josh/hos
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35 Commits

Author SHA1 Message Date
josh
1027b8c346 compiling again after updating mm_early_map() and mm_map() for new page allocation scheme 
git-svn-id: svn://anubis/hos/trunk@96 5b3e749e-e535-0410-8002-a9bb6afbdfca
 2010-01-27 05:06:12 +00:00
josh
24485b8143 fixed line endings on text files 
git-svn-id: svn://anubis/hos/trunk@93 5b3e749e-e535-0410-8002-a9bb6afbdfca
 2010-01-25 16:04:08 +00:00
josh
b6bebfd9b4 removed debug print 
git-svn-id: svn://anubis/hos/trunk@85 5b3e749e-e535-0410-8002-a9bb6afbdfca
 2010-01-14 15:54:16 +00:00
josh
1be6e37961 thanks to bug found by Nick - fixed mmap traversal and size calculation 
git-svn-id: svn://anubis/hos/trunk@84 5b3e749e-e535-0410-8002-a9bb6afbdfca
 2010-01-14 15:43:49 +00:00
josh
85c5a26631 removed erroneous offset by four when calculating address of mmap structure from bootloader 
git-svn-id: svn://anubis/hos/trunk@83 5b3e749e-e535-0410-8002-a9bb6afbdfca
 2010-01-14 04:23:26 +00:00
josh
eb2dd3b1ad updated start symbol comment 
git-svn-id: svn://anubis/hos/trunk@82 5b3e749e-e535-0410-8002-a9bb6afbdfca
 2010-01-07 19:14:34 +00:00
josh
6cd78f195f changed kernel stack top to 0x40000000 (1GB) virtual 
git-svn-id: svn://anubis/hos/trunk@81 5b3e749e-e535-0410-8002-a9bb6afbdfca
 2010-01-07 15:56:53 +00:00
josh
e4701b8d96 merged in removing-assembly branch to do more in C 
git-svn-id: svn://anubis/hos/trunk@80 5b3e749e-e535-0410-8002-a9bb6afbdfca
 2010-01-07 15:38:15 +00:00
josh
76ac4f88a4 set virtual offset to 0x0, kernel now runs in qemu / VirtualBox 
git-svn-id: svn://anubis/hos/trunk@73 5b3e749e-e535-0410-8002-a9bb6afbdfca
 2010-01-06 05:37:04 +00:00
josh
cf7287d368 removed multiboot kludge; using ELF kernel with different virtual and load addresses 
git-svn-id: svn://anubis/hos/trunk@71 5b3e749e-e535-0410-8002-a9bb6afbdfca
 2010-01-06 05:02:32 +00:00
josh
bc7064e92a got interrupts working, added sys/{pic,timer,cpu} modules, ready to work on multitasking 
git-svn-id: svn://anubis/hos/trunk@69 5b3e749e-e535-0410-8002-a9bb6afbdfca
 2009-07-29 22:30:52 +00:00
josh
ddd8c9fd71 split mm_map() and mm_page_alloc() into regular and "early" versions (mm_early_map() and mm_early_page_alloc()); removed mm_use_virtual_offset flag 
git-svn-id: svn://anubis/hos/trunk@67 5b3e749e-e535-0410-8002-a9bb6afbdfca
 2009-07-24 14:51:23 +00:00
josh
d7be0159c9 created /kernel/isr subdir, moved isr.asm from boot to isr module, added interrupts.cc for isr() main function and isr_bootstrap() routine 
git-svn-id: svn://anubis/hos/trunk@66 5b3e749e-e535-0410-8002-a9bb6afbdfca
 2009-07-24 14:19:31 +00:00
josh
d352afd079 added int_stack_t type in hos_types.h for interrupt stack access 
git-svn-id: svn://anubis/hos/trunk@65 5b3e749e-e535-0410-8002-a9bb6afbdfca
 2009-07-24 14:02:11 +00:00
josh
1105e6e203 optimized isr.asm a bit 
git-svn-id: svn://anubis/hos/trunk@64 5b3e749e-e535-0410-8002-a9bb6afbdfca
 2009-07-24 13:50:29 +00:00
josh
6a75fdfc10 Added isr.asm with 50 isr_%d labels defined, ready to call isr() 
git-svn-id: svn://anubis/hos/trunk@62 5b3e749e-e535-0410-8002-a9bb6afbdfca
 2009-07-23 22:02:11 +00:00
josh
c21caccb1f printing memory map, used pages, and free pages on boot 
git-svn-id: svn://anubis/hos/trunk@58 5b3e749e-e535-0410-8002-a9bb6afbdfca
 2009-07-16 00:05:44 +00:00
josh
fd02ee26e1 added kputs_pad(); implemented padding in kprintf(); put some padding tests in k_main() 
git-svn-id: svn://anubis/hos/trunk@57 5b3e749e-e535-0410-8002-a9bb6afbdfca
 2009-07-15 14:53:58 +00:00
josh
1dd8250048 moved call to stack_bootstrap() into mm_bootstrap() since stack_bootstrap() relies on calling mm_map() and mm_use_virtual_offset was getting unset at the end of mm_bootstrap(); calling k_main() now works! 
git-svn-id: svn://anubis/hos/trunk@54 5b3e749e-e535-0410-8002-a9bb6afbdfca
 2009-07-14 16:08:06 +00:00
josh
bf9c7d74eb added mm/stack module; initializing "permanent" stack for kernel use while paging, crashing when calling k_main() though... 
git-svn-id: svn://anubis/hos/trunk@52 5b3e749e-e535-0410-8002-a9bb6afbdfca
 2009-07-14 13:31:08 +00:00
josh
cf2d28f5ce added k_main.cc, need to set up a stack before calling k_main() 
git-svn-id: svn://anubis/hos/trunk@51 5b3e749e-e535-0410-8002-a9bb6afbdfca
 2009-07-14 03:34:16 +00:00
josh
594625b0fa changed lgdt instruction to load from linear address instead of physical address for [mm_gdtr] 
git-svn-id: svn://anubis/hos/trunk@50 5b3e749e-e535-0410-8002-a9bb6afbdfca
 2009-07-14 00:26:40 +00:00
josh
df719b4281 added code to reset segmentation and enable paging; added fmt_xl2a() in kio; added debug prints in k_bootstrap() since kernel is crashing when trying to enable paging 
git-svn-id: svn://anubis/hos/trunk@49 5b3e749e-e535-0410-8002-a9bb6afbdfca
 2009-07-13 22:58:48 +00:00
josh
5b9651299e fixed a few formatting and string bugs, kprintf() working when called during bootstrapping! 
git-svn-id: svn://anubis/hos/trunk@47 5b3e749e-e535-0410-8002-a9bb6afbdfca
 2009-07-13 21:54:27 +00:00
josh
a4d497544e added memcpy{,w,d}(), memset{,w,d}(); filled in kputc() 
git-svn-id: svn://anubis/hos/trunk@46 5b3e749e-e535-0410-8002-a9bb6afbdfca
 2009-07-13 21:42:18 +00:00
josh
784978b131 boot.asm comments 
git-svn-id: svn://anubis/hos/trunk@41 5b3e749e-e535-0410-8002-a9bb6afbdfca
 2009-07-05 16:38:47 +00:00
josh
2bddc1d428 filled out more of mm_bootstrap() including initializing the free page linked list 
git-svn-id: svn://anubis/hos/trunk@34 5b3e749e-e535-0410-8002-a9bb6afbdfca
 2009-07-02 01:09:09 +00:00
josh
bfb4f3bdd0 changed k_bootstrap from C to C++ source file 
git-svn-id: svn://anubis/hos/trunk@33 5b3e749e-e535-0410-8002-a9bb6afbdfca
 2009-07-01 21:17:24 +00:00
josh
db192f6d36 added CXXFLAGS to disable rtti and exceptions; added C++ support to header files; moved mm.c to mm.cc to use C++ functionality 
git-svn-id: svn://anubis/hos/trunk@32 5b3e749e-e535-0410-8002-a9bb6afbdfca
 2009-07-01 19:52:18 +00:00
josh
2faa2cc8d6 added mm_bootstrap() skeleton function 
git-svn-id: svn://anubis/hos/trunk@31 5b3e749e-e535-0410-8002-a9bb6afbdfca
 2009-07-01 17:34:52 +00:00
josh
39ea3f231b added bootstrap_stack so the temporary stack is not in the same place as the page directory 
git-svn-id: svn://anubis/hos/trunk@29 5b3e749e-e535-0410-8002-a9bb6afbdfca
 2009-07-01 01:53:43 +00:00
josh
be8d6015ff Added mm_record_mmap_entry() and calls to it in k_bootstrap(). 
git-svn-id: svn://anubis/hos/trunk@26 5b3e749e-e535-0410-8002-a9bb6afbdfca
 2009-06-30 21:29:44 +00:00
josh
6ea8fe1a27 Added k_bootstrap.c, k_early_panic.[ch] 
Calling k_bootstrap() from boot.asm in segmented mode

git-svn-id: svn://anubis/hos/trunk@25 5b3e749e-e535-0410-8002-a9bb6afbdfca
 2009-06-30 20:12:39 +00:00
josh
90e03d4f95 Added include folder with hos_types.h and hos_defines.h 
Added mm build subdir with mm.c
Updated subdir.mak to build $(subdir)_all.o instead of $(subdir).o
Updated main Makefile to pass SUBDIR in to subdirectory builds, add $(HOS_TOPLEVEL)/include to compiler include path, and made the linker write a map file
Updated boot.asm to use the page_directory symbol from the .bss section defined in mm.o as its temporary stack area

git-svn-id: svn://anubis/hos/trunk@22 5b3e749e-e535-0410-8002-a9bb6afbdfca
 2009-06-29 19:55:50 +00:00
josh
d8f7e731e1 moved boot.asm into kernel/boot, added kernel/boot/Makefile using new subdir.mak 
git-svn-id: svn://anubis/hos/trunk@20 5b3e749e-e535-0410-8002-a9bb6afbdfca
 2009-06-25 21:57:50 +00:00