250 Commits

Author	SHA1	Message	Date
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
Stephen Marz	cb06702afa	Act more like Rust by adding _mut() for those functions that return mutable references or pointers.	2020-04-25 19:36:58 -04:00
Stephen Marz	e5f3eb7f6b	Removed mapping the kernel memory into a process' virtual address space.	2020-04-25 19:34:20 -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	018faea21e	Check for a 0 zone before adding to blocks seen.	2020-04-25 16:47:13 -04:00
Stephen Marz	3eb61ad188	Remove redundant variable	2020-04-25 16:41:43 -04:00
Stephen Marz	bb4e2d118a	Minix reads Direct, Indirect, Doubly-indirect, and Triply-indirect zones	2020-04-25 16:39:50 -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	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	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	71702acd43	Added comments and formatted.	2020-04-24 19:30:00 -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	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	8081863709	Fix inits loop. We will use WFI to avoid hogging resources.	2020-04-24 18:48:19 -04:00
Stephen Marz	e0a8be5522	Don't let init sleep. This will cause us to hang in the scheduler.	2020-04-24 18:47:49 -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