diff options
| -rw-r--r-- | hw/isa.h | 2 | ||||
| -rw-r--r-- | hw/isa_mmio.c | 29 |
2 files changed, 16 insertions, 15 deletions
@@ -4,6 +4,7 @@ /* ISA bus */ #include "ioport.h" +#include "memory.h" #include "qdev.h" typedef struct ISABus ISABus; @@ -37,6 +38,7 @@ ISADevice *isa_create_simple(const char *name); extern target_phys_addr_t isa_mem_base; +void isa_mmio_setup(MemoryRegion *mr, target_phys_addr_t size); void isa_mmio_init(target_phys_addr_t base, target_phys_addr_t size); /* dma.c */ diff --git a/hw/isa_mmio.c b/hw/isa_mmio.c index ca957fb01..3d2af1a63 100644 --- a/hw/isa_mmio.c +++ b/hw/isa_mmio.c @@ -24,6 +24,7 @@ #include "hw.h" #include "isa.h" +#include "exec-memory.h" static void isa_mmio_writeb (void *opaque, target_phys_addr_t addr, uint32_t val) @@ -58,25 +59,23 @@ static uint32_t isa_mmio_readl(void *opaque, target_phys_addr_t addr) return cpu_inl(addr & IOPORTS_MASK); } -static CPUWriteMemoryFunc * const isa_mmio_write[] = { - &isa_mmio_writeb, - &isa_mmio_writew, - &isa_mmio_writel, +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, }; -static CPUReadMemoryFunc * const isa_mmio_read[] = { - &isa_mmio_readb, - &isa_mmio_readw, - &isa_mmio_readl, -}; +void isa_mmio_setup(MemoryRegion *mr, target_phys_addr_t size) +{ + memory_region_init_io(mr, &isa_mmio_ops, NULL, "isa-mmio", size); +} void isa_mmio_init(target_phys_addr_t base, target_phys_addr_t size) { - int isa_mmio_iomemtype; + MemoryRegion *mr = qemu_malloc(sizeof(*mr)); - isa_mmio_iomemtype = cpu_register_io_memory(isa_mmio_read, - isa_mmio_write, - NULL, - DEVICE_LITTLE_ENDIAN); - cpu_register_physical_memory(base, size, isa_mmio_iomemtype); + isa_mmio_setup(mr, size); + memory_region_add_subregion(get_system_memory(), base, mr); } |