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#ifndef CYGONCE_HAL_MIPS_STUB_H

#define CYGONCE_HAL_MIPS_STUB_H

//========================================================================

//

//      mips-stub.h

//

//      CalmRISC16-specific definitions for generic stub

//

//========================================================================

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// -------------------------------------------                              

// This file is part of eCos, the Embedded Configurable Operating System.   

// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, 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     

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// version.                                                                 

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// 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        

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//

// 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   

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// must still be made available in accordance with section (3) of the GNU   

// General Public License v2.                                               

//

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// on this file might be covered by the GNU General Public License.         

// -------------------------------------------                              

// ####ECOSGPLCOPYRIGHTEND####                                              

//========================================================================

//#####DESCRIPTIONBEGIN####

//

// Author(s):     Red Hat, msalter

// Contributors:  Red Hat, msalter

// Date:          2001-02-12

// Purpose:       

// Description:   CalmRISC16-specific definitions for generic stub

// Usage:         

//

//####DESCRIPTIONEND####

//

//========================================================================

#include <pkgconf/system.h>

#include <cyg/hal/hal_io.h>

#ifdef __cplusplus

extern "C" {

#endif

#define TARGET_HAS_HARVARD_MEMORY 1

typedef unsigned long target_addr_t;

#define TARGET_ADDR_IS_PROGMEM(x) (((unsigned long)(x)) >= 0x400000UL)

#define TARGET_ADDR_TO_PTR(x)     ((char *) (((unsigned long)(x)) & 0x3fffff))

#define NUMREGS    39

typedef unsigned long target_register_t;

enum regnames {

        REG_R0,   REG_R1,   REG_R2,   REG_R3,   REG_R4,   REG_R5,   REG_R6,   REG_R7,

        REG_R8,   REG_R9,   REG_R10,  REG_R11,  REG_R12,  REG_R13,  REG_R14,  REG_R15,

        REG_E8,   REG_E9,   REG_E10,  REG_E11,  REG_E12,  REG_E13,  REG_E14,  REG_E15,

        REG_A8,   REG_A9,   REG_A10,  REG_A11,  REG_A12,  REG_A13,  REG_A14,  REG_A15,

        REG_PC,   REG_SPC_FIQ, REG_SPC_IRQ,

        REG_SR,   REG_SSR_FIQ, REG_SSR_IRQ, REG_SSR_SWI

};

#define REG_LR REG_A14

#define REG_SP REG_A15

#define PC REG_PC

#define SP REG_A15

#define REGSIZE(X) 4

#define REGBYTE(X) ((X)*4)

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);

extern unsigned char  __read_prog_uint8(void *addr);

extern unsigned short __read_prog_uint16(void *addr);

extern unsigned long  __read_prog_uint32(void *addr);

extern void __write_prog_uint8(void *addr, unsigned char val);

extern void __write_prog_uint16(void *addr, unsigned short val);

extern void __write_prog_uint32(void *addr, unsigned long val);

#ifdef __cplusplus

}      /* extern "C" */

#endif

#endif // ifndef CYGONCE_HAL_MIPS_STUB_H