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3 Commits

Author SHA1 Message Date
Marcin Undak
3cc5752a69 Kernel: Refactor Aarch64 MailBox class 
The goal was to reduce common setup of messages. Changes:
* MailBox turned into singleton to follow existing patterns
* Removed device specific messages from MailBox requiring
  clients to know the details instead
* Created base Message class which clients should deriver from

It really simplify the usage for more complicated message queues
like framebuffer setup - see followup commits.
 2021-10-31 12:35:53 +01:00
Nico Weber
44c787e88b Kernel: Add Mailbox::set_clock_rate() 2021-09-26 23:14:01 +00:00
Nico Weber
697e6ccb89 Kernel: Add a Mailbox class for aarch64 
As a demo, query the firmware version. `Meta/serenity.sh gdb aarch64`
can be used to observe that qemu puts 0x548E1 in x0 in response
to this mailbox message.
 2021-09-19 17:45:59 +02:00