 Jeremy Soller
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e2ec6fd220
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Implement more system calls
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2016-09-20 16:57:45 -06:00 |
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Jeremy Soller
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4ee9a6b492
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Create example userspace scheme. Remove kernel duplication of syscalls, use syscall crate instead
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2016-09-20 16:23:28 -06:00 |
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Jeremy Soller
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3ae7dc8d98
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Grant to allow passing data to scheme handler
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2016-09-20 14:50:04 -06:00 |
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Jeremy Soller
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863c59d3c2
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Increase buffer size when reading executable, update libstd
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2016-09-20 09:51:26 -06:00 |
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Jeremy Soller
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eeb1cd0a52
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Fix deadlock
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2016-09-20 09:21:54 -06:00 |
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Jeremy Soller
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7a5d9d440c
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Implement user schemes. Example in pcid. Currently deadlocks in UserInner
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2016-09-20 08:47:16 -06:00 |
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Jeremy Soller
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2f06e18743
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WIP: User scheme
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2016-09-19 21:24:54 -06:00 |
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Jeremy Soller
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fcbc8951da
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Minimize locking in schemes. Reenable pcid and ion launch in init. WIP: Userspace schemes
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2016-09-19 18:29:28 -06:00 |
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Jeremy Soller
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fe234e4bf1
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Remove warnings
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2016-09-19 17:28:22 -06:00 |
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Jeremy Soller
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5276c76963
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PS/2 driver convert to char
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2016-09-19 10:24:19 -06:00 |
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Jeremy Soller
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298d999300
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Seperate PS/2 keyboard and mouse driver
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2016-09-19 09:43:30 -06:00 |
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Jeremy Soller
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4403e3e7ac
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Allow userspace to handle IRQs (WIP). Create basic keyboard handler
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2016-09-18 20:17:08 -06:00 |
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Jeremy Soller
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de53701ed9
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Add mechanism to read IRQ count
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2016-09-18 18:59:46 -06:00 |
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Jeremy Soller
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af2f6fc6df
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Add fsync. Add env scheme, currently hardcoded to get ion to launch. Make serial IRQ send data to debug scheme
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2016-09-18 17:55:35 -06:00 |
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Jeremy Soller
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8ba97b8cff
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Canonicalize paths in open
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2016-09-18 12:54:10 -06:00 |
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Jeremy Soller
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4821357934
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Complete execve - add argument support using safe ABI
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2016-09-17 21:44:50 -06:00 |
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Jeremy Soller
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75016bfe39
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Update libstd. Add CWD and associated syscalls. Remove debugging
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2016-09-17 19:01:34 -06:00 |
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Jeremy Soller
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c5afb10b00
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Add exit status to status enum
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2016-09-17 09:23:36 -06:00 |
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Jeremy Soller
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959ecdad04
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Fix creation of kstack
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2016-09-17 09:18:35 -06:00 |
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Jeremy Soller
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9bc242c179
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Implement the typical use of waitpid
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2016-09-16 18:50:47 -06:00 |
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Jeremy Soller
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5f570fa5b4
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Allow cloning of files and memory
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2016-09-16 18:27:54 -06:00 |
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Jeremy Soller
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91fc7c96ab
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work on shared memory accross threads
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2016-09-16 17:51:27 -06:00 |
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Jeremy Soller
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236b2f0e04
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Panic upon use of unsupported flags
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2016-09-16 13:45:00 -06:00 |
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Jeremy Soller
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356ba325ea
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Collapse status of context into one status variable
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2016-09-16 11:10:53 -06:00 |
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Jeremy Soller
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0f27cd24ce
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Organize context module
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2016-09-16 10:44:52 -06:00 |
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Jeremy Soller
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5cbd30988c
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Do not have interrupts enabled during context switch
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2016-09-15 08:40:16 -06:00 |
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Jeremy Soller
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dee5b4dd9e
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Remove debugging
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2016-09-15 08:39:20 -06:00 |
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Jeremy Soller
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1711303ef8
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Fix implementation of clone and exec. Now the init process can load and execute the pci driver
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2016-09-15 08:35:07 -06:00 |
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Jeremy Soller
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8607367058
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WIP: Create new page table for clone
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2016-09-14 22:21:52 -06:00 |
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Jeremy Soller
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1acb84afbb
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Higher-half kernel mapping. Unmap where possible, freeing up lower memory
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2016-09-14 20:47:55 -06:00 |
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Jeremy Soller
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932026fed8
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WIP: Copy usermode stack
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2016-09-13 21:27:27 -06:00 |
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Jeremy Soller
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b042f40847
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Fix userspace clone by clobbering all variables on clone
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2016-09-13 20:31:45 -06:00 |
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Jeremy Soller
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d3ace7dcad
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Allow cloning of kernel threads. Userspace breaks potentially due to stack aliasing
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2016-09-13 20:06:39 -06:00 |
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Jeremy Soller
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d1c0e3b5da
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Use flush_all instead of flush for performance
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2016-09-13 11:20:55 -06:00 |
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Jeremy Soller
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efaeb22163
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Map kernel TLS to general area
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2016-09-12 15:02:03 -06:00 |
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Jeremy Soller
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d4ca131391
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cr3 in context
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2016-09-12 12:21:34 -06:00 |
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Jeremy Soller
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70bf79a977
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Implement exit, partly
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2016-09-11 22:03:03 -06:00 |
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Jeremy Soller
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0bb1ad38c9
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Clear memory on demand
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2016-09-11 21:47:44 -06:00 |
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Jeremy Soller
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db3255dd82
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Add comments
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2016-09-11 21:35:02 -06:00 |
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Jeremy Soller
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011c8f7f2b
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Cleanup heap management
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2016-09-11 21:18:18 -06:00 |
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Jeremy Soller
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efd41a857e
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Store context memory information
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2016-09-11 21:04:34 -06:00 |
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Jeremy Soller
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86597331cc
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Allow exec, emulate clone by pretending to be child
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2016-09-11 18:03:10 -06:00 |
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Jeremy Soller
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cf27b3a3ad
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Fix close, add dup
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2016-09-11 17:31:21 -06:00 |
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Jeremy Soller
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7a928a5f97
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Improve init process, debug missing syscalls, fix error codes in syscall return
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2016-09-11 16:48:58 -06:00 |
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Jeremy Soller
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038cf5aba1
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PCI driver WIP
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2016-09-11 15:56:48 -06:00 |
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Jeremy Soller
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9371120f0f
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Flush TLB correctly when remapping
Seperate mouse and keyboard structs in PS/2 driver
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2016-09-11 15:02:35 -06:00 |
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Jeremy Soller
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9b17495dd6
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Implement exec
Implement brk
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2016-09-10 22:06:09 -06:00 |
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Jeremy Soller
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4692e9b267
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Load init from initfs
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2016-09-10 19:42:26 -06:00 |
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Jeremy Soller
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c30f4208d4
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Implement sched_yield, enable interrupts in userspace
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2016-09-10 19:18:59 -06:00 |
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Jeremy Soller
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486bfea62c
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Remove debugging messages, launch elf on APs
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2016-09-10 19:03:31 -06:00 |
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