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Kernel: Implement serial port driver

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This implements a basic 8250 UART serial port driver. It does not
currently handle (or enable) interrupts, nor any runtime configuration.
This commit is contained in:
Conrad Pankoff 2019-06-08 23:24:34 +10:00 • committed by Andreas Kling
parent 7b04c7dc48
commit 8b1154f5f2
5 changed files with 244 additions and 0 deletions
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4
Kernel/build-root-filesystem.sh
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@ -24,6 +24,10 @@ mknod mnt/dev/tty0 c 4 0
mknod mnt/dev/tty1 c 4 1
mknod mnt/dev/tty2 c 4 2
mknod mnt/dev/tty3 c 4 3
mknod mnt/dev/ttyS0 c 4 64
mknod mnt/dev/ttyS1 c 4 65
mknod mnt/dev/ttyS2 c 4 66
mknod mnt/dev/ttyS3 c 4 67
mknod mnt/dev/random c 1 8
mknod mnt/dev/null c 1 3
mknod mnt/dev/zero c 1 5