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
|