Sun Microsystems UltraSPARC-I - Page 392

Sun Microelectronics
377
I Index
graphics instructions 293
Graphics Status Register (GSR) 197, 304
Graphics Unit (GRU) 7
illustrated 5
Group (G) Stage
illustrated 11
group break 287
Grouping (G) Stage 13
grouping rules
general 282
H
hardware errors
fatal 40
hardware interrupts 253
hardware table walking 47
hardware_error floating-point trap type 246, 358
hiding cache misses 8
high-water mark
for stores 278
I
I/0 devices 278
I/O access 38
I/O accesses 33
I/O control registers 30
I/O memory 256
IC, see I-Cache Enable (IC) field of LSU_Control_
Register
I-Cache 17, 94, 170, 177, 266, 277, 306, 309
access statistics 323
disabled in RED_state 169
flush 28
miss 283, 324
miss latency 267
miss processing 313
utilization 270
I-Cache coherency 18
I-Cache diagnostic accesses 50
I-Cache Enable (IC) field of LSU_Control_
Register 177, 306
I-Cache hit 17
I-Cache Instruction Access Address 310
illustrated 310
I-Cache Instruction Access Data 310
illustrated 310
I-Cache miss processing 265
I-Cache organization 262
illustrated 262, 309
I-Cache Predecode Field Access Address 311
illustrated 311
I-Cache Predecode Field Access Data 311
I-Cache Predecode Field LDDA Access Data
illustrated 311
I-Cache Predecode Field STXA Access Data
illustrated 311
I-Cache Tag/Valid Access Address
illustrated 310
I-Cache Tag/Valid Access Data
illustrated 311
I-Cache Tag/Valid Field Access Address 310
I-Cache Tag/Valid Field Access Data 311
I-Cache timing 265
ICRF, see Integer Core Register File (ICRF)
ID, see Modeul Identification (ID) field of UPA_
PORT_ID register
IE, see Interrupt Enable (IE) field of PSTATE register
IEEE Std 1149.1-1990 329
IEEE Std 754-1985 245
IEEE_754_exception floating-point trap
type 246, 358
IEU
0
pipeline 284
IEU
1
pipeline 284
IG, see Interrupt Global (IG) field of PSTATE register
illegal address aliasing 28
illegal_instruction trap 156 to157, 159,167, 226, 231,
235, 238, 247 to 249, 253
ILLTRAP instructions 235
IM, see Enable I-MMU (IM) field of LSU_Control_
Register
image compression algorithms 3
image processing 3
two-demensional 7
two-dimensional 7
I-MMU 52
disabled in RED_state 169
I-MMU disabled 38
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