[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH V1 0/7] execute code from mmio area
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] [PATCH V1 0/7] execute code from mmio area |
Date: |
Thu, 16 Feb 2017 15:39:26 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.7.0 |
On 16/02/2017 15:30, address@hidden wrote:
> From: KONRAD Frederic <address@hidden>
>
> This series allows to execute code from mmio areas.
> The main goal of this is to be able to run code for example from an SPI
> device.
>
> The three first patch fixes the way get_page_addr_code fills the TLB.
>
> The fourth patch implements the mmio execution helpers: the device must
> implement the request_ptr callback of the MemoryRegion and will be notified
> when
> the guest wants to execute code from it.
>
> The fifth patch introduces mmio_interface device which allows to dynamically
> map a host pointer somewhere into the memory.
>
> The sixth patch implements the execution from the SPI memories in the
> xilinx_spips model.
Sorry for the stupid question, where is mmio-interface used? Wrong
version of patch 7 perhaps?
Paolo
> Thanks,
> Fred
>
> RFC -> V1:
> * Use an interface (mmio-interface) to fix any reference leak issue.
>
> KONRAD Frederic (7):
> cputlb: cleanup get_page_addr_code to use VICTIM_TLB_HIT
> cputlb: move get_page_addr_code
> cputlb: fix the way get_page_addr_code fills the tlb
> exec: allow to get a pointer for some mmio memory region
> qdev: add MemoryRegion property
> introduce mmio_interface
> xilinx_spips: allow mmio execution
>
> cputlb.c | 81 ++++++++++++++-----------
> hw/misc/Makefile.objs | 1 +
> hw/misc/mmio_interface.c | 128
> +++++++++++++++++++++++++++++++++++++++
> hw/ssi/xilinx_spips.c | 74 ++++++++++++++++------
> include/exec/memory.h | 35 +++++++++++
> include/hw/misc/mmio_interface.h | 49 +++++++++++++++
> include/hw/qdev-properties.h | 2 +
> memory.c | 57 +++++++++++++++++
> 8 files changed, 372 insertions(+), 55 deletions(-)
> create mode 100644 hw/misc/mmio_interface.c
> create mode 100644 include/hw/misc/mmio_interface.h
>
- [Qemu-devel] [PATCH V1 7/7] xilinx_spips: allow mmio execution, (continued)
- [Qemu-devel] [PATCH V1 7/7] xilinx_spips: allow mmio execution, fred . konrad, 2017/02/16
- [Qemu-devel] [PATCH V1 5/7] qdev: add MemoryRegion property, fred . konrad, 2017/02/16
- [Qemu-devel] [PATCH V1 3/7] cputlb: fix the way get_page_addr_code fills the tlb, fred . konrad, 2017/02/16
- [Qemu-devel] [PATCH V1 2/7] cputlb: move get_page_addr_code, fred . konrad, 2017/02/16
- [Qemu-devel] [PATCH V1 4/7] exec: allow to get a pointer for some mmio memory region, fred . konrad, 2017/02/16
- [Qemu-devel] [PATCH V1 6/7] introduce mmio_interface, fred . konrad, 2017/02/16
- [Qemu-devel] [PATCH V1 1/7] cputlb: cleanup get_page_addr_code to use VICTIM_TLB_HIT, fred . konrad, 2017/02/16
- Re: [Qemu-devel] [PATCH V1 0/7] execute code from mmio area,
Paolo Bonzini <=
- Re: [Qemu-devel] [PATCH V1 0/7] execute code from mmio area, no-reply, 2017/02/16