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/* arch.h -- OR1K architecture specific macros

   Copyright (C) 1999 Damjan Lampret, lampret@opencores.org

This file is part of OpenRISC 1000 Architectural Simulator.

This program 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 of the License, or

(at your option) any later version.

This program 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 this program; if not, write to the Free Software

Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */

#define LINK_REG "r9"

#define LINK_REGNO (9)

#define STACK_REG "r1"

#define STACK_REGNO (1)

#define FRAME_REG "r2"

#define FRAME_REGNO (2)

#define RETURNV_REG "r11"

#define RETURNV_REGNO (11)

/* Basic types for openrisc */

typedef uint32_t oraddr_t; /* Address as addressed by openrisc */

typedef uint32_t uorreg_t; /* An unsigned register of openrisc */

typedef int32_t orreg_t; /* A signed register of openrisc */

#define PRIxADDR "08" PRIx32 /* How to print an openrisc address in hex */

#define PRIxREG "08" PRIx32 /* How to print an openrisc register in hex */

#define PRIdREG PRId32 /* How to print an openrisc register in decimals */

#define ADDR_C(c) UINT32_C(c)

#define REG_C(c) UINT32_C(c)

/* Should args be passed on stack for simprintf

 *

 * FIXME: do not enable this since it causes problems

 *        in some cases (an example beeing cbasic test

 *        from orp testbench). the problems is in

 *

 *        or1k/support/simprintf.c

 *

 *        #if STACK_ARGS

 *                arg = eval_mem32(argaddr,&breakpoint);

 *                argaddr += 4;

 *        #else

 *                sprintf(regstr, "r%u", ++argaddr);

 *                arg = evalsim_reg(atoi(regstr));

 *        #endif

 *

 *        the access to memory should be without any

 *        checks (ie not like or32 application accessed it)

 *

 */

#define STACK_ARGS 0