On Mon, Jul 4, 2016 at 5:43 AM, Christian Borntraeger <borntrae...@de.ibm.com> wrote: > On 07/02/2016 03:07 AM, 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=0x8000000e,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). >> >> 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 a new function load_elf_as() >> which allows custom AddressSpaces when loading ELF images. >> >> At the moment I think the AddressSpace loading support is more of an >> RFC. If people agree with the way I'm doing it I will expand the support >> to image types. > > > This looks valuable for s390 as well. > We have "*.ins" files that describe a list of files and its load address. > It is used to move files from the DVD in the hardware management console to > LPAR memory to bootstrap an empty lpar. > > With this libvirt could parse these ins files and emulate this functionality.
Great! I'm glad it is useful for others. Thanks, Alistair > > >> >> V8: >> - Allow custom AddressSpaces when loading images >> - Move ELF architecture handling code >> - Rebase >> - Corrections to loading code >> - Corrections to documentation >> V7: >> - Fix typo in comment >> - Rebase >> V6: >> - Add error checking >> V5: >> - Rebase >> V4: >> - Re-write documentation >> - Allow the loader to work with every architecture >> - Move the file to hw/core >> - Increase the maximum number of CPUs >> - Make the CPU operations conditional >> - Convert the cpu option to cpu-num >> - Require the user to specify endianess >> V2: >> - Add an entry to the maintainers file >> - Add some documentation >> - Perform bounds checking on the data_len >> - Register and unregister the reset in the realise/unrealise >> Changes since RFC: >> - Add support for BE >> >> >> Alistair Francis (5): >> loader: Allow ELF loader to auto-detect the ELF arch >> loader: All a custom SddressSpace when loading ROMs >> loader: Add AddressSpace loading support to ELFs >> generic-loader: Add a generic loader >> docs: Add a generic loader explanation document >> >> MAINTAINERS | 6 ++ >> docs/generic-loader.txt | 60 +++++++++++++ >> hw/core/Makefile.objs | 2 + >> hw/core/generic-loader.c | 177 >> +++++++++++++++++++++++++++++++++++++++ >> hw/core/loader.c | 34 ++++++-- >> include/hw/core/generic-loader.h | 45 ++++++++++ >> include/hw/elf_ops.h | 10 ++- >> include/hw/loader.h | 24 ++++-- >> 8 files changed, 343 insertions(+), 15 deletions(-) >> create mode 100644 docs/generic-loader.txt >> create mode 100644 hw/core/generic-loader.c >> create mode 100644 include/hw/core/generic-loader.h >> > >
