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Remove logic to reboot machine by simply pressing a key.
Signed-off-by: Ian Moffett <ian@osmora.org>
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Implement logic to update the date returned by the MC1468XX/RTC chip.
This can be used to later implement some sort of time synchronization
protocol or manual setting of the date.
Signed-off-by: Ian Moffett <ian@osmora.org>
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The year register of the RTC does not keep track of the century so
default to 2000 until we figure out the non-standard century register.
Signed-off-by: Ian Moffett <ian@osmora.org>
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On certain embedded controllers (ECs) like the EC present on the
Thinkpad T420s, writes to the i8042 controller configuration byte
are not very liked by the EC internal logic and thus result in them
asserting an NMI as a certain host bus error. To workaround this, Hyra
falls back to polling on these specific devices. Previously, Hyra did not
have DMI/SMBIOS capabilities and therefore had to rely on assuming *all*
Lenovo devices were "hostile". As of now since we are capable grabbing
the product version from DMI, we can target specific devices like the
T420s and this commit provides that logic.
This commit additionally implements logic to enable interrupts on PS/2
port 0 (aka the keyboard).
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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Replace intr_alloc_vector() with a cleaner and more machine independent
intr_register()
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 a more complete spawn implementation as well as
the SYS_spawn syscall and a libc interface.
Signed-off-by: Ian Moffett <ian@osmora.org>
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Simplicity is divine, fork() may be powerful but is no longer simple. It
became a thing in the late 70s during the early days of UNIX when computing
was simple, when CPUs were only 16-bits, MMUs were not prevalent and RAM was
only 512 KB. However it isn't 1971 anymore, process management, CPUs and memory
architecture has advanced significantly since. This commit ceases work on the
fork() syscall as implementing it would only introduce unnecessary complexity,
security issues, hefty processing overhead and would perpetuate what should
now be considered legacy. The current best alternative would be providing
a form of process spawning as well as a mechanism to wait for the child
process to complete.
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 OBUF_WAIT() and IBUF_WAIT() macros
- Buffer to console input
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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There is no need for an intermediary register before setting %AL. This
commit removes redundant instructions to reduce the amount of cycles
used for this operation.
Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Was supposed to happen on Jan 1, sorry! Happy late new year!
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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