NonStop S-Series Server Description Manual (G06.24+)

TNS Execution Modes
HP NonStop S-Series Server Description Manual—520331-003
6-83
Maintaining TNS State Values
byte address) forms of the S and L pointers to the TNS data stack. Because the TNS
stack is in segment 0 of region 0, these addresses can be converted to 16-bit word
addresses with a one-bit shift. The registers are designated SX and LX.
Figure 6-44. Most TNS State Values Are Kept in RISC General-Purpose Registers
KCarry
KCarry
Pmap Midpoint
SX
LX
Pmap Midpoint
SX
LX
ENV
ENV
Condition Code (CC)
$14 t6
$15 t7
$16 s0
$17 s1
$18 s2
$19 s3
$20 s4
$21 s5
$22 s6
$23 s7
$24 t8
$25 t9
$26
$27
$28 gp
$29 sp
$30 s8
$31 ra
Condition Code (CC)
$1 at
RP Wrap Base
Current Code Seg.
RP Address
TNS PX
User Code Seg.
R0
R1
R2
R3
R4
R5
R6
R7
User Code Seg.
General-Purpose
RISC Registers Executing
Accelerated
Object Code
Executing
Interpreter
Millicode
VST309.vsd