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ba3add445e
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Fix interrupt.h having broken header guard
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2019-12-14 10:25:00 -06:00 |
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1c5a986e6d
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Start work on an initrd driver and attempt to debug pg fault on msg send
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2019-10-20 09:44:33 -05:00 |
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81fd21da2a
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Change mailboxes to not use kmalloc
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2019-09-22 08:38:31 -05:00 |
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faf3a3aad9
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Change find_free_pages to return a void*
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2019-09-22 08:25:08 -05:00 |
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f88622c154
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Mailboxes can now be found by their names.
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2019-09-05 09:39:13 -05:00 |
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2080e0256a
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Fix a bug with sending a message of size 0.
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2019-09-01 14:14:25 -05:00 |
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9a89873c8b
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Mailboxes now have names
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2019-09-01 13:52:32 -05:00 |
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1522fed9a8
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Add getpid function
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2019-09-01 13:49:01 -05:00 |
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f8160bb3ee
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Fix IPC buffer size check
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2019-09-01 13:01:37 -05:00 |
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7d453fd06b
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Yet again, attempt to fix IPC
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2019-08-31 18:43:27 -05:00 |
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d2dbbb85a5
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Fix IPC issues (I suspect looparound issues)
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2019-08-31 16:46:21 -05:00 |
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d874b17b14
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Fix exit not looping around to head task
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2019-08-31 10:49:35 -05:00 |
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e349f0ad3d
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Add protection againt sending to mailbox 0
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2019-08-28 20:24:53 -05:00 |
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54ab300502
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Get all programs building using the new hosted cross-compiler
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2019-08-28 08:26:42 -05:00 |
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916ffea498
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Add syscalls to get initrd size and copy it into user supplied memory
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2019-08-26 13:07:01 -05:00 |
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e8730b145a
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Make usermode programs hosted, and add noreturn to exit.
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2019-08-26 07:43:25 -05:00 |
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d186939f87
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start.asm now calls exit with a 0 exit code
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2019-08-25 17:41:13 -05:00 |
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c8a3a49b87
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Forgot to change kernel exit code back to 0
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2019-08-25 17:33:05 -05:00 |
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3ca8b5a232
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Add a very basic exit function and fix kmalloc.
Exit function does not deallocate task memory except for the data block,
and does not are about the exit code except for logging.
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2019-08-25 17:32:08 -05:00 |
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5a5fee4d74
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Tasks now are a doubly-linked list
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2019-08-25 17:06:19 -05:00 |
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d12421a7c8
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Add a serial_print syscall
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2019-08-25 13:52:56 -05:00 |
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2827a2d7ba
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Mailbox code did not save mailbox data upon returning from functions
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2019-08-25 13:52:31 -05:00 |
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895bd9613e
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Add a serial log if a PID yield is tried for a nonexistent pid.
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2019-08-05 14:23:54 -05:00 |
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7d25533307
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Fix serial logging for getting a message
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2019-08-05 14:23:27 -05:00 |
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99522efde5
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Add a kernel serial driver and a yieldToPID function.
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2019-08-04 13:14:35 -05:00 |
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e80d084584
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Sync repo with code for IRC help
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2019-08-03 15:50:23 -05:00 |
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05c1e20aa6
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Remove magic breakpont afer paging init
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2019-08-02 19:55:59 -05:00 |
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823a255e1a
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Fix vfs saying the message was sent from init's stdio mailbox.
Unfortunately, this breaks the VFS, so the rest of this commit attempts
(and fails) to fix it.
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2019-07-27 11:11:28 -05:00 |
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7974c1e026
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Get VFS workng and start on fputc. Debugger is currently broken :(
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2019-07-20 11:03:27 -05:00 |
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d62ccb0dc1
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Add a process to act as a filesytem driver and get a .gdbinit file setup
.gdbinit is used to make it easier to debug userspace processes
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2019-07-13 10:18:41 -05:00 |
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74cdc67dce
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Fix/ignore all the warnings
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2019-07-01 15:30:00 -05:00 |
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aef1d74750
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Finish fopen in the vfs and hopefully add a working fopen in stdio.c
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2019-07-01 15:13:47 -05:00 |
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7611d929a3
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Fix most warnings
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2019-06-29 09:04:34 -05:00 |
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51bb986d76
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Change IPC to a mailbox-based system
Instead of using PIDs to identify a destination, a process can have one
or more mailboxes to send messages to.
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2019-06-27 17:00:23 -05:00 |
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9db6bf61ca
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Start work on making IPC use a mailbox approach
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2019-06-24 13:24:39 -05:00 |
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ade1521bc4
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Copy message data from kspace into uspace upon receiving message.
Fixes #30
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2019-06-22 15:42:06 -05:00 |
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1216d4c000
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Store size of message in buffer
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2019-06-22 15:29:02 -05:00 |
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7ee2472fe5
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Get IPC working
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2019-06-22 11:11:12 -05:00 |
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8bdbe06b8c
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Move kernel stacks into common memory and fix tasking.
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2019-06-22 10:21:50 -05:00 |
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997927fea4
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Add a limit of 24k tasks ever being created.
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2019-06-17 08:20:36 -05:00 |
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c295d56ae8
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IPC now uses a buffer in the task structure
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2019-06-17 08:14:45 -05:00 |
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c4d39011cd
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Fix unmap_pages not invalidating entries
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2019-06-17 06:58:31 -05:00 |
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9654487b5b
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add unmap_pages
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2019-05-28 16:05:51 -05:00 |
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38c39611fd
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load_address_space now uses load_smap
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2019-05-25 16:00:52 -05:00 |
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e0a6ebc0b3
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load_smap now invaliadtes pages
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2019-05-25 16:00:33 -05:00 |
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f68cf49a15
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copy_data and put_data now use load_smap
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2019-05-25 16:00:12 -05:00 |
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c036eb1e9a
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revert to old build system
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2019-05-25 10:35:31 -05:00 |
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b28234806b
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ignore more build products
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2019-05-25 10:16:39 -05:00 |
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09206d0645
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fix files looking for ports.h in wrong place
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2019-05-25 10:13:59 -05:00 |
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30e043955b
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Add empty vfs program and fix tar parsing
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2019-05-24 11:52:13 -05:00 |
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