Re: [Qemu-devel] [PATCH 0/6] [RFC] New SPARC machine: Leon3

[Artyom Tarasenko]

On Mon, Dec 6, 2010 at 10:26 AM, Fabien Chouteau <address@hidden> wrote:
> Hi everyone,
> I'm glad to submit my first patches to the Qemu-devel list.
>
> This patch set introduces a new SPARC V8 machine: Leon3. It's an open-source
> VHDL System-On-Chip, well known in space industry (more information on
> http://www.gaisler.com).

Nice! Haven't looked into the code yet, but it's great to have someone
who cares for V8.
Do you also have a firmware which runs on these machines?

> Leon3 is made of multiple components available in the GrLib VHDL library.
> Three devices are implemented: uart, timers and IRQ manager.
> You can find code for these peripherals in the grlib_* files.
>
> Modifications have been done to the SPARC cpu emulation code to handle
> Leon3's specific behavior:
>  - IRQ management
>  - Cache control
>  - Asr17 (implementation-dependent Ancillary State Registers)

Is it the only implementation-dependent asr in Leon3? Thought there were more.

>  - Shutdown
>
> Please feel free to comment.
>
> Regards,
>
> Fabien Chouteau (6):
>  Emulation of GRLIB GPTimer as defined in GRLIB IP Core User's Manual.
>  Emulation of GRLIB IRQMP as defined in GRLIB IP Core User's Manual.
>  Emulation of GRLIB APB UART as defined in GRLIB IP Core User's
>    Manual.
>  Header file for the GRLIB components.
>  Emulation of Leon3.
>  SPARCV8 asr17 register support.
>
>  Makefile.target          |    5 +-
>  hw/grlib.h               |   27 +++
>  hw/grlib_apbuart.c       |  231 ++++++++++++++++++++++++
>  hw/grlib_gptimer.c       |  448 
> ++++++++++++++++++++++++++++++++++++++++++++++
>  hw/grlib_irqmp.c         |  416 ++++++++++++++++++++++++++++++++++++++++++
>  hw/leon3.c               |  316 ++++++++++++++++++++++++++++++++
>  target-sparc/cpu.h       |   11 ++
>  target-sparc/helper.c    |    2 +-
>  target-sparc/machine.c   |    2 +
>  target-sparc/op_helper.c |   30 +++-
>  target-sparc/translate.c |   10 +
>  11 files changed, 1494 insertions(+), 4 deletions(-)
>  create mode 100644 hw/grlib.h
>  create mode 100644 hw/grlib_apbuart.c
>  create mode 100644 hw/grlib_gptimer.c
>  create mode 100644 hw/grlib_irqmp.c
>  create mode 100644 hw/leon3.c
>


-- 
Regards,
Artyom Tarasenko

solaris/sparc under qemu blog: http://tyom.blogspot.com/