RISC-V ISA Explorer · Caches
Zicbom: Cache Management Operations
Ratified 2022-05 · version 1.0.0
Instructions to invalidate, clean or flush a cache block by address, for DMA and device-shared buffers.
Typical use: Keeping caches coherent with DMA and devices
Open Zicbom in the explorerInstructions (3)
| Mnemonic | Name | Encoding | Match | Mask |
|---|---|---|---|---|
CBO.CLEAN | Cache Block Clean | 000000000001-----010000000001111 | 0x10200f | 0xfff07fff |
CBO.FLUSH | Cache Block Flush | 000000000010-----010000000001111 | 0x20200f | 0xfff07fff |
CBO.INVAL | Cache Block Invalidate | 000000000000-----010000000001111 | 0x200f | 0xfff07fff |