Zeros a buffer described by a cross memory descriptor.
Item | Description |
---|---|
dp | The cross memory descriptor. |
uaddr | The address in the buffer to begin zeroing. |
count | The number of bytes to be zeroed. |
The xmemzero kernel service zeros a buffer described by a cross memory descriptor. The page specified must be in memory.
The xmemzero kernel service can be called from a process or an interrupt environment.
Item | Description |
---|---|
XMEM_SUCC | Indicates the area in the buffer has been zeroed. |
XMEM_FAIL | Indicates one of the following errors:
|