Various bug fixes as well as a change to provide our own GDT. - #4

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mkilgore wants to merge 11 commits into

arjun024:masterfrom

mkilgore:dsm_changes

Commits on May 8, 2015

Remove stdio.h include
mkilgore
committed
d4c0a6c
Add a simple Makefile - Rename kernel.asm to fix conflict
mkilgore
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234f40a
Remove redundent cli in 'start'
mkilgore
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642fe51
Fix possiblity of code continuing on if `kmain` returns
mkilgore
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deb6b7a
Apply attribute packed to IDT_entry
mkilgore
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7b99635
Create our own GDT on startup
mkilgore
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87e796e
Implement idt_ptr struct to simplify code
mkilgore
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d2b959a
Insert hlt instruction into kmain loop
mkilgore
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ea847eb
Back-up register values in keyboard interrupt handler
mkilgore
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63c1629
Update README.md
mkilgore
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9d4c881
Add .gitignore file
mkilgore
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cade471