sifive_u board
E724102
The sifive_u board is a RISC-V development platform modeled in QEMU, commonly used for running and testing 64-bit RISC-V software in a virtualized environment.
All labels observed (2)
| Label | Occurrences |
|---|---|
| sifive_e board | 1 |
| sifive_u board canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8284444 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
Target entity: sifive_u board Context triple: [QEMU RISC-V target, supportsBoardModel, sifive_u board]
-
A.
SiFive
SiFive is a semiconductor company known for designing customizable RISC‑V processor cores and platforms used in a wide range of computing applications.
-
B.
RISC-V
RISC-V is an open, extensible instruction set architecture (ISA) based on the reduced instruction set computing (RISC) principles, widely used for research, embedded systems, and increasingly general-purpose computing.
-
C.
Calliope mini
Calliope mini is a small educational microcontroller board designed to teach children and beginners programming and electronics through interactive projects.
-
D.
Lattice ECP5
Lattice ECP5 is a family of low-power, mid-range FPGAs designed for cost-sensitive, high-volume applications such as communications, industrial, and consumer electronics.
-
E.
SoC FPGA
A SoC FPGA is an integrated device that combines a traditional FPGA’s programmable logic with embedded processor cores and peripheral interfaces on a single chip to enable flexible, high-performance system-on-chip designs.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Target entity: sifive_u board Target entity description: The sifive_u board is a RISC-V development platform modeled in QEMU, commonly used for running and testing 64-bit RISC-V software in a virtualized environment.
-
A.
SiFive
SiFive is a semiconductor company known for designing customizable RISC‑V processor cores and platforms used in a wide range of computing applications.
-
B.
RISC-V
RISC-V is an open, extensible instruction set architecture (ISA) based on the reduced instruction set computing (RISC) principles, widely used for research, embedded systems, and increasingly general-purpose computing.
-
C.
Calliope mini
Calliope mini is a small educational microcontroller board designed to teach children and beginners programming and electronics through interactive projects.
-
D.
Lattice ECP5
Lattice ECP5 is a family of low-power, mid-range FPGAs designed for cost-sensitive, high-volume applications such as communications, industrial, and consumer electronics.
-
E.
SoC FPGA
A SoC FPGA is an integrated device that combines a traditional FPGA’s programmable logic with embedded processor cores and peripheral interfaces on a single chip to enable flexible, high-performance system-on-chip designs.
- F. None of above. chosen
Statements (32)
| Predicate | Object |
|---|---|
| instanceOf |
QEMU machine type
ⓘ
virtual development board ⓘ |
| architecture | RISC-V NERFINISHED ⓘ |
| bitWidth | 64-bit ⓘ |
| category |
RISC-V development platform
ⓘ
virtual hardware platform ⓘ |
| emulatedByCommand | qemu-system-riscv64 NERFINISHED ⓘ |
| executionEnvironment | virtualized environment ⓘ |
| hasCPUCore | RISC-V CPU core ⓘ |
| hasDeviceModel |
UART
ⓘ
interrupt controller ⓘ timer ⓘ virtio devices ⓘ |
| modeledIn | QEMU NERFINISHED ⓘ |
| supportsBootMethod |
OpenSBI
NERFINISHED
ⓘ
U-Boot NERFINISHED ⓘ |
| supportsEndianness | little-endian ⓘ |
| supportsISA | RV64 ⓘ |
| supportsOperatingSystem |
BSD-based systems
ⓘ
Linux ⓘ |
| supportsPrivilegeLevels |
machine mode
ⓘ
supervisor mode ⓘ user mode ⓘ |
| targetedFor |
RISC-V software developers
ⓘ
firmware developers ⓘ operating system developers ⓘ |
| typicalUseCase |
RISC-V ISA experimentation
ⓘ
driver development ⓘ kernel bring-up ⓘ |
| usedFor |
running 64-bit RISC-V software
ⓘ
testing 64-bit RISC-V software ⓘ |
| vendorModeledAfter | SiFive NERFINISHED ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Subject: sifive_u board Description of subject: The sifive_u board is a RISC-V development platform modeled in QEMU, commonly used for running and testing 64-bit RISC-V software in a virtualized environment.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.