config.inc

来自「一个简单实用的嵌入式操作系统,实现了嵌入式操作系统的基本模块：内存管理、系统调度」· INC 代码 · 共 15 行

@ Standard definitions of Mode bits and Interrupt (I & F) flags in PSRs
.equ Mode_USR, 0x10
.equ Mode_FIQ, 0x11
.equ Mode_IRQ, 0x12
.equ Mode_SVC, 0x13
.equ Mode_ABT, 0x17
.equ Mode_UND, 0x1B
.equ Mode_SYS, 0x1F @ available on ARM Arch v4 and later
.equ I_Bit, 0x80 @ when I bit is set, IRQ is disabled
.equ F_Bit, 0x40 @ when F bit is set, FIQ is disabled
.equ INTON, 0x00 @ enable the interrupt