On 9/26/07, Alexander Voropay <alec@xxxxxxx> wrote: > <vlad@xxxxxxxxx> wrote: > > >>> - QEMU malta emulation is not really complete, to put it mildly > >> Out of curiosity, what parts did you miss? > > Like, for example, the PCI stuff. So I can use the network card. > > PCI stuff in the QEMU/Malta works fine, but pseudo-bootrom > does not perform PCI enumeration and leaves uninitialized PCI BARs. > > Linux MIPS/Malta 2.4 can not perform PCI enumeration too. The LANCE > Ethernet driver *requres* a pre-initialized BARs. The situation even worse, > since current Linux 2.4 can't be even built with NEW_PCI and PCI_AUTO > options at all (due to linkage error). > > http://www.linux-mips.org/wiki/PCI_Subsystem > > There is the same PCI problem with NetBSD/evbmips and seems VxWorks/Malta. > > > And yes, I am aware of YAMON. > > AFAIK, YAMON may runs on the MIPS hardware only, and may not > be redistribuded in the source or binary form. > > Anyway, YAMON binary does not work on the Qemu/Malta. The Galileo > chip is far more complicated then Qemu emulation. It contains four DMA > channels, four timers e.t.c. e.t.c. > > >> I recommend to improve the Qemu Malta emulation, and make it work with > >> 2.4 Malta kernels. (ISTR it used to work, so it shouldn't need a lot to > >> get there.) > > > > I'm sure that improving the Qemu Malta emulation is a very noble goal, > > but for people that need a working 2.4 kernel NOW, my patch could be > > useful. Having the QEMU target in 2.6 surely helped me. > > The only thing we need is a good bootrom (BIOS) for the MIPS/Malta > (Free-YAMON ;) Someone could port OpenBIOS or LinuxBIOS to MIPS.
