Weibin Sun authored Feb 14, 2014 and Vikram Narayanan committed Oct 25, 2016

Benchmark: D710 CPU frequency: 1596 MHz (Full at 2.4GHz) LCD creation: 34,086,060 cycles LCD enter and exit: 1044 cycles (1000 times average)

  No preemption during LCD enter and exit, but APIC timer interrupts
  are handled, which is almost unavoidable.

Weibin Sun authored Jan 31, 2014 and Vikram Narayanan committed Oct 25, 2016

Added userspace tool: the modified insmod for LCD. I really don't know how to mix the kernel target and the userspace target into a same makefile.. so a special tools/ dir for userspace code and tools.

Weibin Sun authored Jan 07, 2014 and Vikram Narayanan committed Oct 25, 2016

Reorganized memory layout; and avoid annoying plus sign after kernel version string when in a git repo.

Weibin Sun authored Nov 28, 2013 and Vikram Narayanan committed Oct 25, 2016

Working LCD with very simple example: The code inside LCD writes 0xdeadbeef to a location in a mapped page, then does HLT to exit LCD. The host checks the written maggic number successfully.