calm32-regs.h

来自「eCos操作系统源码」· C头文件 代码 · 共 88 行

#ifndef CYGONCE_HAL_CALM32_REGS_H
#define CYGONCE_HAL_CALM32_REGS_H
//========================================================================
//
//      calm32-regs.h
//
//      Register defines for CalmRISC 16 processors
//
//========================================================================
//####ECOSGPLCOPYRIGHTBEGIN####
// -------------------------------------------
// This file is part of eCos, the Embedded Configurable Operating System.
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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// or inline functions from this file, or you compile this file and link it
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//####ECOSGPLCOPYRIGHTEND####
//========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s):     Red Hat, msalter
// Contributors:  Red Hat, msalter
// Date:          2001-02-12
// Purpose:       
// Description:   Register defines for CalmRISC 16 processors
// Usage:         
//
//####DESCRIPTIONEND####
//
//========================================================================

#include <pkgconf/hal.h>

#ifdef CYGARC_HAL_COMMON_EXPORT_CPU_MACROS

// This value must agree with NUMREGS in calm32-stub.h.

#define NUM_REGS 23

#define REG_SIZE 4

// Status register fields
#define SR_T            0x00000001      // TRUE flag
#define SR_V            0x00000008      // Overflow flag
#define SR_Z0           0x00000010      // R6 Zero flag
#define SR_Z1           0x00000020      // R7 Zero flag.
#define SR_DS           0x00000040      // Divisor sign
#define SR_QT           0x00000080      // Quotient
#define SR_BX           0x00001000      // Byte sign extension
#define SR_HX           0x00002000      // Halfword sign extension
#define SR_SYSX_MASK    0x000f0000      // system extension
#define SR_SYSX_SHIFT   16
#define SR_IE           0x01000000      // IRQ enable
#define SR_FE           0x02000000      // FIQ enable
#define SR_TE           0x04000000      // Trace enable
#define SR_BS           0x10000000      // FIQ enable
#define SR_RS0          0x20000000      // Register bank select
#define SR_RS1          0x40000000      // Register bank select
#define SR_PM           0x80000000      // Privilege mode

#endif // ifdef CYGARC_HAL_COMMON_EXPORT_CPU_MACROS

#endif // ifndef CYGONCE_HAL_CALM32_REGS_H