Supervisor Mode

GPTKB entity

Statements (28)
Predicate Object
gptkbp:instanceOf CPU mode
gptkbp:allows execution of privileged instructions
gptkbp:alsoKnownAs kernel mode
gptkbp:contrastsWith user mode
gptkbp:enables memory management
direct hardware access
interrupt handling
process scheduling
context switching
I/O control
operating system kernel functions
system call handling
gptkbp:foundIn gptkb:x86_architecture
gptkb:ARM_architecture
gptkb:PowerPC_architecture
https://www.w3.org/2000/01/rdf-schema#label Supervisor Mode
gptkbp:implementedIn setting CPU mode bit
gptkbp:prevention user applications from executing privileged instructions
security breaches by user programs
gptkbp:prohibits access to certain hardware resources
gptkbp:provides protection mechanism in CPUs
gptkbp:requires operating system kernel execution
gptkbp:switchesFrom user mode on system call or interrupt
gptkbp:switchesTo user mode after boot
gptkbp:usedIn operating systems
gptkbp:bfsParent gptkb:RISC-V_Privileged_Architecture_v1.9.1
gptkb:Kernel_Mode
gptkbp:bfsLayer 7