arm.h

嵌入式系统开发用源代码 包含At91C arm芯片相关各种例程 包括整数性能测试,浮点测试,硬件驱动等

//*-----------------------------------------------------------------------------
//*      ATMEL Microcontroller Software Support  -  ROUSSET  -
//*-----------------------------------------------------------------------------
//* The software is delivered "AS IS" without warranty or condition of any
//* kind, either express, implied or statutory. This includes without
//* limitation any warranty or condition with respect to merchantability or
//* fitness for any particular purpose, or against the infringements of
//* intellectual property rights of others.
//*-----------------------------------------------------------------------------
//* File Name           : arm.h
//* Object              : Arm7TDMI Definition File
//* Translator          : ARM Software Development Toolkit V2.11a
//*
//* 1.0 08/09/98 JCZ    : Creation
//* 2.0 21/10/98 JCZ    : Clean up
//*-----------------------------------------------------------------------------

#ifndef arm_h
#define arm_h

//*-------------------------
//* ARM Mode and Status Bits
//*-------------------------

#define     ARM_MODE_USER       0x10
#define     ARM_MODE_FIQ        0x11
#define     ARM_MODE_IRQ        0x12
#define     ARM_MODE_SVC        0x13
#define     ARM_MODE_ABORT      0x17
#define     ARM_MODE_UNDEF      0x1B
#define     ARM_MODE_SYS        0x1F

#define     I_BIT               0x80
#define     F_BIT               0x40
#define     T_BIT               0x20

#endif /* arm_h */