SVR5 and SCO OpenServer 5
OpenMemory(D4pccard)
OpenMemory --
describe open area of PC Card memory card
Syntax (Used with unsupported services)
#include <sys/lcs.h>
#include <sys/lss.h>
Description
The OpenMemory structure
is used to open an area of a memory card
to allow read, write, copy memory, and erase operations.
It associates an MTD (Memory Technology Driver)
and an absolute card offset with a memory handler.
Structure definition
typedef struct OpenMemory_t
{
unsigned short usSocket;
unsigned short usAttributes;
unsigned long ulOffset;
} OpenMemory_t;
Structure members
The members are defined as:
usSocket
-
Logical socket.
usAttributes
-
bit 0-
bit 1-
bit 2-
bits 3-4-
Prefetchable/cacheable memory (set to one = true)
0-
Neither
1-
Preferable only
2-
Both
3-
Reserved value; do not use.
bit 5-12-
Reserved (reset to zero).
bit 13-15-
Base address register number (1-7)
ulOffset
-
Card offset for area to open.
Usage
Hardware applicability
All
Version applicability
pccard:
1, 2, 3
References
OpenMemory(D3pccard)
19 June 2005
© 2005 The SCO Group, Inc. All rights reserved.
OpenServer 6 and UnixWare (SVR5) HDK - June 2005