Drew Galbraith
1db93e5b12
Move PML4 initialization into the VirtualMemory class.
2023-05-30 21:39:19 -07:00
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
7fe6c24aa5
Add a ProcessManager class to store Process objects.
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Trying out a new method for exposing global objects directly via a
variable.
2023-05-29 23:35:44 -07:00
Drew Galbraith
7184f527a0
Jump to user mode.
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This instantly creates a page fault as we always map pages with ring 0
permissions.
2023-05-29 13:06:08 -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