643 lines
20 KiB
C
643 lines
20 KiB
C
/*-
|
|
* Copyright (c) KATO Takenori, 1999.
|
|
*
|
|
* All rights reserved. Unpublished rights reserved under the copyright
|
|
* laws of Japan.
|
|
*
|
|
* 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 as
|
|
* the first lines of this file unmodified.
|
|
* 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
/* $NecBSD: busio.h,v 3.25.4.2.2.1 2000/06/12 03:53:08 honda Exp $ */
|
|
/* $NetBSD: bus.h,v 1.12 1997/10/01 08:25:15 fvdl Exp $ */
|
|
|
|
/*-
|
|
* [NetBSD for NEC PC-98 series]
|
|
* Copyright (c) 1997, 1998
|
|
* NetBSD/pc98 porting staff. All rights reserved.
|
|
*
|
|
* [Ported for FreeBSD]
|
|
* Copyright (c) 2001
|
|
* TAKAHASHI Yoshihiro. 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.
|
|
*/
|
|
|
|
/*
|
|
* Copyright (c) 1997, 1998
|
|
* Naofumi HONDA. All rights reserved.
|
|
*
|
|
* This module support generic bus address relocation mechanism.
|
|
* To reduce a function call overhead, we employ pascal call methods.
|
|
*/
|
|
|
|
#ifndef _PC98_BUS_H_
|
|
#define _PC98_BUS_H_
|
|
|
|
#include <sys/systm.h>
|
|
|
|
#include <machine/_bus.h>
|
|
#include <machine/cpufunc.h>
|
|
|
|
#define BUS_SPACE_MAXSIZE_24BIT 0xFFFFFF
|
|
#define BUS_SPACE_MAXSIZE_32BIT 0xFFFFFFFF
|
|
#define BUS_SPACE_MAXSIZE 0xFFFFFFFF
|
|
#define BUS_SPACE_MAXADDR_24BIT 0xFFFFFF
|
|
#define BUS_SPACE_MAXADDR_32BIT 0xFFFFFFFF
|
|
#define BUS_SPACE_MAXADDR 0xFFFFFFFF
|
|
|
|
#define BUS_SPACE_UNRESTRICTED (~0)
|
|
|
|
/*
|
|
* address relocation table
|
|
*/
|
|
#define BUS_SPACE_IAT_MAXSIZE 33
|
|
typedef bus_addr_t *bus_space_iat_t;
|
|
|
|
#define BUS_SPACE_IAT_SZ(IOTARRAY) (sizeof(IOTARRAY)/sizeof(bus_addr_t))
|
|
|
|
/*
|
|
* Access methods for bus resources and address space.
|
|
*/
|
|
struct resource;
|
|
|
|
/*
|
|
* bus space tag
|
|
*/
|
|
#define _PASCAL_CALL (void)
|
|
|
|
#define _BUS_SPACE_CALL_FUNCS_TAB(NAME,TYPE,BWN) \
|
|
NAME##_space_read_##BWN, \
|
|
NAME##_space_read_multi_##BWN, \
|
|
NAME##_space_read_region_##BWN, \
|
|
NAME##_space_write_##BWN, \
|
|
NAME##_space_write_multi_##BWN, \
|
|
NAME##_space_write_region_##BWN, \
|
|
NAME##_space_set_multi_##BWN, \
|
|
NAME##_space_set_region_##BWN, \
|
|
NAME##_space_copy_region_##BWN
|
|
|
|
#define _BUS_SPACE_CALL_FUNCS_PROTO(NAME,TYPE,BWN) \
|
|
TYPE NAME##_space_read_##BWN _PASCAL_CALL; \
|
|
void NAME##_space_read_multi_##BWN _PASCAL_CALL; \
|
|
void NAME##_space_read_region_##BWN _PASCAL_CALL; \
|
|
void NAME##_space_write_##BWN _PASCAL_CALL; \
|
|
void NAME##_space_write_multi_##BWN _PASCAL_CALL; \
|
|
void NAME##_space_write_region_##BWN _PASCAL_CALL; \
|
|
void NAME##_space_set_multi_##BWN _PASCAL_CALL; \
|
|
void NAME##_space_set_region_##BWN _PASCAL_CALL; \
|
|
void NAME##_space_copy_region_##BWN _PASCAL_CALL;
|
|
|
|
#define _BUS_SPACE_CALL_FUNCS(NAME,TYPE,BWN) \
|
|
TYPE (* NAME##_read_##BWN) _PASCAL_CALL; \
|
|
void (* NAME##_read_multi_##BWN) _PASCAL_CALL; \
|
|
void (* NAME##_read_region_##BWN) _PASCAL_CALL; \
|
|
void (* NAME##_write_##BWN) _PASCAL_CALL; \
|
|
void (* NAME##_write_multi_##BWN) _PASCAL_CALL; \
|
|
void (* NAME##_write_region_##BWN) _PASCAL_CALL; \
|
|
void (* NAME##_set_multi_##BWN) _PASCAL_CALL; \
|
|
void (* NAME##_set_region_##BWN) _PASCAL_CALL; \
|
|
void (* NAME##_copy_region_##BWN) _PASCAL_CALL;
|
|
|
|
struct bus_space_access_methods {
|
|
/* 8 bits access methods */
|
|
_BUS_SPACE_CALL_FUNCS(bs,u_int8_t,1)
|
|
|
|
/* 16 bits access methods */
|
|
_BUS_SPACE_CALL_FUNCS(bs,u_int16_t,2)
|
|
|
|
/* 32 bits access methods */
|
|
_BUS_SPACE_CALL_FUNCS(bs,u_int32_t,4)
|
|
};
|
|
|
|
/*
|
|
* Access methods for bus resources and address space.
|
|
*/
|
|
struct bus_space_tag {
|
|
#define BUS_SPACE_TAG_IO 0
|
|
#define BUS_SPACE_TAG_MEM 1
|
|
u_int bs_tag; /* bus space flags */
|
|
|
|
struct bus_space_access_methods bs_da; /* direct access */
|
|
struct bus_space_access_methods bs_ra; /* relocate access */
|
|
#if 0
|
|
struct bus_space_access_methods bs_ida; /* indexed direct access */
|
|
#endif
|
|
};
|
|
|
|
/*
|
|
* bus space handle
|
|
*/
|
|
struct bus_space_handle {
|
|
bus_addr_t bsh_base;
|
|
size_t bsh_sz;
|
|
|
|
bus_addr_t bsh_iat[BUS_SPACE_IAT_MAXSIZE];
|
|
size_t bsh_maxiatsz;
|
|
size_t bsh_iatsz;
|
|
|
|
struct resource **bsh_res;
|
|
size_t bsh_ressz;
|
|
|
|
struct bus_space_access_methods bsh_bam;
|
|
};
|
|
|
|
/*
|
|
* Values for the pc98 bus space tag, not to be used directly by MI code.
|
|
*/
|
|
extern struct bus_space_tag SBUS_io_space_tag;
|
|
extern struct bus_space_tag SBUS_mem_space_tag;
|
|
|
|
#define X86_BUS_SPACE_IO (&SBUS_io_space_tag)
|
|
#define X86_BUS_SPACE_MEM (&SBUS_mem_space_tag)
|
|
|
|
/*
|
|
* Allocate/Free bus_space_handle
|
|
*/
|
|
int i386_bus_space_handle_alloc(bus_space_tag_t t, bus_addr_t bpa,
|
|
bus_size_t size, bus_space_handle_t *bshp);
|
|
void i386_bus_space_handle_free(bus_space_tag_t t, bus_space_handle_t bsh,
|
|
size_t size);
|
|
|
|
/*
|
|
* int bus_space_map (bus_space_tag_t t, bus_addr_t addr,
|
|
* bus_size_t size, int flag, bus_space_handle_t *bshp);
|
|
*
|
|
* Map a region of bus space.
|
|
*/
|
|
|
|
int i386_memio_map(bus_space_tag_t t, bus_addr_t addr, bus_size_t size,
|
|
int flag, bus_space_handle_t *bshp);
|
|
|
|
#define bus_space_map(t, a, s, f, hp) \
|
|
i386_memio_map((t), (a), (s), (f), (hp))
|
|
|
|
/*
|
|
* int bus_space_unmap (bus_space_tag_t t,
|
|
* bus_space_handle_t bsh, bus_size_t size);
|
|
*
|
|
* Unmap a region of bus space.
|
|
*/
|
|
|
|
void i386_memio_unmap(bus_space_tag_t t, bus_space_handle_t bsh,
|
|
bus_size_t size);
|
|
|
|
#define bus_space_unmap(t, h, s) \
|
|
i386_memio_unmap((t), (h), (s))
|
|
|
|
/*
|
|
* int bus_space_map_load (bus_space_tag_t t, bus_space_handle_t bsh,
|
|
* bus_size_t size, bus_space_iat_t iat, u_int flags);
|
|
*
|
|
* Load I/O address table of bus space.
|
|
*/
|
|
|
|
int i386_memio_map_load(bus_space_tag_t t, bus_space_handle_t bsh,
|
|
bus_size_t size, bus_space_iat_t iat, u_int flags);
|
|
|
|
#define bus_space_map_load(t, h, s, iat, f) \
|
|
i386_memio_map_load((t), (h), (s), (iat), (f))
|
|
|
|
/*
|
|
* int bus_space_subregion (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 i386_memio_subregion(bus_space_tag_t t, bus_space_handle_t bsh,
|
|
bus_size_t offset, bus_size_t size,
|
|
bus_space_handle_t *nbshp);
|
|
|
|
#define bus_space_subregion(t, h, o, s, nhp) \
|
|
i386_memio_subregion((t), (h), (o), (s), (nhp))
|
|
|
|
/*
|
|
* int bus_space_free (bus_space_tag_t t,
|
|
* bus_space_handle_t bsh, bus_size_t size);
|
|
*
|
|
* Free a region of bus space.
|
|
*/
|
|
|
|
void i386_memio_free(bus_space_tag_t t, bus_space_handle_t bsh,
|
|
bus_size_t size);
|
|
|
|
#define bus_space_free(t, h, s) \
|
|
i386_memio_free((t), (h), (s))
|
|
|
|
/*
|
|
* int bus_space_compare (bus_space_tag_t t1, bus_space_handle_t bsh1,
|
|
* bus_space_tag_t t2, bus_space_handle_t bsh2);
|
|
*
|
|
* Compare two resources.
|
|
*/
|
|
int i386_memio_compare(bus_space_tag_t t1, bus_space_handle_t bsh1,
|
|
bus_space_tag_t t2, bus_space_handle_t bsh2);
|
|
|
|
#define bus_space_compare(t1, h1, t2, h2) \
|
|
i386_memio_compare((t1), (h1), (t2), (h2))
|
|
|
|
/*
|
|
* Access methods for bus resources and address space.
|
|
*/
|
|
#define _BUS_ACCESS_METHODS_PROTO(TYPE,BWN) \
|
|
static __inline TYPE bus_space_read_##BWN \
|
|
(bus_space_tag_t, bus_space_handle_t, bus_size_t offset); \
|
|
static __inline void bus_space_read_multi_##BWN \
|
|
(bus_space_tag_t, bus_space_handle_t, \
|
|
bus_size_t, TYPE *, size_t); \
|
|
static __inline void bus_space_read_region_##BWN \
|
|
(bus_space_tag_t, bus_space_handle_t, \
|
|
bus_size_t, TYPE *, size_t); \
|
|
static __inline void bus_space_write_##BWN \
|
|
(bus_space_tag_t, bus_space_handle_t, bus_size_t, TYPE); \
|
|
static __inline void bus_space_write_multi_##BWN \
|
|
(bus_space_tag_t, bus_space_handle_t, \
|
|
bus_size_t, const TYPE *, size_t); \
|
|
static __inline void bus_space_write_region_##BWN \
|
|
(bus_space_tag_t, bus_space_handle_t, \
|
|
bus_size_t, const TYPE *, size_t); \
|
|
static __inline void bus_space_set_multi_##BWN \
|
|
(bus_space_tag_t, bus_space_handle_t, bus_size_t, TYPE, size_t);\
|
|
static __inline void bus_space_set_region_##BWN \
|
|
(bus_space_tag_t, bus_space_handle_t, bus_size_t, TYPE, size_t);\
|
|
static __inline void bus_space_copy_region_##BWN \
|
|
(bus_space_tag_t, bus_space_handle_t, bus_size_t, \
|
|
bus_space_handle_t, bus_size_t, size_t);
|
|
|
|
_BUS_ACCESS_METHODS_PROTO(u_int8_t,1)
|
|
_BUS_ACCESS_METHODS_PROTO(u_int16_t,2)
|
|
_BUS_ACCESS_METHODS_PROTO(u_int32_t,4)
|
|
|
|
/*
|
|
* read methods
|
|
*/
|
|
#define _BUS_SPACE_READ(TYPE,BWN) \
|
|
static __inline TYPE \
|
|
bus_space_read_##BWN (bus_space_tag_t tag, bus_space_handle_t bsh, \
|
|
bus_size_t offset) \
|
|
{ \
|
|
register TYPE result; \
|
|
\
|
|
__asm __volatile("call *%2" \
|
|
:"=a" (result), \
|
|
"=d" (offset) \
|
|
:"o" (bsh->bsh_bam.bs_read_##BWN), \
|
|
"b" (bsh), \
|
|
"1" (offset) \
|
|
); \
|
|
\
|
|
return result; \
|
|
}
|
|
|
|
_BUS_SPACE_READ(u_int8_t,1)
|
|
_BUS_SPACE_READ(u_int16_t,2)
|
|
_BUS_SPACE_READ(u_int32_t,4)
|
|
|
|
/*
|
|
* write methods
|
|
*/
|
|
#define _BUS_SPACE_WRITE(TYPE,BWN) \
|
|
static __inline void \
|
|
bus_space_write_##BWN (bus_space_tag_t tag, bus_space_handle_t bsh, \
|
|
bus_size_t offset, TYPE val) \
|
|
{ \
|
|
\
|
|
__asm __volatile("call *%1" \
|
|
:"=d" (offset) \
|
|
:"o" (bsh->bsh_bam.bs_write_##BWN), \
|
|
"a" (val), \
|
|
"b" (bsh), \
|
|
"0" (offset) \
|
|
); \
|
|
}
|
|
|
|
_BUS_SPACE_WRITE(u_int8_t,1)
|
|
_BUS_SPACE_WRITE(u_int16_t,2)
|
|
_BUS_SPACE_WRITE(u_int32_t,4)
|
|
|
|
/*
|
|
* multi read
|
|
*/
|
|
#define _BUS_SPACE_READ_MULTI(TYPE,BWN) \
|
|
static __inline void \
|
|
bus_space_read_multi_##BWN (bus_space_tag_t tag, bus_space_handle_t bsh, \
|
|
bus_size_t offset, TYPE *buf, size_t cnt) \
|
|
{ \
|
|
\
|
|
__asm __volatile("call *%3" \
|
|
:"=c" (cnt), \
|
|
"=d" (offset), \
|
|
"=D" (buf) \
|
|
:"o" (bsh->bsh_bam.bs_read_multi_##BWN), \
|
|
"b" (bsh), \
|
|
"0" (cnt), \
|
|
"1" (offset), \
|
|
"2" (buf) \
|
|
:"memory"); \
|
|
}
|
|
|
|
_BUS_SPACE_READ_MULTI(u_int8_t,1)
|
|
_BUS_SPACE_READ_MULTI(u_int16_t,2)
|
|
_BUS_SPACE_READ_MULTI(u_int32_t,4)
|
|
|
|
/*
|
|
* multi write
|
|
*/
|
|
#define _BUS_SPACE_WRITE_MULTI(TYPE,BWN) \
|
|
static __inline void \
|
|
bus_space_write_multi_##BWN (bus_space_tag_t tag, bus_space_handle_t bsh, \
|
|
bus_size_t offset, const TYPE *buf, size_t cnt) \
|
|
{ \
|
|
\
|
|
__asm __volatile("call *%3" \
|
|
:"=c" (cnt), \
|
|
"=d" (offset), \
|
|
"=S" (buf) \
|
|
:"o" (bsh->bsh_bam.bs_write_multi_##BWN), \
|
|
"b" (bsh), \
|
|
"0" (cnt), \
|
|
"1" (offset), \
|
|
"2" (buf) \
|
|
); \
|
|
}
|
|
|
|
_BUS_SPACE_WRITE_MULTI(u_int8_t,1)
|
|
_BUS_SPACE_WRITE_MULTI(u_int16_t,2)
|
|
_BUS_SPACE_WRITE_MULTI(u_int32_t,4)
|
|
|
|
/*
|
|
* region read
|
|
*/
|
|
#define _BUS_SPACE_READ_REGION(TYPE,BWN) \
|
|
static __inline void \
|
|
bus_space_read_region_##BWN (bus_space_tag_t tag, bus_space_handle_t bsh, \
|
|
bus_size_t offset, TYPE *buf, size_t cnt) \
|
|
{ \
|
|
\
|
|
__asm __volatile("call *%3" \
|
|
:"=c" (cnt), \
|
|
"=d" (offset), \
|
|
"=D" (buf) \
|
|
:"o" (bsh->bsh_bam.bs_read_region_##BWN), \
|
|
"b" (bsh), \
|
|
"0" (cnt), \
|
|
"1" (offset), \
|
|
"2" (buf) \
|
|
:"memory"); \
|
|
}
|
|
|
|
_BUS_SPACE_READ_REGION(u_int8_t,1)
|
|
_BUS_SPACE_READ_REGION(u_int16_t,2)
|
|
_BUS_SPACE_READ_REGION(u_int32_t,4)
|
|
|
|
/*
|
|
* region write
|
|
*/
|
|
#define _BUS_SPACE_WRITE_REGION(TYPE,BWN) \
|
|
static __inline void \
|
|
bus_space_write_region_##BWN (bus_space_tag_t tag, bus_space_handle_t bsh, \
|
|
bus_size_t offset, const TYPE *buf, size_t cnt) \
|
|
{ \
|
|
\
|
|
__asm __volatile("call *%3" \
|
|
:"=c" (cnt), \
|
|
"=d" (offset), \
|
|
"=S" (buf) \
|
|
:"o" (bsh->bsh_bam.bs_write_region_##BWN), \
|
|
"b" (bsh), \
|
|
"0" (cnt), \
|
|
"1" (offset), \
|
|
"2" (buf) \
|
|
); \
|
|
}
|
|
|
|
_BUS_SPACE_WRITE_REGION(u_int8_t,1)
|
|
_BUS_SPACE_WRITE_REGION(u_int16_t,2)
|
|
_BUS_SPACE_WRITE_REGION(u_int32_t,4)
|
|
|
|
/*
|
|
* multi set
|
|
*/
|
|
#define _BUS_SPACE_SET_MULTI(TYPE,BWN) \
|
|
static __inline void \
|
|
bus_space_set_multi_##BWN (bus_space_tag_t tag, bus_space_handle_t bsh, \
|
|
bus_size_t offset, TYPE val, size_t cnt) \
|
|
{ \
|
|
\
|
|
__asm __volatile("call *%2" \
|
|
:"=c" (cnt), \
|
|
"=d" (offset) \
|
|
:"o" (bsh->bsh_bam.bs_set_multi_##BWN), \
|
|
"a" (val), \
|
|
"b" (bsh), \
|
|
"0" (cnt), \
|
|
"1" (offset) \
|
|
); \
|
|
}
|
|
|
|
_BUS_SPACE_SET_MULTI(u_int8_t,1)
|
|
_BUS_SPACE_SET_MULTI(u_int16_t,2)
|
|
_BUS_SPACE_SET_MULTI(u_int32_t,4)
|
|
|
|
/*
|
|
* region set
|
|
*/
|
|
#define _BUS_SPACE_SET_REGION(TYPE,BWN) \
|
|
static __inline void \
|
|
bus_space_set_region_##BWN (bus_space_tag_t tag, bus_space_handle_t bsh, \
|
|
bus_size_t offset, TYPE val, size_t cnt) \
|
|
{ \
|
|
\
|
|
__asm __volatile("call *%2" \
|
|
:"=c" (cnt), \
|
|
"=d" (offset) \
|
|
:"o" (bsh->bsh_bam.bs_set_region_##BWN), \
|
|
"a" (val), \
|
|
"b" (bsh), \
|
|
"0" (cnt), \
|
|
"1" (offset) \
|
|
); \
|
|
}
|
|
|
|
_BUS_SPACE_SET_REGION(u_int8_t,1)
|
|
_BUS_SPACE_SET_REGION(u_int16_t,2)
|
|
_BUS_SPACE_SET_REGION(u_int32_t,4)
|
|
|
|
/*
|
|
* copy
|
|
*/
|
|
#define _BUS_SPACE_COPY_REGION(BWN) \
|
|
static __inline void \
|
|
bus_space_copy_region_##BWN (bus_space_tag_t tag, bus_space_handle_t sbsh, \
|
|
bus_size_t src, bus_space_handle_t dbsh, bus_size_t dst, size_t cnt) \
|
|
{ \
|
|
\
|
|
if (dbsh->bsh_bam.bs_copy_region_1 != sbsh->bsh_bam.bs_copy_region_1) \
|
|
panic("bus_space_copy_region: funcs mismatch (ENOSUPPORT)");\
|
|
\
|
|
__asm __volatile("call *%3" \
|
|
:"=c" (cnt), \
|
|
"=S" (src), \
|
|
"=D" (dst) \
|
|
:"o" (dbsh->bsh_bam.bs_copy_region_##BWN), \
|
|
"a" (sbsh), \
|
|
"b" (dbsh), \
|
|
"0" (cnt), \
|
|
"1" (src), \
|
|
"2" (dst) \
|
|
); \
|
|
}
|
|
|
|
_BUS_SPACE_COPY_REGION(1)
|
|
_BUS_SPACE_COPY_REGION(2)
|
|
_BUS_SPACE_COPY_REGION(4)
|
|
|
|
/*
|
|
* Bus read/write barrier methods.
|
|
*
|
|
* void bus_space_barrier(bus_space_tag_t tag, bus_space_handle_t bsh,
|
|
* bus_size_t offset, bus_size_t len, int flags);
|
|
*
|
|
*
|
|
* Note that BUS_SPACE_BARRIER_WRITE doesn't do anything other than
|
|
* prevent reordering by the compiler; all Intel x86 processors currently
|
|
* retire operations outside the CPU in program order.
|
|
*/
|
|
#define BUS_SPACE_BARRIER_READ 0x01 /* force read barrier */
|
|
#define BUS_SPACE_BARRIER_WRITE 0x02 /* force write barrier */
|
|
|
|
static __inline void
|
|
bus_space_barrier(bus_space_tag_t tag, bus_space_handle_t bsh,
|
|
bus_size_t offset, bus_size_t len, int flags)
|
|
{
|
|
if (flags & BUS_SPACE_BARRIER_READ)
|
|
__asm __volatile("lock; addl $0,0(%%esp)" : : : "memory");
|
|
else
|
|
__compiler_membar();
|
|
}
|
|
|
|
#ifdef BUS_SPACE_NO_LEGACY
|
|
#undef inb
|
|
#undef outb
|
|
#define inb(a) compiler_error
|
|
#define inw(a) compiler_error
|
|
#define inl(a) compiler_error
|
|
#define outb(a, b) compiler_error
|
|
#define outw(a, b) compiler_error
|
|
#define outl(a, b) compiler_error
|
|
#endif
|
|
|
|
#include <machine/bus_dma.h>
|
|
|
|
/*
|
|
* Stream accesses are the same as normal accesses on i386/pc98; there are no
|
|
* supported bus systems with an endianess different from the host one.
|
|
*/
|
|
#define bus_space_read_stream_1(t, h, o) bus_space_read_1((t), (h), (o))
|
|
#define bus_space_read_stream_2(t, h, o) bus_space_read_2((t), (h), (o))
|
|
#define bus_space_read_stream_4(t, h, o) bus_space_read_4((t), (h), (o))
|
|
|
|
#define bus_space_read_multi_stream_1(t, h, o, a, c) \
|
|
bus_space_read_multi_1((t), (h), (o), (a), (c))
|
|
#define bus_space_read_multi_stream_2(t, h, o, a, c) \
|
|
bus_space_read_multi_2((t), (h), (o), (a), (c))
|
|
#define bus_space_read_multi_stream_4(t, h, o, a, c) \
|
|
bus_space_read_multi_4((t), (h), (o), (a), (c))
|
|
|
|
#define bus_space_write_stream_1(t, h, o, v) \
|
|
bus_space_write_1((t), (h), (o), (v))
|
|
#define bus_space_write_stream_2(t, h, o, v) \
|
|
bus_space_write_2((t), (h), (o), (v))
|
|
#define bus_space_write_stream_4(t, h, o, v) \
|
|
bus_space_write_4((t), (h), (o), (v))
|
|
|
|
#define bus_space_write_multi_stream_1(t, h, o, a, c) \
|
|
bus_space_write_multi_1((t), (h), (o), (a), (c))
|
|
#define bus_space_write_multi_stream_2(t, h, o, a, c) \
|
|
bus_space_write_multi_2((t), (h), (o), (a), (c))
|
|
#define bus_space_write_multi_stream_4(t, h, o, a, c) \
|
|
bus_space_write_multi_4((t), (h), (o), (a), (c))
|
|
|
|
#define bus_space_set_multi_stream_1(t, h, o, v, c) \
|
|
bus_space_set_multi_1((t), (h), (o), (v), (c))
|
|
#define bus_space_set_multi_stream_2(t, h, o, v, c) \
|
|
bus_space_set_multi_2((t), (h), (o), (v), (c))
|
|
#define bus_space_set_multi_stream_4(t, h, o, v, c) \
|
|
bus_space_set_multi_4((t), (h), (o), (v), (c))
|
|
|
|
#define bus_space_read_region_stream_1(t, h, o, a, c) \
|
|
bus_space_read_region_1((t), (h), (o), (a), (c))
|
|
#define bus_space_read_region_stream_2(t, h, o, a, c) \
|
|
bus_space_read_region_2((t), (h), (o), (a), (c))
|
|
#define bus_space_read_region_stream_4(t, h, o, a, c) \
|
|
bus_space_read_region_4((t), (h), (o), (a), (c))
|
|
|
|
#define bus_space_write_region_stream_1(t, h, o, a, c) \
|
|
bus_space_write_region_1((t), (h), (o), (a), (c))
|
|
#define bus_space_write_region_stream_2(t, h, o, a, c) \
|
|
bus_space_write_region_2((t), (h), (o), (a), (c))
|
|
#define bus_space_write_region_stream_4(t, h, o, a, c) \
|
|
bus_space_write_region_4((t), (h), (o), (a), (c))
|
|
|
|
#define bus_space_set_region_stream_1(t, h, o, v, c) \
|
|
bus_space_set_region_1((t), (h), (o), (v), (c))
|
|
#define bus_space_set_region_stream_2(t, h, o, v, c) \
|
|
bus_space_set_region_2((t), (h), (o), (v), (c))
|
|
#define bus_space_set_region_stream_4(t, h, o, v, c) \
|
|
bus_space_set_region_4((t), (h), (o), (v), (c))
|
|
|
|
#define bus_space_copy_region_stream_1(t, h1, o1, h2, o2, c) \
|
|
bus_space_copy_region_1((t), (h1), (o1), (h2), (o2), (c))
|
|
#define bus_space_copy_region_stream_2(t, h1, o1, h2, o2, c) \
|
|
bus_space_copy_region_2((t), (h1), (o1), (h2), (o2), (c))
|
|
#define bus_space_copy_region_stream_4(t, h1, o1, h2, o2, c) \
|
|
bus_space_copy_region_4((t), (h1), (o1), (h2), (o2), (c))
|
|
|
|
#endif /* _PC98_BUS_H_ */
|