2 * Memory mapped access to ISA IO space.
4 * Copyright (c) 2006 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
28 static void isa_mmio_writeb (void *opaque, target_phys_addr_t addr,
31 cpu_outb(addr & IOPORTS_MASK, val);
34 static void isa_mmio_writew_be(void *opaque, target_phys_addr_t addr,
38 cpu_outw(addr & IOPORTS_MASK, val);
41 static void isa_mmio_writew_le(void *opaque, target_phys_addr_t addr,
44 cpu_outw(addr & IOPORTS_MASK, val);
47 static void isa_mmio_writel_be(void *opaque, target_phys_addr_t addr,
51 cpu_outl(addr & IOPORTS_MASK, val);
54 static void isa_mmio_writel_le(void *opaque, target_phys_addr_t addr,
57 cpu_outl(addr & IOPORTS_MASK, val);
60 static uint32_t isa_mmio_readb (void *opaque, target_phys_addr_t addr)
64 val = cpu_inb(addr & IOPORTS_MASK);
68 static uint32_t isa_mmio_readw_be(void *opaque, target_phys_addr_t addr)
72 val = cpu_inw(addr & IOPORTS_MASK);
77 static uint32_t isa_mmio_readw_le(void *opaque, target_phys_addr_t addr)
81 val = cpu_inw(addr & IOPORTS_MASK);
85 static uint32_t isa_mmio_readl_be(void *opaque, target_phys_addr_t addr)
89 val = cpu_inl(addr & IOPORTS_MASK);
94 static uint32_t isa_mmio_readl_le(void *opaque, target_phys_addr_t addr)
98 val = cpu_inl(addr & IOPORTS_MASK);
102 static CPUWriteMemoryFunc * const isa_mmio_write_be[] = {
108 static CPUReadMemoryFunc * const isa_mmio_read_be[] = {
114 static CPUWriteMemoryFunc * const isa_mmio_write_le[] = {
120 static CPUReadMemoryFunc * const isa_mmio_read_le[] = {
126 static int isa_mmio_iomemtype = 0;
128 void isa_mmio_init(target_phys_addr_t base, target_phys_addr_t size, int be)
130 if (!isa_mmio_iomemtype) {
132 isa_mmio_iomemtype = cpu_register_io_memory(isa_mmio_read_be,
136 isa_mmio_iomemtype = cpu_register_io_memory(isa_mmio_read_le,
141 cpu_register_physical_memory(base, size, isa_mmio_iomemtype);