參數(shù)資料
型號: μPD30100
廠商: NEC Corp.
英文描述: 64-bit RISC Microprosessor(64位 RISC 微處理器)
中文描述: 64位RISC Microprosessor(64位的RISC微處理器)
文件頁數(shù): 17/52頁
文件大?。?/td> 365K
代理商: ΜPD30100
17
μ
PD30100
Table 3-3. CP0 Registers
Number
Register
Description
0
Index
Programmable pointer to TLB array
1
Random
Random pointer to TLB array (read-only)
2
Entry Lo0
Second half of TLB entry for even VPN
3
Entry Lo1
Second half of TLB entry for odd VPN
4
Context
Pointer to virtual PTE table of kernel in 32-bit mode
5
Page mask
Specifies page size
6
Wired
Number of wired TLB entries
7
RFU (Reserved for Future Use)
8
BadVAddr
Displays virtual address at which error last occurred
9
Count
Timer count
10
Entry Hi
First half of TLB entry (includes ASID)
11
Compare
Timer comparison value
12
Status
Sets operation status
13
Cause
Displays cause of last exception
14
EPC
Exception program counter
15
PRId
Processor revision ID
16
Config
Sets memory system mode
17
LLAddr
Displays address of LL instruction
18
Watch Lo
Lower bits of memory reference trap address
19
Watch Hi
Higher bits of memory reference trap address
20
X context
Pointer to virtual PTE table of kernel in 64-bit mode
21 to 25
RFU
26
Parity error
Parity bit of cache
27
Cache error
Cache error and status register
28
Tag Lo
Cache register, low
29
Tag Hi
Cache register, high (reserved register)
30
Error EPC
Error exception program counter
31
RFU
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