diff options
Diffstat (limited to 'hw/isa/isa_mmio.c')
-rw-r--r-- | hw/isa/isa_mmio.c | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/hw/isa/isa_mmio.c b/hw/isa/isa_mmio.c deleted file mode 100644 index 00ae8ebc2e..0000000000 --- a/hw/isa/isa_mmio.c +++ /dev/null @@ -1,81 +0,0 @@ -/* - * 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/hw.h" -#include "hw/isa/isa.h" -#include "exec/address-spaces.h" - -static void isa_mmio_writeb (void *opaque, hwaddr addr, - uint32_t val) -{ - cpu_outb(addr & IOPORTS_MASK, val); -} - -static void isa_mmio_writew(void *opaque, hwaddr addr, - uint32_t val) -{ - cpu_outw(addr & IOPORTS_MASK, val); -} - -static void isa_mmio_writel(void *opaque, hwaddr addr, - uint32_t val) -{ - cpu_outl(addr & IOPORTS_MASK, val); -} - -static uint32_t isa_mmio_readb (void *opaque, hwaddr addr) -{ - return cpu_inb(addr & IOPORTS_MASK); -} - -static uint32_t isa_mmio_readw(void *opaque, hwaddr addr) -{ - return cpu_inw(addr & IOPORTS_MASK); -} - -static uint32_t isa_mmio_readl(void *opaque, hwaddr addr) -{ - return cpu_inl(addr & IOPORTS_MASK); -} - -static const MemoryRegionOps isa_mmio_ops = { - .old_mmio = { - .write = { isa_mmio_writeb, isa_mmio_writew, isa_mmio_writel }, - .read = { isa_mmio_readb, isa_mmio_readw, isa_mmio_readl, }, - }, - .endianness = DEVICE_LITTLE_ENDIAN, -}; - -void isa_mmio_setup(MemoryRegion *mr, hwaddr size) -{ - memory_region_init_io(mr, NULL, &isa_mmio_ops, NULL, "isa-mmio", size); -} - -void isa_mmio_init(hwaddr base, hwaddr size) -{ - MemoryRegion *mr = g_malloc(sizeof(*mr)); - - isa_mmio_setup(mr, size); - memory_region_add_subregion(get_system_memory(), base, mr); -} |