/* $NetBSD: bus.h,v 1.18 2012/05/07 18:16:38 tsutsui Exp $ */ /*- * Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, * NASA Ames Research Center. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /* * Copyright (C) 1997 Scott Reynolds. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef _HP300_BUS_H_ #define _HP300_BUS_H_ /* * Values for the hp300 bus space tag, not to be used directly by MI code. */ #define HP300_BUS_SPACE_INTIO 0 /* space is intio space */ #define HP300_BUS_SPACE_DIO 1 /* space is dio space */ #define HP300_BUS_SPACE_SGC 2 /* space is sgc space */ /* * Bus address and size types */ typedef u_long bus_addr_t; typedef u_long bus_size_t; /* * Access methods for bus resources and address space. */ typedef struct bus_space_tag *bus_space_tag_t; typedef u_long bus_space_handle_t; /* * Implementation specific structures. * XXX Don't use outside of bus_space definitions! * XXX maybe this should be encapsuled in a non-global .h file? */ struct bus_space_tag { u_int bustype; uint8_t (*bsr1)(bus_space_tag_t, bus_space_handle_t, bus_size_t); uint16_t (*bsr2)(bus_space_tag_t, bus_space_handle_t, bus_size_t); uint32_t (*bsr4)(bus_space_tag_t, bus_space_handle_t, bus_size_t); void (*bsrm1)(bus_space_tag_t, bus_space_handle_t, bus_size_t, uint8_t *, bus_size_t); void (*bsrm2)(bus_space_tag_t, bus_space_handle_t, bus_size_t, uint16_t *, bus_size_t); void (*bsrm4)(bus_space_tag_t, bus_space_handle_t, bus_size_t, uint32_t *, bus_size_t); void (*bsrr1)(bus_space_tag_t, bus_space_handle_t, bus_size_t, uint8_t *, bus_size_t); void (*bsrr2)(bus_space_tag_t, bus_space_handle_t, bus_size_t, uint16_t *, bus_size_t); void (*bsrr4)(bus_space_tag_t, bus_space_handle_t, bus_size_t, uint32_t *, bus_size_t); void (*bsw1)(bus_space_tag_t, bus_space_handle_t, bus_size_t, uint8_t); void (*bsw2)(bus_space_tag_t, bus_space_handle_t, bus_size_t, uint16_t); void (*bsw4)(bus_space_tag_t, bus_space_handle_t, bus_size_t, uint32_t); void (*bswm1)(bus_space_tag_t, bus_space_handle_t, bus_size_t, const uint8_t *, bus_size_t); void (*bswm2)(bus_space_tag_t, bus_space_handle_t, bus_size_t, const uint16_t *, bus_size_t); void (*bswm4)(bus_space_tag_t, bus_space_handle_t, bus_size_t, const uint32_t *, bus_size_t); void (*bswr1)(bus_space_tag_t, bus_space_handle_t , bus_size_t, const uint8_t *, bus_size_t); void (*bswr2)(bus_space_tag_t, bus_space_handle_t, bus_size_t, const uint16_t *, bus_size_t); void (*bswr4)(bus_space_tag_t, bus_space_handle_t, bus_size_t, const uint32_t *, bus_size_t); void (*bssm1)(bus_space_tag_t, bus_space_handle_t, bus_size_t, uint8_t, bus_size_t); void (*bssm2)(bus_space_tag_t, bus_space_handle_t, bus_size_t, uint16_t, bus_size_t); void (*bssm4)(bus_space_tag_t, bus_space_handle_t, bus_size_t, uint32_t, bus_size_t); void (*bssr1)(bus_space_tag_t, bus_space_handle_t, bus_size_t, uint8_t, bus_size_t); void (*bssr2)(bus_space_tag_t, bus_space_handle_t, bus_size_t, uint16_t, bus_size_t); void (*bssr4)(bus_space_tag_t, bus_space_handle_t, bus_size_t, uint32_t, bus_size_t); }; /* * int bus_space_map(bus_space_tag_t t, bus_addr_t addr, * bus_size_t size, int flags, bus_space_handle_t *bshp); * * Map a region of bus space. */ #define BUS_SPACE_MAP_CACHEABLE 0x01 #define BUS_SPACE_MAP_LINEAR 0x02 #define BUS_SPACE_MAP_PREFETCHABLE 0x04 int bus_space_map(bus_space_tag_t, bus_addr_t, bus_size_t, int, bus_space_handle_t *); /* * void bus_space_unmap(bus_space_tag_t t, * bus_space_handle_t bsh, bus_size_t size); * * Unmap a region of bus space. */ void bus_space_unmap(bus_space_tag_t, bus_space_handle_t, bus_size_t); /* * int bus_space_subregion(bus_space_tag_t t, * bus_space_handle_t bsh, bus_size_t offset, bus_size_t size, * bus_space_handle_t *nbshp); * * Get a new handle for a subregion of an already-mapped area of bus space. */ int 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); /* * 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); * * Allocate a region of 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 cacheable, bus_addr_t *addrp, bus_space_handle_t *bshp); /* * int bus_space_free(bus_space_tag_t t, * bus_space_handle_t bsh, bus_size_t size); * * Free a region of bus space. */ void bus_space_free(bus_space_tag_t t, bus_space_handle_t bsh, bus_size_t size); /* * void *bus_space_vaddr(bus_space_tag_t, bus_space_handle_t); * * Get the kernel virtual address for the mapped bus space. * Only allowed for regions mapped with BUS_SPACE_MAP_LINEAR. * (XXX not enforced) */ #define bus_space_vaddr(t, h) (void *)(h) /* * int hp300_bus_space_probe(bus_space_tag_t t, * bus_space_handle_t bsh, bus_size_t offset, int sz); * * Probe the bus at t/bsh/offset, using sz as the size of the load. * * This is a machine-dependent extension, and is not to be used by * machine-independent code. */ int hp300_bus_space_probe(bus_space_tag_t t, bus_space_handle_t bsh, bus_size_t offset, int sz); /* * u_intN_t bus_space_read_N(bus_space_tag_t tag, * bus_space_handle_t bsh, bus_size_t offset); * * Read a 1, 2, 4, or 8 byte quantity from bus space * described by tag/handle/offset. */ #define bus_space_read_1(t, h, o) \ (((t)->bsr1 != NULL) ? ((t)->bsr1)(t, h, o) : \ (*(volatile uint8_t *)((h) + (o)))) #define bus_space_read_2(t, h, o) \ (((t)->bsr2 != NULL) ? ((t)->bsr2)(t, h, o) : \ (*(volatile uint16_t *)((h) + (o)))) #define bus_space_read_4(t, h, o) \ (((t)->bsr4 != NULL) ? ((t)->bsr4)(t, h, o) : \ (*(volatile uint32_t *)((h) + (o)))) #if 0 /* Cause a link error for bus_space_read_8 */ #define bus_space_read_8(t, h, o) !!! bus_space_read_8 unimplemented !!! #endif /* * void bus_space_read_multi_N(bus_space_tag_t tag, * bus_space_handle_t bsh, bus_size_t offset, * u_intN_t *addr, size_t count); * * Read `count' 1, 2, 4, or 8 byte quantities from bus space * described by tag/handle/offset and copy into buffer provided. */ #define bus_space_read_multi_1(t, h, o, a, c) \ do { \ if ((t)->bsrm1 != NULL) \ ((t)->bsrm1)(t, h, o, a, c); \ else { \ __asm volatile (" \ movl %0,%%a0 ; \ movl %1,%%a1 ; \ movl %2,%%d0 ; \ 1: movb %%a0@,%%a1@+ ; \ subql #1,%%d0 ; \ jne 1b" : \ : \ "r" ((h) + (o)), "g" (a), "g" (c) : \ "%a0","%a1","%d0"); \ } \ } while (/* CONSTCOND */ 0) #define bus_space_read_multi_2(t, h, o, a, c) \ do { \ if ((t)->bsrm2 != NULL) \ ((t)->bsrm2)(t, h, o, a, c); \ else { \ __asm volatile (" \ movl %0,%%a0 ; \ movl %1,%%a1 ; \ movl %2,%%d0 ; \ 1: movw %%a0@,%%a1@+ ; \ subql #1,%%d0 ; \ jne 1b" : \ : \ "r" ((h) + (o)), "g" (a), "g" (c) : \ "%a0","%a1","%d0"); \ } \ } while (/* CONSTCOND */ 0) #define bus_space_read_multi_4(t, h, o, a, c) do { \ if ((t)->bsrm4 != NULL) \ ((t)->bsrm4)(t, h, o, a, c); \ else { \ __asm volatile (" \ movl %0,%%a0 ; \ movl %1,%%a1 ; \ movl %2,%%d0 ; \ 1: movl %%a0@,%%a1@+ ; \ subql #1,%%d0 ; \ jne 1b" : \ : \ "r" ((h) + (o)), "g" (a), "g" (c) : \ "%a0","%a1","%d0"); \ } \ } while (/* CONSTCOND */ 0) #if 0 /* Cause a link error for bus_space_read_multi_8 */ #define bus_space_read_multi_8 !!! bus_space_read_multi_8 unimplemented !!! #endif /* * void bus_space_read_region_N(bus_space_tag_t tag, * bus_space_handle_t bsh, bus_size_t offset, * u_intN_t *addr, size_t count); * * Read `count' 1, 2, 4, or 8 byte quantities from bus space * described by tag/handle and starting at `offset' and copy into * buffer provided. */ #define bus_space_read_region_1(t, h, o, a, c) \ do { \ if ((t)->bsrr1 != NULL) \ ((t)->bsrr1)(t, h, o, a, c); \ else { \ __asm volatile (" \ movl %0,%%a0 ; \ movl %1,%%a1 ; \ movl %2,%%d0 ; \ 1: movb %%a0@+,%%a1@+ ; \ subql #1,%%d0 ; \ jne 1b" : \ : \ "r" ((h) + (o)), "g" (a), "g" (c) : \ "%a0","%a1","%d0"); \ } \ } while (/* CONSTCOND */ 0) #define bus_space_read_region_2(t, h, o, a, c) \ do { \ if ((t)->bsrr2 != NULL) \ ((t)->bsrr2)(t, h, o, a, c); \ else { \ __asm volatile (" \ movl %0,%%a0 ; \ movl %1,%%a1 ; \ movl %2,%%d0 ; \ 1: movw %%a0@+,%%a1@+ ; \ subql #1,%%d0 ; \ jne 1b" : \ : \ "r" ((h) + (o)), "g" (a), "g" (c) : \ "%a0","%a1","%d0"); \ } \ } while (/* CONSTCOND */ 0) #define bus_space_read_region_4(t, h, o, a, c) \ do { \ if ((t)->bsrr4 != NULL) \ ((t)->bsrr4)(t, h, o, a, c); \ else { \ __asm volatile (" \ movl %0,%%a0 ; \ movl %1,%%a1 ; \ movl %2,%%d0 ; \ 1: movl %%a0@+,%%a1@+ ; \ subql #1,%%d0 ; \ jne 1b" : \ : \ "r" ((h) + (o)), "g" (a), "g" (c) : \ "%a0","%a1","%d0"); \ } \ } while (/* CONSTCOND */ 0) #if 0 /* Cause a link error for bus_space_read_region_8 */ #define bus_space_read_region_8 !!! bus_space_read_region_8 unimplemented !!! #endif /* * void bus_space_write_N(bus_space_tag_t tag, * bus_space_handle_t bsh, bus_size_t offset, * u_intN_t value); * * Write the 1, 2, 4, or 8 byte value `value' to bus space * described by tag/handle/offset. */ #define bus_space_write_1(t, h, o, v) \ do { \ if ((t)->bsw1 != NULL) \ ((t)->bsw1)(t, h, o, v); \ else \ ((void)(*(volatile uint8_t *)((h) + (o)) = (v))); \ } while (/* CONSTCOND */ 0) #define bus_space_write_2(t, h, o, v) \ do { \ if ((t)->bsw2 != NULL) \ ((t)->bsw2)(t, h, o, v); \ else \ ((void)(*(volatile uint16_t *)((h) + (o)) = (v))); \ } while (/* CONSTCOND */ 0) #define bus_space_write_4(t, h, o, v) \ do { \ if ((t)->bsw4 != NULL) \ ((t)->bsw4)(t, h, o, v); \ else \ ((void)(*(volatile uint32_t *)((h) + (o)) = (v))); \ } while (/* CONSTCOND */ 0) #if 0 /* Cause a link error for bus_space_write_8 */ #define bus_space_write_8 !!! bus_space_write_8 not implemented !!! #endif /* * void bus_space_write_multi_N(bus_space_tag_t tag, * bus_space_handle_t bsh, bus_size_t offset, * const u_intN_t *addr, size_t count); * * Write `count' 1, 2, 4, or 8 byte quantities from the buffer * provided to bus space described by tag/handle/offset. */ #define bus_space_write_multi_1(t, h, o, a, c) \ do { \ if ((t)->bswm1 != NULL) \ ((t)->bswm1)(t, h, o, a, c); \ else { \ __asm volatile (" \ movl %0,%%a0 ; \ movl %1,%%a1 ; \ movl %2,%%d0 ; \ 1: movb %%a1@+,%%a0@ ; \ subql #1,%%d0 ; \ jne 1b" : \ : \ "r" ((h) + (o)), "g" (a), "g" (c) : \ "%a0","%a1","%d0"); \ } \ } while (/* CONSTCOND */ 0) #define bus_space_write_multi_2(t, h, o, a, c) \ do { \ if ((t)->bswm2 != NULL) \ ((t)->bswm2)(t, h, o, a, c); \ else { \ __asm volatile (" \ movl %0,%%a0 ; \ movl %1,%%a1 ; \ movl %2,%%d0 ; \ 1: movw %%a1@+,%%a0@ ; \ subql #1,%%d0 ; \ jne 1b" : \ : \ "r" ((h) + (o)), "g" (a), "g" (c) : \ "%a0","%a1","%d0"); \ } \ } while (/* CONSTCOND */ 0) #define bus_space_write_multi_4(t, h, o, a, c) \ do { \ (void) t; \ if ((t)->bswm4 != NULL) \ ((t)->bswm4)(t, h, o, a, c); \ else { \ __asm volatile (" \ movl %0,%%a0 ; \ movl %1,%%a1 ; \ movl %2,%%d0 ; \ 1: movl %%a1@+,%%a0@ ; \ subql #1,%%d0 ; \ jne 1b" : \ : \ "r" ((h) + (o)), "g" (a), "g" (c) : \ "%a0","%a1","%d0"); \ } \ } while (/* CONSTCOND */ 0) #if 0 /* Cause a link error for bus_space_write_8 */ #define bus_space_write_multi_8(t, h, o, a, c) \ !!! bus_space_write_multi_8 unimplimented !!! #endif /* * void bus_space_write_region_N(bus_space_tag_t tag, * bus_space_handle_t bsh, bus_size_t offset, * const u_intN_t *addr, size_t count); * * Write `count' 1, 2, 4, or 8 byte quantities from the buffer provided * to bus space described by tag/handle starting at `offset'. */ #define bus_space_write_region_1(t, h, o, a, c) \ do { \ if ((t)->bswr1 != NULL) \ ((t)->bswr1)(t, h, o, a, c); \ else { \ __asm volatile (" \ movl %0,%%a0 ; \ movl %1,%%a1 ; \ movl %2,%%d0 ; \ 1: movb %%a1@+,%%a0@+ ; \ subql #1,%%d0 ; \ jne 1b" : \ : \ "r" ((h) + (o)), "g" (a), "g" (c) : \ "%a0","%a1","%d0"); \ } \ } while (/* CONSTCOND */ 0) #define bus_space_write_region_2(t, h, o, a, c) \ do { \ if ((t)->bswr2) != NULL) \ ((t)->bswr2)(t, h, o, a, c); \ else { \ __asm volatile (" \ movl %0,%%a0 ; \ movl %1,%%a1 ; \ movl %2,%%d0 ; \ 1: movw %%a1@+,%%a0@+ ; \ subql #1,%%d0 ; \ jne 1b" : \ : \ "r" ((h) + (o)), "g" (a), "g" (c) : \ "%a0","%a1","%d0"); \ } \ } while (/* CONSTCOND */ 0) #define bus_space_write_region_4(t, h, o, a, c) \ do { \ if ((t)->bswr4) != NULL) \ ((t)->bswr4)(t, h, o, a, c); \ else { \ __asm volatile (" \ movl %0,%%a0 ; \ movl %1,%%a1 ; \ movl %2,%%d0 ; \ 1: movl %%a1@+,%%a0@+ ; \ subql #1,%%d0 ; \ jne 1b" : \ : \ "r" ((h) + (o)), "g" (a), "g" (c) : \ "%a0","%a1","%d0"); \ } \ } while (/* CONSTCOND */ 0) #if 0 /* Cause a link error for bus_space_write_region_8 */ #define bus_space_write_region_8 \ !!! bus_space_write_region_8 unimplemented !!! #endif /* * void bus_space_set_multi_N(bus_space_tag_t tag, * bus_space_handle_t bsh, bus_size_t offset, u_intN_t val, * size_t count); * * Write the 1, 2, 4, or 8 byte value `val' to bus space described * by tag/handle/offset `count' times. */ #define bus_space_set_multi_1(t, h, o, val, c) \ do { \ if ((t)->bssm1 != NULL) \ ((t)->bssm1)(t, h, o, val, c); \ else { \ __asm volatile (" \ movl %0,%%a0 ; \ movl %1,%%d1 ; \ movl %2,%%d0 ; \ 1: movb %%d1,%%a0@ ; \ subql #1,%%d0 ; \ jne 1b" : \ : \ "r" ((h) + (o)), "g" (val), "g" (c) : \ "%a0","%d0","%d1"); \ } \ } while (/* CONSTCOND */ 0) #define bus_space_set_multi_2(t, h, o, val, c) \ do { \ if ((t)->bssm2 != NULL) \ ((t)->bssm2)(t, h, o, val, c); \ else { \ __asm volatile (" \ movl %0,%%a0 ; \ movl %1,%%d1 ; \ movl %2,%%d0 ; \ 1: movw %%d1,%%a0@ ; \ subql #1,%%d0 ; \ jne 1b" : \ : \ "r" ((h) + (o)), "g" (val), "g" (c) : \ "%a0","%d0","%d1"); \ } \ } while (/* CONSTCOND */ 0) #define bus_space_set_multi_4(t, h, o, val, c) \ do { \ if ((t)->bssm4 != NULL) \ ((t)->bssm4)(t, h, o, val, c); \ else { \ __asm volatile (" \ movl %0,%%a0 ; \ movl %1,%%d1 ; \ movl %2,%%d0 ; \ 1: movl %%d1,%%a0@ ; \ subql #1,%%d0 ; \ jne 1b" : \ : \ "r" ((h) + (o)), "g" (val), "g" (c) : \ "%a0","%d0","%d1"); \ } \ } while (/* CONSTCOND */ 0) #if 0 /* Cause a link error for bus_space_set_multi_8 */ #define bus_space_set_multi_8 \ !!! bus_space_set_multi_8 unimplemented !!! #endif /* * void bus_space_set_region_N(bus_space_tag_t tag, * bus_space_handle_t bsh, bus_size_t offset, u_intN_t val, * size_t count); * * Write `count' 1, 2, 4, or 8 byte value `val' to bus space described * by tag/handle starting at `offset'. */ #define bus_space_set_region_1(t, h, o, val, c) \ do { \ if ((t)->bssr1 != NULL) \ ((t)->bssr1)(t, h, o, val, c); \ else { \ __asm volatile (" \ movl %0,%%a0 ; \ movl %1,%%d1 ; \ movl %2,%%d0 ; \ 1: movb %%d1,%%a0@+ ; \ subql #1,%%d0 ; \ jne 1b" : \ : \ "r" ((h) + (o)), "g" (val), "g" (c) : \ "%a0","%d0","%d1"); \ } \ } while (/* CONSTCOND */ 0) #define bus_space_set_region_2(t, h, o, val, c) \ do { \ if ((t)->bssr2 != NULL) \ ((t)->bssr2)(t, h, o, val, c); \ else { \ __asm volatile (" \ movl %0,%%a0 ; \ movl %1,%%d1 ; \ movl %2,%%d0 ; \ 1: movw %%d1,%%a0@+ ; \ subql #1,%%d0 ; \ jne 1b" : \ : \ "r" ((h) + (o)), "g" (val), "g" (c) : \ "%a0","%d0","%d1"); \ } \ } while (/* CONSTCOND */ 0) #define bus_space_set_region_4(t, h, o, val, c) \ do { \ (void) t; \ if ((t)->bssr4 != NULL) \ ((t)->bssr4)(t, h, o, val, c); \ else { \ __asm volatile (" \ movl %0,%%a0 ; \ movl %1,%%d1 ; \ movl %2,%%d0 ; \ 1: movl %%d1,%%a0@+ ; \ subql #1,%%d0 ; \ jne 1b" : \ : \ "r" ((h) + (o)), "g" (val), "g" (c) : \ "%a0","%d0","%d1"); \ } \ } while (/* CONSTCOND */ 0) #if 0 /* Cause a link error for bus_space_set_region_8 */ #define bus_space_set_region_8 \ !!! bus_space_set_region_8 unimplemented !!! #endif /* * void bus_space_copy_region_N(bus_space_tag_t tag, * bus_space_handle_t bsh1, bus_size_t off1, * bus_space_handle_t bsh2, bus_size_t off2, * bus_size_t count); * * Copy `count' 1, 2, 4, or 8 byte values from bus space starting * at tag/bsh1/off1 to bus space starting at tag/bsh2/off2. */ #define __HP300_copy_region_N(BYTES) \ static __inline void \ __CONCAT(bus_space_copy_region_,BYTES)(bus_space_tag_t t, \ bus_space_handle_t h1, bus_size_t o1, bus_space_handle_t h2, \ bus_size_t o2, bus_size_t c) \ { \ bus_size_t o; \ \ if ((h1 + o1) >= (h2 + o2)) { \ /* src after dest: copy forward */ \ for (o = 0; c != 0; c--, o += BYTES) \ __CONCAT(bus_space_write_,BYTES)(t, h2, o2 + o, \ __CONCAT(bus_space_read_,BYTES)(t, h1, o1 + o)); \ } else { \ /* dest after src: copy backwards */ \ for (o = (c - 1) * BYTES; c != 0; c--, o -= BYTES) \ __CONCAT(bus_space_write_,BYTES)(t, h2, o2 + o, \ __CONCAT(bus_space_read_,BYTES)(t, h1, o1 + o)); \ } \ } __HP300_copy_region_N(1) __HP300_copy_region_N(2) __HP300_copy_region_N(4) #if 0 /* Cause a link error for bus_space_copy_region_8 */ #define bus_space_copy_region_8 \ !!! bus_space_copy_region_8 unimplemented !!! #endif #undef __HP300_copy_region_N /* * Bus stream operations--defined in terms of non-stream counterparts */ #define __BUS_SPACE_HAS_STREAM_METHODS 1 #define bus_space_read_stream_1 bus_space_read_1 #define bus_space_read_stream_2 bus_space_read_2 #define bus_space_read_stream_4 bus_space_read_4 #define bus_space_read_stream_8 bus_space_read_8 #define bus_space_read_multi_stream_1 bus_space_read_multi_1 #define bus_space_read_multi_stream_2 bus_space_read_multi_2 #define bus_space_read_multi_stream_4 bus_space_read_multi_4 #define bus_space_read_multi_stream_8 bus_space_read_multi_8 #define bus_space_read_region_stream_1 bus_space_read_region_1 #define bus_space_read_region_stream_2 bus_space_read_region_2 #define bus_space_read_region_stream_4 bus_space_read_region_4 #define bus_space_read_region_stream_8 bus_space_read_region_8 #define bus_space_write_stream_1 bus_space_write_1 #define bus_space_write_stream_2 bus_space_write_2 #define bus_space_write_stream_4 bus_space_write_4 #define bus_space_write_stream_8 bus_space_write_8 #define bus_space_write_multi_stream_1 bus_space_write_multi_1 #define bus_space_write_multi_stream_2 bus_space_write_multi_2 #define bus_space_write_multi_stream_4 bus_space_write_multi_4 #define bus_space_write_multi_stream_8 bus_space_write_multi_8 #define bus_space_write_region_stream_1 bus_space_write_region_1 #define bus_space_write_region_stream_2 bus_space_write_region_2 #define bus_space_write_region_stream_4 bus_space_write_region_4 #define bus_space_write_region_stream_8 bus_space_write_region_8 /* * 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: the 680x0 does not currently require barriers, but we must * provide the flags to MI code. */ #define bus_space_barrier(t, h, o, l, f) \ ((void)((void)(t), (void)(h), (void)(o), (void)(l), (void)(f))) #define BUS_SPACE_BARRIER_READ 0x01 /* force read barrier */ #define BUS_SPACE_BARRIER_WRITE 0x02 /* force write barrier */ #define BUS_SPACE_ALIGNED_POINTER(p, t) ALIGNED_POINTER(p, t) /* * There is no bus_dma(9)'fied bus drivers on this port. */ #define __HAVE_NO_BUS_DMA #endif /* _HP300_BUS_H_ */