   RISC-V: Prefetch hint instructions and operand set
>>   RISC-V: Prefetch hint instruction testcases
>>
>>  bfd/elfxx-riscv.c                     |  9 +++++++++
>>  gas/config/tc-riscv.c                 | 17 +++++++++++++++++
>>  gas/testsuite/gas/riscv/zicbom.d      | 15 +++++++++++++++
>>  gas/testsuite/gas/riscv/zicbom.s      |  7 +++++++
>>  gas/testsuite/gas/riscv/zicbop-fail.d |  3 +++
>>  gas/testsuite/gas/riscv/zicbop-fail.l |  4 ++++
>>  gas/testsuite/gas/riscv/zicbop-fail.s |  4 ++++
>>  gas/testsuite/gas/riscv/zicbop.d      | 12 ++++++++++++
>>  gas/testsuite/gas/riscv/zicbop.s      |  4 ++++
>>  gas/testsuite/gas/riscv/zicboz.d      | 11 +++++++++++
>>  gas/testsuite/gas/riscv/zicboz.s      |  3 +++
>>  include/opcode/riscv-opc.h            | 14 ++++++++++++++
>>  include/opcode/riscv.h                |  3 +++
>>  opcodes/riscv-dis.c                   |  4 ++++
>>  opcodes/riscv-opc.c                   |  9 +++++++++
>>  15 files changed, 119 insertions(+)
>>  create mode 100644 gas/testsuite/gas/riscv/zicbom.d
>>  create mode 100644 gas/testsuite/gas/riscv/zicbom.s
>>  create mode 100644 gas/testsuite/gas/riscv/zicbop-fail.d
>>  create mode 100644 gas/testsuite/gas/riscv/zicbop-fail.l
>>  create mode 100644 gas/testsuite/gas/riscv/zicbop-fail.s
>>  create mode 100644 gas/testsuite/gas/riscv/zicbop.d
>>  create mode 100644 gas/testsuite/gas/riscv/zicbop.s
>>  create mode 100644 gas/testsuite/gas/riscv/zicboz.d
>>  create mode 100644 gas/testsuite/gas/riscv/zicboz.s
>>
>>
>> base-commit: 23ff54c27d535727c1c467abdd4bed8fbd46d4a6
>> --
>> 2.32.0
>>
>