Data Structures and Memory Layout
D.3 VMB Argument List
Table D–3 (Cont.) VMB Argument List
(AP)+
Field Name
Description
1C:
VMB$Q_UCODE
Quadword.
24:
VMB$B_SYSTEMID
48-bit (actually a quadword is allocated) booting
node address which is initialized when performing
a network boot. This field is copied from
the Target System Address parameter of the
parameters message. (The DECnet HIORD value
is added if the field was two bytes.)
2C:
VMB$L_FLAGS
Set as needed.
30:
VMB$L_CI_HIPFN
Cluster interface high PFN.
34:
VMB$Q_NODENAME
Boot node name which is initialized when
performing a network boot. This field is copied
from the Target System Name parameter of the
parameters message.
3C:
VMB$Q_HOSTADDR
Host node address (this value is only initialized
when booting over the network). This field is
copied from the Host System Address parameter of
the parameters message.
44:
VMB$Q_HOSTNAME
Host node name (this value is only initialized
when performing a network boot). This field is
copied from the Host System Name parameter of
the parameters message.
4C:
VMB$Q_TOD
Time of day (this value is only initialized when
performing a network boot). The time of day
is copied from the first eight bytes of the Host
System Time parameter of the parameters
message. (The time differential values are NOT
copied.)
54:
VMB$L_XPARAM
Pointer to data retrieved from request of the
parameter file.
58:
The rest of the argument list is zeroed.
.
Data Structures and Memory Layout D–11
