Other Ultrasparc Registers; Supported Traps - Sun Microsystems UltraSPARC-I User Manual

raSPARC User's Manual
Suggested Assembly Language Syntax
%pcr, reg
rd
reg
wr
rs1
%pic, reg
rd
reg
wr
rs1
%gsr, reg
rd
reg
wr
rs1
reg
wr
rs1
reg
wr
rs1
%softint, reg
rd
reg
wr
rs1
%tick_cmpr, reg
rd
reg
wr
rs1
%dcr, reg
rd
reg
wr
rs1

5 Other UltraSPARC Registers

Table 8-5 lists additional sets of 64-bit global registers supported by UltraSPARC.
Table 8-5 Other UltraSPARC Registers
Register Name
INTERRUPT_GLOBAL_REG
MMU_GLOBAL_REG

6 Supported Traps

Table 8-6 lists the traps supported by UltraSPARC.
Table 8-6 Traps Supported in UltraSPARC
Exception or Interrupt Request
Reserved
power_on_reset
watchdog_reset
externally_initiated_reset
software_initiated_reset
RED_state_exception
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instruction_access_exception
rd
,%pcr
rd
,%pic
rd
,%gsr
,%clear_softint
,%set_softint
rd
,%softint
rd
,%tick_cmpr
rd
,%dcr
Access
RW
RW
Description
8 Interrupt handler globals
8 MMU handler globals
9
Globals TT
— 000
16
AG 001
16
AG 002
16
AG 003
16
AG 004
16
AG 005
16
MG 008
16
Section
14.5.9
14.5.9
Priority
n/a
0
1
1
1
1
1
1
1
1
5