Patent ID: 9223642
Filing Date: 2015-12-29
Classification: G06F,G11C

Abstract:
1. A Green NAND Device (GND) driver with a persistent mode comprising: a flash memory that retains stored data when power is lost; a persistent processor image generator that copies data from a host processor state and from a processor cache memory to a volatile memory when a persistent mode power down routine is activated to generate a host processor image; a persistent resume image stored in the volatile memory when the persistent mode power down routine is activated; a persistent image generator that copies data from a host volatile memory to the flash memory when the persistent mode power down routine is activated to generate a persistent restore image, wherein persistent mode is activated and executed when sufficient battery power is available; a restore image loader that reads the persistent restore image from the flash memory to the host volatile memory when the persistent mode routine was activated at a prior power down, and executes the persistent resume image from the volatile memory to restore the host processor image.