Hi, Am 13.03.2012 13:23, schrieb Wanpeng Li: > I am confused with what's the meaning of main-system-bus, it emulates > physical bus like FSB(front side bus) or just a virtual bus as the root > of device tree.
The latter. It's an artificial construct that was needed for tree-oriented qdev and is likely to go away with QOM (there is no real bus state, just a convient extension of device for mmio+irqs). HTH, Andreas -- SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer; HRB 16746 AG Nürnberg
