diff options
-rw-r--r-- | hw/intc/apic.c | 42 |
1 files changed, 18 insertions, 24 deletions
diff --git a/hw/intc/apic.c b/hw/intc/apic.c index 6fda52b..97ffdd8 100644 --- a/hw/intc/apic.c +++ b/hw/intc/apic.c @@ -650,31 +650,17 @@ static void apic_timer(void *opaque) apic_timer_update(s, s->next_time); } -static uint32_t apic_mem_readb(void *opaque, hwaddr addr) -{ - return 0; -} - -static uint32_t apic_mem_readw(void *opaque, hwaddr addr) -{ - return 0; -} - -static void apic_mem_writeb(void *opaque, hwaddr addr, uint32_t val) -{ -} - -static void apic_mem_writew(void *opaque, hwaddr addr, uint32_t val) -{ -} - -static uint32_t apic_mem_readl(void *opaque, hwaddr addr) +static uint64_t apic_mem_read(void *opaque, hwaddr addr, unsigned size) { DeviceState *dev; APICCommonState *s; uint32_t val; int index; + if (size < 4) { + return 0; + } + dev = cpu_get_current_apic(); if (!dev) { return 0; @@ -765,11 +751,17 @@ static void apic_send_msi(MSIMessage *msi) apic_deliver_irq(dest, dest_mode, delivery, vector, trigger_mode); } -static void apic_mem_writel(void *opaque, hwaddr addr, uint32_t val) +static void apic_mem_write(void *opaque, hwaddr addr, uint64_t val, + unsigned size) { DeviceState *dev; APICCommonState *s; int index = (addr >> 4) & 0xff; + + if (size < 4) { + return; + } + if (addr > 0xfff || !index) { /* MSI and MMIO APIC are at the same memory location, * but actually not on the global bus: MSI is on PCI bus @@ -880,10 +872,12 @@ static void apic_post_load(APICCommonState *s) } static const MemoryRegionOps apic_io_ops = { - .old_mmio = { - .read = { apic_mem_readb, apic_mem_readw, apic_mem_readl, }, - .write = { apic_mem_writeb, apic_mem_writew, apic_mem_writel, }, - }, + .read = apic_mem_read, + .write = apic_mem_write, + .impl.min_access_size = 1, + .impl.max_access_size = 4, + .valid.min_access_size = 1, + .valid.max_access_size = 4, .endianness = DEVICE_NATIVE_ENDIAN, }; |