參數(shù)資料
型號(hào): Alpha 21164
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: Alpha Microprocessor(64位微處理器)
中文描述: 阿爾法微處理器(64位微處理器)
文件頁數(shù): 58/115頁
文件大?。?/td> 846K
代理商: ALPHA 21164
58
Internal Processor Registers
External Interface Control (CBU) IPRs
8.2 External Interface Control (CBU) IPRs
Table 11 summarizes IPRs for controlling Scache, Bcache, system configuration, and
logging error information. These IPRs cannot be read or written from the system.
They are placed in the 1MB region of 21164-specific I/O address space ranging from
FF FFF0 0000 to FF FFFF FFFF. Any read or write operation to an undefined IPR in
this address space produces UNDEFINED behavior. The operating system should
not map any address in this region as writable in any mode.
VA_FORM
Formatted virtual address
R
207
MVPTBR
MTU virtual page table base
W
208
DTB_IAP
Dstream translation buffer invalidate
all process
W
209
DTB_IA
Dstream translation buffer invalidate
all
W
20A
DTB_IS
Dstream translation buffer invalidate
single
W
20B
ALT_MODE
Alternate mode
W
20C
CC
Cycle counter
W
20D
CC_CTL
Cycle counter control
W
20E
MCSR
MTU control
R/W
20F
DC_FLUSH
Dcache flush
W
210
DC_PERR_STAT
Dcache parity error status
R/W1C
212
DC_TEST_CTL
Dcache test tag control
R/W
213
DC_TEST_TAG
Dcache test tag
R/W
214
DC_TEST_TAG_TEMP Dcache test tag temporary
R/W
215
DC_MODE
Dcache mode
R/W
216
MAF_MODE
Miss address file mode
R/W
217
Table 10 IDU, MTU, Dcache, and PALtemp IPRs
(Sheet 4 of 4)
IPR Mnemonic
Register Name
Access
Index
16
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