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#ifndef CYGONCE_HAL_MIPS_STUB_H

#define CYGONCE_HAL_MIPS_STUB_H

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

//

//      mips-stub.h

//

//      CalmRISC32-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, msalter

// Contributors:  Red Hat, msalter

// Date:          2001-02-12

// Purpose:       

// Description:   CalmRISC32-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 long target_addr_t;

#define TARGET_ADDR_IS_PROGMEM(x) (((unsigned long long)(x)) >= 0x100000000ULL)

#define TARGET_ADDR_TO_PTR(x)     ((char *) (((unsigned)(x)) & 0xffffffff))

#define NUMREGS    43

#define REGSIZE(X) 4

typedef unsigned long target_register_t;

enum regnames {

    REG_B0R0,   REG_B0R1,  REG_B0R2,   REG_B0R3,   REG_B0R4,   REG_B0R5,   REG_B0R6,   REG_B0R7,

    REG_B0R8,   REG_B0R9,  REG_B0R10,  REG_B0R11,  REG_B0R12,  REG_B0R13,  REG_B0R14,  REG_B0R15,

    REG_B1R0,   REG_B1R1,  REG_B1R2,   REG_B1R3,   REG_B1R4,   REG_B1R5,   REG_B1R6,   REG_B1R7,

    REG_B1R8,   REG_B1R9,  REG_B1R10,  REG_B1R11,  REG_B1R12,  REG_B1R13,  REG_B1R14,  REG_B1R15,

    REG_PC, REG_VBR, REG_SR,

    REG_SSR_FIQ, REG_SPC_FIQ, REG_SSR_IRQ, REG_SPC_IRQ,

    REG_SSR_SWI, REG_SPC_SWI, REG_SSR_EXPT, REG_SPC_EXPT

};

typedef enum regnames regnames_t;

#define PC REG_PC

#define SP __sp_regnum()

extern int __sp_regnum(void);

#define HAL_STUB_ADD_T_REG(__ptr__,__reg__,__val__)                      \

    *__ptr__++ = __tohex (__reg__ >> 4);                                 \

    *__ptr__++ = __tohex (__reg__);                                      \

    *__ptr__++ = ':';                                                    \

    __val__ = get_register (__reg__);                                    \

    __ptr__ = __mem2hex((char *)&__val__, __ptr__, sizeof(__val__), 0);  \

    *ptr++ = ';'

#define HAL_STUB_ARCH_T_PACKET_EXTRAS(__ptr__)                           \

{                                                                        \

    target_register_t __val__;                                           \

                                                                         \

    HAL_STUB_ADD_T_REG(__ptr__,REG_SR,__val__);                          \

    if ((__val__ & CYGARC_SR_PM) == 0 || (__val__ & CYGARC_SR_BS) == 0){ \

        HAL_STUB_ADD_T_REG(__ptr__,REG_B0R13,__val__);                   \

    } else {                                                             \

        HAL_STUB_ADD_T_REG(__ptr__,REG_B1R13,__val__);                   \

    }                                                                    \

}

/* 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. */

#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 int   __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 int val);

#ifdef __cplusplus

}      /* extern "C" */

#endif

#endif // ifndef CYGONCE_HAL_MIPS_STUB_H