24 Commits

Author	SHA1	Message	Date
Stephen Marz	c649947707	Added Registers to CPU so we don't have to hardcode the register number. This makes it easier to read and figure out what's happening	2020-05-15 12:48:05 -04:00
Stephen Marz	6367e064cf	Reworked file system, still much to do, however, now we can get a file by its name instead of inode number.	2020-05-15 10:34:37 -04:00
Stephen Marz	723963e1ec	Resolved	2020-05-01 19:11:42 -04:00
Stephen Marz	21f16b4754	Resolved	2020-05-01 19:10:56 -04:00
Stephen Marz	6cd64c84bf	Do not spin lock in an interrupt context, and also add feedback to the caller.	2020-05-01 19:02:58 -04:00
Stephen Marz	fe5a909335	Create a system call to add a process to prevent data race with the process list.	2020-05-01 18:59:38 -04:00
Stephen Marz	a1f9d2c6cd	Add Mutex to process list.	2020-04-26 20:11:01 -04:00
Stephen Marz	1627cc7733	Read and start a process...Added userspace library...will switch this to newlib later.	2020-04-25 21:23:00 -04:00
Stephen Marz	cbff6afeca	Added comments.	2020-04-25 19:51:27 -04:00
Stephen Marz	84e5126d29	Added formatting, made syscall.rs clearer to read.	2020-04-25 18:48:23 -04:00
Stephen Marz	056ef5bb2d	Added dump_registers as syscall 1--for debugging purposes.	2020-04-25 18:25:18 -04:00
Stephen Marz	d86c65a380	Added comments and removed llvm_asm -- it looks like I'll have to use this in the future	2020-04-25 17:34:06 -04:00
Stephen Marz	0de9b23b17	Change test and added comments	2020-04-25 16:06:29 -04:00
Stephen Marz	080a529f01	Reading up to indirect pointers	2020-04-25 15:15:25 -04:00
Stephen Marz	787f886b6f	Clean up code, added deleting a process if a user process causes a fault.	2020-04-24 22:19:41 -04:00
Stephen Marz	71702acd43	Added comments and formatted.	2020-04-24 19:30:00 -04:00
Stephen Marz	4c31f8c563	Add inode number to fs_read	2020-04-24 19:22:27 -04:00
Stephen Marz	a113db700a	Added RA to call syscall_exit for kernel processes.	2020-04-24 19:16:45 -04:00
Stephen Marz	8ae5ebb085	Added syscall_block_read and syscall_fs_read.	2020-04-24 18:56:32 -04:00
Stephen Marz	58ab3f3b6f	Don't let init sleep. This will cause us to hang in the scheduler.	2020-04-24 18:46:31 -04:00
Stephen Marz	73636c1de1	Updates to add a process for a file system read in the system call.	2020-04-24 18:37:48 -04:00
Stephen Marz	2e48b86656	Auto-drop processes, and added delete process.	2020-04-24 15:22:57 -04:00
Stephen Marz	599627b74a	Updated to allow for system calls that change process state	2020-04-24 14:39:33 -04:00
Stephen Marz	c184aae307	Add rng.rs for ch9 and overall	2020-03-15 20:18:46 -04:00