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Kernel: Implement a naive version of virtconsole by memcpying to physical page

This patch allocates a physical page for each of the virtqueues and
memcpys to it when receiving a buffer to get a physical, aligned
contiguous buffer as required by the virtio specification.

Co-authored-by: Sahan <sahan.h.fernando@gmail.com>
This commit is contained in:
Idan Horowitz 2021-04-15 19:22:02 +10:00 committed by Andreas Kling
parent 42b1eb5af1
commit ecfa7cb824
8 changed files with 35 additions and 18 deletions

View file

@ -53,7 +53,10 @@ $SERENITY_EXTRA_QEMU_ARGS
-drive file=${SERENITY_DISK_IMAGE},format=raw,index=0,media=disk
-device ich9-ahci
-usb
-debugcon stdio
-device virtio-serial
-chardev stdio,id=stdout,mux=on
-device virtconsole,chardev=stdout
-device isa-debugcon,chardev=stdout
-soundhw pcspk
-device sb16
"