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289 Commits 3 Branches 4 Tags 6.4 MiB
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289 Commits

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Author SHA1 Message Date
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
3bfab82612 Merge branch 'next' 2020-04-25 16:07:41 -04:00
Stephen Marz
0de9b23b17 Change test and added comments 2020-04-25 16:06:29 -04:00
Stephen Marz
b6b210f5f7 Merge branch 'next' 2020-04-25 15:15:29 -04:00
Stephen Marz
080a529f01 Reading up to indirect pointers 2020-04-25 15:15:25 -04:00
Stephen Marz
17303a0d63 Merge branch 'next' 2020-04-25 14:16:09 -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
374f1f6add Merge branch 'next' 2020-04-24 22:19:45 -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
dedb4ee832 Updates to testing. 2020-04-24 21:04:29 -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