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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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boot.c | ||
head_32.S | ||
Kconfig | ||
Makefile |