From 45a8ec2d229b36841b60cd4e41615d18f0c21eef Mon Sep 17 00:00:00 2001 From: is Date: Wed, 27 Aug 1997 18:52:57 +0000 Subject: [PATCH] Amiga port bus.h. Currenlty, only the _1 functions are implemented. --- sys/arch/amiga/include/bus.h | 178 +++++++++++++++++++++++++++++++++++ 1 file changed, 178 insertions(+) create mode 100644 sys/arch/amiga/include/bus.h diff --git a/sys/arch/amiga/include/bus.h b/sys/arch/amiga/include/bus.h new file mode 100644 index 000000000000..81d584fda4aa --- /dev/null +++ b/sys/arch/amiga/include/bus.h @@ -0,0 +1,178 @@ +/* $NetBSD: bus.h,v 1.1 1997/08/27 18:52:57 is Exp $ */ + +/* + * Copyright (c) 1996 Leo Weppelman. 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 Leo Weppelman for the + * NetBSD Project. + * 4. The name of the author may not 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 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. + */ + +#ifndef _AMIGA_BUS_H_ +#define _AMIGA_BUS_H_ + +/* + * Memory addresses (in bus space) + */ +typedef u_long bus_addr_t; +typedef u_long bus_size_t; + +/* + * Access methods for bus resources and address space. + */ +typedef struct bus_space_tag { + bus_addr_t base; + u_char stride; +} *bus_space_tag_t; + +typedef u_long bus_space_handle_t; + +void bus_space_read_multi_1 __P((bus_space_tag_t, bus_space_handle_t, + int, caddr_t, int)); +void bus_space_read_multi_2 __P((bus_space_tag_t, bus_space_handle_t, + int, caddr_t, int)); +void bus_space_read_multi_4 __P((bus_space_tag_t, bus_space_handle_t, + int, caddr_t, int)); +void bus_space_read_multi_8 __P((bus_space_tag_t, bus_space_handle_t, + int, caddr_t, int)); +void bus_space_write_multi_1 __P((bus_space_tag_t, bus_space_handle_t, + int, caddr_t, int)); +void bus_space_write_multi_2 __P((bus_space_tag_t, bus_space_handle_t, + int, caddr_t, int)); +void bus_space_write_multi_4 __P((bus_space_tag_t, bus_space_handle_t, + int, caddr_t, int)); +void bus_space_write_multi_8 __P((bus_space_tag_t, bus_space_handle_t, + int, caddr_t, int)); + +#if 0 +int bus_space_map __P((bus_space_tag_t, bus_addr_t, bus_size_t, + int, bus_space_handle_t *)); +void bus_space_unmap __P((bus_space_tag_t, bus_space_handle_t, + bus_size_t)); +#endif + +#define bus_space_map(tag,off,size,cache,handle) \ + (*(handle) = (tag)->base + ((off)<<(tag)->stride), 0) + +#define bus_space_unmap(tag,handle,size) (void)0 + +#define bus_space_read_1(t, h, o) \ + ((void) t, (*(volatile u_int8_t *)((h) + ((o)<<(t)->stride)))) + +#define bus_space_write_1(t, h, o, v) \ + ((void) t, ((void)(*(volatile u_int8_t *)((h) + ((o)<<(t)->stride)) = (v)))) + +extern __inline__ void +bus_space_read_multi_1(t, h, o, a, c) + bus_space_tag_t t; + bus_space_handle_t h; + int o, c; + caddr_t a; +{ + for (; c; a++, c--) + *(u_int8_t *)a = bus_space_read_1(t, h, o); +} +#ifdef notyet +extern __inline__ void +bus_space_read_multi_2(t, h, o, a, c) + bus_space_tag_t t; + bus_space_handle_t h; + int o, c; + caddr_t a; +{ + for (; c; a += 2, c--) + *(u_int16_t *)a = bus_space_read_2(t, h, o); +} + +extern __inline__ void +bus_space_read_multi_4(t, h, o, a, c) + bus_space_tag_t t; + bus_space_handle_t h; + int o, c; + caddr_t a; +{ + for (; c; a += 4, c--) + *(u_int32_t *)a = bus_space_read_4(t, h, o); +} + +extern __inline__ void +bus_space_read_multi_8(t, h, o, a, c) + bus_space_tag_t t; + bus_space_handle_t h; + int o, c; + caddr_t a; +{ + for (; c; a += 8, c--) + *(u_int64_t *)a = bus_space_read_8(t, h, o); +} +#endif + +extern __inline__ void +bus_space_write_multi_1(t, h, o, a, c) + bus_space_tag_t t; + bus_space_handle_t h; + int o, c; + caddr_t a; +{ + for (; c; a++, c--) + bus_space_write_1(t, h, o, *(u_int8_t *)a); +} + +#ifdef notyet +extern __inline__ void +bus_space_write_multi_2(t, h, o, a, c) + bus_space_tag_t t; + bus_space_handle_t h; + int o, c; + caddr_t a; +{ + for (; c; a += 2, c--) + bus_space_write_2(t, h, o, *(u_int16_t *)a); +} + +extern __inline__ void +bus_space_write_multi_4(t, h, o, a, c) + bus_space_tag_t t; + bus_space_handle_t h; + int o, c; + caddr_t a; +{ + for (; c; a += 4, c--) + bus_space_write_4(t, h, o, *(u_int32_t *)a); +} + +extern __inline__ void +bus_space_write_multi_8(t, h, o, a, c) + bus_space_tag_t t; + bus_space_handle_t h; + int o, c; + caddr_t a; +{ + for (; c; a += 8, c--) + bus_space_write_8(t, h, o, *(u_int64_t *)a); +} +#endif + +#endif /* _AMIGA_BUS_H_ */