OLPC plan9 kernel Changes
Following files are added to /sys/src/9/pc/ which add EGA emulation on top of OLPC linear frame buffer.
Following files are modified :
l.s - Here we need to make a new 4 MB page table entry for
mapping OLPC’s linear framebuffer. Also instead of calling
olpc_display_init is called which prints Plan9 on screen using
EGA emulation code. After that HLT is called so that machine
mkfile - Added entries for new EGA code.