/* * Memory mapped access to ISA IO space. * * Copyright (c) 2006 Fabrice Bellard * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */#include "hw.h"#include "isa.h"static void isa_mmio_writeb (void *opaque, target_phys_addr_t addr,                                  uint32_t val){    cpu_outb(NULL, addr & 0xffff, val);}static void isa_mmio_writew (void *opaque, target_phys_addr_t addr,                                  uint32_t val){#ifdef TARGET_WORDS_BIGENDIAN    val = bswap16(val);#endif    cpu_outw(NULL, addr & 0xffff, val);}static void isa_mmio_writel (void *opaque, target_phys_addr_t addr,                                uint32_t val){#ifdef TARGET_WORDS_BIGENDIAN    val = bswap32(val);#endif    cpu_outl(NULL, addr & 0xffff, val);}static uint32_t isa_mmio_readb (void *opaque, target_phys_addr_t addr){    uint32_t val;    val = cpu_inb(NULL, addr & 0xffff);    return val;}static uint32_t isa_mmio_readw (void *opaque, target_phys_addr_t addr){    uint32_t val;    val = cpu_inw(NULL, addr & 0xffff);#ifdef TARGET_WORDS_BIGENDIAN    val = bswap16(val);#endif    return val;}static uint32_t isa_mmio_readl (void *opaque, target_phys_addr_t addr){    uint32_t val;    val = cpu_inl(NULL, addr & 0xffff);#ifdef TARGET_WORDS_BIGENDIAN    val = bswap32(val);#endif    return val;}static CPUWriteMemoryFunc *isa_mmio_write[] = {    &isa_mmio_writeb,    &isa_mmio_writew,    &isa_mmio_writel,};static CPUReadMemoryFunc *isa_mmio_read[] = {    &isa_mmio_readb,    &isa_mmio_readw,    &isa_mmio_readl,};static int isa_mmio_iomemtype = 0;void isa_mmio_init(target_phys_addr_t base, target_phys_addr_t size){    if (!isa_mmio_iomemtype) {        isa_mmio_iomemtype = cpu_register_io_memory(0, isa_mmio_read,                                                    isa_mmio_write, NULL);    }    cpu_register_physical_memory(base, size, isa_mmio_iomemtype);}