内容
i
内容
处理 预防措施
1. 介绍 ........................................................................................................................................... 1-1
2. 特性................................................................................................................................................... 2-1
3. tx49 块 图解 ............................................................................................................................. 3-1
4. cpu 寄存器 overview....................................................................................................................... 4-1
4.1 介绍 ................................................................................................................................... 4-1
4.2 cpu 寄存器................................................................................................................................ 4-1
4.3 cp0 寄存器................................................................................................................................. 4-2
5. cpu 操作指南 设置 summary ............................................................................................................ 5-1
5.1 介绍 ................................................................................................................................... 5-1
5.2 操作指南 format........................................................................................................................ 5-1
5.3 操作指南 设置 overview.............................................................................................................. 5-2
5.3.1 加载 和 store 说明 (表格 5-1) .............................................................................. 5-2
5.3.2 computational 说明 (表格 5-2)............................................................................... 5-3
5.3.3 jump 和 branch 说明 (表格 5-3).......................................................................... 5-4
5.3.4 特定的 说明 (表格 5-4)............................................................................................ 5-5
5.3.5 例外 说明 (表格 5-5) ....................................................................................... 5-5
5.3.6 coprocessor 说明 (表格 5-6).................................................................................... 5-6
5.3.7 cp0 说明 (表格 5-7)................................................................................................. 5-6
5.3.8 乘以 和 分隔 说明 (表格 5-8)...................................................................... 5-7
5.3.9 debug 说明 (表格 5-9).............................................................................................5-7
5.3.10 其它 说明 (表格 5-10)............................................................................................ 5-7
5.4 操作指南 执行 循环........................................................................................................ 5-7
5.5 defining 进入 类型................................................................................................................... 5-8
6. cpu pipeline ......................................................................................................................................... 6-1
6.1 介绍 ................................................................................................................................... 6-1
6.2 基本 pipeline 运作............................................................................................................... 6-1
6.3 tx49 pipeline activities................................................................................................................ 6-2
6.4 branch 和 加载 延迟................................................................................................................. 6-3
6.4.1 delayed 加载........................................................................................................................... 6-3
6.4.2 delayed branching................................................................................................................. 6-3
6.5 非-blocking 加载 函数......................................................................................................... 6-4
6.6 interlock 和 例外 处理 ............................................................................................... 6-4
6.6.1 overview 的 interlock 和 例外 处理 .................................................................. 6-4
6.6.2 例外 情况............................................................................................................. 6-6
6.6.3 stall 情况 ..................................................................................................................... 6-6
6.6.4 外部 stalls....................................................................................................................... 6-6
6.6.5 interlock 和 例外 定时........................................................................................... 6-6
6.7 乘以 和 乘以/增加 说明 (mult, multu, madd, maddu)......................... 6-7
6.8 分隔 说明 (div, divu).................................................................................................. 6-7
6.9 streaming....................................................................................................................................... 6-7
7. 系统 控制 coprocessor, cp0 ........................................................................................................ 7-1
7.1 介绍 ................................................................................................................................... 7-1
7.2 cp0 寄存器................................................................................................................................. 7-2
7.2.1 index 寄存器 (reg
#
0)........................................................................................................... 7-2
7.2.2 随机的 寄存器 (reg
#
1)....................................................................................................... 7-3
7.2.3 entrylo0 寄存器 (reg
#
2) 和 entrylo1 寄存器 (reg
#
3)................................................. 7-4
7.2.4 context 寄存器 (reg
#
4) ....................................................................................................... 7-5
7.2.5 pagemask 寄存器 (reg
#
5) .................................................................................................. 7-6
7.2.6 连线的 寄存器 (reg
#
6) ......................................................................................................... 7-7
7.2.7 badvaddr 寄存器 (reg
#
8).................................................................................................. 7-8
7.2.8 计数 寄存器 (reg
#
9) ......................................................................................................... 7-9
7.2.9 entryhi 寄存器 (reg
#
10).................................................................................................. 7-10
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