score-stub.h

ecos下的gui开发源代码

#ifndef CYGONCE_HAL_SCORE_STUB_H
#define CYGONCE_HAL_SCORE_STUB_H
//========================================================================
//
//      score-stub.h
//
//      Score-specific definitions for generic stub
//
//========================================================================
//####ECOSGPLCOPYRIGHTBEGIN####
// -------------------------------------------
// This file is part of eCos, the Embedded Configurable Operating System.
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
//
// eCos is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License as published by the Free
// Software Foundation; either version 2 or (at your option) any later version.
//
// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
// for more details.
//
// You should have received a copy of the GNU General Public License along
// 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.
//
// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
// at http://sources.redhat.com/ecos/ecos-license/
// -------------------------------------------
//####ECOSGPLCOPYRIGHTEND####
//========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s):     Red Hat, nickg
// Contributors:  Red Hat, nickg
// Date:          2007-07-28
// Purpose:       
// Description:   SCORE-specific definitions for generic stub
// Usage:         
//
//####DESCRIPTIONEND####
//
//========================================================================


#include <pkgconf/system.h>
#include <pkgconf/hal_score.h>

#include <cyg/hal/hal_io.h>

#ifdef __cplusplus
extern "C" {
#endif

#define NUMREGS    56


// The simplest case of 32-bit regs represented to GDB as 32-bit regs.
#define REGSIZE(X) 4
typedef unsigned long target_register_t;

enum regnames {
        REG_SP,		REG_AT,		REG_BP,		REG_LR,      REG_A0,   REG_A1,  REG_A2,     REG_A3,
        REG_T0,		REG_T1,		REG_T2,		REG_T3,      REG_S0,   REG_S1,  REG_S2,     REG_S3,
        REG_S4,		REG_S5,		REG_S6,		REG_S7,      REG_S8,   REG_S9,  REG_T4,     REG_T5,
        REG_T6,		REG_T7,		REG_T8,		REG_T9,      REG_GP,   REG_JP,  REG_K0,     REG_K1,
        REG_PSR,	REG_COND,   	REG_ECR,    	REG_EXCPVEC, REG_CCR,  REG_EPC, REG_EMA,    REG_TLBLOCK,
	REG_TLBPT,	REG_PEADDR,	REG_TLBRPT,	REG_PEVN,
	REG_PECTX,	REG_LIMPFN,	REG_LDMPFN,	REG_PREV,
	REG_DREG,	REG_PC,		REG_DSAVE,	REG_COUNTER,
	REG_LDCR,	REG_STCR,	REG_CEH,	REG_CEL
};
#define USE_LONG_NAMES_FOR_ENUM_REGNAMES

typedef enum regnames regnames_t;

/* Given a trap value TRAP, return the corresponding signal. */
extern int __computeSignal (unsigned int trap_number);

/* Return the SPARC trap number corresponding to the last-taken trap. */
extern int __get_trap_number (void);

/* Return the currently-saved value corresponding to register REG. */
extern target_register_t get_register (regnames_t reg);

/* Store VALUE in the register corresponding to WHICH. */
extern void put_register (regnames_t which, target_register_t value);

/* Set the currently-saved pc register value to PC. This also updates NPC
   as needed. */
#if !defined(SET_PC_PROTOTYPE_EXISTS) && !defined(set_pc)
#define SET_PC_PROTOTYPE_EXISTS
extern void set_pc (target_register_t pc);
#endif

/* Set things up so that the next user resume will execute one instruction.
   This may be done by setting breakpoints or setting a single step flag
   in the saved user registers, for example. */
#ifndef __single_step
void __single_step (void);
#endif

/* Clear the single-step state. */
void __clear_single_step (void);

extern int __is_bsp_syscall(void);

extern int hal_syscall_handler(void);
    
/* If the breakpoint we hit is in the breakpoint() instruction, return a
   non-zero value. */
#ifndef __is_breakpoint_function
extern int __is_breakpoint_function (void);
#endif

/* Skip the current instruction. */
extern void __skipinst (void);

extern void __install_breakpoints (void);

extern void __clear_breakpoints (void);

extern void __install_breakpoint_list (void);

extern void __clear_breakpoint_list (void);

#ifdef __cplusplus
}      /* extern "C" */
#endif

#endif // ifndef CYGONCE_HAL_SCORE_STUB_H