AMD AMD5K86 - Page 12

AMD~
185248/0- Mar1996
AMD5[(fJ6 Processor Technical Reference Manual
List of Figures
FIGURE 2-1.
FIGURE 2-2.
FIGURE 3-l.
FIGURE 3-2.
FIGURE 3-3.
FIGURE 3-4.
FIGURE 3-5.
FIGURE 3-6.
FIGURE 3-7.
FIGURE 3-8.
FIGURE 3-9.
FIGURE 5-l.
FIGURE 5-2.
FIGURE 5-3.
FIGURE 5-4.
Internal Architecture, with Pipeline Stage . . . . . . . . . . . 2-2
Pipeline Stage Functions . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
Control Register 4 (CR4) .......................... 3-2
4-Kbyte
Paging Mechanism ........................ 3-5
4-Mbyte
Paging Mechanism ........................ 3-6
Page-Directory
Entry (PDE) ........................ 3-7
Page-Table
Entry (PTE) .......................... 3-10
EFLAGS
Register ............................... 3-15
Task State Segment (TSS) ........................ 3-22
Machine-Check Address Register (MCAR) . . . . . . . . . . 3-25
Machine-Check
Type Register (MCTR) ............. 3-26
Signal Groups ................................. _ .. 5-3
Single-Transfer Memory Read and Write ........... 5-144
Single-Transfer
Memory Write Delayed by
EWBE Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 5-146
I/O Read and Write ............................. 5-147
FIGURE 5-5. Single-Transfer Misaligned Memory and
FIGURE 5-6.
FIGURE 5-7.
FIGURE 5-8.
FIGURE 5-9.
FIGURE 5-10.
FIGURE 5-1l.
FIGURE 5-12.
FIGURE 5-13.
FIGURE 5-14.
I/O Transfers .................................. 5-149
Burst Reads ................................... 5-152
Burst Read (NA Sampled) ....................... 5-153
Burst Writeback Due To Cache-Line Replacement ... 5-156
AHOLD-Initiated
Inquire Miss ................... 5-159
AHOLD-Initiated
Inquire Hit to Shared or
Exclusive Line ................................. 5-160
AHOLD-Initiated Inquire Hit to Modified Line ...... 5-162
Basic
BUFF Operation .......................... 5-164
BUFF-Initiated Inquire Hit to Modified Line ........ 5-166
HOLD-Initiated
Inquire Hit to Shared or
Exclusive Line ................................. 5-168
FIGURE 5-15. HOLD-Initiated Inquire Hit to Modified Line ....... 5-169
FIGURE 5-16. Basic Locked Operation ......................... 5-171
FIGURE 5-17. TLB Miss (4-Kbyte Page) ........................ 5-173
FIGURE 5-18. Locked Operation with BUFF Intervention ......... 5-175
FIGURE 5-19A. Interrupt Acknowledge Operation Part 1. . . . . . . . . .. 5-178
FIGURE 5-19B. Interrupt Acknowledge Operation Part 2 ........... 5-179
FIGURE 5-19C. Interrupt Acknowledge Operation Part 3 ........... 5-180
FIGURE 5-20. Basic Special Bus Cycle (Halt Cycle) .............. 5-182
FIGURE 5-21. Shutdown Cycle ................................ 5-183
FIGURE 5-22. FLUSH-Acknowledge Cycle ...................... 5-184
FIGURE 5-23. Cache-Invalidation Cycle (INVD Instruction) ....... 5-185
FIGURE 5-24A. Cache-Writeback and Invalidation Cycle
(WBINVD
Instruction) Part 1. .................... 5-186
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