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Commit Graph

26 Commits

Author SHA1 Message Date
Aaron Lindsay 580ab1f584 Add GPLv2 license and source file headers 2012-09-26 23:59:58 -04:00
Aaron Lindsay c84fd58ce4 Makefile: Add automatic dependency generation 2012-09-26 23:35:52 -04:00
Aaron Lindsay c455b1eeb3 Makefile: refactor subdirectory makefiles 2012-09-26 15:35:52 -04:00
Aaron Lindsay f9244836e1 Makefile: output formatting changes 2012-09-25 22:58:50 -04:00
Aaron Lindsay afba079256 Properly detect memory using atags and add it to the memory-management subsystem 2012-09-25 22:45:06 -04:00
Aaron Lindsay d6e3899fc1 Enable the MMU even if the kernel is not loaded in physical memory at
the same place it was linked against.
2012-09-23 01:39:09 -04:00
Aaron Lindsay e2a3ab602c Makefile: Add aedrix-kernel.objdump target 2012-09-23 01:39:09 -04:00
Aaron Lindsay ab29c2c442 mmu: Add initial implementation of identity mapping 2012-09-23 01:39:09 -04:00
Aaron Lindsay ae45deb789 Makefile: do .PHONY all in one 2012-09-23 01:39:09 -04:00
Aaron Lindsay 583765fd7c Add %b to print() to print integers in binary 2012-09-23 01:39:09 -04:00
Aaron Lindsay 2bd44726e4 Add aedrix-kernel.img to Makefile and update .gitignore 2012-09-23 01:39:09 -04:00
Aaron Lindsay 563ad96efb Add memory initialization to start_kernel.c 2012-09-23 01:39:07 -04:00
Aaron Lindsay 0b3865d16a Add simple page allocator and doubly-linked list implementation. 2012-09-17 23:31:01 -04:00
Aaron Lindsay b531496f8e Update printing in hex format to be more straight-forward 2012-09-10 23:59:30 -04:00
Aaron Lindsay a7bd2c8ae6 Update PL011 base address to match that of the CoreTile Express A9 2012-09-10 23:37:12 -04:00
Aaron Lindsay 0050438c80 Change "boot" make target to use qemu's "vexpress-a9" machine 2012-09-10 23:36:30 -04:00
Aaron Lindsay 955d15803f Add pl111 support 2012-09-10 22:44:54 -04:00
Aaron Lindsay aaa714d89a Start adding simple video console which uses framebuffer 2012-09-09 01:58:38 -04:00
Aaron Lindsay c96a4e2a57 Add simple 6x13 pixel font 2012-09-09 01:54:02 -04:00
Aaron Lindsay 332b86f520 framebuffer: fix 16- and 24-bit color. 8-bit still doesn't work. 2012-09-08 00:42:23 -04:00
Aaron Lindsay 29404c4199 Add .gitignore, update Makefile
Add 'boot' make target, which boots the kernel in a simple QEMU
configuration. Also updated CFLAGS in Makefile.
2012-09-07 23:58:19 -04:00
Aaron Lindsay 8fbb809a5e Move from 'hello.c' to 'start_kernel.c' to sound more professional...
...though at this point start_kernel.c just does a test of the video and
serial/printing capabilities and nothing else.
2012-09-07 23:56:32 -04:00
Aaron Lindsay 38f87f12c5 Add basic framebuffer support (probably not working right yet?)
Possibly (probably) calculating wrong pixel values, addresses.
2012-09-07 23:54:04 -04:00
Aaron Lindsay 12e890bb8a Add basic printing/formatting infrastructure for debugging 2012-09-07 23:53:27 -04:00
Aaron Lindsay 84dd295956 Add devices directory, and PL011 and PL110 basic (very!) device drivers 2012-09-07 23:52:43 -04:00
Aaron Lindsay 4be5ceeec6 Initial commit 2012-09-03 23:44:36 -04:00