213 Commits

Author	SHA1	Message	Date
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
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	599627b74a	Updated to allow for system calls that change process state	2020-04-24 14:39:33 -04:00
Stephen Marz	e39f6b71c5	Added information for release builds	2020-04-21 20:31:27 -04:00
Stephen Marz	625df1cf46	Added testing shell, no testing, yet.	2020-04-21 20:30:09 -04:00
Stephen Marz	da92f55d1b	Added codegen-units to avoid SEGV	2020-04-21 20:27:13 -04:00
Stephen Marz	8b2b670deb	Add testing shell	2020-04-21 20:25:39 -04:00
Stephen Marz	b3e99659de	Initial fix	2020-04-21 20:23:39 -04:00
Stephen Marz	f9572be05a	Add options in Cargo.toml for lto and optimizer	2020-04-21 20:21:56 -04:00
Stephen Marz	1ae7b115f7	Let's try BUILD.md this way	2020-04-21 20:14:20 -04:00
Stephen Marz	e6d9807c11	Short instructions for building.	2020-04-21 20:13:51 -04:00
Stephen Marz	d1dc1d7b32	Get rid of Makefile, use cargo build and cargo run now.	2020-04-21 19:51:30 -04:00
Stephen Marz	1c329244ce	Use Rust out-of-the-box now that it has full support for RISC-V. We need ... cargo-binutils and so forth to run these. But, for now all we need is to run cargo run and it should invoke qemu for us based on .cargo/config	2020-04-21 19:49:23 -04:00
Stephen Marz	86018d30a3	Added assembly module so that Rust will import RISC-V assembly code ... without using GNU tools	2020-04-21 19:48:19 -04:00
Stephen Marz	aba5fe0e24	Use cargo to build out-of-the-box here.	2020-04-21 19:47:57 -04:00
Stephen Marz	abd3048afa	Use Rust's global_asm to import assembly files	2020-04-21 19:47:38 -04:00
Stephen Marz	4767b6d698	Fixed used index and available index. These are modded by the queue size in the ring only. The index continues to increase until it naturally wraps at the data size	2020-04-12 21:37:06 -04:00
Stephen Marz	fb3a9ccdae	Test block device	2020-03-31 11:41:32 -04:00
Stephen Marz	ce5e8b17b2	Fixed C++ isms when translating to Rust	2020-03-28 21:06:31 -04:00
Stephen Marz	55bcc79736	Added MmioDevice structure to put a structure to the MMIO virtio address space.	2020-03-28 21:05:45 -04:00
Stephen Marz	d2ab4a1ad7	Rename inode to node for a more generic filesystem.	2020-03-18 22:37:12 -04:00
Stephen Marz	61d8ace581	Added more FS stuff.	2020-03-18 22:01:05 -04:00
Stephen Marz	e033feee2b	Documentation says 0x80000, but I left off a zero :( Thanks to QiuhaoLi	2020-03-18 10:41:57 -04:00
Stephen Marz	b39db75cf4	Add fs and minix	2020-03-18 10:40:27 -04:00
Stephen Marz	d6bf3d2685	Remove testing code, change comments	2020-03-16 15:05:04 -04:00
Stephen Marz	40977c2e45	Add global entropy device list	2020-03-16 14:02:28 -04:00
Stephen Marz	4fd36bf898	Move individual chapters, use tags from now on	2020-03-15 20:21:42 -04:00
Stephen Marz	c184aae307	Add rng.rs for ch9 and overall	2020-03-15 20:18:46 -04:00
Stephen Marz	703c2cf5b0	Finish virtio	2020-03-15 20:18:09 -04:00
Stephen Marz	858c838e73	Updates to power of two ring size	2020-03-15 11:11:59 -04:00
Stephen Marz	973ec7449b	Added comments to describe functions and enumerations. Also, assumptions have been spelled out.	2020-03-15 11:09:01 -04:00
Stephen Marz	ea4c8ae9c2	Shortened some code using Rust	2020-03-13 21:45:13 -04:00
Stephen Marz	50df049fbb	I messed up the header size, which is why writes failed	2020-03-13 20:01:02 -04:00
Stephen Marz	a6c0ff96fe	Remove mepc, satp, and pid, we get these from the frame address	2020-03-13 19:38:31 -04:00
Stephen Marz	4487295308	Remove frame extraction	2020-03-13 19:38:06 -04:00
Stephen Marz	c3e7451997	Change trap frame structure to new function, and added quantum multiplier	2020-03-13 19:37:44 -04:00
Stephen Marz	f881eacf26	Remove unused imports, status isn't currently being used in trap, and removed unsafe from trap 7	2020-03-13 19:37:21 -04:00