On 19/10/2019 17:31, Marty E. Plummer wrote: > On Sat, Oct 19, 2019 at 03:46:59PM +0200, Cédric Le Goater wrote: >> On 18/10/2019 19:28, Marty E. Plummer wrote: >>> Hello, >>> >>> First off, thank you for the work you've done on the ppc64 support, it >>> has been very useful. I'm currently working on a coreboot port for the >>> talos ii line of systems (which means more ppc64 support, support >>> specifically for the power9 sforza chip, and specific mainboard support. >>> My plate is very full lol) and have been using qemu to debug the >>> bootblock. >>> >>> It has been very useful for that, but I'm now at the point where I need >>> to jump to romstage, and that's where it gets tricky. qemu parses the rom >>> image and looks for a ffs header, locates skiboot on it, and jumps straight >>> to that. Not exactly ideal for debugging something not produced from >>> op-build. >> >> yes. I suppose you are using my branch powernv-4.2 which adds PNOR support >> and a way to boot directly from PNOR. In that case, QEMU parses the PNOR >> file to extract the PAYLOAD partition (skiboot). skiboot also detects the >> flash and extract the kernel and initramfs from the PNOR. >> >> However, you can bypass all this internal boot process by simply passing >> a -bios option and not passing a MTD device. >> > Doing so gives me the following error: > qemu-system-ppc64: Could not load OPAL firmware 'build/coreboot.rom' > (this is after I patched the 4mb size limit up)
Could you make that rom available ? Thanks, C.
