/* * PowerMac descriptor-based DMA emulation * * Copyright (c) 2005-2007 Fabrice Bellard * Copyright (c) 2007 Jocelyn Mayer * * 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 "ppc_mac.h"/* DBDMA: currently no op - should suffice right now */static void dbdma_writeb (void *opaque,                          target_phys_addr_t addr, uint32_t value){    printf("%s: 0x" PADDRX " <= 0x%08x\n", __func__, addr, value);}static void dbdma_writew (void *opaque,                          target_phys_addr_t addr, uint32_t value){}static void dbdma_writel (void *opaque,                          target_phys_addr_t addr, uint32_t value){}static uint32_t dbdma_readb (void *opaque, target_phys_addr_t addr){    printf("%s: 0x" PADDRX " => 0x00000000\n", __func__, addr);    return 0;}static uint32_t dbdma_readw (void *opaque, target_phys_addr_t addr){    return 0;}static uint32_t dbdma_readl (void *opaque, target_phys_addr_t addr){    return 0;}static CPUWriteMemoryFunc *dbdma_write[] = {    &dbdma_writeb,    &dbdma_writew,    &dbdma_writel,};static CPUReadMemoryFunc *dbdma_read[] = {    &dbdma_readb,    &dbdma_readw,    &dbdma_readl,};void dbdma_init (int *dbdma_mem_index){    *dbdma_mem_index = cpu_register_io_memory(0, dbdma_read, dbdma_write, NULL);}