273 Commits

Author	SHA1	Message	Date
Stephen Marz	3dd49c615e	Use global cache. fs::init will now check to see if the global cache is good or not. If it is already good, do nothing, otherwise cache the inodes.	2020-05-15 12:29:59 -04:00
Stephen Marz	8e414c62be	Use Result instead of Option with LoadErrors	2020-05-15 12:11:28 -04:00
Stephen Marz	4a9aa3f658	Add comments	2020-05-15 12:05:18 -04:00
Stephen Marz	33f701e7ca	Formatted elf.rs	2020-05-15 12:03:24 -04:00
Stephen Marz	1de325b325	Add load_proc to load an ELF and give a process.	2020-05-15 12:01:03 -04:00
Stephen Marz	c74316adb5	Added ELF loader in elf.rs	2020-05-15 11:46:51 -04:00
Stephen Marz	bb4f3bc0a6	Move BlockBuffer to buffer.rs and renamed to Buffer.	2020-05-15 11:46:42 -04:00
Stephen Marz	f781c511f4	Let Rust figure out the data type String	2020-05-15 11:12:07 -04:00
Stephen Marz	9d6ee9fb35	Added comments and shrunk string	2020-05-15 11:11:20 -04:00
Stephen Marz	69c7e6c390	Reformatted	2020-05-15 11:00:51 -04:00
Stephen Marz	e1b2150f1b	Reduce stack size to 5 pages	2020-05-15 10:54:02 -04:00
Stephen Marz	f8fad1804f	Updated file string to avoid creating strings twice in test.	2020-05-15 10:40:37 -04:00
Stephen Marz	5b5e5d9e2b	Fix warnings	2020-05-15 10:37:40 -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	ea33bfe629	Added starting point for GPU code.	2020-05-15 10:34:22 -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	30fcd7894a	Change lock to try_lock to better align with Rust's verbiage	2020-04-27 09:46:59 -04:00
Stephen Marz	d49ea6e040	Changed formatting settings.	2020-04-26 22:12:00 -04:00
Stephen Marz	532b246f7b	Added locking to the scheduler. Since this is invoked so often, it causes a race with the test_elf process.	2020-04-26 21:08:29 -04:00
Stephen Marz	ef0997be74	Add documentation for Mutex	2020-04-26 20:28:20 -04:00
Stephen Marz	a1f9d2c6cd	Add Mutex to process list.	2020-04-26 20:11:01 -04:00
Stephen Marz	03018cb55f	Removed warnings	2020-04-26 15:55:22 -04:00
Stephen Marz	7dfe0b8182	Run cargo fix	2020-04-26 15:53:26 -04:00
Stephen Marz	3d43bbd93c	asm is deprecated in Rust as my compiler warned me. So, let's switch to llvm_asm	2020-04-26 15:52:08 -04:00
Stephen Marz	591f0fdff8	Get rid of useless header.	2020-04-26 14:58:28 -04:00
Stephen Marz	29100f10ae	Updated comments	2020-04-26 14:05:50 -04:00
Stephen Marz	af29a0d267	Removed make_hdd.sh, it stores random bytes, now we have a filesystem	2020-04-26 13:55:08 -04:00
Stephen Marz	d62d3f3816	Added more rigorous test, fixed bug in ELF loader	2020-04-26 09:26:41 -04:00
Stephen Marz	bc6ef9d689	Fixed ELF loader and added offset.	2020-04-26 09:19:07 -04:00
Stephen Marz	8f61253aea	Removed old code and added comments.	2020-04-26 08:51:25 -04:00
Stephen Marz	cc3b78973c	Rearranged code, added comments.	2020-04-26 08:43:03 -04:00
Stephen Marz	42c14bf930	Check and use permission bits in ELF for user pages.	2020-04-26 08:40:43 -04:00
Stephen Marz	fa1a728bd9	Changed to run test_elf for ELF files	2020-04-26 08:34:00 -04:00
Stephen Marz	074dc9547a	Now we read ELF files instead of raw binaries	2020-04-26 08:33:49 -04:00
Stephen Marz	de97ebf12d	Added ELF structures for reading ELF files.	2020-04-26 08:33:25 -04:00
Stephen Marz	06894d3aff	Move BlockBuffer into fs.	2020-04-26 07:12:38 -04:00
Stephen Marz	25009aaa3c	Fixed bug in locating the inode.	2020-04-26 07:12:27 -04:00
Stephen Marz	fac882ea73	Clean up scheduler code.	2020-04-25 23:27:00 -04:00
Stephen Marz	fd9c9449b0	Allow sleeping processes that are awoken to immediately execute.	2020-04-25 23:26:14 -04:00
Stephen Marz	60edb9f72a	Remove the dumb done flag.	2020-04-25 23:24:55 -04:00
Stephen Marz	58b73e2208	Added tons of comments.	2020-04-25 22:25:32 -04:00
Stephen Marz	b8029e76ac	Make helloworld.cpp print a pointer so we can see how we directly affect ... the stack.	2020-04-25 21:44:11 -04:00
Stephen Marz	f771883cb0	Added satp_fence. Probably don't need this since we don't reuse pids.	2020-04-25 21:44:05 -04:00
Stephen Marz	eab4a20a61	Added calculations to helloworld	2020-04-25 21:35:32 -04:00
Stephen Marz	0c649f5370	Change wording of helloworld.cpp so it's recognizable when printed to the screen.	2020-04-25 21:24:21 -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