hal_cygm.h

ecos为实时嵌入式操作系统

#ifndef CYGONCE_HAL_CYGM_H
#define CYGONCE_HAL_CYGM_H

//=============================================================================
//
//      hal_cygm.h
//
//      HAL CygMon vector definitions
//
//=============================================================================
//####COPYRIGHTBEGIN####
//
// -------------------------------------------
// The contents of this file are subject to the Cygnus eCos Public License
// Version 1.0 (the "License"); you may not use this file except in
// compliance with the License.  You may obtain a copy of the License at
// http://sourceware.cygnus.com/ecos
// 
// Software distributed under the License is distributed on an "AS IS"
// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See the
// License for the specific language governing rights and limitations under
// the License.
// 
// The Original Code is eCos - Embedded Cygnus Operating System, released
// September 30, 1998.
// 
// The Initial Developer of the Original Code is Cygnus.  Portions created
// by Cygnus are Copyright (C) 1998,1999 Cygnus Solutions.  All Rights Reserved.
// -------------------------------------------
//
//####COPYRIGHTEND####
//=============================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s):   hmt
// Contributors:        hmt
// Date:        1999-02-24
// Purpose:     Define Interrupt vectors in CygMon
// Description: 
//              
// Usage:
//              #include <cyg/hal/hal_cygm.h>
//              ...
//              
//
//####DESCRIPTIONEND####
//
//=============================================================================

#include <pkgconf/system.h>
#include <pkgconf/hal.h>
#include <pkgconf/hal_sparclite.h>
#include <pkgconf/hal_sparclite_sleb.h>

// *** THIS FILE IS ALSO USED IN ASSEMBLY SOURCE ***
// so it does not include eg. cyg_type.h ...

#ifdef CYG_HAL_USE_ROM_MONITOR_CYGMON

//-----------------------------------------------------------------------------
// SPARClite CygMon vector numbers and address

#define CYGMON_VECTOR_TABLE_BASE (0x04000000)

#define CYGMON_VECTOR_TABLE ((CYG_ADDRESS *)CYGMON_VECTOR_TABLE_BASE)

// The ROM vector table is located at 0x04000000 and has the
// following layout:

#define BSP_EXC_IACCESS     0   /* insn access */
#define BSP_EXC_ILL         1   /* illegal insn */
#define BSP_EXC_IPRIV       2   /* privileged insn */
#define BSP_EXC_FPDIS       3   /* FPU disabled */
#define BSP_EXC_WINOVF      4   /* window overflow */
#define BSP_EXC_WINUND      5   /* window underflow */
#define BSP_EXC_ALIGN       6   /* alignment */
#define BSP_EXC_DACCESS     7   /* data access */
#define BSP_EXC_TAGOVF      8   /* tag overflow */
#define BSP_EXC_INT1        9
#define BSP_EXC_INT2       10
#define BSP_EXC_INT3       11
#define BSP_EXC_INT4       12
#define BSP_EXC_INT5       13
#define BSP_EXC_INT6       14
#define BSP_EXC_INT7       15   /* serial Ch0 rxrdy */
#define BSP_EXC_INT8       16
#define BSP_EXC_INT9       17
#define BSP_EXC_INT10      18   /* serial Ch0 rxrdy */
#define BSP_EXC_INT11      19
#define BSP_EXC_INT12      20
#define BSP_EXC_INT13      21
#define BSP_EXC_INT14      22   /* ethernet interrupt */
#define BSP_EXC_INT15      23
#define BSP_EXC_CPDIS      24   /* CP disabled */
#define BSP_EXC_BREAK      25   /* breakpoint "ta 1" */
#define BSP_EXC_WINFLUSH   26   /* window flush "ta 3" */
#define BSP_EXC_SYSCALL    27   /* syscall "ta 8" */
#define BSP_EXC_DEBUG      28   /* DSU exception */
#define BSP_EXC_TRAP       29   /* all other traps */
#define BSP_VEC_MT_DEBUG   30   /* Multi-Threaded debugging */
#define BSP_VEC_STUB_ENTRY 31   /* low level stub entry, eg. ^C rx */

// These vectors should be called with:
//
//  %l0 - PSR
//  %l1 - PC
//  %l2 - NPC
// [%l3 - TBR ;  STUB_ENTRY only, TBR from original exception ]

#define BSP_NOTVEC_BSP_COMM_PROCS 32 /* pointer to structure for comms */

#endif // CYG_HAL_USE_ROM_MONITOR_CYGMON

//-----------------------------------------------------------------------------
#endif // ifndef CYGONCE_HAL_CYGM_H
// End of hal_cygm.h