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Initial bus_space(9) support for news68k. From hp300.

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This commit is contained in:
tsutsui 2000-10-04 16:26:43 +00:00
parent 8aefd97377
commit 3f1232147d
7 changed files with 812 additions and 10 deletions
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3
sys/arch/news68k/conf/files.news68k
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@ -1,4 +1,4 @@
# $NetBSD: files.news68k,v 1.7 2000/10/03 13:49:24 tsutsui Exp $
# $NetBSD: files.news68k,v 1.8 2000/10/04 16:26:43 tsutsui Exp $
# NEWS68K-specific configuration info
@ -13,6 +13,7 @@ device mainbus { [systype = -1] }
attach mainbus at root
file arch/news68k/news68k/autoconf.c
file arch/news68k/news68k/bus_space.c
file arch/news68k/news68k/conf.c
file arch/news68k/news68k/clock.c
file arch/news68k/news68k/db_memrw.c ddb | kgdb

7
sys/arch/news68k/dev/hb.c
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@ -1,4 +1,4 @@
/* $NetBSD: hb.c,v 1.3 2000/02/08 16:17:31 tsutsui Exp $ */
/* $NetBSD: hb.c,v 1.4 2000/10/04 16:26:43 tsutsui Exp $ */
/*-
* Copyright (C) 1999 Izumi Tsutsui. All rights reserved.
@ -31,6 +31,7 @@
#include <sys/device.h>
#include <machine/autoconf.h>
#include <machine/bus.h>
#include <machine/cpu.h>
#include <news68k/news68k/isr.h>
@ -91,6 +92,10 @@ hb_search(parent, cf, aux)
ha->ha_ipl = cf->cf_ipl;
ha->ha_vect = cf->cf_vect;
/* XXX news68k Hyper-bus is not a real bus... */
ha->ha_bust = ISIIOPA(ha->ha_address) ?
NEWS68K_BUS_SPACE_INTIO : NEWS68K_BUS_SPACE_EIO;
if ((*cf->cf_attach->ca_match)(parent, cf, ha) > 0)
config_attach(parent, cf, ha, hb_print);

14
sys/arch/news68k/dev/hbvar.h
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@ -1,4 +1,4 @@
/* $NetBSD: hbvar.h,v 1.2 2000/02/08 16:17:31 tsutsui Exp $ */
/* $NetBSD: hbvar.h,v 1.3 2000/10/04 16:26:43 tsutsui Exp $ */
/*-
* Copyright (C) 1999 Izumi Tsutsui. All rights reserved.
@ -26,6 +26,8 @@
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <machine/bus.h>
/* Shorthand for locators. */
#include "locators.h"
#define cf_addr cf_loc[HBCF_ADDR]
@ -36,10 +38,12 @@
* Structure used to attach hb devices.
*/
struct hb_attach_args {
char *ha_name; /* name of device */
u_long ha_address; /* device address */
int ha_ipl; /* interrupt level */
int ha_vect; /* interrupt vector */
char *ha_name; /* name of device */
bus_space_tag_t ha_bust; /* bus space tag */
bus_addr_t ha_address; /* device address */
bus_size_t ha_size; /* device space */
int ha_ipl; /* interrupt level */
int ha_vect; /* interrupt vector */
};
void hb_intr_establish __P((int, int (*)(void *), int, void *));

4
sys/arch/news68k/include/Makefile
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@ -1,9 +1,9 @@
# $NetBSD: Makefile,v 1.5 2000/06/26 15:42:51 kleink Exp $
# $NetBSD: Makefile,v 1.6 2000/10/04 16:26:43 tsutsui Exp $
KDIR= /sys/arch/news68k/include
INCSDIR= /usr/include/news68k
INCS= ansi.h aout_machdep.h asm.h autoconf.h bswap.h cdefs.h cpu.h \
INCS= ansi.h aout_machdep.h asm.h autoconf.h bswap.h bus.h cdefs.h cpu.h \
db_machdep.h disklabel.h elf_machdep.h endian.h endian_machdep.h \
float.h frame.h ieee.h ieeefp.h int_types.h intr.h kcore.h limits.h \
lock.h math.h param.h pcb.h pmap.h proc.h profile.h psl.h pte.h \

602
sys/arch/news68k/include/bus.h Normal file
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@ -0,0 +1,602 @@
/* $NetBSD: bus.h,v 1.1 2000/10/04 16:26:43 tsutsui Exp $ */
/*-
* Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
* NASA Ames Research Center.
*
* 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 the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
/*
* Copyright (C) 1997 Scott Reynolds. 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. 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.
*/
/* bus_space(9) functions for news68k. Just taken from hp300. */
#ifndef _NEWS68K_BUS_H_
#define _NEWS68K_BUS_H_
/*
* Values for the news68k bus space tag, not to be used directly by MI code.
*/
#define NEWS68K_BUS_SPACE_INTIO 0 /* space is intio space */
#define NEWS68K_BUS_SPACE_EIO 1 /* space is eio space */
/*
* Bus address and size types
*/
typedef u_long bus_addr_t;
typedef u_long bus_size_t;
/*
* Access methods for bus resources and address space.
*/
typedef int bus_space_tag_t;
typedef u_long bus_space_handle_t;
/*
* int bus_space_map __P((bus_space_tag_t t, bus_addr_t addr,
* bus_size_t size, int flags, bus_space_handle_t *bshp));
*
* Map a region of bus space.
*/
#define BUS_SPACE_MAP_CACHEABLE 0x01
#define BUS_SPACE_MAP_LINEAR 0x02
#define BUS_SPACE_MAP_PREFETCHABLE 0x04
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 t,
* bus_space_handle_t bsh, bus_size_t size));
*
* Unmap a region of bus space.
*/
void bus_space_unmap __P((bus_space_tag_t, bus_space_handle_t, bus_size_t));
/*
* int bus_space_subregion __P((bus_space_tag_t t,
* bus_space_handle_t bsh, bus_size_t offset, bus_size_t size,
* bus_space_handle_t *nbshp));
*
* Get a new handle for a subregion of an already-mapped area of bus space.
*/
int bus_space_subregion __P((bus_space_tag_t t, bus_space_handle_t bsh,
bus_size_t offset, bus_size_t size, bus_space_handle_t *nbshp));
/*
* int bus_space_alloc __P((bus_space_tag_t t, bus_addr_t, rstart,
* bus_addr_t rend, bus_size_t size, bus_size_t align,
* bus_size_t boundary, int flags, bus_addr_t *addrp,
* bus_space_handle_t *bshp));
*
* Allocate a region of bus space.
*/
int bus_space_alloc __P((bus_space_tag_t t, bus_addr_t rstart,
bus_addr_t rend, bus_size_t size, bus_size_t align,
bus_size_t boundary, int cacheable, bus_addr_t *addrp,
bus_space_handle_t *bshp));
/*
* int bus_space_free __P((bus_space_tag_t t,
* bus_space_handle_t bsh, bus_size_t size));
*
* Free a region of bus space.
*/
void bus_space_free __P((bus_space_tag_t t, bus_space_handle_t bsh,
bus_size_t size));
/*
* int news68k_bus_space_probe __P((bus_space_tag_t t,
* bus_space_handle_t bsh, bus_size_t offset, int sz));
*
* Probe the bus at t/bsh/offset, using sz as the size of the load.
*
* This is a machine-dependent extension, and is not to be used by
* machine-independent code.
*/
int news68k_bus_space_probe __P((bus_space_tag_t t,
bus_space_handle_t bsh, bus_size_t offset, int sz));
/*
* u_intN_t bus_space_read_N __P((bus_space_tag_t tag,
* bus_space_handle_t bsh, bus_size_t offset));
*
* Read a 1, 2, 4, or 8 byte quantity from bus space
* described by tag/handle/offset.
*/
#define bus_space_read_1(t, h, o) \
((void) t, (*(volatile u_int8_t *)((h) + (o))))
#define bus_space_read_2(t, h, o) \
((void) t, (*(volatile u_int16_t *)((h) + (o))))
#define bus_space_read_4(t, h, o) \
((void) t, (*(volatile u_int32_t *)((h) + (o))))
#if 0 /* Cause a link error for bus_space_read_8 */
#define bus_space_read_8(t, h, o) !!! bus_space_read_8 unimplemented !!!
#endif
/*
* void bus_space_read_multi_N __P((bus_space_tag_t tag,
* bus_space_handle_t bsh, bus_size_t offset,
* u_intN_t *addr, size_t count));
*
* Read `count' 1, 2, 4, or 8 byte quantities from bus space
* described by tag/handle/offset and copy into buffer provided.
*/
#define bus_space_read_multi_1(t, h, o, a, c) do { \
(void) t; \
__asm __volatile (" \
movl %0,%%a0 ; \
movl %1,%%a1 ; \
movl %2,%%d0 ; \
1: movb %%a0@,%%a1@+ ; \
subql #1,%%d0 ; \
jne 1b" : \
: \
"r" ((h) + (o)), "g" (a), "g" (c) : \
"%a0","%a1","%d0"); \
} while (0)
#define bus_space_read_multi_2(t, h, o, a, c) do { \
(void) t; \
__asm __volatile (" \
movl %0,%%a0 ; \
movl %1,%%a1 ; \
movl %2,%%d0 ; \
1: movw %%a0@,%%a1@+ ; \
subql #1,%%d0 ; \
jne 1b" : \
: \
"r" ((h) + (o)), "g" (a), "g" (c) : \
"%a0","%a1","%d0"); \
} while (0)
#define bus_space_read_multi_4(t, h, o, a, c) do { \
(void) t; \
__asm __volatile (" \
movl %0,%%a0 ; \
movl %1,%%a1 ; \
movl %2,%%d0 ; \
1: movl %%a0@,%%a1@+ ; \
subql #1,%%d0 ; \
jne 1b" : \
: \
"r" ((h) + (o)), "g" (a), "g" (c) : \
"%a0","%a1","%d0"); \
} while (0)
#if 0 /* Cause a link error for bus_space_read_multi_8 */
#define bus_space_read_multi_8 !!! bus_space_read_multi_8 unimplemented !!!
#endif
/*
* void bus_space_read_region_N __P((bus_space_tag_t tag,
* bus_space_handle_t bsh, bus_size_t offset,
* u_intN_t *addr, size_t count));
*
* Read `count' 1, 2, 4, or 8 byte quantities from bus space
* described by tag/handle and starting at `offset' and copy into
* buffer provided.
*/
#define bus_space_read_region_1(t, h, o, a, c) do { \
(void) t; \
__asm __volatile (" \
movl %0,%%a0 ; \
movl %1,%%a1 ; \
movl %2,%%d0 ; \
1: movb %%a0@+,%%a1@+ ; \
subql #1,%%d0 ; \
jne 1b" : \
: \
"r" ((h) + (o)), "g" (a), "g" (c) : \
"%a0","%a1","%d0"); \
} while (0)
#define bus_space_read_region_2(t, h, o, a, c) do { \
(void) t; \
__asm __volatile (" \
movl %0,%%a0 ; \
movl %1,%%a1 ; \
movl %2,%%d0 ; \
1: movw %%a0@+,%%a1@+ ; \
subql #1,%%d0 ; \
jne 1b" : \
: \
"r" ((h) + (o)), "g" (a), "g" (c) : \
"%a0","%a1","%d0"); \
} while (0)
#define bus_space_read_region_4(t, h, o, a, c) do { \
(void) t; \
__asm __volatile (" \
movl %0,%%a0 ; \
movl %1,%%a1 ; \
movl %2,%%d0 ; \
1: movl %%a0@+,%%a1@+ ; \
subql #1,%%d0 ; \
jne 1b" : \
: \
"r" ((h) + (o)), "g" (a), "g" (c) : \
"%a0","%a1","%d0"); \
} while (0)
#if 0 /* Cause a link error for bus_space_read_region_8 */
#define bus_space_read_region_8 !!! bus_space_read_region_8 unimplemented !!!
#endif
/*
* void bus_space_write_N __P((bus_space_tag_t tag,
* bus_space_handle_t bsh, bus_size_t offset,
* u_intN_t value));
*
* Write the 1, 2, 4, or 8 byte value `value' to bus space
* described by tag/handle/offset.
*/
#define bus_space_write_1(t, h, o, v) \
((void) t, ((void)(*(volatile u_int8_t *)((h) + (o)) = (v))))
#define bus_space_write_2(t, h, o, v) \
((void) t, ((void)(*(volatile u_int16_t *)((h) + (o)) = (v))))
#define bus_space_write_4(t, h, o, v) \
((void) t, ((void)(*(volatile u_int32_t *)((h) + (o)) = (v))))
#if 0 /* Cause a link error for bus_space_write_8 */
#define bus_space_write_8 !!! bus_space_write_8 not implemented !!!
#endif
/*
* void bus_space_write_multi_N __P((bus_space_tag_t tag,
* bus_space_handle_t bsh, bus_size_t offset,
* const u_intN_t *addr, size_t count));
*
* Write `count' 1, 2, 4, or 8 byte quantities from the buffer
* provided to bus space described by tag/handle/offset.
*/
#define bus_space_write_multi_1(t, h, o, a, c) do { \
(void) t; \
__asm __volatile (" \
movl %0,%%a0 ; \
movl %1,%%a1 ; \
movl %2,%%d0 ; \
1: movb %%a1@+,%%a0@ ; \
subql #1,%%d0 ; \
jne 1b" : \
: \
"r" ((h) + (o)), "g" (a), "g" (c) : \
"%a0","%a1","%d0"); \
} while (0)
#define bus_space_write_multi_2(t, h, o, a, c) do { \
(void) t; \
__asm __volatile (" \
movl %0,%%a0 ; \
movl %1,%%a1 ; \
movl %2,%%d0 ; \
1: movw %%a1@+,%%a0@ ; \
subql #1,%%d0 ; \
jne 1b" : \
: \
"r" ((h) + (o)), "g" (a), "g" (c) : \
"%a0","%a1","%d0"); \
} while (0)
#define bus_space_write_multi_4(t, h, o, a, c) do { \
(void) t; \
__asm __volatile (" \
movl %0,%%a0 ; \
movl %1,%%a1 ; \
movl %2,%%d0 ; \
1: movl %%a1@+,%%a0@ ; \
subql #1,%%d0 ; \
jne 1b" : \
: \
"r" ((h) + (o)), "g" (a), "g" (c) : \
"%a0","%a1","%d0"); \
} while (0)
#if 0 /* Cause a link error for bus_space_write_8 */
#define bus_space_write_multi_8(t, h, o, a, c) \
!!! bus_space_write_multi_8 unimplimented !!!
#endif
/*
* void bus_space_write_region_N __P((bus_space_tag_t tag,
* bus_space_handle_t bsh, bus_size_t offset,
* const u_intN_t *addr, size_t count));
*
* Write `count' 1, 2, 4, or 8 byte quantities from the buffer provided
* to bus space described by tag/handle starting at `offset'.
*/
#define bus_space_write_region_1(t, h, o, a, c) do { \
(void) t; \
__asm __volatile (" \
movl %0,%%a0 ; \
movl %1,%%a1 ; \
movl %2,%%d0 ; \
1: movb %%a1@+,%%a0@+ ; \
subql #1,%%d0 ; \
jne 1b" : \
: \
"r" ((h) + (o)), "g" (a), "g" (c) : \
"%a0","%a1","%d0"); \
} while (0)
#define bus_space_write_region_2(t, h, o, a, c) do { \
(void) t; \
__asm __volatile (" \
movl %0,%%a0 ; \
movl %1,%%a1 ; \
movl %2,%%d0 ; \
1: movw %%a1@+,%%a0@+ ; \
subql #1,%%d0 ; \
jne 1b" : \
: \
"r" ((h) + (o)), "g" (a), "g" (c) : \
"%a0","%a1","%d0"); \
} while (0)
#define bus_space_write_region_4(t, h, o, a, c) do { \
(void) t; \
__asm __volatile (" \
movl %0,%%a0 ; \
movl %1,%%a1 ; \
movl %2,%%d0 ; \
1: movl %%a1@+,%%a0@+ ; \
subql #1,%%d0 ; \
jne 1b" : \
: \
"r" ((h) + (o)), "g" (a), "g" (c) : \
"%a0","%a1","%d0"); \
} while (0)
#if 0 /* Cause a link error for bus_space_write_region_8 */
#define bus_space_write_region_8 \
!!! bus_space_write_region_8 unimplemented !!!
#endif
/*
* void bus_space_set_multi_N __P((bus_space_tag_t tag,
* bus_space_handle_t bsh, bus_size_t offset, u_intN_t val,
* size_t count));
*
* Write the 1, 2, 4, or 8 byte value `val' to bus space described
* by tag/handle/offset `count' times.
*/
#define bus_space_set_multi_1(t, h, o, val, c) do { \
(void) t; \
__asm __volatile (" \
movl %0,%%a0 ; \
movl %1,%%d1 ; \
movl %2,%%d0 ; \
1: movb %%d1,%%a0@ ; \
subql #1,%%d0 ; \
jne 1b" : \
: \
"r" ((h) + (o)), "g" (val), "g" (c) : \
"%a0","%d0","%d1"); \
} while (0)
#define bus_space_set_multi_2(t, h, o, val, c) do { \
(void) t; \
__asm __volatile (" \
movl %0,%%a0 ; \
movl %1,%%d1 ; \
movl %2,%%d0 ; \
1: movw %%d1,%%a0@ ; \
subql #1,%%d0 ; \
jne 1b" : \
: \
"r" ((h) + (o)), "g" (val), "g" (c) : \
"%a0","%d0","%d1"); \
} while (0)
#define bus_space_set_multi_4(t, h, o, val, c) do { \
(void) t; \
__asm __volatile (" \
movl %0,%%a0 ; \
movl %1,%%d1 ; \
movl %2,%%d0 ; \
1: movl %%d1,%%a0@ ; \
subql #1,%%d0 ; \
jne 1b" : \
: \
"r" ((h) + (o)), "g" (val), "g" (c) : \
"%a0","%d0","%d1"); \
} while (0)
#if 0 /* Cause a link error for bus_space_set_multi_8 */
#define bus_space_set_multi_8 \
!!! bus_space_set_multi_8 unimplemented !!!
#endif
/*
* void bus_space_set_region_N __P((bus_space_tag_t tag,
* bus_space_handle_t bsh, bus_size_t offset, u_intN_t val,
* size_t count));
*
* Write `count' 1, 2, 4, or 8 byte value `val' to bus space described
* by tag/handle starting at `offset'.
*/
#define bus_space_set_region_1(t, h, o, val, c) do { \
(void) t; \
__asm __volatile (" \
movl %0,%%a0 ; \
movl %1,%%d1 ; \
movl %2,%%d0 ; \
1: movb %%d1,%%a0@+ ; \
subql #1,%%d0 ; \
jne 1b" : \
: \
"r" ((h) + (o)), "g" (val), "g" (c) : \
"%a0","%d0","%d1"); \
} while (0)
#define bus_space_set_region_2(t, h, o, val, c) do { \
(void) t; \
__asm __volatile (" \
movl %0,%%a0 ; \
movl %1,%%d1 ; \
movl %2,%%d0 ; \
1: movw %%d1,%%a0@+ ; \
subql #1,%%d0 ; \
jne 1b" : \
: \
"r" ((h) + (o)), "g" (val), "g" (c) : \
"%a0","%d0","%d1"); \
} while (0)
#define bus_space_set_region_4(t, h, o, val, c) do { \
(void) t; \
__asm __volatile (" \
movl %0,%%a0 ; \
movl %1,%%d1 ; \
movl %2,%%d0 ; \
1: movl %%d1,%%a0@+ ; \
subql #1,%%d0 ; \
jne 1b" : \
: \
"r" ((h) + (o)), "g" (val), "g" (c) : \
"%a0","%d0","%d1"); \
} while (0)
#if 0 /* Cause a link error for bus_space_set_region_8 */
#define bus_space_set_region_8 \
!!! bus_space_set_region_8 unimplemented !!!
#endif
/*
* void bus_space_copy_region_N __P((bus_space_tag_t tag,
* bus_space_handle_t bsh1, bus_size_t off1,
* bus_space_handle_t bsh2, bus_size_t off2,
* bus_size_t count));
*
* Copy `count' 1, 2, 4, or 8 byte values from bus space starting
* at tag/bsh1/off1 to bus space starting at tag/bsh2/off2.
*/
#define __NEWS68K_copy_region_N(BYTES) \
static __inline void __CONCAT(bus_space_copy_region_,BYTES) \
__P((bus_space_tag_t, \
bus_space_handle_t bsh1, bus_size_t off1, \
bus_space_handle_t bsh2, bus_size_t off2, \
bus_size_t count)); \
\
static __inline void \
__CONCAT(bus_space_copy_region_,BYTES)(t, h1, o1, h2, o2, c) \
bus_space_tag_t t; \
bus_space_handle_t h1, h2; \
bus_size_t o1, o2, c; \
{ \
bus_size_t o; \
\
if ((h1 + o1) >= (h2 + o2)) { \
/* src after dest: copy forward */ \
for (o = 0; c != 0; c--, o += BYTES) \
__CONCAT(bus_space_write_,BYTES)(t, h2, o2 + o, \
__CONCAT(bus_space_read_,BYTES)(t, h1, o1 + o)); \
} else { \
/* dest after src: copy backwards */ \
for (o = (c - 1) * BYTES; c != 0; c--, o -= BYTES) \
__CONCAT(bus_space_write_,BYTES)(t, h2, o2 + o, \
__CONCAT(bus_space_read_,BYTES)(t, h1, o1 + o)); \
} \
}
__NEWS68K_copy_region_N(1)
__NEWS68K_copy_region_N(2)
__NEWS68K_copy_region_N(4)
#if 0 /* Cause a link error for bus_space_copy_region_8 */
#define bus_space_copy_region_8 \
!!! bus_space_copy_region_8 unimplemented !!!
#endif
#undef __NEWS68K_copy_region_N
/*
* Bus read/write barrier methods.
*
* void bus_space_barrier __P((bus_space_tag_t tag,
* bus_space_handle_t bsh, bus_size_t offset,
* bus_size_t len, int flags));
*
* Note: the 680x0 does not currently require barriers, but we must
* provide the flags to MI code.
*/
#define bus_space_barrier(t, h, o, l, f) \
((void)((void)(t), (void)(h), (void)(o), (void)(l), (void)(f)))
#define BUS_SPACE_BARRIER_READ 0x01 /* force read barrier */
#define BUS_SPACE_BARRIER_WRITE 0x02 /* force write barrier */
#define BUS_SPACE_ALIGNED_POINTER(p, t) ALIGNED_POINTER(p, t)
#endif /* _NEWS68K_BUS_H_ */

8
sys/arch/news68k/include/cpu.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: cpu.h,v 1.5 2000/08/25 01:04:08 thorpej Exp $ */
/* $NetBSD: cpu.h,v 1.6 2000/10/04 16:26:43 tsutsui Exp $ */
/*
* Copyright (c) 1988 University of Utah.
@ -271,4 +271,10 @@ void child_return __P((void *));
#define IIOP(va) (((u_int)(va) - (u_int)intiobase) + intiobase_phys)
#define IIOPOFF(pa) ((u_int)(pa) - intiobase_phys)
/* XXX EIO space mapping should be modified like hp300 XXX */
#define EIOSIZE (extiotop_phys - extiobase_phys)
#define ISEIOVA(va) \
((char *)(va) >= extiobase && (char *)(va) < (char *)EIOSIZE)
#define EIOV(pa) (((u_int)(pa) - extiobase_phys) + (u_int)extiobase)
#endif /* !_NEWS68K_CPU_H_ */

184
sys/arch/news68k/news68k/bus_space.c Normal file
View File

@ -0,0 +1,184 @@
/* $NetBSD: bus_space.c,v 1.1 2000/10/04 16:26:44 tsutsui Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe.
*
* 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 the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
/*
* Implementation of bus_space mapping for the news68k.
* Just taken from hp300.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/map.h>
#include <machine/bus.h>
#include <uvm/uvm_extern.h>
extern caddr_t extiobase;
extern int *nofault;
/* ARGSUSED */
int
bus_space_map(t, bpa, size, flags, bshp)
bus_space_tag_t t;
bus_addr_t bpa;
bus_size_t size;
int flags;
bus_space_handle_t *bshp;
{
if (t == NEWS68K_BUS_SPACE_INTIO) {
/*
* Intio space is direct-mapped in pmap_bootstrap(); just
* do the translation.
*/
*bshp = (bus_space_handle_t)IIOV(bpa);
return (0);
}
if (t == NEWS68K_BUS_SPACE_EIO)
*bshp = (bus_space_handle_t)EIOV(bpa);
return (0);
return (1);
}
/* ARGSUSED */
int
bus_space_alloc(t, rstart, rend, size, alignment, boundary, flags,
bpap, bshp)
bus_space_tag_t t;
bus_addr_t rstart, rend;
bus_size_t size, alignment, boundary;
int flags;
bus_addr_t *bpap;
bus_space_handle_t *bshp;
{
/*
* Not meaningful on any currently-supported news68k bus.
*/
return (EINVAL);
}
/* ARGSUSED */
void
bus_space_free(t, bsh, size)
bus_space_tag_t t;
bus_space_handle_t bsh;
bus_size_t size;
{
/*
* Not meaningful on any currently-supported news68k bus.
*/
panic("bus_space_free: shouldn't be here");
}
void
bus_space_unmap(t, bsh, size)
bus_space_tag_t t;
bus_space_handle_t bsh;
bus_size_t size;
{
if (t == NEWS68K_BUS_SPACE_INTIO) {
/*
* Intio space is direct-mapped in pmap_bootstrap(); nothing
* to do
*/
return;
}
if (t != NEWS68K_BUS_SPACE_EIO)
panic("bus_space_map: bad space tag");
return;
}
/* ARGSUSED */
int
bus_space_subregion(t, bsh, offset, size, nbshp)
bus_space_tag_t t;
bus_space_handle_t bsh;
bus_size_t offset, size;
bus_space_handle_t *nbshp;
{
*nbshp = bsh + offset;
return (0);
}
/* ARGSUSED */
int
news68k_bus_space_probe(t, bsh, offset, sz)
bus_space_tag_t t;
bus_space_handle_t bsh;
bus_size_t offset;
int sz;
{
label_t faultbuf;
int i;
nofault = (int *)&faultbuf;
if (setjmp((label_t *)nofault)) {
nofault = NULL;
return (0);
}
switch (sz) {
case 1:
i = bus_space_read_1(t, bsh, offset);
break;
case 2:
i = bus_space_read_2(t, bsh, offset);
break;
case 4:
i = bus_space_read_4(t, bsh, offset);
break;
default:
panic("bus_space_probe: unupported data size %d\n", sz);
/* NOTREACHED */
}
nofault = NULL;
return (1);
}