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Re: [Qemu-devel] [PATCH V1 0/7] execute code from mmio area
From: |
Frederic Konrad |
Subject: |
Re: [Qemu-devel] [PATCH V1 0/7] execute code from mmio area |
Date: |
Thu, 16 Feb 2017 15:41:23 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.2 |
On 02/16/2017 03:39 PM, Paolo Bonzini wrote:
>
>
> 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?
>
oops sorry *mmio_interface* is used in patch 4.
Thanks,
Fred
> 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 0/7] execute code from mmio area, fred . konrad, 2017/02/16
- [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, 2017/02/16
- Re: [Qemu-devel] [PATCH V1 0/7] execute code from mmio area, no-reply, 2017/02/16