Resettable write once read many memory
AssigneeInternational Business Machines Corporation
InventorJohn Eells
Life of this patent
Estimating the term…
Abstract
Embodiments include method, systems and computer program products for operating a resettable write once read many (RWORM) memory. The method includes receiving, by a processor, a request for at least a portion of memory in a computer system to be designated as RWORM memory. The processor further writes data to the RWORM memory. The processor further maintains the RWORM memory in a read-only state after the RWORM memory is written to. The processor further re-designates the RWORM memory to a read/write state in response to encountering a system reset.
Claims18
A computer-implemented method for operating a resettable write once read many (RWORM) memory, the method comprising:
- receiving, by a processor, a request for at least a portion of memory in a computer system to be designated as RWORM memory;
- writing, by the processor, data to the RWORM memory;
- maintaining, by the processor, the RWORM memory in a read-only state after the RWORM memory is written to;
- and
- re-designating, by the processor, the RWORM memory to a read/write state in response to encountering a system reset.
A computer program product for operating a resettable write once read many (RWORM) memory, the computer program product comprising:
- a computer readable storage medium having stored thereon first program instructions executable by a processor to cause the processor to:
- receive a request for at least a portion of memory in a computer system to be designated as RWORM memory;
- write, by the processor, data to the RWORM memory;
- maintain, by the processor, the RWORM memory in a read-only state after the RWORM memory is written to;
- and
- re-designate, by the processor, the RWORM memory to a read/write state in response to encountering a system reset.
A system, comprising:
- one or more processors;
- and
- at least one memory, the memory including instructions that, upon execution by at least one of the one or more processors, cause the system to perform a method for using a resettable write once read many (RWORM) memory, the method comprising:
- receiving a request for at least a portion of memory in a computer system to be designated as RWORM memory;
- writing data to the RWORM memory;
- maintaining the RWORM memory in a read-only state after the RWORM memory is written to;
- and
- re-designating the RWORM memory to a read/write state in response to encountering a system reset.
Dependencies are inferred from the claim text.