pTAL Reference Manual (H06.08+)

Built-In Routines

HP pTAL Reference Manual—523746-006

15-95

$WRITEPTE

$WRITEPTE writes a segment-page-table entry.

ptetag input

uINT:value

are the page attribute bits associated with pageframe.

pageframe input

INT(32):value

is the frame number of the physical frame associated with abs.

abs input

EXTADDR:value

is the virtual address to which $WRITEPTE maps pageframe.

Note. The EpTAL compiler does not support this procedure.

pTAL privileged procedure Yes

Can be executed only by privileged procedures Yes

Sets condition code No

Sets $CARRY Yes

Sets $OVERFLOW No

Example 15-95. $WRITEPTE Routine

INT ptetag;

INT(32) pageframe;

EXTADDR abs;

$WRITEPTE(ptetag, pageframe, abs);

) :

abs

$WRITEPTE (

ptetag

pageframe

VST656.vsd