root/sys/arch/arm/arm/bus_space_notimpl.S
/*      $OpenBSD: bus_space_notimpl.S,v 1.4 2022/12/08 01:25:44 guenther Exp $  */
/*      $NetBSD: bus_space_notimpl.S,v 1.2 2001/09/10 02:20:19 reinoud Exp $    */

/*
 * Copyright (c) 1997 Mark Brinicombe.
 * 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.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by Mark Brinicombe.
 * 4. The name of the company nor the name of the author may be used to
 *    endorse or promote products derived from this software without specific
 *    prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
 */

#include <machine/asm.h>

/*
 * BUS_SPACE - name of this bus space
 */

#define BUS_SPACE       bs_notimpl

#define __C(x,y)        __CONCAT(x,y)
#define __S(s)          __STRING(s)
#define NAME(func)      __C(BUS_SPACE,__C(_bs_,func))
#define LNAME(func)     __C(L,NAME(func))

#define __L(x)          x
#define GLOBAL(func)    .global __L(NAME(func))
#define LABEL(func)     __L(NAME(func)):
#define LLABEL(func)    LNAME(func):

#define FTEXT(func,text)        __S(__C(NAME(func),text))


#define NOT_IMPL(func)                                                  \
        GLOBAL(func)                                            ;       \
LABEL(func)                                                     ;       \
        adr     r4, LNAME(__C(func,_text))                      ;       \
        b       bs_notimpl_panic                                ;       \
                                                                ;       \
LLABEL(__C(func,_text))                                         ;       \
        .asciz  __S(func)                                       ;       \
        .align  0                                               ;

bs_notimpl_message:
        .asciz  __S(BUS_SPACE), "_%s: args at %p"

        .align  2
bs_notimpl_panic:
        stmfd   sp!, {r0-r3}
        adr     r0, bs_notimpl_message
        mov     r1, r4
        mov     r2, sp
        b       panic



/*
 * misc functions
 */

NOT_IMPL(mmap)


/*
 * Generic bus_space I/O functions
 */

/*
 * read single
 */

NOT_IMPL(r_1)
NOT_IMPL(r_2)
NOT_IMPL(r_4)
NOT_IMPL(r_8)

/*
 * write single
 */

NOT_IMPL(w_1)
NOT_IMPL(w_2)
NOT_IMPL(w_4)
NOT_IMPL(w_8)

/*
 * read multiple
 */

NOT_IMPL(rm_1)
NOT_IMPL(rm_2)
NOT_IMPL(rm_4)
NOT_IMPL(rm_8)

/*
 * write multiple
 */

NOT_IMPL(wm_1)
NOT_IMPL(wm_2)
NOT_IMPL(wm_4)
NOT_IMPL(wm_8)

/*
 * read region
 */

NOT_IMPL(rr_1)
NOT_IMPL(rr_2)
NOT_IMPL(rr_4)
NOT_IMPL(rr_8)

/*
 * write region
 */

NOT_IMPL(wr_1)
NOT_IMPL(wr_2)
NOT_IMPL(wr_4)
NOT_IMPL(wr_8)

/*
 * set multiple
 */

NOT_IMPL(sm_1)
NOT_IMPL(sm_2)
NOT_IMPL(sm_4)
NOT_IMPL(sm_8)

/*
 * set region
 */

NOT_IMPL(sr_1)
NOT_IMPL(sr_2)
NOT_IMPL(sr_4)
NOT_IMPL(sr_8)

/*
 * copy
 */

NOT_IMPL(c_1)
NOT_IMPL(c_2)
NOT_IMPL(c_4)
NOT_IMPL(c_8)