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BUS_SPACE(9): Use FreeBSD files for i386 arch

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This commit is contained in:
Sebastian Huber 2015-09-29 11:00:58 +02:00
parent 4cf89826b0
commit b168f6972d
5 changed files with 758 additions and 835 deletions
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50
freebsd/sys/i386/include/machine/_bus.h Normal file
View File

@ -0,0 +1,50 @@
/*-
* Copyright (c) 2005 M. Warner Losh.
* 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,
* without modification, immediately at the beginning of the file.
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 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.
*
* $FreeBSD$
*/
#ifndef I386_INCLUDE__BUS_H
#define I386_INCLUDE__BUS_H
/*
* Bus address and size types
*/
#ifdef PAE
typedef uint64_t bus_addr_t;
#else
typedef uint32_t bus_addr_t;
#endif
typedef uint32_t bus_size_t;
/*
* Access methods for bus resources and address space.
*/
typedef int bus_space_tag_t;
typedef u_int bus_space_handle_t;
#endif /* I386_INCLUDE__BUS_H */

279
rtemsbsd/include/machine/bus_space-i386.h → freebsd/sys/x86/include/machine/bus.h
View File

@ -1,13 +1,3 @@
/**
* @file
*
* @ingroup rtems_bsd_machine
*
* @brief TODO.
*
* File origin from FreeBSD 'sys/i386/include/bus.h'.
*/
/*- /*-
* Copyright (c) KATO Takenori, 1999. * Copyright (c) KATO Takenori, 1999.
* *
@ -59,13 +49,6 @@
* 2. Redistributions in binary form must reproduce the above copyright * 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the * notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution. * 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 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
@ -111,20 +94,110 @@
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/ */
#ifndef _RTEMS_BSD_MACHINE_BUS_I386_H_ #ifndef _X86_BUS_H_
#define _RTEMS_BSD_MACHINE_BUS_I386_H_ #define _X86_BUS_H_
#include <machine/_bus.h> #include <machine/_bus.h>
#include <machine/cpufunc.h> #include <machine/cpufunc.h>
#include <machine/resource.h>
#if 0 #ifndef __GNUCLIKE_ASM
#define I386_BUS_SPACE_IO SYS_RES_IOPORT # ifndef lint
#else # error "no assembler code for your compiler"
#define I386_BUS_SPACE_IO 0 /* space is i/o space */ # endif
#define I386_BUS_SPACE_MEM 1 /* space is mem space */
#endif #endif
/*
* Values for the x86 bus space tag, not to be used directly by MI code.
*/
#define X86_BUS_SPACE_IO 0 /* space is i/o space */
#define X86_BUS_SPACE_MEM 1 /* space is mem space */
#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
#if defined(__amd64__) || defined(PAE)
#define BUS_SPACE_MAXADDR 0xFFFFFFFFFFFFFFFFULL
#else
#define BUS_SPACE_MAXADDR 0xFFFFFFFF
#endif
#define BUS_SPACE_UNRESTRICTED (~0)
/*
* Map a region of device bus space into CPU virtual address space.
*/
static __inline int bus_space_map(bus_space_tag_t t, bus_addr_t addr,
bus_size_t size, int flags,
bus_space_handle_t *bshp);
static __inline int
bus_space_map(bus_space_tag_t t __unused, bus_addr_t addr,
bus_size_t size __unused, int flags __unused,
bus_space_handle_t *bshp)
{
*bshp = addr;
return (0);
}
/*
* Unmap a region of device bus space.
*/
static __inline void bus_space_unmap(bus_space_tag_t t, bus_space_handle_t bsh,
bus_size_t size);
static __inline void
bus_space_unmap(bus_space_tag_t t __unused, bus_space_handle_t bsh __unused,
bus_size_t size __unused)
{
}
/*
* Get a new handle for a subregion of an already-mapped area of bus space.
*/
static __inline 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);
static __inline int
bus_space_subregion(bus_space_tag_t t __unused, bus_space_handle_t bsh,
bus_size_t offset, bus_size_t size __unused,
bus_space_handle_t *nbshp)
{
*nbshp = bsh + offset;
return (0);
}
/*
* Allocate a region of memory that is accessible to devices in bus space.
*/
int bus_space_alloc(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);
/*
* Free a region of bus space accessible memory.
*/
static __inline void bus_space_free(bus_space_tag_t t, bus_space_handle_t bsh,
bus_size_t size);
static __inline void
bus_space_free(bus_space_tag_t t __unused, bus_space_handle_t bsh __unused,
bus_size_t size __unused)
{
}
/* /*
* Read a 1, 2, 4, or 8 byte quantity from bus space * Read a 1, 2, 4, or 8 byte quantity from bus space
* described by tag/handle/offset. * described by tag/handle/offset.
@ -146,7 +219,7 @@ bus_space_read_1(bus_space_tag_t tag, bus_space_handle_t handle,
bus_size_t offset) bus_size_t offset)
{ {
if (tag == I386_BUS_SPACE_IO) if (tag == X86_BUS_SPACE_IO)
return (inb(handle + offset)); return (inb(handle + offset));
return (*(volatile u_int8_t *)(handle + offset)); return (*(volatile u_int8_t *)(handle + offset));
} }
@ -156,7 +229,7 @@ bus_space_read_2(bus_space_tag_t tag, bus_space_handle_t handle,
bus_size_t offset) bus_size_t offset)
{ {
if (tag == I386_BUS_SPACE_IO) if (tag == X86_BUS_SPACE_IO)
return (inw(handle + offset)); return (inw(handle + offset));
return (*(volatile u_int16_t *)(handle + offset)); return (*(volatile u_int16_t *)(handle + offset));
} }
@ -166,7 +239,7 @@ bus_space_read_4(bus_space_tag_t tag, bus_space_handle_t handle,
bus_size_t offset) bus_size_t offset)
{ {
if (tag == I386_BUS_SPACE_IO) if (tag == X86_BUS_SPACE_IO)
return (inl(handle + offset)); return (inl(handle + offset));
return (*(volatile u_int32_t *)(handle + offset)); return (*(volatile u_int32_t *)(handle + offset));
} }
@ -199,7 +272,7 @@ bus_space_read_multi_1(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, u_int8_t *addr, size_t count) bus_size_t offset, u_int8_t *addr, size_t count)
{ {
if (tag == I386_BUS_SPACE_IO) if (tag == X86_BUS_SPACE_IO)
insb(bsh + offset, addr, count); insb(bsh + offset, addr, count);
else { else {
#ifdef __GNUCLIKE_ASM #ifdef __GNUCLIKE_ASM
@ -211,10 +284,6 @@ bus_space_read_multi_1(bus_space_tag_t tag, bus_space_handle_t bsh,
"=D" (addr), "=c" (count) : "=D" (addr), "=c" (count) :
"r" (bsh + offset), "0" (addr), "1" (count) : "r" (bsh + offset), "0" (addr), "1" (count) :
"%eax", "memory"); "%eax", "memory");
#else
# ifndef lint
# error "no assembler code for your compiler"
# endif
#endif #endif
} }
} }
@ -224,7 +293,7 @@ bus_space_read_multi_2(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, u_int16_t *addr, size_t count) bus_size_t offset, u_int16_t *addr, size_t count)
{ {
if (tag == I386_BUS_SPACE_IO) if (tag == X86_BUS_SPACE_IO)
insw(bsh + offset, addr, count); insw(bsh + offset, addr, count);
else { else {
#ifdef __GNUCLIKE_ASM #ifdef __GNUCLIKE_ASM
@ -236,10 +305,6 @@ bus_space_read_multi_2(bus_space_tag_t tag, bus_space_handle_t bsh,
"=D" (addr), "=c" (count) : "=D" (addr), "=c" (count) :
"r" (bsh + offset), "0" (addr), "1" (count) : "r" (bsh + offset), "0" (addr), "1" (count) :
"%eax", "memory"); "%eax", "memory");
#else
# ifndef lint
# error "no assembler code for your compiler"
# endif
#endif #endif
} }
} }
@ -249,7 +314,7 @@ bus_space_read_multi_4(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, u_int32_t *addr, size_t count) bus_size_t offset, u_int32_t *addr, size_t count)
{ {
if (tag == I386_BUS_SPACE_IO) if (tag == X86_BUS_SPACE_IO)
insl(bsh + offset, addr, count); insl(bsh + offset, addr, count);
else { else {
#ifdef __GNUCLIKE_ASM #ifdef __GNUCLIKE_ASM
@ -261,10 +326,6 @@ bus_space_read_multi_4(bus_space_tag_t tag, bus_space_handle_t bsh,
"=D" (addr), "=c" (count) : "=D" (addr), "=c" (count) :
"r" (bsh + offset), "0" (addr), "1" (count) : "r" (bsh + offset), "0" (addr), "1" (count) :
"%eax", "memory"); "%eax", "memory");
#else
# ifndef lint
# error "no assembler code for your compiler"
# endif
#endif #endif
} }
} }
@ -299,7 +360,7 @@ bus_space_read_region_1(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, u_int8_t *addr, size_t count) bus_size_t offset, u_int8_t *addr, size_t count)
{ {
if (tag == I386_BUS_SPACE_IO) { if (tag == X86_BUS_SPACE_IO) {
int _port_ = bsh + offset; int _port_ = bsh + offset;
#ifdef __GNUCLIKE_ASM #ifdef __GNUCLIKE_ASM
__asm __volatile(" \n\ __asm __volatile(" \n\
@ -311,13 +372,9 @@ bus_space_read_region_1(bus_space_tag_t tag, bus_space_handle_t bsh,
"=D" (addr), "=c" (count), "=d" (_port_) : "=D" (addr), "=c" (count), "=d" (_port_) :
"0" (addr), "1" (count), "2" (_port_) : "0" (addr), "1" (count), "2" (_port_) :
"%eax", "memory", "cc"); "%eax", "memory", "cc");
#else
# ifndef lint
# error "no assembler code for your compiler"
# endif
#endif #endif
} else { } else {
int _port_ = bsh + offset; bus_space_handle_t _port_ = bsh + offset;
#ifdef __GNUCLIKE_ASM #ifdef __GNUCLIKE_ASM
__asm __volatile(" \n\ __asm __volatile(" \n\
cld \n\ cld \n\
@ -326,10 +383,6 @@ bus_space_read_region_1(bus_space_tag_t tag, bus_space_handle_t bsh,
"=D" (addr), "=c" (count), "=S" (_port_) : "=D" (addr), "=c" (count), "=S" (_port_) :
"0" (addr), "1" (count), "2" (_port_) : "0" (addr), "1" (count), "2" (_port_) :
"memory", "cc"); "memory", "cc");
#else
# ifndef lint
# error "no assembler code for your compiler"
# endif
#endif #endif
} }
} }
@ -339,7 +392,7 @@ bus_space_read_region_2(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, u_int16_t *addr, size_t count) bus_size_t offset, u_int16_t *addr, size_t count)
{ {
if (tag == I386_BUS_SPACE_IO) { if (tag == X86_BUS_SPACE_IO) {
int _port_ = bsh + offset; int _port_ = bsh + offset;
#ifdef __GNUCLIKE_ASM #ifdef __GNUCLIKE_ASM
__asm __volatile(" \n\ __asm __volatile(" \n\
@ -351,13 +404,9 @@ bus_space_read_region_2(bus_space_tag_t tag, bus_space_handle_t bsh,
"=D" (addr), "=c" (count), "=d" (_port_) : "=D" (addr), "=c" (count), "=d" (_port_) :
"0" (addr), "1" (count), "2" (_port_) : "0" (addr), "1" (count), "2" (_port_) :
"%eax", "memory", "cc"); "%eax", "memory", "cc");
#else
# ifndef lint
# error "no assembler code for your compiler"
# endif
#endif #endif
} else { } else {
int _port_ = bsh + offset; bus_space_handle_t _port_ = bsh + offset;
#ifdef __GNUCLIKE_ASM #ifdef __GNUCLIKE_ASM
__asm __volatile(" \n\ __asm __volatile(" \n\
cld \n\ cld \n\
@ -366,10 +415,6 @@ bus_space_read_region_2(bus_space_tag_t tag, bus_space_handle_t bsh,
"=D" (addr), "=c" (count), "=S" (_port_) : "=D" (addr), "=c" (count), "=S" (_port_) :
"0" (addr), "1" (count), "2" (_port_) : "0" (addr), "1" (count), "2" (_port_) :
"memory", "cc"); "memory", "cc");
#else
# ifndef lint
# error "no assembler code for your compiler"
# endif
#endif #endif
} }
} }
@ -379,7 +424,7 @@ bus_space_read_region_4(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, u_int32_t *addr, size_t count) bus_size_t offset, u_int32_t *addr, size_t count)
{ {
if (tag == I386_BUS_SPACE_IO) { if (tag == X86_BUS_SPACE_IO) {
int _port_ = bsh + offset; int _port_ = bsh + offset;
#ifdef __GNUCLIKE_ASM #ifdef __GNUCLIKE_ASM
__asm __volatile(" \n\ __asm __volatile(" \n\
@ -391,13 +436,9 @@ bus_space_read_region_4(bus_space_tag_t tag, bus_space_handle_t bsh,
"=D" (addr), "=c" (count), "=d" (_port_) : "=D" (addr), "=c" (count), "=d" (_port_) :
"0" (addr), "1" (count), "2" (_port_) : "0" (addr), "1" (count), "2" (_port_) :
"%eax", "memory", "cc"); "%eax", "memory", "cc");
#else
# ifndef lint
# error "no assembler code for your compiler"
# endif
#endif #endif
} else { } else {
int _port_ = bsh + offset; bus_space_handle_t _port_ = bsh + offset;
#ifdef __GNUCLIKE_ASM #ifdef __GNUCLIKE_ASM
__asm __volatile(" \n\ __asm __volatile(" \n\
cld \n\ cld \n\
@ -406,10 +447,6 @@ bus_space_read_region_4(bus_space_tag_t tag, bus_space_handle_t bsh,
"=D" (addr), "=c" (count), "=S" (_port_) : "=D" (addr), "=c" (count), "=S" (_port_) :
"0" (addr), "1" (count), "2" (_port_) : "0" (addr), "1" (count), "2" (_port_) :
"memory", "cc"); "memory", "cc");
#else
# ifndef lint
# error "no assembler code for your compiler"
# endif
#endif #endif
} }
} }
@ -440,7 +477,7 @@ bus_space_write_1(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, u_int8_t value) bus_size_t offset, u_int8_t value)
{ {
if (tag == I386_BUS_SPACE_IO) if (tag == X86_BUS_SPACE_IO)
outb(bsh + offset, value); outb(bsh + offset, value);
else else
*(volatile u_int8_t *)(bsh + offset) = value; *(volatile u_int8_t *)(bsh + offset) = value;
@ -451,7 +488,7 @@ bus_space_write_2(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, u_int16_t value) bus_size_t offset, u_int16_t value)
{ {
if (tag == I386_BUS_SPACE_IO) if (tag == X86_BUS_SPACE_IO)
outw(bsh + offset, value); outw(bsh + offset, value);
else else
*(volatile u_int16_t *)(bsh + offset) = value; *(volatile u_int16_t *)(bsh + offset) = value;
@ -462,7 +499,7 @@ bus_space_write_4(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, u_int32_t value) bus_size_t offset, u_int32_t value)
{ {
if (tag == I386_BUS_SPACE_IO) if (tag == X86_BUS_SPACE_IO)
outl(bsh + offset, value); outl(bsh + offset, value);
else else
*(volatile u_int32_t *)(bsh + offset) = value; *(volatile u_int32_t *)(bsh + offset) = value;
@ -499,7 +536,7 @@ bus_space_write_multi_1(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, const u_int8_t *addr, size_t count) bus_size_t offset, const u_int8_t *addr, size_t count)
{ {
if (tag == I386_BUS_SPACE_IO) if (tag == X86_BUS_SPACE_IO)
outsb(bsh + offset, addr, count); outsb(bsh + offset, addr, count);
else { else {
#ifdef __GNUCLIKE_ASM #ifdef __GNUCLIKE_ASM
@ -511,10 +548,6 @@ bus_space_write_multi_1(bus_space_tag_t tag, bus_space_handle_t bsh,
"=S" (addr), "=c" (count) : "=S" (addr), "=c" (count) :
"r" (bsh + offset), "0" (addr), "1" (count) : "r" (bsh + offset), "0" (addr), "1" (count) :
"%eax", "memory", "cc"); "%eax", "memory", "cc");
#else
# ifndef lint
# error "no assembler code for your compiler"
# endif
#endif #endif
} }
} }
@ -524,7 +557,7 @@ bus_space_write_multi_2(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, const u_int16_t *addr, size_t count) bus_size_t offset, const u_int16_t *addr, size_t count)
{ {
if (tag == I386_BUS_SPACE_IO) if (tag == X86_BUS_SPACE_IO)
outsw(bsh + offset, addr, count); outsw(bsh + offset, addr, count);
else { else {
#ifdef __GNUCLIKE_ASM #ifdef __GNUCLIKE_ASM
@ -536,10 +569,6 @@ bus_space_write_multi_2(bus_space_tag_t tag, bus_space_handle_t bsh,
"=S" (addr), "=c" (count) : "=S" (addr), "=c" (count) :
"r" (bsh + offset), "0" (addr), "1" (count) : "r" (bsh + offset), "0" (addr), "1" (count) :
"%eax", "memory", "cc"); "%eax", "memory", "cc");
#else
# ifndef lint
# error "no assembler code for your compiler"
# endif
#endif #endif
} }
} }
@ -549,7 +578,7 @@ bus_space_write_multi_4(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, const u_int32_t *addr, size_t count) bus_size_t offset, const u_int32_t *addr, size_t count)
{ {
if (tag == I386_BUS_SPACE_IO) if (tag == X86_BUS_SPACE_IO)
outsl(bsh + offset, addr, count); outsl(bsh + offset, addr, count);
else { else {
#ifdef __GNUCLIKE_ASM #ifdef __GNUCLIKE_ASM
@ -561,10 +590,6 @@ bus_space_write_multi_4(bus_space_tag_t tag, bus_space_handle_t bsh,
"=S" (addr), "=c" (count) : "=S" (addr), "=c" (count) :
"r" (bsh + offset), "0" (addr), "1" (count) : "r" (bsh + offset), "0" (addr), "1" (count) :
"%eax", "memory", "cc"); "%eax", "memory", "cc");
#else
# ifndef lint
# error "no assembler code for your compiler"
# endif
#endif #endif
} }
} }
@ -600,7 +625,7 @@ bus_space_write_region_1(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, const u_int8_t *addr, size_t count) bus_size_t offset, const u_int8_t *addr, size_t count)
{ {
if (tag == I386_BUS_SPACE_IO) { if (tag == X86_BUS_SPACE_IO) {
int _port_ = bsh + offset; int _port_ = bsh + offset;
#ifdef __GNUCLIKE_ASM #ifdef __GNUCLIKE_ASM
__asm __volatile(" \n\ __asm __volatile(" \n\
@ -612,13 +637,9 @@ bus_space_write_region_1(bus_space_tag_t tag, bus_space_handle_t bsh,
"=d" (_port_), "=S" (addr), "=c" (count) : "=d" (_port_), "=S" (addr), "=c" (count) :
"0" (_port_), "1" (addr), "2" (count) : "0" (_port_), "1" (addr), "2" (count) :
"%eax", "memory", "cc"); "%eax", "memory", "cc");
#else
# ifndef lint
# error "no assembler code for your compiler"
# endif
#endif #endif
} else { } else {
int _port_ = bsh + offset; bus_space_handle_t _port_ = bsh + offset;
#ifdef __GNUCLIKE_ASM #ifdef __GNUCLIKE_ASM
__asm __volatile(" \n\ __asm __volatile(" \n\
cld \n\ cld \n\
@ -627,10 +648,6 @@ bus_space_write_region_1(bus_space_tag_t tag, bus_space_handle_t bsh,
"=D" (_port_), "=S" (addr), "=c" (count) : "=D" (_port_), "=S" (addr), "=c" (count) :
"0" (_port_), "1" (addr), "2" (count) : "0" (_port_), "1" (addr), "2" (count) :
"memory", "cc"); "memory", "cc");
#else
# ifndef lint
# error "no assembler code for your compiler"
# endif
#endif #endif
} }
} }
@ -640,7 +657,7 @@ bus_space_write_region_2(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, const u_int16_t *addr, size_t count) bus_size_t offset, const u_int16_t *addr, size_t count)
{ {
if (tag == I386_BUS_SPACE_IO) { if (tag == X86_BUS_SPACE_IO) {
int _port_ = bsh + offset; int _port_ = bsh + offset;
#ifdef __GNUCLIKE_ASM #ifdef __GNUCLIKE_ASM
__asm __volatile(" \n\ __asm __volatile(" \n\
@ -652,13 +669,9 @@ bus_space_write_region_2(bus_space_tag_t tag, bus_space_handle_t bsh,
"=d" (_port_), "=S" (addr), "=c" (count) : "=d" (_port_), "=S" (addr), "=c" (count) :
"0" (_port_), "1" (addr), "2" (count) : "0" (_port_), "1" (addr), "2" (count) :
"%eax", "memory", "cc"); "%eax", "memory", "cc");
#else
# ifndef lint
# error "no assembler code for your compiler"
# endif
#endif #endif
} else { } else {
int _port_ = bsh + offset; bus_space_handle_t _port_ = bsh + offset;
#ifdef __GNUCLIKE_ASM #ifdef __GNUCLIKE_ASM
__asm __volatile(" \n\ __asm __volatile(" \n\
cld \n\ cld \n\
@ -667,10 +680,6 @@ bus_space_write_region_2(bus_space_tag_t tag, bus_space_handle_t bsh,
"=D" (_port_), "=S" (addr), "=c" (count) : "=D" (_port_), "=S" (addr), "=c" (count) :
"0" (_port_), "1" (addr), "2" (count) : "0" (_port_), "1" (addr), "2" (count) :
"memory", "cc"); "memory", "cc");
#else
# ifndef lint
# error "no assembler code for your compiler"
# endif
#endif #endif
} }
} }
@ -680,7 +689,7 @@ bus_space_write_region_4(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, const u_int32_t *addr, size_t count) bus_size_t offset, const u_int32_t *addr, size_t count)
{ {
if (tag == I386_BUS_SPACE_IO) { if (tag == X86_BUS_SPACE_IO) {
int _port_ = bsh + offset; int _port_ = bsh + offset;
#ifdef __GNUCLIKE_ASM #ifdef __GNUCLIKE_ASM
__asm __volatile(" \n\ __asm __volatile(" \n\
@ -692,13 +701,9 @@ bus_space_write_region_4(bus_space_tag_t tag, bus_space_handle_t bsh,
"=d" (_port_), "=S" (addr), "=c" (count) : "=d" (_port_), "=S" (addr), "=c" (count) :
"0" (_port_), "1" (addr), "2" (count) : "0" (_port_), "1" (addr), "2" (count) :
"%eax", "memory", "cc"); "%eax", "memory", "cc");
#else
# ifndef lint
# error "no assembler code for your compiler"
# endif
#endif #endif
} else { } else {
int _port_ = bsh + offset; bus_space_handle_t _port_ = bsh + offset;
#ifdef __GNUCLIKE_ASM #ifdef __GNUCLIKE_ASM
__asm __volatile(" \n\ __asm __volatile(" \n\
cld \n\ cld \n\
@ -707,10 +712,6 @@ bus_space_write_region_4(bus_space_tag_t tag, bus_space_handle_t bsh,
"=D" (_port_), "=S" (addr), "=c" (count) : "=D" (_port_), "=S" (addr), "=c" (count) :
"0" (_port_), "1" (addr), "2" (count) : "0" (_port_), "1" (addr), "2" (count) :
"memory", "cc"); "memory", "cc");
#else
# ifndef lint
# error "no assembler code for your compiler"
# endif
#endif #endif
} }
} }
@ -744,7 +745,7 @@ bus_space_set_multi_1(bus_space_tag_t tag, bus_space_handle_t bsh,
{ {
bus_space_handle_t addr = bsh + offset; bus_space_handle_t addr = bsh + offset;
if (tag == I386_BUS_SPACE_IO) if (tag == X86_BUS_SPACE_IO)
while (count--) while (count--)
outb(addr, value); outb(addr, value);
else else
@ -758,7 +759,7 @@ bus_space_set_multi_2(bus_space_tag_t tag, bus_space_handle_t bsh,
{ {
bus_space_handle_t addr = bsh + offset; bus_space_handle_t addr = bsh + offset;
if (tag == I386_BUS_SPACE_IO) if (tag == X86_BUS_SPACE_IO)
while (count--) while (count--)
outw(addr, value); outw(addr, value);
else else
@ -772,7 +773,7 @@ bus_space_set_multi_4(bus_space_tag_t tag, bus_space_handle_t bsh,
{ {
bus_space_handle_t addr = bsh + offset; bus_space_handle_t addr = bsh + offset;
if (tag == I386_BUS_SPACE_IO) if (tag == X86_BUS_SPACE_IO)
while (count--) while (count--)
outl(addr, value); outl(addr, value);
else else
@ -808,7 +809,7 @@ bus_space_set_region_1(bus_space_tag_t tag, bus_space_handle_t bsh,
{ {
bus_space_handle_t addr = bsh + offset; bus_space_handle_t addr = bsh + offset;
if (tag == I386_BUS_SPACE_IO) if (tag == X86_BUS_SPACE_IO)
for (; count != 0; count--, addr++) for (; count != 0; count--, addr++)
outb(addr, value); outb(addr, value);
else else
@ -822,7 +823,7 @@ bus_space_set_region_2(bus_space_tag_t tag, bus_space_handle_t bsh,
{ {
bus_space_handle_t addr = bsh + offset; bus_space_handle_t addr = bsh + offset;
if (tag == I386_BUS_SPACE_IO) if (tag == X86_BUS_SPACE_IO)
for (; count != 0; count--, addr += 2) for (; count != 0; count--, addr += 2)
outw(addr, value); outw(addr, value);
else else
@ -836,7 +837,7 @@ bus_space_set_region_4(bus_space_tag_t tag, bus_space_handle_t bsh,
{ {
bus_space_handle_t addr = bsh + offset; bus_space_handle_t addr = bsh + offset;
if (tag == I386_BUS_SPACE_IO) if (tag == X86_BUS_SPACE_IO)
for (; count != 0; count--, addr += 4) for (; count != 0; count--, addr += 4)
outl(addr, value); outl(addr, value);
else else
@ -879,7 +880,7 @@ bus_space_copy_region_1(bus_space_tag_t tag, bus_space_handle_t bsh1,
bus_space_handle_t addr1 = bsh1 + off1; bus_space_handle_t addr1 = bsh1 + off1;
bus_space_handle_t addr2 = bsh2 + off2; bus_space_handle_t addr2 = bsh2 + off2;
if (tag == I386_BUS_SPACE_IO) { if (tag == X86_BUS_SPACE_IO) {
if (addr1 >= addr2) { if (addr1 >= addr2) {
/* src after dest: copy forward */ /* src after dest: copy forward */
for (; count != 0; count--, addr1++, addr2++) for (; count != 0; count--, addr1++, addr2++)
@ -914,7 +915,7 @@ bus_space_copy_region_2(bus_space_tag_t tag, bus_space_handle_t bsh1,
bus_space_handle_t addr1 = bsh1 + off1; bus_space_handle_t addr1 = bsh1 + off1;
bus_space_handle_t addr2 = bsh2 + off2; bus_space_handle_t addr2 = bsh2 + off2;
if (tag == I386_BUS_SPACE_IO) { if (tag == X86_BUS_SPACE_IO) {
if (addr1 >= addr2) { if (addr1 >= addr2) {
/* src after dest: copy forward */ /* src after dest: copy forward */
for (; count != 0; count--, addr1 += 2, addr2 += 2) for (; count != 0; count--, addr1 += 2, addr2 += 2)
@ -949,7 +950,7 @@ bus_space_copy_region_4(bus_space_tag_t tag, bus_space_handle_t bsh1,
bus_space_handle_t addr1 = bsh1 + off1; bus_space_handle_t addr1 = bsh1 + off1;
bus_space_handle_t addr2 = bsh2 + off2; bus_space_handle_t addr2 = bsh2 + off2;
if (tag == I386_BUS_SPACE_IO) { if (tag == X86_BUS_SPACE_IO) {
if (addr1 >= addr2) { if (addr1 >= addr2) {
/* src after dest: copy forward */ /* src after dest: copy forward */
for (; count != 0; count--, addr1 += 4, addr2 += 4) for (; count != 0; count--, addr1 += 4, addr2 += 4)
@ -1000,13 +1001,13 @@ bus_space_barrier(bus_space_tag_t tag __unused, bus_space_handle_t bsh __unused,
{ {
#ifdef __GNUCLIKE_ASM #ifdef __GNUCLIKE_ASM
if (flags & BUS_SPACE_BARRIER_READ) if (flags & BUS_SPACE_BARRIER_READ)
__asm __volatile("lock; addl $0,0(%%esp)" : : : "memory"); #ifdef __amd64__
else __asm __volatile("lock; addl $0,0(%%rsp)" : : : "memory");
__asm __volatile("" : : : "memory");
#else #else
# ifndef lint __asm __volatile("lock; addl $0,0(%%esp)" : : : "memory");
# error "no assembler code for your compiler" #endif
# endif else
__compiler_membar();
#endif #endif
} }
@ -1021,12 +1022,10 @@ bus_space_barrier(bus_space_tag_t tag __unused, bus_space_handle_t bsh __unused,
#define outl(a, b) compiler_error #define outl(a, b) compiler_error
#endif #endif
#ifndef __rtems__
#include <machine/bus_dma.h> #include <machine/bus_dma.h>
#endif
/* /*
* Stream accesses are the same as normal accesses on i386/pc98; there are no * Stream accesses are the same as normal accesses on x86; there are no
* supported bus systems with an endianess different from the host one. * 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_1(t, h, o) bus_space_read_1((t), (h), (o))
@ -1089,4 +1088,4 @@ bus_space_barrier(bus_space_tag_t tag __unused, bus_space_handle_t bsh __unused,
#define bus_space_copy_region_stream_4(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)) bus_space_copy_region_4((t), (h1), (o1), (h2), (o2), (c))
#endif /* _RTEMS_BSD_MACHINE_BUS_I386_H_ */ #endif /* _X86_BUS_H_ */

2
libbsd.py
View File

@ -1732,7 +1732,9 @@ def pci(mm):
) )
mod.addCPUDependentHeaderFiles( mod.addCPUDependentHeaderFiles(
[ [
'sys/i386/include/_bus.h',
'sys/i386/include/legacyvar.h', 'sys/i386/include/legacyvar.h',
'sys/x86/include/bus.h',
'sys/x86/include/pci_cfgreg.h', 'sys/x86/include/pci_cfgreg.h',
] ]
) )

578
rtemsbsd/include/machine/bus.h
View File

@ -9,10 +9,10 @@
*/ */
/*- /*-
* Copyright (c) 2009, 2010 embedded brains GmbH. All rights reserved. * Copyright (c) 2009, 2015 embedded brains GmbH. All rights reserved.
* *
* embedded brains GmbH * embedded brains GmbH
* Obere Lagerstr. 30 * Dornierstr. 4
* 82178 Puchheim * 82178 Puchheim
* Germany * Germany
* <rtems@embedded-brains.de> * <rtems@embedded-brains.de>
@ -122,6 +122,10 @@
#error "the header file <machine/rtems-bsd-kernel-space.h> must be included first" #error "the header file <machine/rtems-bsd-kernel-space.h> must be included first"
#endif #endif
#ifdef __i386__
#error "your include paths are wrong"
#endif
/* /*
* Bus address alignment. * Bus address alignment.
*/ */
@ -211,16 +215,568 @@ bus_space_alloc(bus_space_tag_t bst __unused, bus_addr_t rstart, bus_addr_t rend
void void
bus_space_free(bus_space_tag_t bst __unused, bus_space_handle_t bsh, bus_size_t size); bus_space_free(bus_space_tag_t bst __unused, bus_space_handle_t bsh, bus_size_t size);
static __inline void
bus_space_barrier(bus_space_tag_t bst __unused, bus_space_handle_t bsh, bus_size_t ofs,
bus_size_t size, int flags)
{
/* Do nothing */
}
#if defined(__i386__) /*
#include <machine/bus_space-i386.h> * Read 1 unit of data from bus space described by the tag, handle and ofs
#elif defined(__PPC__) || defined(__arm__) || defined(__m68k__) * tuple. A unit of data can be 1 byte, 2 bytes, 4 bytes or 8 bytes. The
#include <machine/bus_space-simple_memory.h> * data is returned.
#else */
#warning "Bus space routines not implemented for this architecture!!" static __inline uint8_t
#warning "Defaulting to simple-memory Bus space routines!!" bus_space_read_1(bus_space_tag_t bst __unused, bus_space_handle_t bsh, bus_size_t ofs)
#include <machine/bus_space-simple_memory.h> {
#endif uint8_t __volatile *bsp = (uint8_t __volatile *)(bsh + ofs);
return (*bsp);
}
static __inline uint16_t
bus_space_read_2(bus_space_tag_t bst __unused, bus_space_handle_t bsh, bus_size_t ofs)
{
uint16_t __volatile *bsp = (uint16_t __volatile *)(bsh + ofs);
return (*bsp);
}
static __inline uint32_t
bus_space_read_4(bus_space_tag_t bst __unused, bus_space_handle_t bsh, bus_size_t ofs)
{
uint32_t __volatile *bsp = (uint32_t __volatile *)(bsh + ofs);
return (*bsp);
}
static __inline uint64_t
bus_space_read_8(bus_space_tag_t bst __unused, bus_space_handle_t bsh, bus_size_t ofs)
{
uint64_t __volatile *bsp = (uint64_t __volatile *)(bsh + ofs);
return (*bsp);
}
/*
* Write 1 unit of data to bus space described by the tag, handle and ofs
* tuple. A unit of data can be 1 byte, 2 bytes, 4 bytes or 8 bytes. The
* data is passed by value.
*/
static __inline void
bus_space_write_1(bus_space_tag_t bst __unused, bus_space_handle_t bsh, bus_size_t ofs,
uint8_t val)
{
uint8_t __volatile *bsp = (uint8_t __volatile *)(bsh + ofs);
*bsp = val;
}
static __inline void
bus_space_write_2(bus_space_tag_t bst __unused, bus_space_handle_t bsh, bus_size_t ofs,
uint16_t val)
{
uint16_t __volatile *bsp = (uint16_t __volatile *)(bsh + ofs);
*bsp = val;
}
static __inline void
bus_space_write_4(bus_space_tag_t bst __unused, bus_space_handle_t bsh, bus_size_t ofs,
uint32_t val)
{
uint32_t __volatile *bsp = (uint32_t __volatile *)(bsh + ofs);
*bsp = val;
}
static __inline void
bus_space_write_8(bus_space_tag_t bst __unused, bus_space_handle_t bsh, bus_size_t ofs,
uint64_t val)
{
uint64_t __volatile *bsp = (uint64_t __volatile *)(bsh + ofs);
*bsp = val;
}
/*
* Read count units of data from bus space described by the tag, handle and
* ofs tuple. A unit of data can be 1 byte, 2 bytes, 4 bytes or 8 bytes. The
* data is returned in the buffer passed by reference.
*/
static __inline void
bus_space_read_multi_1(bus_space_tag_t bst __unused, bus_space_handle_t bsh,
bus_size_t ofs, uint8_t *bufp, bus_size_t count)
{
uint8_t __volatile *bsp = (uint8_t __volatile *)(bsh + ofs);
while (count-- > 0) {
*bufp++ = *bsp;
}
}
static __inline void
bus_space_read_multi_2(bus_space_tag_t bst __unused, bus_space_handle_t bsh,
bus_size_t ofs, uint16_t *bufp, bus_size_t count)
{
uint16_t __volatile *bsp = (uint16_t __volatile *)(bsh + ofs);
while (count-- > 0) {
*bufp++ = *bsp;
}
}
static __inline void
bus_space_read_multi_4(bus_space_tag_t bst __unused, bus_space_handle_t bsh,
bus_size_t ofs, uint32_t *bufp, bus_size_t count)
{
uint32_t __volatile *bsp = (uint32_t __volatile *)(bsh + ofs);
while (count-- > 0) {
*bufp++ = *bsp;
}
}
static __inline void
bus_space_read_multi_8(bus_space_tag_t bst __unused, bus_space_handle_t bsh,
bus_size_t ofs, uint64_t *bufp, bus_size_t count)
{
uint64_t __volatile *bsp = (uint64_t __volatile *)(bsh + ofs);
while (count-- > 0) {
*bufp++ = *bsp;
}
}
/*
* Write count units of data to bus space described by the tag, handle and
* ofs tuple. A unit of data can be 1 byte, 2 bytes, 4 bytes or 8 bytes. The
* data is read from the buffer passed by reference.
*/
static __inline void
bus_space_write_multi_1(bus_space_tag_t bst __unused, bus_space_handle_t bsh,
bus_size_t ofs, const uint8_t *bufp, bus_size_t count)
{
uint8_t __volatile *bsp = (uint8_t __volatile *)(bsh + ofs);
while (count-- > 0) {
*bsp = *bufp++;
}
}
static __inline void
bus_space_write_multi_2(bus_space_tag_t bst __unused, bus_space_handle_t bsh,
bus_size_t ofs, const uint16_t *bufp, bus_size_t count)
{
uint16_t __volatile *bsp = (uint16_t __volatile *)(bsh + ofs);
while (count-- > 0) {
*bsp = *bufp++;
}
}
static __inline void
bus_space_write_multi_4(bus_space_tag_t bst __unused, bus_space_handle_t bsh,
bus_size_t ofs, const uint32_t *bufp, bus_size_t count)
{
uint32_t __volatile *bsp = (uint32_t __volatile *)(bsh + ofs);
while (count-- > 0) {
*bsp = *bufp++;
}
}
static __inline void
bus_space_write_multi_8(bus_space_tag_t bst __unused, bus_space_handle_t bsh,
bus_size_t ofs, const uint64_t *bufp, bus_size_t count)
{
uint64_t __volatile *bsp = (uint64_t __volatile *)(bsh + ofs);
while (count-- > 0) {
*bsp = *bufp++;
}
}
/*
* Read count units of data from bus space described by the tag, handle and
* ofs tuple. A unit of data can be 1 byte, 2 bytes, 4 bytes or 8 bytes. The
* data is written to the buffer passed by reference and read from successive
* bus space addresses. Access is unordered.
*/
static __inline void
bus_space_read_region_1(bus_space_tag_t bst __unused, bus_space_handle_t bsh,
bus_size_t ofs, uint8_t *bufp, bus_size_t count)
{
while (count-- > 0) {
uint8_t __volatile *bsp = (uint8_t __volatile *)(bsh + ofs);
*bufp++ = *bsp;
ofs += 1;
}
}
static __inline void
bus_space_read_region_2(bus_space_tag_t bst __unused, bus_space_handle_t bsh,
bus_size_t ofs, uint16_t *bufp, bus_size_t count)
{
while (count-- > 0) {
uint16_t __volatile *bsp = (uint16_t __volatile *)(bsh + ofs);
*bufp++ = *bsp;
ofs += 2;
}
}
static __inline void
bus_space_read_region_4(bus_space_tag_t bst __unused, bus_space_handle_t bsh,
bus_size_t ofs, uint32_t *bufp, bus_size_t count)
{
while (count-- > 0) {
uint32_t __volatile *bsp = (uint32_t __volatile *)(bsh + ofs);
*bufp++ = *bsp;
ofs += 4;
}
}
static __inline void
bus_space_read_region_8(bus_space_tag_t bst __unused, bus_space_handle_t bsh,
bus_size_t ofs, uint64_t *bufp, bus_size_t count)
{
while (count-- > 0) {
uint64_t __volatile *bsp = (uint64_t __volatile *)(bsh + ofs);
*bufp++ = *bsp;
ofs += 8;
}
}
/*
* Write count units of data from bus space described by the tag, handle and
* ofs tuple. A unit of data can be 1 byte, 2 bytes, 4 bytes or 8 bytes. The
* data is read from the buffer passed by reference and written to successive
* bus space addresses. Access is unordered.
*/
static __inline void
bus_space_write_region_1(bus_space_tag_t bst __unused, bus_space_handle_t bsh,
bus_size_t ofs, const uint8_t *bufp, bus_size_t count)
{
while (count-- > 0) {
uint8_t __volatile *bsp = (uint8_t __volatile *)(bsh + ofs);
*bsp = *bufp++;
ofs += 1;
}
}
static __inline void
bus_space_write_region_2(bus_space_tag_t bst __unused, bus_space_handle_t bsh,
bus_size_t ofs, const uint16_t *bufp, bus_size_t count)
{
while (count-- > 0) {
uint16_t __volatile *bsp = (uint16_t __volatile *)(bsh + ofs);
*bsp = *bufp++;
ofs += 2;
}
}
static __inline void
bus_space_write_region_4(bus_space_tag_t bst __unused, bus_space_handle_t bsh,
bus_size_t ofs, const uint32_t *bufp, bus_size_t count)
{
while (count-- > 0) {
uint32_t __volatile *bsp = (uint32_t __volatile *)(bsh + ofs);
*bsp = *bufp++;
ofs += 4;
}
}
static __inline void
bus_space_write_region_8(bus_space_tag_t bst __unused, bus_space_handle_t bsh,
bus_size_t ofs, const uint64_t *bufp, bus_size_t count)
{
while (count-- > 0) {
uint64_t __volatile *bsp = (uint64_t __volatile *)(bsh + ofs);
*bsp = *bufp++;
ofs += 8;
}
}
/*
* Write count units of data from bus space described by the tag, handle and
* ofs tuple. A unit of data can be 1 byte, 2 bytes, 4 bytes or 8 bytes. The
* data is passed by value. Writes are unordered.
*/
static __inline void
bus_space_set_multi_1(bus_space_tag_t bst __unused, bus_space_handle_t bsh,
bus_size_t ofs, uint8_t val, bus_size_t count)
{
uint8_t __volatile *bsp = (uint8_t __volatile *)(bsh + ofs);
while (count-- > 0) {
*bsp = val;
}
}
static __inline void
bus_space_set_multi_2(bus_space_tag_t bst __unused, bus_space_handle_t bsh,
bus_size_t ofs, uint16_t val, bus_size_t count)
{
uint16_t __volatile *bsp = (uint16_t __volatile *)(bsh + ofs);
while (count-- > 0) {
*bsp = val;
}
}
static __inline void
bus_space_set_multi_4(bus_space_tag_t bst __unused, bus_space_handle_t bsh,
bus_size_t ofs, uint32_t val, bus_size_t count)
{
uint32_t __volatile *bsp = (uint32_t __volatile *)(bsh + ofs);
while (count-- > 0) {
*bsp = val;
}
}
static __inline void
bus_space_set_multi_8(bus_space_tag_t bst __unused, bus_space_handle_t bsh,
bus_size_t ofs, uint64_t val, bus_size_t count)
{
uint64_t __volatile *bsp = (uint64_t __volatile *)(bsh + ofs);
while (count-- > 0) {
*bsp = val;
}
}
/*
* Write count units of data from bus space described by the tag, handle and
* ofs tuple. A unit of data can be 1 byte, 2 bytes, 4 bytes or 8 bytes. The
* data is passed by value and written to successive bus space addresses.
* Writes are unordered.
*/
static __inline void
bus_space_set_region_1(bus_space_tag_t bst __unused, bus_space_handle_t bsh,
bus_size_t ofs, uint8_t val, bus_size_t count)
{
while (count-- > 0) {
uint8_t __volatile *bsp = (uint8_t __volatile *)(bsh + ofs);
*bsp = val;
ofs += 1;
}
}
static __inline void
bus_space_set_region_2(bus_space_tag_t bst __unused, bus_space_handle_t bsh,
bus_size_t ofs, uint16_t val, bus_size_t count)
{
while (count-- > 0) {
uint16_t __volatile *bsp = (uint16_t __volatile *)(bsh + ofs);
*bsp = val;
ofs += 2;
}
}
static __inline void
bus_space_set_region_4(bus_space_tag_t bst __unused, bus_space_handle_t bsh,
bus_size_t ofs, uint32_t val, bus_size_t count)
{
while (count-- > 0) {
uint32_t __volatile *bsp = (uint32_t __volatile *)(bsh + ofs);
*bsp = val;
ofs += 4;
}
}
static __inline void
bus_space_set_region_8(bus_space_tag_t bst __unused, bus_space_handle_t bsh,
bus_size_t ofs, uint64_t val, bus_size_t count)
{
while (count-- > 0) {
uint64_t __volatile *bsp = (uint64_t __volatile *)(bsh + ofs);
*bsp = val;
ofs += 8;
}
}
/*
* Copy count units of data from bus space described by the tag and the first
* handle and ofs pair to bus space described by the tag and the second handle
* and ofs pair. A unit of data can be 1 byte, 2 bytes, 4 bytes or 8 bytes.
* The data is read from successive bus space addresses and also written to
* successive bus space addresses. Both reads and writes are unordered.
*/
static __inline void
bus_space_copy_region_1(bus_space_tag_t bst __unused, bus_space_handle_t bsh1,
bus_size_t ofs1, bus_space_handle_t bsh2, bus_size_t ofs2, bus_size_t count)
{
bus_addr_t dst = bsh1 + ofs1;
bus_addr_t src = bsh2 + ofs2;
uint8_t __volatile *dstp = (uint8_t __volatile *) dst;
uint8_t __volatile *srcp = (uint8_t __volatile *) src;
if (dst > src) {
src += count - 1;
dst += count - 1;
while (count-- > 0) {
*dstp = *srcp;
src -= 1;
dst -= 1;
}
} else {
while (count-- > 0) {
*dstp = *srcp;
src += 1;
dst += 1;
}
}
}
static __inline void
bus_space_copy_region_2(bus_space_tag_t bst __unused, bus_space_handle_t bsh1,
bus_size_t ofs1, bus_space_handle_t bsh2, bus_size_t ofs2, bus_size_t count)
{
bus_addr_t dst = bsh1 + ofs1;
bus_addr_t src = bsh2 + ofs2;
uint16_t __volatile *dstp = (uint16_t __volatile *) dst;
uint16_t __volatile *srcp = (uint16_t __volatile *) src;
if (dst > src) {
src += (count - 1) << 1;
dst += (count - 1) << 1;
while (count-- > 0) {
*dstp = *srcp;
src -= 2;
dst -= 2;
}
} else {
while (count-- > 0) {
*dstp = *srcp;
src += 2;
dst += 2;
}
}
}
static __inline void
bus_space_copy_region_4(bus_space_tag_t bst __unused, bus_space_handle_t bsh1,
bus_size_t ofs1, bus_space_handle_t bsh2, bus_size_t ofs2, bus_size_t count)
{
bus_addr_t dst = bsh1 + ofs1;
bus_addr_t src = bsh2 + ofs2;
uint32_t __volatile *dstp = (uint32_t __volatile *) dst;
uint32_t __volatile *srcp = (uint32_t __volatile *) src;
if (dst > src) {
src += (count - 1) << 2;
dst += (count - 1) << 2;
while (count-- > 0) {
*dstp = *srcp;
src -= 4;
dst -= 4;
}
} else {
while (count-- > 0) {
*dstp = *srcp;
src += 4;
dst += 4;
}
}
}
static __inline void
bus_space_copy_region_8(bus_space_tag_t bst __unused, bus_space_handle_t bsh1,
bus_size_t ofs1, bus_space_handle_t bsh2, bus_size_t ofs2, bus_size_t count)
{
bus_addr_t dst = bsh1 + ofs1;
bus_addr_t src = bsh2 + ofs2;
uint64_t __volatile *dstp = (uint64_t __volatile *) dst;
uint64_t __volatile *srcp = (uint64_t __volatile *) src;
if (dst > src) {
src += (count - 1) << 3;
dst += (count - 1) << 3;
while (count-- > 0) {
*dstp = *srcp;
src -= 8;
dst -= 8;
}
} else {
while (count-- > 0) {
*dstp = *srcp;
src += 8;
dst += 8;
}
}
}
/*
* Stream accesses are the same as normal accesses on RTEMS; 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_stream_8(t, h, o) \
bus_space_read_8(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_read_multi_stream_8(t, h, o, a, c) \
bus_space_read_multi_8(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_stream_8(t, h, o, v) \
bus_space_write_8(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_write_multi_stream_8(t, h, o, a, c) \
bus_space_write_multi_8(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_set_multi_stream_8(t, h, o, v, c) \
bus_space_set_multi_8(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_read_region_stream_8(t, h, o, a, c) \
bus_space_read_region_8(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_write_region_stream_8(t, h, o, a, c) \
bus_space_write_region_8(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_set_region_stream_8(t, h, o, v, c) \
bus_space_set_region_8(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)
#define bus_space_copy_region_stream_8(t, h1, o1, h2, o2, c) \
bus_space_copy_region_8(t, h1, o1, h2, o2, c)
#include <machine/bus_dma.h> #include <machine/bus_dma.h>

684
rtemsbsd/include/machine/bus_space-simple_memory.h
View File

@ -1,684 +0,0 @@
/**
* @file
*
* @ingroup rtems_bsd_machine
*
* @brief TODO.
*
* File origin from FreeBSD 'sys/amd64/include/bus.h'.
*/
/*-
* Copyright (c) 2009, 2010 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Obere Lagerstr. 30
* 82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* 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.
*/
/*-
* Copyright (c) 1996, 1997 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) 1996 Charles M. Hannum. All rights reserved.
* Copyright (c) 1996 Christopher G. Demetriou. 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 Christopher G. Demetriou
* 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 _RTEMS_BSD_MACHINE_BUS_SIMPLE_MEMORY_H_
#define _RTEMS_BSD_MACHINE_BUS_SIMPLE_MEMORY_H_
static __inline void
bus_space_barrier(bus_space_tag_t bst __unused, bus_space_handle_t bsh, bus_size_t ofs,
bus_size_t size, int flags)
{
/* Do nothing */
}
/*
* Read 1 unit of data from bus space described by the tag, handle and ofs
* tuple. A unit of data can be 1 byte, 2 bytes, 4 bytes or 8 bytes. The
* data is returned.
*/
static __inline uint8_t
bus_space_read_1(bus_space_tag_t bst __unused, bus_space_handle_t bsh, bus_size_t ofs)
{
uint8_t __volatile *bsp = (uint8_t __volatile *)(bsh + ofs);
return (*bsp);
}
static __inline uint16_t
bus_space_read_2(bus_space_tag_t bst __unused, bus_space_handle_t bsh, bus_size_t ofs)
{
uint16_t __volatile *bsp = (uint16_t __volatile *)(bsh + ofs);
return (*bsp);
}
static __inline uint32_t
bus_space_read_4(bus_space_tag_t bst __unused, bus_space_handle_t bsh, bus_size_t ofs)
{
uint32_t __volatile *bsp = (uint32_t __volatile *)(bsh + ofs);
return (*bsp);
}
static __inline uint64_t
bus_space_read_8(bus_space_tag_t bst __unused, bus_space_handle_t bsh, bus_size_t ofs)
{
uint64_t __volatile *bsp = (uint64_t __volatile *)(bsh + ofs);
return (*bsp);
}
/*
* Write 1 unit of data to bus space described by the tag, handle and ofs
* tuple. A unit of data can be 1 byte, 2 bytes, 4 bytes or 8 bytes. The
* data is passed by value.
*/
static __inline void
bus_space_write_1(bus_space_tag_t bst __unused, bus_space_handle_t bsh, bus_size_t ofs,
uint8_t val)
{
uint8_t __volatile *bsp = (uint8_t __volatile *)(bsh + ofs);
*bsp = val;
}
static __inline void
bus_space_write_2(bus_space_tag_t bst __unused, bus_space_handle_t bsh, bus_size_t ofs,
uint16_t val)
{
uint16_t __volatile *bsp = (uint16_t __volatile *)(bsh + ofs);
*bsp = val;
}
static __inline void
bus_space_write_4(bus_space_tag_t bst __unused, bus_space_handle_t bsh, bus_size_t ofs,
uint32_t val)
{
uint32_t __volatile *bsp = (uint32_t __volatile *)(bsh + ofs);
*bsp = val;
}
static __inline void
bus_space_write_8(bus_space_tag_t bst __unused, bus_space_handle_t bsh, bus_size_t ofs,
uint64_t val)
{
uint64_t __volatile *bsp = (uint64_t __volatile *)(bsh + ofs);
*bsp = val;
}
/*
* Read count units of data from bus space described by the tag, handle and
* ofs tuple. A unit of data can be 1 byte, 2 bytes, 4 bytes or 8 bytes. The
* data is returned in the buffer passed by reference.
*/
static __inline void
bus_space_read_multi_1(bus_space_tag_t bst __unused, bus_space_handle_t bsh,
bus_size_t ofs, uint8_t *bufp, bus_size_t count)
{
uint8_t __volatile *bsp = (uint8_t __volatile *)(bsh + ofs);
while (count-- > 0) {
*bufp++ = *bsp;
}
}
static __inline void
bus_space_read_multi_2(bus_space_tag_t bst __unused, bus_space_handle_t bsh,
bus_size_t ofs, uint16_t *bufp, bus_size_t count)
{
uint16_t __volatile *bsp = (uint16_t __volatile *)(bsh + ofs);
while (count-- > 0) {
*bufp++ = *bsp;
}
}
static __inline void
bus_space_read_multi_4(bus_space_tag_t bst __unused, bus_space_handle_t bsh,
bus_size_t ofs, uint32_t *bufp, bus_size_t count)
{
uint32_t __volatile *bsp = (uint32_t __volatile *)(bsh + ofs);
while (count-- > 0) {
*bufp++ = *bsp;
}
}
static __inline void
bus_space_read_multi_8(bus_space_tag_t bst __unused, bus_space_handle_t bsh,
bus_size_t ofs, uint64_t *bufp, bus_size_t count)
{
uint64_t __volatile *bsp = (uint64_t __volatile *)(bsh + ofs);
while (count-- > 0) {
*bufp++ = *bsp;
}
}
/*
* Write count units of data to bus space described by the tag, handle and
* ofs tuple. A unit of data can be 1 byte, 2 bytes, 4 bytes or 8 bytes. The
* data is read from the buffer passed by reference.
*/
static __inline void
bus_space_write_multi_1(bus_space_tag_t bst __unused, bus_space_handle_t bsh,
bus_size_t ofs, const uint8_t *bufp, bus_size_t count)
{
uint8_t __volatile *bsp = (uint8_t __volatile *)(bsh + ofs);
while (count-- > 0) {
*bsp = *bufp++;
}
}
static __inline void
bus_space_write_multi_2(bus_space_tag_t bst __unused, bus_space_handle_t bsh,
bus_size_t ofs, const uint16_t *bufp, bus_size_t count)
{
uint16_t __volatile *bsp = (uint16_t __volatile *)(bsh + ofs);
while (count-- > 0) {
*bsp = *bufp++;
}
}
static __inline void
bus_space_write_multi_4(bus_space_tag_t bst __unused, bus_space_handle_t bsh,
bus_size_t ofs, const uint32_t *bufp, bus_size_t count)
{
uint32_t __volatile *bsp = (uint32_t __volatile *)(bsh + ofs);
while (count-- > 0) {
*bsp = *bufp++;
}
}
static __inline void
bus_space_write_multi_8(bus_space_tag_t bst __unused, bus_space_handle_t bsh,
bus_size_t ofs, const uint64_t *bufp, bus_size_t count)
{
uint64_t __volatile *bsp = (uint64_t __volatile *)(bsh + ofs);
while (count-- > 0) {
*bsp = *bufp++;
}
}
/*
* Read count units of data from bus space described by the tag, handle and
* ofs tuple. A unit of data can be 1 byte, 2 bytes, 4 bytes or 8 bytes. The
* data is written to the buffer passed by reference and read from successive
* bus space addresses. Access is unordered.
*/
static __inline void
bus_space_read_region_1(bus_space_tag_t bst __unused, bus_space_handle_t bsh,
bus_size_t ofs, uint8_t *bufp, bus_size_t count)
{
while (count-- > 0) {
uint8_t __volatile *bsp = (uint8_t __volatile *)(bsh + ofs);
*bufp++ = *bsp;
ofs += 1;
}
}
static __inline void
bus_space_read_region_2(bus_space_tag_t bst __unused, bus_space_handle_t bsh,
bus_size_t ofs, uint16_t *bufp, bus_size_t count)
{
while (count-- > 0) {
uint16_t __volatile *bsp = (uint16_t __volatile *)(bsh + ofs);
*bufp++ = *bsp;
ofs += 2;
}
}
static __inline void
bus_space_read_region_4(bus_space_tag_t bst __unused, bus_space_handle_t bsh,
bus_size_t ofs, uint32_t *bufp, bus_size_t count)
{
while (count-- > 0) {
uint32_t __volatile *bsp = (uint32_t __volatile *)(bsh + ofs);
*bufp++ = *bsp;
ofs += 4;
}
}
static __inline void
bus_space_read_region_8(bus_space_tag_t bst __unused, bus_space_handle_t bsh,
bus_size_t ofs, uint64_t *bufp, bus_size_t count)
{
while (count-- > 0) {
uint64_t __volatile *bsp = (uint64_t __volatile *)(bsh + ofs);
*bufp++ = *bsp;
ofs += 8;
}
}
/*
* Write count units of data from bus space described by the tag, handle and
* ofs tuple. A unit of data can be 1 byte, 2 bytes, 4 bytes or 8 bytes. The
* data is read from the buffer passed by reference and written to successive
* bus space addresses. Access is unordered.
*/
static __inline void
bus_space_write_region_1(bus_space_tag_t bst __unused, bus_space_handle_t bsh,
bus_size_t ofs, const uint8_t *bufp, bus_size_t count)
{
while (count-- > 0) {
uint8_t __volatile *bsp = (uint8_t __volatile *)(bsh + ofs);
*bsp = *bufp++;
ofs += 1;
}
}
static __inline void
bus_space_write_region_2(bus_space_tag_t bst __unused, bus_space_handle_t bsh,
bus_size_t ofs, const uint16_t *bufp, bus_size_t count)
{
while (count-- > 0) {
uint16_t __volatile *bsp = (uint16_t __volatile *)(bsh + ofs);
*bsp = *bufp++;
ofs += 2;
}
}
static __inline void
bus_space_write_region_4(bus_space_tag_t bst __unused, bus_space_handle_t bsh,
bus_size_t ofs, const uint32_t *bufp, bus_size_t count)
{
while (count-- > 0) {
uint32_t __volatile *bsp = (uint32_t __volatile *)(bsh + ofs);
*bsp = *bufp++;
ofs += 4;
}
}
static __inline void
bus_space_write_region_8(bus_space_tag_t bst __unused, bus_space_handle_t bsh,
bus_size_t ofs, const uint64_t *bufp, bus_size_t count)
{
while (count-- > 0) {
uint64_t __volatile *bsp = (uint64_t __volatile *)(bsh + ofs);
*bsp = *bufp++;
ofs += 8;
}
}
/*
* Write count units of data from bus space described by the tag, handle and
* ofs tuple. A unit of data can be 1 byte, 2 bytes, 4 bytes or 8 bytes. The
* data is passed by value. Writes are unordered.
*/
static __inline void
bus_space_set_multi_1(bus_space_tag_t bst __unused, bus_space_handle_t bsh,
bus_size_t ofs, uint8_t val, bus_size_t count)
{
uint8_t __volatile *bsp = (uint8_t __volatile *)(bsh + ofs);
while (count-- > 0) {
*bsp = val;
}
}
static __inline void
bus_space_set_multi_2(bus_space_tag_t bst __unused, bus_space_handle_t bsh,
bus_size_t ofs, uint16_t val, bus_size_t count)
{
uint16_t __volatile *bsp = (uint16_t __volatile *)(bsh + ofs);
while (count-- > 0) {
*bsp = val;
}
}
static __inline void
bus_space_set_multi_4(bus_space_tag_t bst __unused, bus_space_handle_t bsh,
bus_size_t ofs, uint32_t val, bus_size_t count)
{
uint32_t __volatile *bsp = (uint32_t __volatile *)(bsh + ofs);
while (count-- > 0) {
*bsp = val;
}
}
static __inline void
bus_space_set_multi_8(bus_space_tag_t bst __unused, bus_space_handle_t bsh,
bus_size_t ofs, uint64_t val, bus_size_t count)
{
uint64_t __volatile *bsp = (uint64_t __volatile *)(bsh + ofs);
while (count-- > 0) {
*bsp = val;
}
}
/*
* Write count units of data from bus space described by the tag, handle and
* ofs tuple. A unit of data can be 1 byte, 2 bytes, 4 bytes or 8 bytes. The
* data is passed by value and written to successive bus space addresses.
* Writes are unordered.
*/
static __inline void
bus_space_set_region_1(bus_space_tag_t bst __unused, bus_space_handle_t bsh,
bus_size_t ofs, uint8_t val, bus_size_t count)
{
while (count-- > 0) {
uint8_t __volatile *bsp = (uint8_t __volatile *)(bsh + ofs);
*bsp = val;
ofs += 1;
}
}
static __inline void
bus_space_set_region_2(bus_space_tag_t bst __unused, bus_space_handle_t bsh,
bus_size_t ofs, uint16_t val, bus_size_t count)
{
while (count-- > 0) {
uint16_t __volatile *bsp = (uint16_t __volatile *)(bsh + ofs);
*bsp = val;
ofs += 2;
}
}
static __inline void
bus_space_set_region_4(bus_space_tag_t bst __unused, bus_space_handle_t bsh,
bus_size_t ofs, uint32_t val, bus_size_t count)
{
while (count-- > 0) {
uint32_t __volatile *bsp = (uint32_t __volatile *)(bsh + ofs);
*bsp = val;
ofs += 4;
}
}
static __inline void
bus_space_set_region_8(bus_space_tag_t bst __unused, bus_space_handle_t bsh,
bus_size_t ofs, uint64_t val, bus_size_t count)
{
while (count-- > 0) {
uint64_t __volatile *bsp = (uint64_t __volatile *)(bsh + ofs);
*bsp = val;
ofs += 8;
}
}
/*
* Copy count units of data from bus space described by the tag and the first
* handle and ofs pair to bus space described by the tag and the second handle
* and ofs pair. A unit of data can be 1 byte, 2 bytes, 4 bytes or 8 bytes.
* The data is read from successive bus space addresses and also written to
* successive bus space addresses. Both reads and writes are unordered.
*/
static __inline void
bus_space_copy_region_1(bus_space_tag_t bst __unused, bus_space_handle_t bsh1,
bus_size_t ofs1, bus_space_handle_t bsh2, bus_size_t ofs2, bus_size_t count)
{
bus_addr_t dst = bsh1 + ofs1;
bus_addr_t src = bsh2 + ofs2;
uint8_t __volatile *dstp = (uint8_t __volatile *) dst;
uint8_t __volatile *srcp = (uint8_t __volatile *) src;
if (dst > src) {
src += count - 1;
dst += count - 1;
while (count-- > 0) {
*dstp = *srcp;
src -= 1;
dst -= 1;
}
} else {
while (count-- > 0) {
*dstp = *srcp;
src += 1;
dst += 1;
}
}
}
static __inline void
bus_space_copy_region_2(bus_space_tag_t bst __unused, bus_space_handle_t bsh1,
bus_size_t ofs1, bus_space_handle_t bsh2, bus_size_t ofs2, bus_size_t count)
{
bus_addr_t dst = bsh1 + ofs1;
bus_addr_t src = bsh2 + ofs2;
uint16_t __volatile *dstp = (uint16_t __volatile *) dst;
uint16_t __volatile *srcp = (uint16_t __volatile *) src;
if (dst > src) {
src += (count - 1) << 1;
dst += (count - 1) << 1;
while (count-- > 0) {
*dstp = *srcp;
src -= 2;
dst -= 2;
}
} else {
while (count-- > 0) {
*dstp = *srcp;
src += 2;
dst += 2;
}
}
}
static __inline void
bus_space_copy_region_4(bus_space_tag_t bst __unused, bus_space_handle_t bsh1,
bus_size_t ofs1, bus_space_handle_t bsh2, bus_size_t ofs2, bus_size_t count)
{
bus_addr_t dst = bsh1 + ofs1;
bus_addr_t src = bsh2 + ofs2;
uint32_t __volatile *dstp = (uint32_t __volatile *) dst;
uint32_t __volatile *srcp = (uint32_t __volatile *) src;
if (dst > src) {
src += (count - 1) << 2;
dst += (count - 1) << 2;
while (count-- > 0) {
*dstp = *srcp;
src -= 4;
dst -= 4;
}
} else {
while (count-- > 0) {
*dstp = *srcp;
src += 4;
dst += 4;
}
}
}
static __inline void
bus_space_copy_region_8(bus_space_tag_t bst __unused, bus_space_handle_t bsh1,
bus_size_t ofs1, bus_space_handle_t bsh2, bus_size_t ofs2, bus_size_t count)
{
bus_addr_t dst = bsh1 + ofs1;
bus_addr_t src = bsh2 + ofs2;
uint64_t __volatile *dstp = (uint64_t __volatile *) dst;
uint64_t __volatile *srcp = (uint64_t __volatile *) src;
if (dst > src) {
src += (count - 1) << 3;
dst += (count - 1) << 3;
while (count-- > 0) {
*dstp = *srcp;
src -= 8;
dst -= 8;
}
} else {
while (count-- > 0) {
*dstp = *srcp;
src += 8;
dst += 8;
}
}
}
/*
* Stream accesses are the same as normal accesses on RTEMS; 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_stream_8(t, h, o) \
bus_space_read_8(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_read_multi_stream_8(t, h, o, a, c) \
bus_space_read_multi_8(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_stream_8(t, h, o, v) \
bus_space_write_8(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_write_multi_stream_8(t, h, o, a, c) \
bus_space_write_multi_8(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_set_multi_stream_8(t, h, o, v, c) \
bus_space_set_multi_8(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_read_region_stream_8(t, h, o, a, c) \
bus_space_read_region_8(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_write_region_stream_8(t, h, o, a, c) \
bus_space_write_region_8(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_set_region_stream_8(t, h, o, v, c) \
bus_space_set_region_8(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)
#define bus_space_copy_region_stream_8(t, h1, o1, h2, o2, c) \
bus_space_copy_region_8(t, h1, o1, h2, o2, c)
#endif /* _RTEMS_BSD_MACHINE_BUS_SIMPLE_MEMORY_H_ */