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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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382bd0c5e9
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large restructure
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2019-05-24 09:51:45 -05:00 |
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7f25b58910
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move cpu folder into kernel folder
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2019-05-24 09:04:31 -05:00 |
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2fac49887f
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Kernel now passes initrd and size to init
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2019-05-24 08:54:14 -05:00 |
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3a6f95a86a
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Every task now takes two parameters in the tasking code
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2019-05-23 20:21:51 -05:00 |
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63b46be967
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Move initrd to tar
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2019-05-23 17:38:26 -05:00 |
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9d2c37329f
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Add an x variable to the vga error driver in the kernel
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2019-05-23 09:44:40 -05:00 |
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204fec4407
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Remove all drivers and fs code from kernel
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2019-05-22 14:18:29 -05:00 |
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3448e834e8
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Tasking finally works!!
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2019-05-21 19:16:19 -05:00 |
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613f77f949
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Start large change of tasking system
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2019-05-11 10:11:28 -05:00 |
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68b6a77a65
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Fix warnings
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2019-05-06 08:38:02 -05:00 |
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3856a5dc0a
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Get init loaded as a separate process
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2019-05-06 08:24:57 -05:00 |
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21a395de3b
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Remove logging messages in kernel and fix some warnings
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2019-05-05 07:27:57 -05:00 |
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361bfb0aa8
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Kernel code now only loads init
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2019-05-03 08:34:22 -05:00 |
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f43d8e3af4
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Run program at end of init()
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2019-05-01 19:40:59 -05:00 |
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50b0c0a4c4
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Move _start to a dedicated file
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2019-05-01 11:55:54 -05:00 |
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593e618318
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Remove some logging
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2019-05-01 09:41:31 -05:00 |
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3691d6b1f5
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Essentially merge ext-prog-libc
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2019-05-01 09:39:23 -05:00 |
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5cb95d816f
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long mode paging work
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2019-04-30 17:11:26 -05:00 |
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83e1f27567
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i386 moved to multiboot2 and x86_64 has physical memory manager
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2019-04-27 15:03:31 -05:00 |
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c6bca7f177
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Add long mode IDT
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2019-04-27 09:51:32 -05:00 |
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5384ec3af0
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Add VGA driver
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2019-04-26 10:03:16 -05:00 |
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fbef5710ed
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Long mode works!!!
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2019-04-26 09:47:57 -05:00 |
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e10fe99d05
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Remove long mode env
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2019-04-26 09:20:07 -05:00 |
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c75aa35e1b
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Long mode work
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2019-04-25 15:46:48 -05:00 |
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e51f3e4db2
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Start work on x86_64 platform
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2019-04-22 13:18:27 -05:00 |
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d8dade3fb3
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Fix platform-specific makefile
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2019-04-22 08:39:46 -05:00 |
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d78e7743ce
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Fix warnings
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2019-04-21 14:19:52 -05:00 |
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16c8742bef
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Work on adding partition support
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2019-04-18 08:50:49 -05:00 |
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3fa4438289
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Start work on ext2 file writing
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2019-04-13 11:17:46 -05:00 |
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97f18478ed
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Fix fwrite
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2019-04-09 18:12:54 -05:00 |
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1c832e8f7a
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Add r+ mode to VFS
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2019-04-09 18:10:43 -05:00 |
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f4b82ec850
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Added fwrite
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2019-04-09 09:16:37 -05:00 |
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680defd654
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VFS functions now check mode
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2019-04-09 09:05:47 -05:00 |
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ad3c8288b6
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Add read bool and write bool to file structure
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2019-04-09 09:01:06 -05:00 |
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4a36e8e9ad
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Fix error handling of vfs functions
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2019-04-08 16:34:07 -05:00 |
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a938ed448e
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Added feof and ferror
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2019-04-08 16:33:49 -05:00 |
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9c0ccfd255
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Added error indicator in stream
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2019-04-08 16:33:19 -05:00 |
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edded2e3a1
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Added errno
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2019-04-08 15:58:30 -05:00 |
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0f406b1f01
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Got ext2 directory support working
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2019-04-08 11:24:03 -05:00 |
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4b3384e45d
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Work on ext2 directory support
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2019-04-07 15:14:46 -05:00 |
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20ae5d1a31
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Add IDE driver and r/o ext2 fs driver
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2019-04-06 09:07:06 -05:00 |
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ed591187a1
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Files now do not reference libc paths directly
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2019-03-30 10:39:26 -05:00 |
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bfc3964804
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Memory allocation is now a syscall
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2019-03-17 12:22:00 -05:00 |
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d9252649d8
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Physical memory manager now initialized in cpu_init
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2019-03-17 12:21:23 -05:00 |
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99d7fed783
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Work and cleanup
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2019-03-11 09:32:55 -05:00 |
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7131f4ae5a
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Lots of work
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2019-02-25 15:42:23 -06:00 |
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d54a55aad0
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Get sycalls working in usermode (And all interrupts)
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2019-02-11 13:43:40 -06:00 |
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b3e086e452
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Add createTask syscall (Not working in umode)
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2019-02-11 09:48:50 -06:00 |
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4f25ff7a09
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Add yield syscall (Not working in umode)
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2019-02-11 09:47:28 -06:00 |
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fdd7afa1c8
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Add tasking (No usermode support)
|
2019-02-11 09:30:28 -06:00 |
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cb16df6240
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Usermode can now use ports! (IOPB test)
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2019-02-10 18:09:07 -06:00 |
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03109a25ca
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Add newline to UMODE! message
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2019-02-10 15:05:03 -06:00 |
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a12c1281ff
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Usermode interupts working!
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2019-02-10 15:03:59 -06:00 |
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ee9839beaa
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Get GDT,IDT and usermode working!
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2019-02-10 14:11:07 -06:00 |
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60c56c064d
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Start work on VGA driver
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2019-02-09 14:35:29 -06:00 |
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65b629e74a
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Read framebuffer info from GRUB
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2019-02-09 14:33:29 -06:00 |
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1a36bf1fe2
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Add multiboot header file
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2019-02-09 13:56:22 -06:00 |
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ef90f51688
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Remove most code for a blank start
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2019-02-09 12:52:45 -06:00 |
|
