/*-
 * Copyright (c) 1990 The Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * William Jolitz.
 *
 * 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.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS 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.
 *
 *      from: @(#)SYS.h 5.5 (Berkeley) 5/7/91
 *      $NetBSD: SYS.h,v 1.11 2013/09/12 15:36:15 joerg Exp $
 */

#include <machine/asm.h>
#include <sys/syscall.h>

#ifdef __STDC__
#define IMMEDIATE       #
#define SYSTRAP(x)                                      \
                mov.l   903f, r0;                       \
                trapa   IMMEDIATE 0x80;                 \
                bra     904f;                           \
                 nop;                                   \
                .align  2;                              \
        903:    .long   (SYS_ ## x);                    \
        904:
#else
#define SYSTRAP(x)                                      \
                mov.l   903f, r0;                       \
                trapa   #0x80;                          \
                bra     904f;                           \
                 nop;                                   \
                .align  2;                              \
        903:    .long   (SYS_/**/x);                    \
        904:
#endif

#define _SYSCALL_NOERROR(x,y)                           \
                ENTRY(x);                               \
                SYSTRAP(y)

#ifdef __PIC__

#define JUMP_CERROR                                     \
                mov     r0, r4;                         \
                mov.l   912f, r1;                       \
                mova    912f, r0;                       \
                mov.l   913f, r2;                       \
                add     r1, r0;                         \
                mov.l   @(r0, r2), r3;                  \
                jmp     @r3;                            \
                 nop;                                   \
                .align  2;                              \
        912:    .long   _GLOBAL_OFFSET_TABLE_;          \
        913:    .long   PIC_GOT(cerror)

#else  /* !__PIC__ */

#define JUMP_CERROR                                     \
                mov.l   912f, r3;                       \
                jmp     @r3;                            \
                 mov    r0, r4;                         \
                .align  2;                              \
        912:    .long   cerror

#endif /* !__PIC__ */

#define _SYSCALL(x,y)                                   \
                .text;                                  \
        911:    JUMP_CERROR;                            \
                _SYSCALL_NOERROR(x,y);                  \
                bf      911b

#define SYSCALL_NOERROR(x)                              \
                _SYSCALL_NOERROR(x,x)

#define SYSCALL(x)                                      \
                _SYSCALL(x,x)

#define PSEUDO_NOERROR(x,y)                             \
                _SYSCALL_NOERROR(x,y);                  \
                rts;                                    \
                 nop

#define PSEUDO(x,y)                                     \
                _SYSCALL(x,y);                          \
                rts;                                    \
                 nop

#define RSYSCALL_NOERROR(x)                             \
                PSEUDO_NOERROR(x,x)

#define RSYSCALL(x)                                     \
                PSEUDO(x,x)

#ifdef WEAK_ALIAS
#define WSYSCALL(weak,strong)                           \
                WEAK_ALIAS(weak,strong);                \
                PSEUDO(strong,weak)
#else
#define WSYSCALL(weak,strong)                           \
                PSEUDO(weak,weak)
#endif

        .globl  cerror