On 14/03/19 14:03, David Abdurachmanov wrote: > Would it be enough to modify ./default-configs/riscv32-softmmu.mak by > adding: > > CONFIG_PCIE_PORT=n
The missing dependency is for any board that doesn't support MSI, not just RISC-V. Note that technically what we do with msi_nonbroken makes no sense from the PCI point of view. An "MSI" is just a memory write so there is no such thing as a device that doesn't work because the board doesn't support MSI; it should be up to the OS not to configure MSI unless it knows the interrupt controller can be set up as a destination for MSIs. The driver in the OS then can choose to use level-triggered interrupts (INTX) instead, or it can refuse to load. At least, this is how QEMU *should* work. However, we started doing this msi_nonbroken thing, and therefore, since we can model it correctly with Kconfig and obtain the same results as pre-Kconfig, it's a better way to do it. Paolo
