/* $NetBSD: amiga_bus_simple_1word.c,v 1.9 2014/08/06 14:23:53 joerg Exp $ */ /*- * Copyright (c) 1999 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Ignatios Souvatzis. * * 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. */ #include #include #include #include #include #include __KERNEL_RCSID(1, "$NetBSD: amiga_bus_simple_1word.c,v 1.9 2014/08/06 14:23:53 joerg Exp $"); #define AMIGA_SIMPLE_BUS_STRIDE 1 /* 1 byte per byte */ #define AMIGA_SIMPLE_BUS_WORD_METHODS #define AMIGA_SIMPLE_BUS_LONGWORD_METHODS #include "simple_busfuncs.c" bsr(oabs(bsr2_swap_), u_int16_t); bsw(oabs(bsw2_swap_), u_int16_t); bsr(oabs(bsr4_swap_), u_int32_t); bsw(oabs(bsw4_swap_), u_int32_t); bsrm(oabs(bsrm2_swap_), u_int16_t); bswm(oabs(bswm2_swap_), u_int16_t); int oabs(bsm_absolute_)(bus_space_tag_t, bus_addr_t, bus_size_t, int, bus_space_handle_t *); /* ARGSUSED */ int oabs(bsm_absolute_)(bus_space_tag_t tag, bus_addr_t address, bus_size_t size, int flags, bus_space_handle_t *handlep) { uint32_t pa = kvtop((void*) tag->base); *handlep = tag->base + (address - pa) * AMIGA_SIMPLE_BUS_STRIDE; return 0; } /* ARGSUSED */ u_int16_t oabs(bsr2_swap_)(bus_space_handle_t handle, bus_size_t offset) { volatile u_int16_t *p; u_int16_t x; p = (volatile u_int16_t *)(handle + offset * AMIGA_SIMPLE_BUS_STRIDE); x = *p; amiga_bus_reorder_protect(); return bswap16(x); } /* ARGSUSED */ void oabs(bsw2_swap_)(bus_space_handle_t handle, bus_size_t offset, unsigned value) { volatile u_int16_t *p; p = (volatile u_int16_t *)(handle + offset * AMIGA_SIMPLE_BUS_STRIDE); *p = bswap16( (u_int16_t)value ); amiga_bus_reorder_protect(); } /* ARGSUSED */ u_int32_t oabs(bsr4_swap_)(bus_space_handle_t handle, bus_size_t offset) { volatile u_int32_t *p; u_int32_t x; p = (volatile u_int32_t *)(handle + offset * AMIGA_SIMPLE_BUS_STRIDE); x = *p; amiga_bus_reorder_protect(); return bswap32(x); } /* ARGSUSED */ void oabs(bsw4_swap_)(bus_space_handle_t handle, bus_size_t offset, unsigned value) { volatile u_int32_t *p; p = (volatile u_int32_t *)(handle + offset * AMIGA_SIMPLE_BUS_STRIDE); *p = bswap32( (u_int32_t)value ); amiga_bus_reorder_protect(); } /* ARGSUSED */ void oabs(bsrm2_swap_)(bus_space_handle_t handle, bus_size_t offset, u_int16_t *pointer, bus_size_t count) { volatile u_int16_t *p; p = (volatile u_int16_t *)(handle + offset * AMIGA_SIMPLE_BUS_STRIDE); while (count > 0) { *pointer++ = bswap16(*p); amiga_bus_reorder_protect(); --count; } } /* ARGSUSED */ void oabs(bswm2_swap_)(bus_space_handle_t handle, bus_size_t offset, const u_int16_t *pointer, bus_size_t count) { volatile u_int16_t *p; p = (volatile u_int16_t *)(handle + offset * AMIGA_SIMPLE_BUS_STRIDE); while (count > 0) { *p = bswap16(*pointer); amiga_bus_reorder_protect(); ++pointer; --count; } } const struct amiga_bus_space_methods amiga_bus_stride_1swap_abs = { .bsm = oabs(bsm_absolute_), .bsms = oabs(bsms_), .bsu = oabs(bsu_), .bsa = NULL, .bsf = NULL, .bsr1 = oabs(bsr1_), .bsw1 = oabs(bsw1_), .bsrm1 = oabs(bsrm1_), .bswm1 = oabs(bswm1_), .bsrr1 = oabs(bsrr1_), .bswr1 = oabs(bswr1_), .bssr1 = oabs(bssr1_), .bscr1 = oabs(bscr1_), .bsr2 = oabs(bsr2_), /* XXX swap? */ .bsw2 = oabs(bsw2_), /* XXX swap? */ .bsrs2 = oabs(bsr2_), .bsws2 = oabs(bsw2_), .bsrm2 = oabs(bsrm2_swap_), .bswm2 = oabs(bswm2_swap_), .bsrms2 = oabs(bsrm2_), .bswms2 = oabs(bswm2_), .bsrr2 = oabs(bsrr2_), /* XXX swap? */ .bswr2 = oabs(bswr2_), /* XXX swap? */ .bssr2 = oabs(bssr2_), /* XXX swap? */ .bscr2 = oabs(bscr2_), /* XXX swap? */ .bsr4 = oabs(bsr4_swap_), .bsw4 = oabs(bsw4_swap_), .bsrs4 = oabs(bsr4_), .bsws4 = oabs(bsw4_), .bsrm4 = oabs(bsrm4_), /* XXX swap? */ .bswm4 = oabs(bswm4_), /* XXX swap? */ .bsrms4 = oabs(bsrm4_), .bswms4 = oabs(bswm4_), .bsrr4 = oabs(bsrr4_), /* XXX swap? */ .bswr4 = oabs(bswr4_), /* XXX swap? */ .bsrrs4 = oabs(bsrr4_), .bswrs4 = oabs(bswr4_), .bssr4 = oabs(bssr4_), /* XXX swap? */ .bscr4 = oabs(bscr4_) /* XXX swap? */ }; const struct amiga_bus_space_methods amiga_bus_stride_1swap = { .bsm = oabs(bsm_), .bsms = oabs(bsms_), .bsu = oabs(bsu_), .bsa = NULL, .bsf = NULL, .bsr1 = oabs(bsr1_), .bsw1 = oabs(bsw1_), .bsrm1 = oabs(bsrm1_), .bswm1 = oabs(bswm1_), .bsrr1 = oabs(bsrr1_), .bswr1 = oabs(bswr1_), .bssr1 = oabs(bssr1_), .bscr1 = oabs(bscr1_), .bsr2 = oabs(bsr2_swap_), .bsw2 = oabs(bsw2_swap_), .bsrs2 = oabs(bsr2_), .bsws2 = oabs(bsw2_), .bsrm2 = oabs(bsrm2_swap_), .bswm2 = oabs(bswm2_swap_), .bsrms2 = oabs(bsrm2_), .bswms2 = oabs(bswm2_), .bsrr2 = oabs(bsrr2_), /* XXX swap? */ .bswr2 = oabs(bswr2_), /* XXX swap? */ .bsrrs2 = oabs(bsrr2_), .bswrs2 = oabs(bswr2_), .bssr2 = oabs(bssr2_), /* XXX swap? */ .bscr2 = oabs(bscr2_), /* XXX swap? */ .bsr4 = oabs(bsr4_swap_), .bsw4 = oabs(bsw4_swap_), .bsrs4 = oabs(bsr4_), .bsws4 = oabs(bsw4_), .bsrm4 = oabs(bsrm4_), /* XXX swap? */ .bswm4 = oabs(bswm4_), /* XXX swap? */ .bsrms4 = oabs(bsrm4_), .bswms4 = oabs(bswm4_), .bsrr4 = oabs(bsrr4_), /* XXX swap? */ .bswr4 = oabs(bswr4_), /* XXX swap? */ .bsrrs4 = oabs(bsrr4_), .bswrs4 = oabs(bswr4_), .bssr4 = oabs(bssr4_), /* XXX swap? */ .bscr4 = oabs(bscr4_) /* XXX swap? */ };