forked from luck/tmp_suning_uos_patched
19f1537b7b
This makes lguest able to use the virtio devices. We change the device descriptor page from a simple array to a variable length "type, config_len, status, config data..." format, and implement virtio_config_ops to read from that config data. We use the virtio ring implementation for an efficient Guest <-> Host virtqueue mechanism, and the new LHCALL_NOTIFY hypercall to kick the host when it changes. We also use LHCALL_NOTIFY on kernel addresses for very very early console output. We could have another hypercall, but this hack works quite well. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
22 lines
786 B
Makefile
22 lines
786 B
Makefile
# Guest requires the device configuration and probing code.
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obj-$(CONFIG_LGUEST_GUEST) += lguest_device.o
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# Host requires the other files, which can be a module.
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obj-$(CONFIG_LGUEST) += lg.o
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lg-y = core.o hypercalls.o page_tables.o interrupts_and_traps.o \
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segments.o lguest_user.o
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lg-$(CONFIG_X86_32) += x86/switcher_32.o x86/core.o
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Preparation Preparation!: PREFIX=P
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Guest: PREFIX=G
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Drivers: PREFIX=D
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Launcher: PREFIX=L
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Host: PREFIX=H
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Switcher: PREFIX=S
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Mastery: PREFIX=M
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Beer:
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@for f in Preparation Guest Drivers Launcher Host Switcher Mastery; do echo "{==- $$f -==}"; make -s $$f; done; echo "{==-==}"
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Preparation Preparation! Guest Drivers Launcher Host Switcher Mastery:
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@sh ../../Documentation/lguest/extract $(PREFIX) `find ../../* -name '*.[chS]' -wholename '*lguest*'`
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