Stephen Marz
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fac882ea73
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Clean up scheduler code.
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2020-04-25 23:27:00 -04:00 |
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Stephen Marz
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fd9c9449b0
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Allow sleeping processes that are awoken to immediately execute.
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2020-04-25 23:26:14 -04:00 |
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Stephen Marz
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60edb9f72a
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Remove the dumb done flag.
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2020-04-25 23:24:55 -04:00 |
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Stephen Marz
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58b73e2208
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Added tons of comments.
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2020-04-25 22:25:32 -04:00 |
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Stephen Marz
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b8029e76ac
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Make helloworld.cpp print a pointer so we can see how we directly affect
the stack.
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2020-04-25 21:44:11 -04:00 |
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Stephen Marz
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f771883cb0
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Added satp_fence. Probably don't need this since we don't reuse pids.
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2020-04-25 21:44:05 -04:00 |
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Stephen Marz
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eab4a20a61
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Added calculations to helloworld
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2020-04-25 21:35:32 -04:00 |
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Stephen Marz
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0c649f5370
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Change wording of helloworld.cpp so it's recognizable when printed to the screen.
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2020-04-25 21:24:21 -04:00 |
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Stephen Marz
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1627cc7733
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Read and start a process...Added userspace library...will switch this to newlib later.
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2020-04-25 21:23:00 -04:00 |
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Stephen Marz
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cbff6afeca
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Added comments.
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2020-04-25 19:51:27 -04:00 |
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Stephen Marz
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cb06702afa
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Act more like Rust by adding _mut() for those functions that return mutable references or pointers.
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2020-04-25 19:36:58 -04:00 |
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Stephen Marz
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e5f3eb7f6b
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Removed mapping the kernel memory into a process' virtual address space.
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2020-04-25 19:34:20 -04:00 |
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Stephen Marz
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84e5126d29
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Added formatting, made syscall.rs clearer to read.
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2020-04-25 18:48:23 -04:00 |
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Stephen Marz
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056ef5bb2d
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Added dump_registers as syscall 1--for debugging purposes.
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2020-04-25 18:25:18 -04:00 |
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Stephen Marz
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d86c65a380
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Added comments and removed llvm_asm -- it looks like I'll have to use this in the future
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2020-04-25 17:34:06 -04:00 |
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Stephen Marz
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018faea21e
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Check for a 0 zone before adding to blocks seen.
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2020-04-25 16:47:13 -04:00 |
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Stephen Marz
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3eb61ad188
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Remove redundant variable
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2020-04-25 16:41:43 -04:00 |
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Stephen Marz
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bb4e2d118a
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Minix reads Direct, Indirect, Doubly-indirect, and Triply-indirect zones
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2020-04-25 16:39:50 -04:00 |
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Stephen Marz
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0de9b23b17
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Change test and added comments
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2020-04-25 16:06:29 -04:00 |
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Stephen Marz
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080a529f01
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Reading up to indirect pointers
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2020-04-25 15:15:25 -04:00 |
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Stephen Marz
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c2fb6cf90d
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Fix system calls. Size always comes first now, followed by offset.
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2020-04-25 14:16:03 -04:00 |
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Stephen Marz
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787f886b6f
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Clean up code, added deleting a process if a user process causes a fault.
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2020-04-24 22:19:41 -04:00 |
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Stephen Marz
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bb74161466
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Remove use
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2020-04-24 19:58:29 -04:00 |
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Stephen Marz
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2eb8acabd7
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Remove syscall_exit, kernel processes will return via RA
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2020-04-24 19:55:49 -04:00 |
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Stephen Marz
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71702acd43
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Added comments and formatted.
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2020-04-24 19:30:00 -04:00 |
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Stephen Marz
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0d924e6fab
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Fixed not waking up the process who made the request.
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2020-04-24 19:26:44 -04:00 |
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Stephen Marz
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4c31f8c563
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Add inode number to fs_read
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2020-04-24 19:22:27 -04:00 |
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Stephen Marz
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a113db700a
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Added RA to call syscall_exit for kernel processes.
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2020-04-24 19:16:45 -04:00 |
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Stephen Marz
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8ae5ebb085
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Added syscall_block_read and syscall_fs_read.
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2020-04-24 18:56:32 -04:00 |
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Stephen Marz
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8081863709
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Fix inits loop. We will use WFI to avoid hogging resources.
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2020-04-24 18:48:19 -04:00 |
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Stephen Marz
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e0a8be5522
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Don't let init sleep. This will cause us to hang in the scheduler.
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2020-04-24 18:47:49 -04:00 |
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Stephen Marz
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58ab3f3b6f
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Don't let init sleep. This will cause us to hang in the scheduler.
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2020-04-24 18:46:31 -04:00 |
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Stephen Marz
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73636c1de1
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Updates to add a process for a file system read in the system call.
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2020-04-24 18:37:48 -04:00 |
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Stephen Marz
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2e48b86656
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Auto-drop processes, and added delete process.
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2020-04-24 15:22:57 -04:00 |
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Stephen Marz
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a60d84ed98
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Start adding block device stuff and file system stuff. Added test for block driver as a process.
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2020-04-24 14:39:56 -04:00 |
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Stephen Marz
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599627b74a
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Updated to allow for system calls that change process state
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2020-04-24 14:39:33 -04:00 |
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Stephen Marz
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e39f6b71c5
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Added information for release builds
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2020-04-21 20:31:27 -04:00 |
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Stephen Marz
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625df1cf46
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Added testing shell, no testing, yet.
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2020-04-21 20:30:09 -04:00 |
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Stephen Marz
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da92f55d1b
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Added codegen-units to avoid SEGV
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2020-04-21 20:27:13 -04:00 |
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Stephen Marz
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8b2b670deb
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Add testing shell
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2020-04-21 20:25:39 -04:00 |
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Stephen Marz
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b3e99659de
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Initial fix
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2020-04-21 20:23:39 -04:00 |
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Stephen Marz
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f9572be05a
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Add options in Cargo.toml for lto and optimizer
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2020-04-21 20:21:56 -04:00 |
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Stephen Marz
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1ae7b115f7
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Let's try BUILD.md this way
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2020-04-21 20:14:20 -04:00 |
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Stephen Marz
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e6d9807c11
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Short instructions for building.
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2020-04-21 20:13:51 -04:00 |
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Stephen Marz
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d1dc1d7b32
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Get rid of Makefile, use cargo build and cargo run now.
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2020-04-21 19:51:30 -04:00 |
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Stephen Marz
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1c329244ce
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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
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2020-04-21 19:49:23 -04:00 |
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Stephen Marz
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86018d30a3
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Added assembly module so that Rust will import RISC-V assembly code
without using GNU tools
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2020-04-21 19:48:19 -04:00 |
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Stephen Marz
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aba5fe0e24
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Use cargo to build out-of-the-box here.
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2020-04-21 19:47:57 -04:00 |
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Stephen Marz
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abd3048afa
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Use Rust's global_asm to import assembly files
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2020-04-21 19:47:38 -04:00 |
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Stephen Marz
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4767b6d698
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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
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2020-04-12 21:37:06 -04:00 |
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