/*********************************************************************/
/* Copyright 2009, 2010 The University of Texas at Austin.           */
/* All rights reserved.                                              */
/*                                                                   */
/* Redistribution and use in source and binary forms, with or        */
/* without modification, are permitted provided that the following   */
/* conditions are met:                                               */
/*                                                                   */
/*   1. Redistributions of source code must retain the above         */
/*      copyright notice, this list of conditions and the following  */
/*      disclaimer.                                                  */
/*                                                                   */
/*   2. Redistributions in binary form must reproduce the above      */
/*      copyright notice, this list of conditions and the following  */
/*      disclaimer in the documentation and/or other materials       */
/*      provided with the distribution.                              */
/*                                                                   */
/*    THIS  SOFTWARE IS PROVIDED  BY THE  UNIVERSITY OF  TEXAS AT    */
/*    AUSTIN  ``AS IS''  AND ANY  EXPRESS OR  IMPLIED WARRANTIES,    */
/*    INCLUDING, BUT  NOT LIMITED  TO, THE IMPLIED  WARRANTIES OF    */
/*    MERCHANTABILITY  AND FITNESS FOR  A PARTICULAR  PURPOSE ARE    */
/*    DISCLAIMED.  IN  NO EVENT SHALL THE UNIVERSITY  OF TEXAS AT    */
/*    AUSTIN OR CONTRIBUTORS BE  LIABLE FOR ANY DIRECT, INDIRECT,    */
/*    INCIDENTAL,  SPECIAL, EXEMPLARY,  OR  CONSEQUENTIAL DAMAGES    */
/*    (INCLUDING, BUT  NOT LIMITED TO,  PROCUREMENT OF SUBSTITUTE    */
/*    GOODS  OR  SERVICES; LOSS  OF  USE,  DATA,  OR PROFITS;  OR    */
/*    BUSINESS INTERRUPTION) HOWEVER CAUSED  AND ON ANY THEORY OF    */
/*    LIABILITY, WHETHER  IN CONTRACT, STRICT  LIABILITY, OR TORT    */
/*    (INCLUDING NEGLIGENCE OR OTHERWISE)  ARISING IN ANY WAY OUT    */
/*    OF  THE  USE OF  THIS  SOFTWARE,  EVEN  IF ADVISED  OF  THE    */
/*    POSSIBILITY OF SUCH DAMAGE.                                    */
/*                                                                   */
/* The views and conclusions contained in the software and           */
/* documentation are those of the authors and should not be          */
/* interpreted as representing official policies, either expressed   */
/* or implied, of The University of Texas at Austin.                 */
/*********************************************************************/

#ifndef COMMON_MIPS64
#define COMMON_MIPS64

#define MB
#define WMB

#define INLINE inline

#ifndef ASSEMBLER

static void INLINE blas_lock(volatile unsigned long *address){

  long int ret, val = 1;

  do {
    while (*address) {YIELDING;};

    __asm__ __volatile__(
			 "1:	ll	%0, %3\n"
			 "	ori	%2, %0, 1\n"
			 "	sc	%2, %1\n"
			 "	beqz	%2, 1b\n"
			 "	 andi	%2, %0, 1\n"
			 "	sync\n"
			 : "=&r" (val), "=m" (address), "=&r" (ret)
			 : "m" (address)
			 : "memory");

  } while (ret);
}

static inline unsigned int rpcc(void){
  unsigned long ret;

  __asm__ __volatile__(".set   push    \n"                                     
          ".set   mips32r2\n"                                                  
          "rdhwr %0, $30  \n"                                                  
          ".set pop" : "=r"(ret) : : "memory");

  return ret;
}

static inline int blas_quickdivide(blasint x, blasint y){
  return x / y;
}

#ifdef DOUBLE
#define GET_IMAGE(res)  __asm__ __volatile__("mov.d %0, $f2" : "=f"(res)  : : "memory")
#else
#define GET_IMAGE(res)  __asm__ __volatile__("mov.s %0, $f2" : "=f"(res)  : : "memory")
#endif

#define GET_IMAGE_CANCEL

#endif


#ifdef ASSEMBLER

#define HALT	teq	$0, $0
#define NOP	move	$0, $0

#ifdef DOUBLE
#define LD	ldc1
#define ST	sdc1
#define MADD	madd.d
#define NMADD	nmadd.d
#define MSUB	msub.d
#define NMSUB	nmsub.d
#define ADD	add.d
#define SUB	sub.d
#define MUL	mul.d
#define MOV	mov.d
#define CMOVF	movf.d
#define CMOVT	movt.d
#define MTC	dmtc1
#define FABS	abs.d
#define CMPEQ	c.eq.d
#define CMPLE	c.le.d
#define CMPLT	c.lt.d
#else
#define LD	lwc1
#define ST	swc1
#define MADD	madd.s
#define NMADD	nmadd.s
#define MSUB	msub.s
#define NMSUB	nmsub.s
#define ADD	add.s
#define SUB	sub.s
#define MUL	mul.s
#define MOV	mov.s
#define CMOVF	movf.s
#define CMOVT	movt.s
#define MTC	mtc1
#define FABS	abs.s
#define CMPEQ	c.eq.s
#define CMPLE	c.le.s
#define CMPLT	c.lt.s
#endif

#if   defined(__64BIT__) &&  defined(USE64BITINT)
#define LDINT	ld
#define LDARG	ld
#define SDARG	sd
#elif defined(__64BIT__) && !defined(USE64BITINT)
#define LDINT	lw
#define LDARG	ld
#define SDARG	sd
#else
#define LDINT	lw
#define LDARG	lw
#define SDARG	sw
#endif


#ifndef F_INTERFACE
#define REALNAME ASMNAME
#else
#define REALNAME ASMFNAME
#endif

#if defined(ASSEMBLER) && !defined(NEEDPARAM)

#define PROLOGUE \
	.text ;\
	.set	mips64 ;\
	.align 5 ;\
	.globl	REALNAME ;\
	.ent	REALNAME ;\
	.type	REALNAME, @function ;\
REALNAME: ;\
	.set	noreorder ;\
	.set	nomacro

#define EPILOGUE \
	.set	macro ;\
	.set	reorder ;\
	.end	REALNAME

#define PROFCODE
#endif

#endif

#define SEEK_ADDRESS

#define BUFFER_SIZE     ( 8 << 20)

#ifndef PAGESIZE
#define PAGESIZE	(64UL << 10)
#endif
#define HUGE_PAGESIZE   ( 2 << 20)

#define BASE_ADDRESS (START_ADDRESS - BUFFER_SIZE * MAX_CPU_NUMBER)

#ifndef MAP_ANONYMOUS
#define MAP_ANONYMOUS MAP_ANON
#endif
#endif