On 2014/8/25 20:22, Peter Maydell wrote: > On 25 August 2014 05:00, john.liuli <john.li...@huawei.com> wrote: >> From: Li Liu <john.li...@huawei.com> >> >> This patchset let qemu can convert dtb file to dts for two demands: >> >> Some archtectures may generate the dtb file dynamically through >> qemu device tree functions. So this let it's possiable to dump final >> dtb to dts and save it as a reference. >> >> For novices to debugging the issues caused by wrong dtb parameters. >> It will be easy to check the dts directly without copying the >> dtb which may be generated by 'dumpdtb' to the PC and dtc or fdtdump >> it. >> >> The outputed dts format is compatile with 'dtc -I dtb -O dts xxx.dtb'. >> There's a new parameter 'dumpdts' which is similar to 'dumpdtb'. so try >> it like '-machine dumpdts=/tmp/xxx.dts'. > > Hi. Thanks for this patchset, but I'm afraid this doesn't > seem to me like something that should be in QEMU. > As you say, you can easily turn the dtb blob into a source file > with dtc. That gets you a definitely-correct disassembly of the > blob, and we don't need to maintain a possibly-buggy > reimplementation of the dtb disassembler in QEMU. > > thanks > -- PMM >
That makes sense. It's mostly used for debugging. Best regards Li. >
