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Diffstat (limited to 'hw/sbi.c')
-rw-r--r--hw/sbi.c33
1 files changed, 16 insertions, 17 deletions
diff --git a/hw/sbi.c b/hw/sbi.c
index 53f66f2c5e..2f64d593e2 100644
--- a/hw/sbi.c
+++ b/hw/sbi.c
@@ -39,6 +39,7 @@
typedef struct SBIState {
SysBusDevice busdev;
+ MemoryRegion iomem;
uint32_t regs[SBI_NREGS];
uint32_t intreg_pending[MAX_CPUS];
qemu_irq cpu_irqs[MAX_CPUS];
@@ -51,7 +52,8 @@ static void sbi_set_irq(void *opaque, int irq, int level)
{
}
-static uint32_t sbi_mem_readl(void *opaque, target_phys_addr_t addr)
+static uint64_t sbi_mem_read(void *opaque, target_phys_addr_t addr,
+ unsigned size)
{
SBIState *s = opaque;
uint32_t saddr, ret;
@@ -67,13 +69,14 @@ static uint32_t sbi_mem_readl(void *opaque, target_phys_addr_t addr)
return ret;
}
-static void sbi_mem_writel(void *opaque, target_phys_addr_t addr, uint32_t val)
+static void sbi_mem_write(void *opaque, target_phys_addr_t addr,
+ uint64_t val, unsigned dize)
{
SBIState *s = opaque;
uint32_t saddr;
saddr = addr >> 2;
- DPRINTF("write system reg 0x" TARGET_FMT_plx " = %x\n", addr, val);
+ DPRINTF("write system reg 0x" TARGET_FMT_plx " = %x\n", addr, (int)val);
switch (saddr) {
default:
s->regs[saddr] = val;
@@ -81,16 +84,14 @@ static void sbi_mem_writel(void *opaque, target_phys_addr_t addr, uint32_t val)
}
}
-static CPUReadMemoryFunc * const sbi_mem_read[3] = {
- NULL,
- NULL,
- sbi_mem_readl,
-};
-
-static CPUWriteMemoryFunc * const sbi_mem_write[3] = {
- NULL,
- NULL,
- sbi_mem_writel,
+static const MemoryRegionOps sbi_mem_ops = {
+ .read = sbi_mem_read,
+ .write = sbi_mem_write,
+ .endianness = DEVICE_NATIVE_ENDIAN,
+ .valid = {
+ .min_access_size = 4,
+ .max_access_size = 4,
+ },
};
static const VMStateDescription vmstate_sbi = {
@@ -117,7 +118,6 @@ static void sbi_reset(DeviceState *d)
static int sbi_init1(SysBusDevice *dev)
{
SBIState *s = FROM_SYSBUS(SBIState, dev);
- int sbi_io_memory;
unsigned int i;
qdev_init_gpio_in(&dev->qdev, sbi_set_irq, 32 + MAX_CPUS);
@@ -125,9 +125,8 @@ static int sbi_init1(SysBusDevice *dev)
sysbus_init_irq(dev, &s->cpu_irqs[i]);
}
- sbi_io_memory = cpu_register_io_memory(sbi_mem_read, sbi_mem_write, s,
- DEVICE_NATIVE_ENDIAN);
- sysbus_init_mmio(dev, SBI_SIZE, sbi_io_memory);
+ memory_region_init_io(&s->iomem, &sbi_mem_ops, s, "sbi", SBI_SIZE);
+ sysbus_init_mmio_region(dev, &s->iomem);
return 0;
}