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authorRusty Russell <rusty@rustcorp.com.au>2015-02-11 15:26:01 +1030
committerRusty Russell <rusty@rustcorp.com.au>2015-02-11 16:47:44 +1030
commita561adfaecc9eb6fb66941b450458801f3f60ca0 (patch)
treefc4bb1870df410e832adb8e321b6a2417706b33d /tools
parent713e3f72244cb67fe1ad5c82a061c0b1be2f2fc5 (diff)
lguest: use the PCI console device's emerg_wr for early boot messages.
This involves manually checking the console device (which is always in slot 1 of bus 0) and using the window in VIRTIO_PCI_CAP_PCI_CFG to program it (as we can't map the BAR yet). We could in fact do this much earlier, but we wait for the first write from the virtio_cons_early_init() facility. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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