Re: [Qemu-devel] [PATCH v13 0/2] Add a generic loader

2016-09-29 Thread Peter Maydell
On 29 September 2016 at 17:25, Alistair Francis
 wrote:
> This work is based on the original work by Li Guang with extra
> features added by Peter C and myself.
>
> The idea of this loader is to allow the user to load multiple images
> or values into QEMU at startup.
>
> Memory values can be loaded like this: -device 
> loader,addr=0xfd1a0104,data=0x800e,data-len=4
>
> Images can be loaded like this: -device loader,file=./images/u-boot.elf,cpu=0
>
> This can be useful and we use it a lot in Xilinx to load multiple images
> into a machine at creation (ATF, Kernel and DTB for example).
>
> Tested with the latest Xilinx ZynqMP machine, if I enable EL3 and EL2 I can
> boot ATF through to u-boot using the loader to load the images.
>
> It can also be used to set registers.
>
> This patch series makes the load_elf() function more generic by not
> requiring an architecture. It also adds new functions load_elf_as(),
> load_uimage_as and load_image_targphys_as which allows custom
> AddressSpaces when loading images.
>
> V12:
>  - All patches have been reviewed
>  - Most patches have been merged
>  - The commit message of the actual device patch has been updated to
>justify why it is a device.
>
>
> Alistair Francis (2):
>   generic-loader: Add a generic loader
>   docs: Add a generic loader explanation document

Applied to target-arm.next, thanks.

-- PMM



[Qemu-devel] [PATCH v13 0/2] Add a generic loader

2016-09-29 Thread Alistair Francis
This work is based on the original work by Li Guang with extra
features added by Peter C and myself.

The idea of this loader is to allow the user to load multiple images
or values into QEMU at startup.

Memory values can be loaded like this: -device 
loader,addr=0xfd1a0104,data=0x800e,data-len=4

Images can be loaded like this: -device loader,file=./images/u-boot.elf,cpu=0

This can be useful and we use it a lot in Xilinx to load multiple images
into a machine at creation (ATF, Kernel and DTB for example).

Tested with the latest Xilinx ZynqMP machine, if I enable EL3 and EL2 I can
boot ATF through to u-boot using the loader to load the images.

It can also be used to set registers.

This patch series makes the load_elf() function more generic by not
requiring an architecture. It also adds new functions load_elf_as(),
load_uimage_as and load_image_targphys_as which allows custom
AddressSpaces when loading images.

V12:
 - All patches have been reviewed
 - Most patches have been merged
 - The commit message of the actual device patch has been updated to
   justify why it is a device.


Alistair Francis (2):
  generic-loader: Add a generic loader
  docs: Add a generic loader explanation document

 MAINTAINERS  |   6 ++
 docs/generic-loader.txt  |  84 
 hw/core/Makefile.objs|   2 +
 hw/core/generic-loader.c | 211 +++
 include/hw/core/generic-loader.h |  46 +
 5 files changed, 349 insertions(+)
 create mode 100644 docs/generic-loader.txt
 create mode 100644 hw/core/generic-loader.c
 create mode 100644 include/hw/core/generic-loader.h

-- 
2.7.4