Drew Galbraith
3c3341a90f
Add a process spawn syscall and use it to start a proc.
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Also add a skeleton VirtualMemory manager to be used per process.
2023-05-30 20:55:03 -07:00
Drew Galbraith
b9b45c5e45
Add the ability to copy memory to non resident process.
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Use/Test this by loading the user space elf from the kernel process
before it starts rather than as a part of the first thread.
This simplifies thread start a fair bit.
2023-05-30 01:27:47 -07:00
Drew Galbraith
80d2bf1aaa
Move Processes and Threads to be stored in SharedPtr
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Reference counting lets us pass these around a bit more easily.
SharedPtr was lightly tested using uint64_t in the main zion funcion.
Also add a sleep functionality instead of panicking. Functionally the
same right now since we don't preempt.
2023-05-29 15:50:38 -07:00
Drew Galbraith
9f3ffbf5b4
Move Process to storing Threads in a linked list.
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This should really be a vector or hashmap of some sort but this is fine
for now.
2023-05-29 15:08:02 -07:00
Drew Galbraith
a06c9dced4
Add thread and process states.
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Add a thread exit call.
2023-05-29 13:51:03 -07:00
Drew Galbraith
aefb4f082b
Add a kernel ELF module and load it in a new process.
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Don't yet jump to userspace.
2023-05-29 00:32:54 -07:00
Drew Galbraith
0d275c72a1
Have processes enqueue their own threads
2023-05-18 13:28:22 -07:00
Drew Galbraith
cb41953354
Scheduler with working threads.
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Currently only one process but it is a start.
2023-05-18 13:24:02 -07:00
Drew Galbraith
960cbf9519
Add Scheduler wireframe.
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Right now does nothing but has containing classes for process and thread
information.
2023-05-18 12:43:53 -07:00
Drew Galbraith