hal_intr.h

实现快速傅立叶变换算法,provides test framwork for FFT testing

#ifndef CYGONCE_HAL_HAL_INTR_H
#define CYGONCE_HAL_HAL_INTR_H

//==========================================================================
//
//      hal_intr.h
//
//      ColdFire interrupt/exception support
//
//==========================================================================
//####ECOSGPLCOPYRIGHTBEGIN####
// -------------------------------------------
// This file is part of eCos, the Embedded Configurable Operating System.
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
// Copyright (C) 2006 eCosCentric Ltd.
//
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// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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// with eCos; if not, write to the Free Software Foundation, Inc.,
// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
//
// As a special exception, if other files instantiate templates or use macros
// or inline functions from this file, or you compile this file and link it
// with other works to produce a work based on this file, this file does not
// by itself cause the resulting work to be covered by the GNU General Public
// License. However the source code for this file must still be made available
// in accordance with section (3) of the GNU General Public License.
//
// This exception does not invalidate any other reasons why a work based on
// this file might be covered by the GNU General Public License.
// -------------------------------------------
//####ECOSGPLCOPYRIGHTEND####
//==========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s):     Enrico Piria
// Contributors:
// Date:          2005-25-06
// Purpose:       Provide ColdFire-specific interrupt and exception
//                definitions.
// Usage:         #include <cyg/hal/hal_intr.h>
//
//####DESCRIPTIONEND####
//========================================================================

#include <pkgconf/hal.h>
#include <cyg/infra/cyg_type.h>
#include <cyg/hal/hal_arch.h>

#include <cyg/hal/var_intr.h>

#include <cyg/infra/cyg_ass.h>      // CYG_FAIL

// -------------------------------------------------------------------------
// ColdFire exception vectors. These correspond to VSRs and are the values
// to use for HAL_VSR_GET/SET.

#define CYGNUM_HAL_VECTOR_RESETSP           0
#define CYGNUM_HAL_VECTOR_RESETPC           1
#define CYGNUM_HAL_VECTOR_BUSERR            2
#define CYGNUM_HAL_VECTOR_ADDRERR           3
#define CYGNUM_HAL_VECTOR_ILLINST           4
#define CYGNUM_HAL_VECTOR_ZERODIV           5

// Exception vectors 6-7 are reserved

#define CYGNUM_HAL_VECTOR_PRIVVIOLATION     8
#define CYGNUM_HAL_VECTOR_TRACE             9
#define CYGNUM_HAL_VECTOR_L10               10
#define CYGNUM_HAL_VECTOR_L11               11
#define CYGNUM_HAL_VECTOR_DEBUG12           12
#define CYGNUM_HAL_VECTOR_DEBUG13           13
#define CYGNUM_HAL_VECTOR_FORMAT            14
#define CYGNUM_HAL_VECTOR_UNINITINT         15

// Exception vectors 16-23 are reserved

#define CYGNUM_HAL_VECTOR_SPURINT           24

#define CYGNUM_HAL_VECTOR_AUTOVEC1          25
#define CYGNUM_HAL_VECTOR_AUTOVEC2          26
#define CYGNUM_HAL_VECTOR_AUTOVEC3          27
#define CYGNUM_HAL_VECTOR_AUTOVEC4          28
#define CYGNUM_HAL_VECTOR_AUTOVEC5          29
#define CYGNUM_HAL_VECTOR_AUTOVEC6          30
#define CYGNUM_HAL_VECTOR_AUTOVEC7          31
#define CYGNUM_HAL_NUMAUTOVEC               7

#define CYGNUM_HAL_VECTOR_TRAPFIRST         32
#define CYGNUM_HAL_VECTOR_TRAPLAST          47
#define CYGNUM_HAL_NUMTRAPS                 16

#define CYGNUM_HAL_VECTOR_FP_BRANCH         48
#define CYGNUM_HAL_VECTOR_FP_INEXACT        49
#define CYGNUM_HAL_VECTOR_FP_ZERODIV        50
#define CYGNUM_HAL_VECTOR_FP_UNDERFLOW      51
#define CYGNUM_HAL_VECTOR_FP_OPERAND        52
#define CYGNUM_HAL_VECTOR_FP_OVERFLOW       53
#define CYGNUM_HAL_VECTOR_FP_NAN            54
#define CYGNUM_HAL_VECTOR_FP_DENORM         55

// Exception vectors 56-60 are reserved

#define CYGNUM_HAL_VECTOR_UNSUPINST         61

// Exception vectors 62-63 are reserved

#define CYGNUM_HAL_VECTOR_USERINTRFIRST     64
#define CYGNUM_HAL_VECTOR_USERINTRLAST      255
#define CYGNUM_HAL_NUMUSERINTR              192

// -------------------------------------------------------------------------
// Interrupt and exception vector table definitions.

#define CYGNUM_HAL_VSR_MIN                  0
#define CYGNUM_HAL_VSR_MAX                  255
#define CYGNUM_HAL_VSR_COUNT                (CYGNUM_HAL_VSR_MAX - CYGNUM_HAL_VSR_MIN + 1)

// To simplify things in interrupt handling code, we don't take into account
// autovectored, spurious and uninitialized interrupts.
/*
   2006-11-01 wl: Overrided by variant HAL level
*/
#ifndef CYGNUM_HAL_ISR_RANGE_DEFINED
#define CYGNUM_HAL_ISR_MIN                   CYGNUM_HAL_VECTOR_USERINTRFIRST
#define CYGNUM_HAL_ISR_MAX                   CYGNUM_HAL_VECTOR_USERINTRLAST
#define CYGNUM_HAL_ISR_COUNT                 (CYGNUM_HAL_ISR_MAX - CYGNUM_HAL_ISR_MIN + 1)
#endif

#ifndef CYGNUM_HAL_EXCEPTION_RANGE_DEFINED
#define CYGNUM_HAL_EXCEPTION_MIN             CYGNUM_HAL_VECTOR_BUSERR
#define CYGNUM_HAL_EXCEPTION_MAX             CYGNUM_HAL_VECTOR_UNSUPINST
#define CYGNUM_HAL_EXCEPTION_COUNT           (CYGNUM_HAL_EXCEPTION_MAX -\
    CYGNUM_HAL_EXCEPTION_MIN + 1)
#endif

// -------------------------------------------------------------------------
// Equivalence between ColdFire exception names and target independent
// exception names.
// These are the values used when passed out to an
// external exception handler using cyg_hal_deliver_exception().

#define CYGNUM_HAL_EXCEPTION_ILLEGAL_INSTRUCTION CYGNUM_HAL_VECTOR_ILLINST
#define CYGNUM_HAL_EXCEPTION_DIV_BY_ZERO         CYGNUM_HAL_VECTOR_ZERODIV
#define CYGNUM_HAL_EXCEPTION_DATA_ACCESS         CYGNUM_HAL_VECTOR_BUSERR
#define CYGNUM_HAL_EXCEPTION_CODE_ACCESS         CYGNUM_HAL_VECTOR_BUSERR

// -------------------------------------------------------------------------
// Spurious interrupt definition.

#ifndef CYGNUM_HAL_SPURIOUS_INTERRUPT
#define CYGNUM_HAL_SPURIOUS_INTERRUPT CYGNUM_HAL_VECTOR_SPURINT
#endif

// -------------------------------------------------------------------------
// Static data used by HAL.

// ISR tables
externC volatile CYG_ADDRESS  cyg_hal_interrupt_handlers[CYGNUM_HAL_ISR_COUNT];
externC volatile CYG_ADDRWORD cyg_hal_interrupt_data[CYGNUM_HAL_ISR_COUNT];
externC volatile CYG_ADDRESS  cyg_hal_interrupt_objects[CYGNUM_HAL_ISR_COUNT];

// VSR table
externC volatile CYG_ADDRESS  cyg_hal_vsr_table[CYGNUM_HAL_VSR_COUNT];

// ROM VSR table
externC CYG_ADDRESS rom_vsr_table[CYGNUM_HAL_VSR_COUNT];

// -------------------------------------------------------------------------
// Interrupt stack definitions.

#ifdef CYGIMP_HAL_COMMON_INTERRUPTS_USE_INTERRUPT_STACK

externC void hal_interrupt_stack_call_pending_DSRs(void);