Alistair Francis <[email protected]> writes: > 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
I know it's way too late for design questions, but the thought just occured to me: -device gives you what you need without defining yet another command line option (good!), but is it appropriate? It's not exactly a device... Would -object be a better fit? I honestly don't know. Paolo? If this question leads to changes, they can be done on top. > 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.
