drew
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  • Joined on 2023-03-07
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drew pushed to main at drew/acadia 2023-06-07 10:49:06 -07:00
d6ba336b83 Add a libcxx with a new operator
dcc05f2741 Add a libc skeleton with a primitive malloc.
eb04242a59 Add a debug mode for the KernelHeap.
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drew pushed to main at drew/acadia 2023-06-07 09:38:38 -07:00
40b21d9c75 [Mammoth] Add Channel object for simple IPC messages
65439c163a Compile sys libraries without exceptions.
3243b6024b Update init bg script to inclue AR
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drew pushed to main at drew/acadia 2023-06-07 08:52:42 -07:00
a5c4d40575 Refactor error types and error reporting
81b925eea0 Add a basic IPC setup with Channel Object.
b79ec07636 Return Z_OK on all syscall paths
55340e2917 Make Capability RefCounted
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drew pushed to main at drew/acadia 2023-06-07 00:32:27 -07:00
6c10c57bfa Mass rename memory object variables.
a8a4f8d9ab Add checks to mammoth thread lib
e246f28d9c Get the second process elf from a MemoryObject instead of hardcoding.
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drew pushed to main at drew/acadia 2023-06-07 00:09:19 -07:00
eb454300e6 Move elf loader into the init loader in the kernel
23895b5c6c Spawn Processes using memory primitives rather than and elf loader.
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drew pushed to main at drew/acadia 2023-06-06 21:46:51 -07:00
b06c76e477 Create a MemoryObject class and use it to load programs.
1fda0f3fae Move VirtualMemory to AddressSpace Object
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drew pushed to main at drew/acadia 2023-06-06 20:20:09 -07:00
b5ad454ad1 Move Process & Thread to the object folder.
4e278a4664 Make a KernelObject base class for all Capabilities.
d358c1d672 Move process be to RefCounted
2e1357255c Create a RefCounted type and use it for Thread.
d9b17d96d7 Cleanup Thread constructor
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drew pushed to main at drew/acadia 2023-06-06 16:57:37 -07:00
174d4b10fb Move threading calls into a basic user space library.
b0c2a6732b Always create threads in CREATED state.
ef8eb5d993 Add a threading syscall API.
e2aad55a8a Only dump bootloader modules once.
a092a57483 Begin defining the process/thread api
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drew pushed to main at drew/acadia 2023-05-31 00:04:31 -07:00
e3661e7848 Add LICENSE and README
drew pushed to main at drew/acadia 2023-05-30 23:58:13 -07:00
69b5cd001f Add a skeleton framework for capabilities.
09b8136ef9 Fix formatting on panic
69c73a9386 Add a qemu mode that dumps interrupt info.
9e3df0ccd0 Add pid/tid to all log messages
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drew pushed to main at drew/acadia 2023-05-30 22:36:47 -07:00
2eefda6114 add a class to allocate and manage user space stacks
1db93e5b12 Move PML4 initialization into the VirtualMemory class.
f22dd66c8d Manage KernelStacks separately rather than just allocing bytes.
3c3341a90f Add a process spawn syscall and use it to start a proc.
5bcf1f4e4a Add a second process to be loaded by the bootloader.
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drew pushed to main at drew/acadia 2023-05-30 01:29:36 -07:00
b9b45c5e45 Add the ability to copy memory to non resident process.
f6609983d2 Move away from using recursive mapping for page tables.
c6921b5459 Add validity check in shared ptr
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drew pushed to main at drew/acadia 2023-05-29 23:51:56 -07:00
de49dcc01a Move scheduler to new global class format.
7fe6c24aa5 Add a ProcessManager class to store Process objects.
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drew pushed to main at drew/acadia 2023-05-29 23:11:34 -07:00
b58186265e Split Yield and Preempt into separate scheduling functions.
3fee5ac9d7 Rework scheduler to store the current thread separately.
656687b183 Schedule on PIC timer raise.
496dfeaef9 Update the timer to a more reasonable time slice of 50ms
9869d1022a Mask all interrupts on the master PIC except the timer.
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drew pushed to main at drew/acadia 2023-05-29 15:53:06 -07:00
80d2bf1aaa Move Processes and Threads to be stored in SharedPtr
9f3ffbf5b4 Move Process to storing Threads in a linked list.
5cab9f843e Move process list to a linked list.
71196dc90f Move scheduler threads to a linked list implementation.
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drew pushed to main at drew/acadia 2023-05-29 13:52:18 -07:00
a06c9dced4 Add thread and process states.
drew pushed to main at drew/acadia 2023-05-29 13:09:33 -07:00
8d87791fa2 Differentiate syscall handler by number.
6f5b65de30 Map user pages in the proper mode.
7184f527a0 Jump to user mode.
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drew pushed to main at drew/acadia 2023-05-29 00:35:01 -07:00
aefb4f082b Add a kernel ELF module and load it in a new process.
f86bbe6ea9 Wireframe for syscalls in place
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drew pushed to main at drew/acadia 2023-05-18 13:57:28 -07:00
d3024211a7 Cycle through multiple tasks in multiple processes
7a3b4d2d42 Add true page fault handler.
0d275c72a1 Have processes enqueue their own threads
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drew pushed to main at drew/acadia 2023-05-18 13:27:41 -07:00
cb41953354 Scheduler with working threads.
960cbf9519 Add Scheduler wireframe.
de2c96b848 Internal many paging_util functions.
fa2bb4df89 Added a PhysicalMemoryManager class.
4380590af2 Add new and delete operator implementations to the kernel heap.
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