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321 Commits

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Author SHA1 Message Date
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
ea33bfe629 Added starting point for GPU code. 2020-05-15 10:34:22 -04:00
Stephen Marz
723963e1ec Resolved 2020-05-01 19:11:42 -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
30fcd7894a Change lock to try_lock to better align with Rust's verbiage 2020-04-27 09:46:59 -04:00
Stephen Marz
d49ea6e040 Changed formatting settings. 2020-04-26 22:12:00 -04:00
Stephen Marz
532b246f7b Added locking to the scheduler. Since this is invoked so often, it causes a race with the test_elf process. 2020-04-26 21:08:29 -04:00
Stephen Marz
ef0997be74 Add documentation for Mutex 2020-04-26 20:28:20 -04:00
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
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