Age | Commit message (Collapse) | Author |
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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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Only perform a TLB shootdown if the number of cores listed is greater
than one.
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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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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The machdep layer already handles this
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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- 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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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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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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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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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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Signed-off-by: Ian Moffett <ian@osmora.org>
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Holding down the caps-lock key would result in the LED blinking rapidly
which is obviously not normal. This commit corrects that behavior.
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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When allocating a kernel stack, ensure it is aligned on a 16-byte
boundary.
Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Halts all other processors except self
Signed-off-by: Ian Moffett <ian@osmora.org>
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Add helper to set vector in a redirection table entry
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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Send SIGSEGV, SIGFPE, etc to the thread instead of panicking if it is running in userland
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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- Remove the SYS_debug syscall
- First syscall starts at 1
Signed-off-by: Ian Moffett <ian@osmora.org>
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It is better to just return a value within the syscall handler and
have that passed down to __syscall() like that
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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Add routine to deallocate resources within the process control block.
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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This commit adds a processor specific routine which sets up the
Process Control Block for a thread
Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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