From b168f6972d11a4789e5183caa4641109a684688c Mon Sep 17 00:00:00 2001 From: Sebastian Huber Date: Tue, 29 Sep 2015 11:00:58 +0200 Subject: BUS_SPACE(9): Use FreeBSD files for i386 arch --- freebsd/sys/i386/include/machine/_bus.h | 50 + freebsd/sys/x86/include/machine/bus.h | 1091 +++++++++++++++++++ libbsd.py | 2 + rtemsbsd/include/machine/bus.h | 578 ++++++++++- rtemsbsd/include/machine/bus_space-i386.h | 1092 -------------------- rtemsbsd/include/machine/bus_space-simple_memory.h | 684 ------------ 6 files changed, 1710 insertions(+), 1787 deletions(-) create mode 100644 freebsd/sys/i386/include/machine/_bus.h create mode 100644 freebsd/sys/x86/include/machine/bus.h delete mode 100644 rtemsbsd/include/machine/bus_space-i386.h delete mode 100644 rtemsbsd/include/machine/bus_space-simple_memory.h diff --git a/freebsd/sys/i386/include/machine/_bus.h b/freebsd/sys/i386/include/machine/_bus.h new file mode 100644 index 00000000..49bdd5a3 --- /dev/null +++ b/freebsd/sys/i386/include/machine/_bus.h @@ -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 */ diff --git a/freebsd/sys/x86/include/machine/bus.h b/freebsd/sys/x86/include/machine/bus.h new file mode 100644 index 00000000..58e98769 --- /dev/null +++ b/freebsd/sys/x86/include/machine/bus.h @@ -0,0 +1,1091 @@ +/*- + * 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. + * + * $FreeBSD$ + */ + +/* $NetBSD: bus.h,v 1.12 1997/10/01 08:25:15 fvdl Exp $ */ + +/*- + * 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. + * + * 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 _X86_BUS_H_ +#define _X86_BUS_H_ + +#include +#include + +#ifndef __GNUCLIKE_ASM +# ifndef lint +# error "no assembler code for your compiler" +# 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 + * described by tag/handle/offset. + */ +static __inline u_int8_t bus_space_read_1(bus_space_tag_t tag, + bus_space_handle_t handle, + bus_size_t offset); + +static __inline u_int16_t bus_space_read_2(bus_space_tag_t tag, + bus_space_handle_t handle, + bus_size_t offset); + +static __inline u_int32_t bus_space_read_4(bus_space_tag_t tag, + bus_space_handle_t handle, + bus_size_t offset); + +static __inline u_int8_t +bus_space_read_1(bus_space_tag_t tag, bus_space_handle_t handle, + bus_size_t offset) +{ + + if (tag == X86_BUS_SPACE_IO) + return (inb(handle + offset)); + return (*(volatile u_int8_t *)(handle + offset)); +} + +static __inline u_int16_t +bus_space_read_2(bus_space_tag_t tag, bus_space_handle_t handle, + bus_size_t offset) +{ + + if (tag == X86_BUS_SPACE_IO) + return (inw(handle + offset)); + return (*(volatile u_int16_t *)(handle + offset)); +} + +static __inline u_int32_t +bus_space_read_4(bus_space_tag_t tag, bus_space_handle_t handle, + bus_size_t offset) +{ + + if (tag == X86_BUS_SPACE_IO) + return (inl(handle + offset)); + return (*(volatile u_int32_t *)(handle + offset)); +} + +#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 + +/* + * Read `count' 1, 2, 4, or 8 byte quantities from bus space + * described by tag/handle/offset and copy into buffer provided. + */ +static __inline void 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); + +static __inline void 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); + +static __inline void 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); + +static __inline void +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) +{ + + if (tag == X86_BUS_SPACE_IO) + insb(bsh + offset, addr, count); + else { +#ifdef __GNUCLIKE_ASM + __asm __volatile(" \n\ + cld \n\ + 1: movb (%2),%%al \n\ + stosb \n\ + loop 1b" : + "=D" (addr), "=c" (count) : + "r" (bsh + offset), "0" (addr), "1" (count) : + "%eax", "memory"); +#endif + } +} + +static __inline void +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) +{ + + if (tag == X86_BUS_SPACE_IO) + insw(bsh + offset, addr, count); + else { +#ifdef __GNUCLIKE_ASM + __asm __volatile(" \n\ + cld \n\ + 1: movw (%2),%%ax \n\ + stosw \n\ + loop 1b" : + "=D" (addr), "=c" (count) : + "r" (bsh + offset), "0" (addr), "1" (count) : + "%eax", "memory"); +#endif + } +} + +static __inline void +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) +{ + + if (tag == X86_BUS_SPACE_IO) + insl(bsh + offset, addr, count); + else { +#ifdef __GNUCLIKE_ASM + __asm __volatile(" \n\ + cld \n\ + 1: movl (%2),%%eax \n\ + stosl \n\ + loop 1b" : + "=D" (addr), "=c" (count) : + "r" (bsh + offset), "0" (addr), "1" (count) : + "%eax", "memory"); +#endif + } +} + +#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 + +/* + * 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. + */ +static __inline void 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); + +static __inline void 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); + +static __inline void 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); + + +static __inline void +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) +{ + + if (tag == X86_BUS_SPACE_IO) { + int _port_ = bsh + offset; +#ifdef __GNUCLIKE_ASM + __asm __volatile(" \n\ + cld \n\ + 1: inb %w2,%%al \n\ + stosb \n\ + incl %2 \n\ + loop 1b" : + "=D" (addr), "=c" (count), "=d" (_port_) : + "0" (addr), "1" (count), "2" (_port_) : + "%eax", "memory", "cc"); +#endif + } else { + bus_space_handle_t _port_ = bsh + offset; +#ifdef __GNUCLIKE_ASM + __asm __volatile(" \n\ + cld \n\ + repne \n\ + movsb" : + "=D" (addr), "=c" (count), "=S" (_port_) : + "0" (addr), "1" (count), "2" (_port_) : + "memory", "cc"); +#endif + } +} + +static __inline void +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) +{ + + if (tag == X86_BUS_SPACE_IO) { + int _port_ = bsh + offset; +#ifdef __GNUCLIKE_ASM + __asm __volatile(" \n\ + cld \n\ + 1: inw %w2,%%ax \n\ + stosw \n\ + addl $2,%2 \n\ + loop 1b" : + "=D" (addr), "=c" (count), "=d" (_port_) : + "0" (addr), "1" (count), "2" (_port_) : + "%eax", "memory", "cc"); +#endif + } else { + bus_space_handle_t _port_ = bsh + offset; +#ifdef __GNUCLIKE_ASM + __asm __volatile(" \n\ + cld \n\ + repne \n\ + movsw" : + "=D" (addr), "=c" (count), "=S" (_port_) : + "0" (addr), "1" (count), "2" (_port_) : + "memory", "cc"); +#endif + } +} + +static __inline void +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) +{ + + if (tag == X86_BUS_SPACE_IO) { + int _port_ = bsh + offset; +#ifdef __GNUCLIKE_ASM + __asm __volatile(" \n\ + cld \n\ + 1: inl %w2,%%eax \n\ + stosl \n\ + addl $4,%2 \n\ + loop 1b" : + "=D" (addr), "=c" (count), "=d" (_port_) : + "0" (addr), "1" (count), "2" (_port_) : + "%eax", "memory", "cc"); +#endif + } else { + bus_space_handle_t _port_ = bsh + offset; +#ifdef __GNUCLIKE_ASM + __asm __volatile(" \n\ + cld \n\ + repne \n\ + movsl" : + "=D" (addr), "=c" (count), "=S" (_port_) : + "0" (addr), "1" (count), "2" (_port_) : + "memory", "cc"); +#endif + } +} + +#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 + +/* + * Write the 1, 2, 4, or 8 byte value `value' to bus space + * described by tag/handle/offset. + */ + +static __inline void bus_space_write_1(bus_space_tag_t tag, + bus_space_handle_t bsh, + bus_size_t offset, u_int8_t value); + +static __inline void bus_space_write_2(bus_space_tag_t tag, + bus_space_handle_t bsh, + bus_size_t offset, u_int16_t value); + +static __inline void bus_space_write_4(bus_space_tag_t tag, + bus_space_handle_t bsh, + bus_size_t offset, u_int32_t value); + +static __inline void +bus_space_write_1(bus_space_tag_t tag, bus_space_handle_t bsh, + bus_size_t offset, u_int8_t value) +{ + + if (tag == X86_BUS_SPACE_IO) + outb(bsh + offset, value); + else + *(volatile u_int8_t *)(bsh + offset) = value; +} + +static __inline void +bus_space_write_2(bus_space_tag_t tag, bus_space_handle_t bsh, + bus_size_t offset, u_int16_t value) +{ + + if (tag == X86_BUS_SPACE_IO) + outw(bsh + offset, value); + else + *(volatile u_int16_t *)(bsh + offset) = value; +} + +static __inline void +bus_space_write_4(bus_space_tag_t tag, bus_space_handle_t bsh, + bus_size_t offset, u_int32_t value) +{ + + if (tag == X86_BUS_SPACE_IO) + outl(bsh + offset, value); + else + *(volatile u_int32_t *)(bsh + offset) = value; +} + +#if 0 /* Cause a link error for bus_space_write_8 */ +#define bus_space_write_8 !!! bus_space_write_8 not implemented !!! +#endif + +/* + * Write `count' 1, 2, 4, or 8 byte quantities from the buffer + * provided to bus space described by tag/handle/offset. + */ + +static __inline void 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); +static __inline void 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); + +static __inline void 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); + +static __inline void +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) +{ + + if (tag == X86_BUS_SPACE_IO) + outsb(bsh + offset, addr, count); + else { +#ifdef __GNUCLIKE_ASM + __asm __volatile(" \n\ + cld \n\ + 1: lodsb \n\ + movb %%al,(%2) \n\ + loop 1b" : + "=S" (addr), "=c" (count) : + "r" (bsh + offset), "0" (addr), "1" (count) : + "%eax", "memory", "cc"); +#endif + } +} + +static __inline void +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) +{ + + if (tag == X86_BUS_SPACE_IO) + outsw(bsh + offset, addr, count); + else { +#ifdef __GNUCLIKE_ASM + __asm __volatile(" \n\ + cld \n\ + 1: lodsw \n\ + movw %%ax,(%2) \n\ + loop 1b" : + "=S" (addr), "=c" (count) : + "r" (bsh + offset), "0" (addr), "1" (count) : + "%eax", "memory", "cc"); +#endif + } +} + +static __inline void +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) +{ + + if (tag == X86_BUS_SPACE_IO) + outsl(bsh + offset, addr, count); + else { +#ifdef __GNUCLIKE_ASM + __asm __volatile(" \n\ + cld \n\ + 1: lodsl \n\ + movl %%eax,(%2) \n\ + loop 1b" : + "=S" (addr), "=c" (count) : + "r" (bsh + offset), "0" (addr), "1" (count) : + "%eax", "memory", "cc"); +#endif + } +} + +#if 0 /* Cause a link error for bus_space_write_multi_8 */ +#define bus_space_write_multi_8(t, h, o, a, c) \ + !!! bus_space_write_multi_8 unimplemented !!! +#endif + +/* + * Write `count' 1, 2, 4, or 8 byte quantities from the buffer provided + * to bus space described by tag/handle starting at `offset'. + */ + +static __inline void 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); +static __inline void 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); +static __inline void 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); + +static __inline void +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) +{ + + if (tag == X86_BUS_SPACE_IO) { + int _port_ = bsh + offset; +#ifdef __GNUCLIKE_ASM + __asm __volatile(" \n\ + cld \n\ + 1: lodsb \n\ + outb %%al,%w0 \n\ + incl %0 \n\ + loop 1b" : + "=d" (_port_), "=S" (addr), "=c" (count) : + "0" (_port_), "1" (addr), "2" (count) : + "%eax", "memory", "cc"); +#endif + } else { + bus_space_handle_t _port_ = bsh + offset; +#ifdef __GNUCLIKE_ASM + __asm __volatile(" \n\ + cld \n\ + repne \n\ + movsb" : + "=D" (_port_), "=S" (addr), "=c" (count) : + "0" (_port_), "1" (addr), "2" (count) : + "memory", "cc"); +#endif + } +} + +static __inline void +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) +{ + + if (tag == X86_BUS_SPACE_IO) { + int _port_ = bsh + offset; +#ifdef __GNUCLIKE_ASM + __asm __volatile(" \n\ + cld \n\ + 1: lodsw \n\ + outw %%ax,%w0 \n\ + addl $2,%0 \n\ + loop 1b" : + "=d" (_port_), "=S" (addr), "=c" (count) : + "0" (_port_), "1" (addr), "2" (count) : + "%eax", "memory", "cc"); +#endif + } else { + bus_space_handle_t _port_ = bsh + offset; +#ifdef __GNUCLIKE_ASM + __asm __volatile(" \n\ + cld \n\ + repne \n\ + movsw" : + "=D" (_port_), "=S" (addr), "=c" (count) : + "0" (_port_), "1" (addr), "2" (count) : + "memory", "cc"); +#endif + } +} + +static __inline void +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) +{ + + if (tag == X86_BUS_SPACE_IO) { + int _port_ = bsh + offset; +#ifdef __GNUCLIKE_ASM + __asm __volatile(" \n\ + cld \n\ + 1: lodsl \n\ + outl %%eax,%w0 \n\ + addl $4,%0 \n\ + loop 1b" : + "=d" (_port_), "=S" (addr), "=c" (count) : + "0" (_port_), "1" (addr), "2" (count) : + "%eax", "memory", "cc"); +#endif + } else { + bus_space_handle_t _port_ = bsh + offset; +#ifdef __GNUCLIKE_ASM + __asm __volatile(" \n\ + cld \n\ + repne \n\ + movsl" : + "=D" (_port_), "=S" (addr), "=c" (count) : + "0" (_port_), "1" (addr), "2" (count) : + "memory", "cc"); +#endif + } +} + +#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 + +/* + * Write the 1, 2, 4, or 8 byte value `val' to bus space described + * by tag/handle/offset `count' times. + */ + +static __inline void bus_space_set_multi_1(bus_space_tag_t tag, + bus_space_handle_t bsh, + bus_size_t offset, + u_int8_t value, size_t count); +static __inline void bus_space_set_multi_2(bus_space_tag_t tag, + bus_space_handle_t bsh, + bus_size_t offset, + u_int16_t value, size_t count); +static __inline void bus_space_set_multi_4(bus_space_tag_t tag, + bus_space_handle_t bsh, + bus_size_t offset, + u_int32_t value, size_t count); + +static __inline void +bus_space_set_multi_1(bus_space_tag_t tag, bus_space_handle_t bsh, + bus_size_t offset, u_int8_t value, size_t count) +{ + bus_space_handle_t addr = bsh + offset; + + if (tag == X86_BUS_SPACE_IO) + while (count--) + outb(addr, value); + else + while (count--) + *(volatile u_int8_t *)(addr) = value; +} + +static __inline void +bus_space_set_multi_2(bus_space_tag_t tag, bus_space_handle_t bsh, + bus_size_t offset, u_int16_t value, size_t count) +{ + bus_space_handle_t addr = bsh + offset; + + if (tag == X86_BUS_SPACE_IO) + while (count--) + outw(addr, value); + else + while (count--) + *(volatile u_int16_t *)(addr) = value; +} + +static __inline void +bus_space_set_multi_4(bus_space_tag_t tag, bus_space_handle_t bsh, + bus_size_t offset, u_int32_t value, size_t count) +{ + bus_space_handle_t addr = bsh + offset; + + if (tag == X86_BUS_SPACE_IO) + while (count--) + outl(addr, value); + else + while (count--) + *(volatile u_int32_t *)(addr) = value; +} + +#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 + +/* + * Write `count' 1, 2, 4, or 8 byte value `val' to bus space described + * by tag/handle starting at `offset'. + */ + +static __inline void bus_space_set_region_1(bus_space_tag_t tag, + bus_space_handle_t bsh, + bus_size_t offset, u_int8_t value, + size_t count); +static __inline void bus_space_set_region_2(bus_space_tag_t tag, + bus_space_handle_t bsh, + bus_size_t offset, u_int16_t value, + size_t count); +static __inline void bus_space_set_region_4(bus_space_tag_t tag, + bus_space_handle_t bsh, + bus_size_t offset, u_int32_t value, + size_t count); + +static __inline void +bus_space_set_region_1(bus_space_tag_t tag, bus_space_handle_t bsh, + bus_size_t offset, u_int8_t value, size_t count) +{ + bus_space_handle_t addr = bsh + offset; + + if (tag == X86_BUS_SPACE_IO) + for (; count != 0; count--, addr++) + outb(addr, value); + else + for (; count != 0; count--, addr++) + *(volatile u_int8_t *)(addr) = value; +} + +static __inline void +bus_space_set_region_2(bus_space_tag_t tag, bus_space_handle_t bsh, + bus_size_t offset, u_int16_t value, size_t count) +{ + bus_space_handle_t addr = bsh + offset; + + if (tag == X86_BUS_SPACE_IO) + for (; count != 0; count--, addr += 2) + outw(addr, value); + else + for (; count != 0; count--, addr += 2) + *(volatile u_int16_t *)(addr) = value; +} + +static __inline void +bus_space_set_region_4(bus_space_tag_t tag, bus_space_handle_t bsh, + bus_size_t offset, u_int32_t value, size_t count) +{ + bus_space_handle_t addr = bsh + offset; + + if (tag == X86_BUS_SPACE_IO) + for (; count != 0; count--, addr += 4) + outl(addr, value); + else + for (; count != 0; count--, addr += 4) + *(volatile u_int32_t *)(addr) = value; +} + +#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 + +/* + * 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. + */ + +static __inline void bus_space_copy_region_1(bus_space_tag_t tag, + bus_space_handle_t bsh1, + bus_size_t off1, + bus_space_handle_t bsh2, + bus_size_t off2, size_t count); + +static __inline void bus_space_copy_region_2(bus_space_tag_t tag, + bus_space_handle_t bsh1, + bus_size_t off1, + bus_space_handle_t bsh2, + bus_size_t off2, size_t count); + +static __inline void bus_space_copy_region_4(bus_space_tag_t tag, + bus_space_handle_t bsh1, + bus_size_t off1, + bus_space_handle_t bsh2, + bus_size_t off2, size_t count); + +static __inline void +bus_space_copy_region_1(bus_space_tag_t tag, bus_space_handle_t bsh1, + bus_size_t off1, bus_space_handle_t bsh2, + bus_size_t off2, size_t count) +{ + bus_space_handle_t addr1 = bsh1 + off1; + bus_space_handle_t addr2 = bsh2 + off2; + + if (tag == X86_BUS_SPACE_IO) { + if (addr1 >= addr2) { + /* src after dest: copy forward */ + for (; count != 0; count--, addr1++, addr2++) + outb(addr2, inb(addr1)); + } else { + /* dest after src: copy backwards */ + for (addr1 += (count - 1), addr2 += (count - 1); + count != 0; count--, addr1--, addr2--) + outb(addr2, inb(addr1)); + } + } else { + if (addr1 >= addr2) { + /* src after dest: copy forward */ + for (; count != 0; count--, addr1++, addr2++) + *(volatile u_int8_t *)(addr2) = + *(volatile u_int8_t *)(addr1); + } else { + /* dest after src: copy backwards */ + for (addr1 += (count - 1), addr2 += (count - 1); + count != 0; count--, addr1--, addr2--) + *(volatile u_int8_t *)(addr2) = + *(volatile u_int8_t *)(addr1); + } + } +} + +static __inline void +bus_space_copy_region_2(bus_space_tag_t tag, bus_space_handle_t bsh1, + bus_size_t off1, bus_space_handle_t bsh2, + bus_size_t off2, size_t count) +{ + bus_space_handle_t addr1 = bsh1 + off1; + bus_space_handle_t addr2 = bsh2 + off2; + + if (tag == X86_BUS_SPACE_IO) { + if (addr1 >= addr2) { + /* src after dest: copy forward */ + for (; count != 0; count--, addr1 += 2, addr2 += 2) + outw(addr2, inw(addr1)); + } else { + /* dest after src: copy backwards */ + for (addr1 += 2 * (count - 1), addr2 += 2 * (count - 1); + count != 0; count--, addr1 -= 2, addr2 -= 2) + outw(addr2, inw(addr1)); + } + } else { + if (addr1 >= addr2) { + /* src after dest: copy forward */ + for (; count != 0; count--, addr1 += 2, addr2 += 2) + *(volatile u_int16_t *)(addr2) = + *(volatile u_int16_t *)(addr1); + } else { + /* dest after src: copy backwards */ + for (addr1 += 2 * (count - 1), addr2 += 2 * (count - 1); + count != 0; count--, addr1 -= 2, addr2 -= 2) + *(volatile u_int16_t *)(addr2) = + *(volatile u_int16_t *)(addr1); + } + } +} + +static __inline void +bus_space_copy_region_4(bus_space_tag_t tag, bus_space_handle_t bsh1, + bus_size_t off1, bus_space_handle_t bsh2, + bus_size_t off2, size_t count) +{ + bus_space_handle_t addr1 = bsh1 + off1; + bus_space_handle_t addr2 = bsh2 + off2; + + if (tag == X86_BUS_SPACE_IO) { + if (addr1 >= addr2) { + /* src after dest: copy forward */ + for (; count != 0; count--, addr1 += 4, addr2 += 4) + outl(addr2, inl(addr1)); + } else { + /* dest after src: copy backwards */ + for (addr1 += 4 * (count - 1), addr2 += 4 * (count - 1); + count != 0; count--, addr1 -= 4, addr2 -= 4) + outl(addr2, inl(addr1)); + } + } else { + if (addr1 >= addr2) { + /* src after dest: copy forward */ + for (; count != 0; count--, addr1 += 4, addr2 += 4) + *(volatile u_int32_t *)(addr2) = + *(volatile u_int32_t *)(addr1); + } else { + /* dest after src: copy backwards */ + for (addr1 += 4 * (count - 1), addr2 += 4 * (count - 1); + count != 0; count--, addr1 -= 4, addr2 -= 4) + *(volatile u_int32_t *)(addr2) = + *(volatile u_int32_t *)(addr1); + } + } +} + +#if 0 /* Cause a link error for bus_space_copy_8 */ +#define bus_space_copy_region_8 !!! bus_space_copy_region_8 unimplemented !!! +#endif + +/* + * 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 __unused, bus_space_handle_t bsh __unused, + bus_size_t offset __unused, bus_size_t len __unused, int flags) +{ +#ifdef __GNUCLIKE_ASM + if (flags & BUS_SPACE_BARRIER_READ) +#ifdef __amd64__ + __asm __volatile("lock; addl $0,0(%%rsp)" : : : "memory"); +#else + __asm __volatile("lock; addl $0,0(%%esp)" : : : "memory"); +#endif + else + __compiler_membar(); +#endif +} + +#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 + +/* + * Stream accesses are the same as normal accesses on x86; 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 /* _X86_BUS_H_ */ diff --git a/libbsd.py b/libbsd.py index 58601419..97443621 100755 --- a/libbsd.py +++ b/libbsd.py @@ -1732,7 +1732,9 @@ def pci(mm): ) mod.addCPUDependentHeaderFiles( [ + 'sys/i386/include/_bus.h', 'sys/i386/include/legacyvar.h', + 'sys/x86/include/bus.h', 'sys/x86/include/pci_cfgreg.h', ] ) diff --git a/rtemsbsd/include/machine/bus.h b/rtemsbsd/include/machine/bus.h index 1e6428ae..49fb4fe2 100644 --- a/rtemsbsd/include/machine/bus.h +++ b/rtemsbsd/include/machine/bus.h @@ -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 - * Obere Lagerstr. 30 + * Dornierstr. 4 * 82178 Puchheim * Germany * @@ -122,6 +122,10 @@ #error "the header file must be included first" #endif +#ifdef __i386__ + #error "your include paths are wrong" +#endif + /* * 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 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 */ +} + +/* + * 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); +} -#if defined(__i386__) - #include -#elif defined(__PPC__) || defined(__arm__) || defined(__m68k__) - #include -#else - #warning "Bus space routines not implemented for this architecture!!" - #warning "Defaulting to simple-memory Bus space routines!!" - #include -#endif +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 diff --git a/rtemsbsd/include/machine/bus_space-i386.h b/rtemsbsd/include/machine/bus_space-i386.h deleted file mode 100644 index 67868001..00000000 --- a/rtemsbsd/include/machine/bus_space-i386.h +++ /dev/null @@ -1,1092 +0,0 @@ -/** - * @file - * - * @ingroup rtems_bsd_machine - * - * @brief TODO. - * - * File origin from FreeBSD 'sys/i386/include/bus.h'. - */ - -/*- - * 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. - * - * $FreeBSD$ - */ - -/* $NetBSD: bus.h,v 1.12 1997/10/01 08:25:15 fvdl Exp $ */ - -/*- - * 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_I386_H_ -#define _RTEMS_BSD_MACHINE_BUS_I386_H_ - -#include -#include -#include - -#if 0 -#define I386_BUS_SPACE_IO SYS_RES_IOPORT -#else -#define I386_BUS_SPACE_IO 0 /* space is i/o space */ -#define I386_BUS_SPACE_MEM 1 /* space is mem space */ -#endif - -/* - * Read a 1, 2, 4, or 8 byte quantity from bus space - * described by tag/handle/offset. - */ -static __inline u_int8_t bus_space_read_1(bus_space_tag_t tag, - bus_space_handle_t handle, - bus_size_t offset); - -static __inline u_int16_t bus_space_read_2(bus_space_tag_t tag, - bus_space_handle_t handle, - bus_size_t offset); - -static __inline u_int32_t bus_space_read_4(bus_space_tag_t tag, - bus_space_handle_t handle, - bus_size_t offset); - -static __inline u_int8_t -bus_space_read_1(bus_space_tag_t tag, bus_space_handle_t handle, - bus_size_t offset) -{ - - if (tag == I386_BUS_SPACE_IO) - return (inb(handle + offset)); - return (*(volatile u_int8_t *)(handle + offset)); -} - -static __inline u_int16_t -bus_space_read_2(bus_space_tag_t tag, bus_space_handle_t handle, - bus_size_t offset) -{ - - if (tag == I386_BUS_SPACE_IO) - return (inw(handle + offset)); - return (*(volatile u_int16_t *)(handle + offset)); -} - -static __inline u_int32_t -bus_space_read_4(bus_space_tag_t tag, bus_space_handle_t handle, - bus_size_t offset) -{ - - if (tag == I386_BUS_SPACE_IO) - return (inl(handle + offset)); - return (*(volatile u_int32_t *)(handle + offset)); -} - -#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 - -/* - * Read `count' 1, 2, 4, or 8 byte quantities from bus space - * described by tag/handle/offset and copy into buffer provided. - */ -static __inline void 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); - -static __inline void 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); - -static __inline void 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); - -static __inline void -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) -{ - - if (tag == I386_BUS_SPACE_IO) - insb(bsh + offset, addr, count); - else { -#ifdef __GNUCLIKE_ASM - __asm __volatile(" \n\ - cld \n\ - 1: movb (%2),%%al \n\ - stosb \n\ - loop 1b" : - "=D" (addr), "=c" (count) : - "r" (bsh + offset), "0" (addr), "1" (count) : - "%eax", "memory"); -#else -# ifndef lint -# error "no assembler code for your compiler" -# endif -#endif - } -} - -static __inline void -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) -{ - - if (tag == I386_BUS_SPACE_IO) - insw(bsh + offset, addr, count); - else { -#ifdef __GNUCLIKE_ASM - __asm __volatile(" \n\ - cld \n\ - 1: movw (%2),%%ax \n\ - stosw \n\ - loop 1b" : - "=D" (addr), "=c" (count) : - "r" (bsh + offset), "0" (addr), "1" (count) : - "%eax", "memory"); -#else -# ifndef lint -# error "no assembler code for your compiler" -# endif -#endif - } -} - -static __inline void -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) -{ - - if (tag == I386_BUS_SPACE_IO) - insl(bsh + offset, addr, count); - else { -#ifdef __GNUCLIKE_ASM - __asm __volatile(" \n\ - cld \n\ - 1: movl (%2),%%eax \n\ - stosl \n\ - loop 1b" : - "=D" (addr), "=c" (count) : - "r" (bsh + offset), "0" (addr), "1" (count) : - "%eax", "memory"); -#else -# ifndef lint -# error "no assembler code for your compiler" -# endif -#endif - } -} - -#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 - -/* - * 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. - */ -static __inline void 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); - -static __inline void 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); - -static __inline void 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); - - -static __inline void -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) -{ - - if (tag == I386_BUS_SPACE_IO) { - int _port_ = bsh + offset; -#ifdef __GNUCLIKE_ASM - __asm __volatile(" \n\ - cld \n\ - 1: inb %w2,%%al \n\ - stosb \n\ - incl %2 \n\ - loop 1b" : - "=D" (addr), "=c" (count), "=d" (_port_) : - "0" (addr), "1" (count), "2" (_port_) : - "%eax", "memory", "cc"); -#else -# ifndef lint -# error "no assembler code for your compiler" -# endif -#endif - } else { - int _port_ = bsh + offset; -#ifdef __GNUCLIKE_ASM - __asm __volatile(" \n\ - cld \n\ - repne \n\ - movsb" : - "=D" (addr), "=c" (count), "=S" (_port_) : - "0" (addr), "1" (count), "2" (_port_) : - "memory", "cc"); -#else -# ifndef lint -# error "no assembler code for your compiler" -# endif -#endif - } -} - -static __inline void -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) -{ - - if (tag == I386_BUS_SPACE_IO) { - int _port_ = bsh + offset; -#ifdef __GNUCLIKE_ASM - __asm __volatile(" \n\ - cld \n\ - 1: inw %w2,%%ax \n\ - stosw \n\ - addl $2,%2 \n\ - loop 1b" : - "=D" (addr), "=c" (count), "=d" (_port_) : - "0" (addr), "1" (count), "2" (_port_) : - "%eax", "memory", "cc"); -#else -# ifndef lint -# error "no assembler code for your compiler" -# endif -#endif - } else { - int _port_ = bsh + offset; -#ifdef __GNUCLIKE_ASM - __asm __volatile(" \n\ - cld \n\ - repne \n\ - movsw" : - "=D" (addr), "=c" (count), "=S" (_port_) : - "0" (addr), "1" (count), "2" (_port_) : - "memory", "cc"); -#else -# ifndef lint -# error "no assembler code for your compiler" -# endif -#endif - } -} - -static __inline void -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) -{ - - if (tag == I386_BUS_SPACE_IO) { - int _port_ = bsh + offset; -#ifdef __GNUCLIKE_ASM - __asm __volatile(" \n\ - cld \n\ - 1: inl %w2,%%eax \n\ - stosl \n\ - addl $4,%2 \n\ - loop 1b" : - "=D" (addr), "=c" (count), "=d" (_port_) : - "0" (addr), "1" (count), "2" (_port_) : - "%eax", "memory", "cc"); -#else -# ifndef lint -# error "no assembler code for your compiler" -# endif -#endif - } else { - int _port_ = bsh + offset; -#ifdef __GNUCLIKE_ASM - __asm __volatile(" \n\ - cld \n\ - repne \n\ - movsl" : - "=D" (addr), "=c" (count), "=S" (_port_) : - "0" (addr), "1" (count), "2" (_port_) : - "memory", "cc"); -#else -# ifndef lint -# error "no assembler code for your compiler" -# endif -#endif - } -} - -#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 - -/* - * Write the 1, 2, 4, or 8 byte value `value' to bus space - * described by tag/handle/offset. - */ - -static __inline void bus_space_write_1(bus_space_tag_t tag, - bus_space_handle_t bsh, - bus_size_t offset, u_int8_t value); - -static __inline void bus_space_write_2(bus_space_tag_t tag, - bus_space_handle_t bsh, - bus_size_t offset, u_int16_t value); - -static __inline void bus_space_write_4(bus_space_tag_t tag, - bus_space_handle_t bsh, - bus_size_t offset, u_int32_t value); - -static __inline void -bus_space_write_1(bus_space_tag_t tag, bus_space_handle_t bsh, - bus_size_t offset, u_int8_t value) -{ - - if (tag == I386_BUS_SPACE_IO) - outb(bsh + offset, value); - else - *(volatile u_int8_t *)(bsh + offset) = value; -} - -static __inline void -bus_space_write_2(bus_space_tag_t tag, bus_space_handle_t bsh, - bus_size_t offset, u_int16_t value) -{ - - if (tag == I386_BUS_SPACE_IO) - outw(bsh + offset, value); - else - *(volatile u_int16_t *)(bsh + offset) = value; -} - -static __inline void -bus_space_write_4(bus_space_tag_t tag, bus_space_handle_t bsh, - bus_size_t offset, u_int32_t value) -{ - - if (tag == I386_BUS_SPACE_IO) - outl(bsh + offset, value); - else - *(volatile u_int32_t *)(bsh + offset) = value; -} - -#if 0 /* Cause a link error for bus_space_write_8 */ -#define bus_space_write_8 !!! bus_space_write_8 not implemented !!! -#endif - -/* - * Write `count' 1, 2, 4, or 8 byte quantities from the buffer - * provided to bus space described by tag/handle/offset. - */ - -static __inline void 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); -static __inline void 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); - -static __inline void 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); - -static __inline void -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) -{ - - if (tag == I386_BUS_SPACE_IO) - outsb(bsh + offset, addr, count); - else { -#ifdef __GNUCLIKE_ASM - __asm __volatile(" \n\ - cld \n\ - 1: lodsb \n\ - movb %%al,(%2) \n\ - loop 1b" : - "=S" (addr), "=c" (count) : - "r" (bsh + offset), "0" (addr), "1" (count) : - "%eax", "memory", "cc"); -#else -# ifndef lint -# error "no assembler code for your compiler" -# endif -#endif - } -} - -static __inline void -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) -{ - - if (tag == I386_BUS_SPACE_IO) - outsw(bsh + offset, addr, count); - else { -#ifdef __GNUCLIKE_ASM - __asm __volatile(" \n\ - cld \n\ - 1: lodsw \n\ - movw %%ax,(%2) \n\ - loop 1b" : - "=S" (addr), "=c" (count) : - "r" (bsh + offset), "0" (addr), "1" (count) : - "%eax", "memory", "cc"); -#else -# ifndef lint -# error "no assembler code for your compiler" -# endif -#endif - } -} - -static __inline void -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) -{ - - if (tag == I386_BUS_SPACE_IO) - outsl(bsh + offset, addr, count); - else { -#ifdef __GNUCLIKE_ASM - __asm __volatile(" \n\ - cld \n\ - 1: lodsl \n\ - movl %%eax,(%2) \n\ - loop 1b" : - "=S" (addr), "=c" (count) : - "r" (bsh + offset), "0" (addr), "1" (count) : - "%eax", "memory", "cc"); -#else -# ifndef lint -# error "no assembler code for your compiler" -# endif -#endif - } -} - -#if 0 /* Cause a link error for bus_space_write_multi_8 */ -#define bus_space_write_multi_8(t, h, o, a, c) \ - !!! bus_space_write_multi_8 unimplemented !!! -#endif - -/* - * Write `count' 1, 2, 4, or 8 byte quantities from the buffer provided - * to bus space described by tag/handle starting at `offset'. - */ - -static __inline void 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); -static __inline void 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); -static __inline void 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); - -static __inline void -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) -{ - - if (tag == I386_BUS_SPACE_IO) { - int _port_ = bsh + offset; -#ifdef __GNUCLIKE_ASM - __asm __volatile(" \n\ - cld \n\ - 1: lodsb \n\ - outb %%al,%w0 \n\ - incl %0 \n\ - loop 1b" : - "=d" (_port_), "=S" (addr), "=c" (count) : - "0" (_port_), "1" (addr), "2" (count) : - "%eax", "memory", "cc"); -#else -# ifndef lint -# error "no assembler code for your compiler" -# endif -#endif - } else { - int _port_ = bsh + offset; -#ifdef __GNUCLIKE_ASM - __asm __volatile(" \n\ - cld \n\ - repne \n\ - movsb" : - "=D" (_port_), "=S" (addr), "=c" (count) : - "0" (_port_), "1" (addr), "2" (count) : - "memory", "cc"); -#else -# ifndef lint -# error "no assembler code for your compiler" -# endif -#endif - } -} - -static __inline void -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) -{ - - if (tag == I386_BUS_SPACE_IO) { - int _port_ = bsh + offset; -#ifdef __GNUCLIKE_ASM - __asm __volatile(" \n\ - cld \n\ - 1: lodsw \n\ - outw %%ax,%w0 \n\ - addl $2,%0 \n\ - loop 1b" : - "=d" (_port_), "=S" (addr), "=c" (count) : - "0" (_port_), "1" (addr), "2" (count) : - "%eax", "memory", "cc"); -#else -# ifndef lint -# error "no assembler code for your compiler" -# endif -#endif - } else { - int _port_ = bsh + offset; -#ifdef __GNUCLIKE_ASM - __asm __volatile(" \n\ - cld \n\ - repne \n\ - movsw" : - "=D" (_port_), "=S" (addr), "=c" (count) : - "0" (_port_), "1" (addr), "2" (count) : - "memory", "cc"); -#else -# ifndef lint -# error "no assembler code for your compiler" -# endif -#endif - } -} - -static __inline void -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) -{ - - if (tag == I386_BUS_SPACE_IO) { - int _port_ = bsh + offset; -#ifdef __GNUCLIKE_ASM - __asm __volatile(" \n\ - cld \n\ - 1: lodsl \n\ - outl %%eax,%w0 \n\ - addl $4,%0 \n\ - loop 1b" : - "=d" (_port_), "=S" (addr), "=c" (count) : - "0" (_port_), "1" (addr), "2" (count) : - "%eax", "memory", "cc"); -#else -# ifndef lint -# error "no assembler code for your compiler" -# endif -#endif - } else { - int _port_ = bsh + offset; -#ifdef __GNUCLIKE_ASM - __asm __volatile(" \n\ - cld \n\ - repne \n\ - movsl" : - "=D" (_port_), "=S" (addr), "=c" (count) : - "0" (_port_), "1" (addr), "2" (count) : - "memory", "cc"); -#else -# ifndef lint -# error "no assembler code for your compiler" -# endif -#endif - } -} - -#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 - -/* - * Write the 1, 2, 4, or 8 byte value `val' to bus space described - * by tag/handle/offset `count' times. - */ - -static __inline void bus_space_set_multi_1(bus_space_tag_t tag, - bus_space_handle_t bsh, - bus_size_t offset, - u_int8_t value, size_t count); -static __inline void bus_space_set_multi_2(bus_space_tag_t tag, - bus_space_handle_t bsh, - bus_size_t offset, - u_int16_t value, size_t count); -static __inline void bus_space_set_multi_4(bus_space_tag_t tag, - bus_space_handle_t bsh, - bus_size_t offset, - u_int32_t value, size_t count); - -static __inline void -bus_space_set_multi_1(bus_space_tag_t tag, bus_space_handle_t bsh, - bus_size_t offset, u_int8_t value, size_t count) -{ - bus_space_handle_t addr = bsh + offset; - - if (tag == I386_BUS_SPACE_IO) - while (count--) - outb(addr, value); - else - while (count--) - *(volatile u_int8_t *)(addr) = value; -} - -static __inline void -bus_space_set_multi_2(bus_space_tag_t tag, bus_space_handle_t bsh, - bus_size_t offset, u_int16_t value, size_t count) -{ - bus_space_handle_t addr = bsh + offset; - - if (tag == I386_BUS_SPACE_IO) - while (count--) - outw(addr, value); - else - while (count--) - *(volatile u_int16_t *)(addr) = value; -} - -static __inline void -bus_space_set_multi_4(bus_space_tag_t tag, bus_space_handle_t bsh, - bus_size_t offset, u_int32_t value, size_t count) -{ - bus_space_handle_t addr = bsh + offset; - - if (tag == I386_BUS_SPACE_IO) - while (count--) - outl(addr, value); - else - while (count--) - *(volatile u_int32_t *)(addr) = value; -} - -#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 - -/* - * Write `count' 1, 2, 4, or 8 byte value `val' to bus space described - * by tag/handle starting at `offset'. - */ - -static __inline void bus_space_set_region_1(bus_space_tag_t tag, - bus_space_handle_t bsh, - bus_size_t offset, u_int8_t value, - size_t count); -static __inline void bus_space_set_region_2(bus_space_tag_t tag, - bus_space_handle_t bsh, - bus_size_t offset, u_int16_t value, - size_t count); -static __inline void bus_space_set_region_4(bus_space_tag_t tag, - bus_space_handle_t bsh, - bus_size_t offset, u_int32_t value, - size_t count); - -static __inline void -bus_space_set_region_1(bus_space_tag_t tag, bus_space_handle_t bsh, - bus_size_t offset, u_int8_t value, size_t count) -{ - bus_space_handle_t addr = bsh + offset; - - if (tag == I386_BUS_SPACE_IO) - for (; count != 0; count--, addr++) - outb(addr, value); - else - for (; count != 0; count--, addr++) - *(volatile u_int8_t *)(addr) = value; -} - -static __inline void -bus_space_set_region_2(bus_space_tag_t tag, bus_space_handle_t bsh, - bus_size_t offset, u_int16_t value, size_t count) -{ - bus_space_handle_t addr = bsh + offset; - - if (tag == I386_BUS_SPACE_IO) - for (; count != 0; count--, addr += 2) - outw(addr, value); - else - for (; count != 0; count--, addr += 2) - *(volatile u_int16_t *)(addr) = value; -} - -static __inline void -bus_space_set_region_4(bus_space_tag_t tag, bus_space_handle_t bsh, - bus_size_t offset, u_int32_t value, size_t count) -{ - bus_space_handle_t addr = bsh + offset; - - if (tag == I386_BUS_SPACE_IO) - for (; count != 0; count--, addr += 4) - outl(addr, value); - else - for (; count != 0; count--, addr += 4) - *(volatile u_int32_t *)(addr) = value; -} - -#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 - -/* - * 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. - */ - -static __inline void bus_space_copy_region_1(bus_space_tag_t tag, - bus_space_handle_t bsh1, - bus_size_t off1, - bus_space_handle_t bsh2, - bus_size_t off2, size_t count); - -static __inline void bus_space_copy_region_2(bus_space_tag_t tag, - bus_space_handle_t bsh1, - bus_size_t off1, - bus_space_handle_t bsh2, - bus_size_t off2, size_t count); - -static __inline void bus_space_copy_region_4(bus_space_tag_t tag, - bus_space_handle_t bsh1, - bus_size_t off1, - bus_space_handle_t bsh2, - bus_size_t off2, size_t count); - -static __inline void -bus_space_copy_region_1(bus_space_tag_t tag, bus_space_handle_t bsh1, - bus_size_t off1, bus_space_handle_t bsh2, - bus_size_t off2, size_t count) -{ - bus_space_handle_t addr1 = bsh1 + off1; - bus_space_handle_t addr2 = bsh2 + off2; - - if (tag == I386_BUS_SPACE_IO) { - if (addr1 >= addr2) { - /* src after dest: copy forward */ - for (; count != 0; count--, addr1++, addr2++) - outb(addr2, inb(addr1)); - } else { - /* dest after src: copy backwards */ - for (addr1 += (count - 1), addr2 += (count - 1); - count != 0; count--, addr1--, addr2--) - outb(addr2, inb(addr1)); - } - } else { - if (addr1 >= addr2) { - /* src after dest: copy forward */ - for (; count != 0; count--, addr1++, addr2++) - *(volatile u_int8_t *)(addr2) = - *(volatile u_int8_t *)(addr1); - } else { - /* dest after src: copy backwards */ - for (addr1 += (count - 1), addr2 += (count - 1); - count != 0; count--, addr1--, addr2--) - *(volatile u_int8_t *)(addr2) = - *(volatile u_int8_t *)(addr1); - } - } -} - -static __inline void -bus_space_copy_region_2(bus_space_tag_t tag, bus_space_handle_t bsh1, - bus_size_t off1, bus_space_handle_t bsh2, - bus_size_t off2, size_t count) -{ - bus_space_handle_t addr1 = bsh1 + off1; - bus_space_handle_t addr2 = bsh2 + off2; - - if (tag == I386_BUS_SPACE_IO) { - if (addr1 >= addr2) { - /* src after dest: copy forward */ - for (; count != 0; count--, addr1 += 2, addr2 += 2) - outw(addr2, inw(addr1)); - } else { - /* dest after src: copy backwards */ - for (addr1 += 2 * (count - 1), addr2 += 2 * (count - 1); - count != 0; count--, addr1 -= 2, addr2 -= 2) - outw(addr2, inw(addr1)); - } - } else { - if (addr1 >= addr2) { - /* src after dest: copy forward */ - for (; count != 0; count--, addr1 += 2, addr2 += 2) - *(volatile u_int16_t *)(addr2) = - *(volatile u_int16_t *)(addr1); - } else { - /* dest after src: copy backwards */ - for (addr1 += 2 * (count - 1), addr2 += 2 * (count - 1); - count != 0; count--, addr1 -= 2, addr2 -= 2) - *(volatile u_int16_t *)(addr2) = - *(volatile u_int16_t *)(addr1); - } - } -} - -static __inline void -bus_space_copy_region_4(bus_space_tag_t tag, bus_space_handle_t bsh1, - bus_size_t off1, bus_space_handle_t bsh2, - bus_size_t off2, size_t count) -{ - bus_space_handle_t addr1 = bsh1 + off1; - bus_space_handle_t addr2 = bsh2 + off2; - - if (tag == I386_BUS_SPACE_IO) { - if (addr1 >= addr2) { - /* src after dest: copy forward */ - for (; count != 0; count--, addr1 += 4, addr2 += 4) - outl(addr2, inl(addr1)); - } else { - /* dest after src: copy backwards */ - for (addr1 += 4 * (count - 1), addr2 += 4 * (count - 1); - count != 0; count--, addr1 -= 4, addr2 -= 4) - outl(addr2, inl(addr1)); - } - } else { - if (addr1 >= addr2) { - /* src after dest: copy forward */ - for (; count != 0; count--, addr1 += 4, addr2 += 4) - *(volatile u_int32_t *)(addr2) = - *(volatile u_int32_t *)(addr1); - } else { - /* dest after src: copy backwards */ - for (addr1 += 4 * (count - 1), addr2 += 4 * (count - 1); - count != 0; count--, addr1 -= 4, addr2 -= 4) - *(volatile u_int32_t *)(addr2) = - *(volatile u_int32_t *)(addr1); - } - } -} - -#if 0 /* Cause a link error for bus_space_copy_8 */ -#define bus_space_copy_region_8 !!! bus_space_copy_region_8 unimplemented !!! -#endif - -/* - * 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 __unused, bus_space_handle_t bsh __unused, - bus_size_t offset __unused, bus_size_t len __unused, int flags) -{ -#ifdef __GNUCLIKE_ASM - if (flags & BUS_SPACE_BARRIER_READ) - __asm __volatile("lock; addl $0,0(%%esp)" : : : "memory"); - else - __asm __volatile("" : : : "memory"); -#else -# ifndef lint -# error "no assembler code for your compiler" -# endif -#endif -} - -#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 - -#ifndef __rtems__ -#include -#endif - -/* - * 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 /* _RTEMS_BSD_MACHINE_BUS_I386_H_ */ diff --git a/rtemsbsd/include/machine/bus_space-simple_memory.h b/rtemsbsd/include/machine/bus_space-simple_memory.h deleted file mode 100644 index 559294e6..00000000 --- a/rtemsbsd/include/machine/bus_space-simple_memory.h +++ /dev/null @@ -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 - * - * - * 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_ */ -- cgit v1.2.3