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Signed-off-by: Ian Moffett <ian@osmora.org>
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This commit introduces the kernel message buffer and makes system
messages no longer be written to the TTY after kernel init. The kernel
message buffer can be read from /proc/kmsg
Signed-off-by: Ian Moffett <ian@osmora.org>
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"LAPIC-TMR" seems cleaner than "APICTMR"
Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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The machdep layer already handles this
Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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- Introduce dynamic scheduling policy
- Introduce MLFQ scheduling
- Clean up a lot of code
Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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The lock should be aligned on a cache line boundary so it isn't in a
cache line with other data. This is important for 'tdq_lock' as it is
used by every processor which constantly acquires and releases it. This
alignment can reduce how violently cache lines bounce between processor
local caches.
Signed-off-by: Ian Moffett <ian@osmora.org>
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- Fix copying logic in tty_read()
- Handle ICANON correctly
- Add ECHO c_lflag bit
- Add TTY_SOURCE_DEV and TTY_SOURCE_RAW defines
Signed-off-by: Ian Moffett <ian@osmora.org>
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Only process output in vcons_putstr()
Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Add basic handling for canonical mode
Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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The kernel will be configured by a per-arch config file. The config file
for the AMD64 port exists at sys/arch/amd64/conf/GENERIC
Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Check for a valid CPU structure and ensure the Local APIC base address
has been set before trying to broadcast IPIs
Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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machine_panic() handles things like backtracing, beeping the speaker and
halting the processor.
Signed-off-by: Ian Moffett <ian@osmora.org>
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