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Re: [Qemu-devel] [PATCH V2 0/7] execute code from mmio area
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] [PATCH V2 0/7] execute code from mmio area |
Date: |
Fri, 3 Mar 2017 13:53:21 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.7.0 |
On 21/02/2017 09:51, KONRAD Frederic wrote:
> Ping!
>
> Would be nice for us if we can get this into 2.9.
Sorry, I've been much busier with icount than I would have liked. :(
Paolo
> Thanks,
> Fred
>
> Le 17/02/2017 à 21:17, address@hidden a écrit :
>> 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.
>>
>> Thanks,
>> Fred
>>
>> V1 -> V2:
>> * Fix the DPRINTF error.
>> 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
>>