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#ifndef CYGONCE_HAL_COLDFIRE_STUB_H

#define CYGONCE_HAL_COLDFIRE_STUB_H

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

//

//      coldfire_stub.h

//

//      ColdFire-specific definitions for generic stub

//

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

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

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//

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// the terms of the GNU General Public License as published by the Free     

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// for more details.                                                        

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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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// General Public License v2.                                               

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// ####ECOSGPLCOPYRIGHTEND####                                              

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

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

//

// Author(s):     Enrico Piria

// Contributors:

// Date:          2005-25-06

// Purpose:       

// Description:   ColdFire-specific definitions for generic stub.

//

//####DESCRIPTIONEND####

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

#ifdef __cplusplus

extern "C" {

#endif

#define NUMREGS 18

// ColdFire stub has special needs for register handling because flating point

// registers are bigger than the rest. Special put_register and get_register

// are provided.

#define CYGARC_STUB_REGISTER_ACCESS_DEFINED 1

#define REGSIZE( _x_ ) (4)

typedef unsigned long target_register_t;

enum regnames {

    D0, D1, D2, D3, D4, D5, D6, D7,

    A0, A1, A2, A3, A4, A5, A6, A7,

    SR, PC,

};

#define SP              A7

typedef enum regnames regnames_t;

// Given a trap value TRAP, return the corresponding signal

extern int __computeSignal(unsigned int trap_number);

// Return the ColdFire 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);

// Read the contents of register WHICH into VALUE as raw bytes

extern int get_register_as_bytes(regnames_t which, char *value);

// Write the contents of register WHICH into VALUE as raw bytes

extern int put_register_as_bytes(regnames_t which, char *value);

// Set the currently-saved pc register value to PC. This also updates NPC

// as needed.

extern void set_pc(target_register_t pc);

// 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.

extern void __single_step(void);

// Clear the single-step state

extern void __clear_single_step(void);

// If the breakpoint we hit is in the breakpoint() instruction, return a

// non-zero value

extern int __is_breakpoint_function(void);

// Skip the current instruction

extern void __skipinst(void);

extern void __install_breakpoints(void);

extern void __clear_breakpoints(void);

// We have to rewind the PC in case of a breakpoint.

#define HAL_STUB_PLATFORM_STUBS_FIXUP()                         \

CYG_MACRO_START                                                 \

    if (CYGNUM_HAL_VECTOR_DEBUGTRAP == __get_trap_number())     \

    {                                                           \

        CYG_ADDRESS pc = get_register(PC) - HAL_BREAKINST_SIZE; \

        put_register(PC, pc);                                   \

    }                                                           \

CYG_MACRO_END

#ifdef __cplusplus

}      // extern "C"

#endif

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

// End of coldfire_stub.h

#endif // ifndef CYGONCE_HAL_COLDFIRE_STUB_H