typo fix in comment
Fix comment on check_va and enable multiple CPUs in the grade script
Make LAB=4, SOL=4, export-lab4, and export-sol4 work
A couple more lab4 fixes; push it out
Fix lab 5
Porting PIOS to 64-bit. 1st commit
updated boot code in entry.S and bootothers.S
Initialized the pios 64-bit branch with a code that compiles!
added memory symbols to kern directory
starting changes to page table management
reverting to old page table macros for now
reverting to old page table management for now
merged with pios64. changes made to ensure pios compiles but not compiling yet
First compiling version containing my changes
adding sys folder. accidentally deleted during previous commit
removed 2 useless files in kern/
incorporated bryan's recommendations
fixed ljmp issue in 64-bit mode
fix recursively added sys directory (should have been a symlink)
Fixed cpuinfo struct to have 32-bit members instead of 64-bit