drew
/
acadia
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases 1 Wiki Activity
102 Commits 1 Branch 1 Tag 3.2 MiB
Commit Graph

82 Commits

Author SHA1 Message Date
Drew Galbraith 4e1888bd24 Set eflags properly for jump to userspace 2023-06-12 19:20:42 -07:00
Drew Galbraith 8ac5366882 [zion] Add ability to dump MADT (APIC) tables 2023-06-12 19:17:00 -07:00
Drew Galbraith c35cef65fe Don't mistakenly mask interrupts in user space 2023-06-12 19:01:09 -07:00
Drew Galbraith 30bb10207e Add the Denali disk driver. 
Begin enumerating information from the PCI structure and HBA AHCI
structures.

Currently the PCI structure address is hardcoded but it should be
passed via a capability from the init process in the future.
 2023-06-08 02:36:59 -07:00
Drew Galbraith 47e3d11060 Add a syscall for creating a physical memory VMO 2023-06-08 02:36:47 -07:00
Drew Galbraith 56789400d7 Allow mapping the PCI Config so Yellowstone can map it. 
This is a temp system call. Evemtually we should probably supply the
root process with all of the system physical memory objects.
 2023-06-07 22:45:42 -07:00
Drew Galbraith bd32e85164 Fix race condition in page fault handler. 
We enabled interrupts before getting the value of cr2 in the handler.
If the handler was preempted, cr2 could have been overriden by a page
fault in a separate thread or process.
 2023-06-07 22:24:50 -07:00
Drew Galbraith 3e1e37bf03 Probe RSDP for PCIe Config 2023-06-07 16:24:13 -07:00
Drew Galbraith 4bd7f972c1 Add additional physical memory logging 2023-06-07 16:22:39 -07:00
Drew Galbraith 53ff49b265 Add preprocessor directives to supress logs per file. 
Makes the output much cleaner by default but allows for getting more
infor if debugging in the future.
 2023-06-07 13:51:13 -07:00
Drew Galbraith add533071b Use APIC for interrupts rather than PIC. 
Still rely on the PIT for now rather than the local APIC timer.
 2023-06-07 13:40:36 -07:00
Drew Galbraith 7c9d1075eb Move sys/test to Yellowstone init process. 2023-06-07 11:18:35 -07:00
Drew Galbraith eb04242a59 Add a debug mode for the KernelHeap. 2023-06-07 10:01:22 -07:00
Drew Galbraith 40b21d9c75 [Mammoth] Add Channel object for simple IPC messages 2023-06-07 09:37:16 -07:00
Drew Galbraith a5c4d40575 Refactor error types and error reporting 2023-06-07 08:51:23 -07:00
Drew Galbraith 81b925eea0 Add a basic IPC setup with Channel Object. 
Pass a process a channel endpoint on startup that it will use to
get it's initial capabilities.
 2023-06-07 08:24:10 -07:00
Drew Galbraith b79ec07636 Return Z_OK on all syscall paths 2023-06-07 07:15:25 -07:00
Drew Galbraith 55340e2917 Make Capability RefCounted 2023-06-07 06:21:36 -07:00
Drew Galbraith 6c10c57bfa Mass rename memory object variables. 
Use shorthand:
AddressSpace -> vmas
MemoryObject -> vmmo

The VM prefix makes these a little more distinguishable in code.
 2023-06-07 00:30:26 -07:00
Drew Galbraith e246f28d9c Get the second process elf from a MemoryObject instead of hardcoding. 
Allows us to delete the CopyIntoNonResidentProcess function and simply
rely on the MemoryObject copy functions.
 2023-06-07 00:19:15 -07:00
Drew Galbraith eb454300e6 Move elf loader into the init loader in the kernel 2023-06-07 00:08:21 -07:00
Drew Galbraith 23895b5c6c Spawn Processes using memory primitives rather than and elf loader. 
This allows us to remove the temporary syscall for that style of process
spawn.
 2023-06-07 00:04:53 -07:00
Drew Galbraith b06c76e477 Create a MemoryObject class and use it to load programs. 2023-06-06 21:44:10 -07:00
Drew Galbraith 1fda0f3fae Move VirtualMemory to AddressSpace Object 2023-06-06 20:43:15 -07:00
Drew Galbraith b5ad454ad1 Move Process & Thread to the object folder. 2023-06-06 20:18:53 -07:00
Drew Galbraith 4e278a4664 Make a KernelObject base class for all Capabilities. 2023-06-06 20:13:07 -07:00
Drew Galbraith d358c1d672 Move process be to RefCounted 2023-06-06 19:12:46 -07:00
Drew Galbraith 2e1357255c Create a RefCounted type and use it for Thread. 
This should prevent me from actually creating 2 shared ptrs of
a single kernel object with their separate ref counts.
 2023-06-06 19:05:03 -07:00
Drew Galbraith d9b17d96d7 Cleanup Thread constructor 2023-06-06 18:40:32 -07:00
Drew Galbraith b0c2a6732b Always create threads in CREATED state. 
Simplify the process class to have threads marked as runnable
separately.
 2023-06-06 16:27:25 -07:00
Drew Galbraith ef8eb5d993 Add a threading syscall API. 2023-06-06 16:24:03 -07:00
Drew Galbraith e2aad55a8a Only dump bootloader modules once. 2023-06-06 15:04:34 -07:00
Drew Galbraith a092a57483 Begin defining the process/thread api 2023-06-06 15:01:31 -07:00
Drew Galbraith 69b5cd001f Add a skeleton framework for capabilities. 
Use the first capability to spawn a child process.
 2023-05-30 23:55:42 -07:00
Drew Galbraith 09b8136ef9 Fix formatting on panic 2023-05-30 23:52:50 -07:00
Drew Galbraith 9e3df0ccd0 Add pid/tid to all log messages 2023-05-30 23:22:29 -07:00
Drew Galbraith 2eefda6114 add a class to allocate and manage user space stacks 2023-05-30 22:35:57 -07:00
Drew Galbraith 1db93e5b12 Move PML4 initialization into the VirtualMemory class. 2023-05-30 21:39:19 -07:00
Drew Galbraith f22dd66c8d Manage KernelStacks separately rather than just allocing bytes. 
Create a global KernelStackManager that will handle the relevant allocs.
 2023-05-30 21:28:44 -07:00
Drew Galbraith 3c3341a90f Add a process spawn syscall and use it to start a proc. 
Also add a skeleton VirtualMemory manager to be used per process.
 2023-05-30 20:55:03 -07:00
Drew Galbraith 5bcf1f4e4a Add a second process to be loaded by the bootloader. 2023-05-30 20:54:37 -07:00
Drew Galbraith b9b45c5e45 Add the ability to copy memory to non resident process. 
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 f6609983d2 Move away from using recursive mapping for page tables. 
Having the HHDM-based mapping allows us to more easily map data into
non-resident processes.
 2023-05-30 01:06:01 -07:00
Drew Galbraith c6921b5459 Add validity check in shared ptr 2023-05-30 01:05:50 -07:00
Drew Galbraith de49dcc01a Move scheduler to new global class format. 2023-05-29 23:48:32 -07:00
Drew Galbraith 7fe6c24aa5 Add a ProcessManager class to store Process objects. 
Trying out a new method for exposing global objects directly via a
variable.
 2023-05-29 23:35:44 -07:00
Drew Galbraith b58186265e Split Yield and Preempt into separate scheduling functions. 
This switch makes the logic for each much easier to parse.
 2023-05-29 23:09:39 -07:00
Drew Galbraith 3fee5ac9d7 Rework scheduler to store the current thread separately. 
This works better with the sleep thread and lets us check state
transitions more easily.
 2023-05-29 22:54:22 -07:00
Drew Galbraith 656687b183 Schedule on PIC timer raise. 
This causes a page fault because we don't properly handle the sleep
case.
 2023-05-29 22:32:50 -07:00
Drew Galbraith 496dfeaef9 Update the timer to a more reasonable time slice of 50ms 2023-05-29 22:17:56 -07:00