INSTRUCTION SET REFERENCE
6-69
6
6.2.36
inten
Mnemonic:
inten
global interrupt enable
Format:
inten
Description:
Globally enables interrupts and ensures that the change takes effect before the
instruction completes. This operation is implemented by clearing ICON.gie to
zero.
Action:
if (PC.em != supervisor)
generate_fault(TYPE.MISMATCH);
# Implemented by clearing ICON.gie to zero.
globally_enable_interrupts;
global_interrupt_enable = true;
order_wrt(subsequent_instructions);
Faults:
STANDARD
Refer to
section 6.1.6, “Faults” (pg. 6-5)
.
TYPE.MISMATCH
Attempt to execute instruction while not in
supervisor mode.
Example:
# ICON.gie = 1, interrupts disabled.
inten
# Enable interrupts.
# ICON.gie = 0
Opcode:
inten
5B5H
REG
See Also:
intctl, intdis
Notes:
This instruction is implemented on the 80960Rx, 80960Hx and 80960Jx pro-
cessor families only, and may or may not be implemented on future i960 pro-
cessors.
Summary of Contents for i960 Jx
Page 1: ...Release Date December 1997 Order Number 272483 002 i960 Jx Microprocessor Developer s Manual ...
Page 24: ......
Page 25: ...1 INTRODUCTION ...
Page 26: ......
Page 35: ...2 DATA TYPES AND MEMORY ADDRESSING MODES ...
Page 36: ......
Page 46: ......
Page 47: ...3 PROGRAMMING ENVIRONMENT ...
Page 48: ......
Page 73: ...4 CACHE AND ON CHIP DATA RAM ...
Page 74: ......
Page 85: ...5 INSTRUCTION SET OVERVIEW ...
Page 86: ......
Page 111: ...6 INSTRUCTION SET REFERENCE ...
Page 112: ......
Page 233: ...7 PROCEDURE CALLS ...
Page 234: ......
Page 256: ......
Page 257: ...8 FAULTS ...
Page 258: ......
Page 291: ...9 TRACING AND DEBUGGING ...
Page 292: ......
Page 309: ...10 TIMERS ...
Page 310: ......
Page 324: ......
Page 325: ...11 INTERRUPTS ...
Page 326: ......
Page 369: ...12 INITIALIZATION AND SYSTEM REQUIREMENTS ...
Page 370: ......
Page 412: ......
Page 413: ...13 MEMORY CONFIGURATION ...
Page 414: ......
Page 429: ...14 EXTERNAL BUS ...
Page 430: ......
Page 468: ......
Page 469: ...15 TEST FEATURES ...
Page 470: ......
Page 493: ...A CONSIDERATIONS FOR WRITING PORTABLE CODE ...
Page 494: ......
Page 502: ......
Page 503: ...B OPCODES AND EXECUTION TIMES ...
Page 504: ......
Page 515: ...C MACHINE LEVEL INSTRUCTION FORMATS ...
Page 516: ......
Page 523: ...D REGISTER AND DATA STRUCTURES ...
Page 524: ......
Page 550: ......
Page 551: ...GLOSSARY ...
Page 552: ......
Page 561: ...INDEX ...
Page 562: ......
Page 578: ......