GIC-400寄存器 之CPU接口

偏移名称可读写类型复位描述0x0000GICC_CTLRRW0x00000000

CPU Interface Control Register 

使能位。写入1使能

0x0004
GICC_PMR

RW

0x00000000

Interrupt Priority Mask Register

限制中断最低优先级，高于此值无法中断，最好写大一点

0x0008

GICC_BPR

RW

0x00000002

Binary Point Register

The minimum value of the Binary Point Register depends on which security-banked copy is considered:

0x2

Secure copy

0x3

Non-secure copy

优先级分组

0x000CGICC_IAR

RO

0x000003FF

Interrupt Acknowledge Register

只读，读取中断id

0x0010GICC_EOIRWO-

End of Interrupt Register

写入以告知cpu已经处理完中断

0x0014

GICC_RPRRO0x000000FF

Running Priority Register

当前中断优先级

0x0018GICC_HPPIR

RO

0x000003FF

Highest Priority Pending Interrupt Register 

最高优先级中断号及其pend值

0x001CGICC_ABPRRWx00000003

Aliased Binary Point Register

The minimum value of the Aliased Binary Point Register is 0x3.

别名寄存器

0x0020GICC_AIARRO0x000003FF

Aliased Interrupt Acknowledge Register

别名寄存器

0x0024GICC_AEOIRWO

-

Aliased End of Interrupt Register

别名寄存器

0x0028GICC_AHPPIR

RO

0x000003FF

Aliased Highest Priority Pending Interrupt Register^[

别名寄存器

0x1000GICC_DIR

WO

-

Deactivate Interrupt Register

0x00FC

GICC_IIDRRO

0x0202143B

存着版本信息

0x00E0

GICC_NSAPR0

RW

0x00000000

Non-Secure Active Priority Register

用于保存和恢复