Methods and apparatus to perform a pseudo-S3 protocol to update firmware and/or activate new firmware with a warm reset

A non-transitory computer readable storage medium comprising instructions which, when executed, cause a basic input/output system (BIOS) to at least:

• in response to (a) a pseudo-sleep event being initiated and (b) an operating system preparing for a sleep state, initiate a warm reset to update firmware according to a firmware update without entering the sleep state or performing a full reboot;
• and
• transmit a wake vector to the operating system after the firmware is updated.

An apparatus comprising:

• means for, in response to (a) a pseudo-sleep event being initiated and (b) an operating system preparing to enter a sleep state, initiating a warm reset to update firmware according to a firmware update without entering the sleep state or performing a full reboot;
• and
• means for waking up the operating system with a wake vector after the firmware is updated.