36 Commits

Author	SHA1	Message	Date
Stephen Marz	26947251be	Add warnings	2020-05-15 12:32:39 -04:00
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	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	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	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	29100f10ae	Updated comments	2020-04-26 14:05:50 -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	074dc9547a	Now we read ELF files instead of raw binaries	2020-04-26 08:33:49 -04:00
Stephen Marz	58b73e2208	Added tons of comments.	2020-04-25 22:25:32 -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	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	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	c2fb6cf90d	Fix system calls. Size always comes first now, followed by offset.	2020-04-25 14:16:03 -04:00
Stephen Marz	bb74161466	Remove use	2020-04-24 19:58:29 -04:00
Stephen Marz	2eb8acabd7	Remove syscall_exit, kernel processes will return via RA	2020-04-24 19:55:49 -04:00
Stephen Marz	0d924e6fab	Fixed not waking up the process who made the request.	2020-04-24 19:26:44 -04:00
Stephen Marz	4c31f8c563	Add inode number to fs_read	2020-04-24 19:22:27 -04:00
Stephen Marz	8ae5ebb085	Added syscall_block_read and syscall_fs_read.	2020-04-24 18:56:32 -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	a60d84ed98	Start adding block device stuff and file system stuff. Added test for block driver as a process.	2020-04-24 14:39:56 -04:00
Stephen Marz	625df1cf46	Added testing shell, no testing, yet.	2020-04-21 20:30:09 -04:00