Sun Microelectronics
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Contents
8.4 Ancillary State Registers............................................................................................. 156
8.5 Other UltraSPARC Registers..................................................................................... 158
8.6 Supported Traps.......................................................................................................... 158
9. Interrupt Handling ............................................................................................................... 161
9.1 Interrupt Vectors ......................................................................................................... 161
9.2 Interrupt Global Registers.......................................................................................... 163
9.3 Interrupt ASI Registers............................................................................................... 163
9.4 Software Interrupt (SOFTINT) Register................................................................... 166
10. Reset and RED_state............................................................................................................. 169
10.1 Overview ...................................................................................................................... 169
10.2 RED_state Trap Vector ............................................................................................... 171
10.3 Machine State after Reset and in RED_state............................................................ 171
11. Error Handling....................................................................................................................... 175
11.1 Overview ...................................................................................................................... 175
11.2 Memory Errors............................................................................................................. 178
11.3 Memory Error Registers............................................................................................. 179
11.4 UltraSPARC Data Buffer (UDB) Control Register.................................................. 185
11.5 Overwrite Policy.......................................................................................................... 185
Section III — UltraSPARC and SPARC-V9
12. Instruction Set Summary..................................................................................................... 189
13. UltraSPARC Extended Instructions................................................................................... 195
13.1 Introduction.................................................................................................................. 195
13.2 SHUTDOWN ............................................................................................................... 195
13.3 Graphics Data Formats............................................................................................... 196
13.4 Graphics Status Register (GSR)................................................................................. 197
13.5 Graphics Instructions.................................................................................................. 198
13.6 Memory Access Instructions...................................................................................... 225
14. Implementation Dependencies.......................................................................................... 235
14.1 SPARC-V9 General Information ............................................................................... 235
14.2 SPARC-V9 Integer Operations .................................................................................. 240
14.3 SPARC-V9 Floating-Point Operations...................................................................... 242
14.4 SPARC-V9 Memory-Related Operations................................................................. 247
14.5 Non-SPARC-V9 Extensions ....................................................................................... 249
15. SPARC-V9 Memory Models ............................................................................................... 255
15.1 Overview ...................................................................................................................... 255
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