diff options
Diffstat (limited to 'hw/pc.c')
-rw-r--r-- | hw/pc.c | 12 |
1 files changed, 12 insertions, 0 deletions
@@ -103,6 +103,11 @@ static void ioport80_write(void *opaque, hwaddr addr, uint64_t data, { } +static uint64_t ioport80_read(void *opaque, hwaddr addr, unsigned size) +{ + return 0xffffffffffffffff; +} + /* MSDOS compatibility mode FPU exception support */ static qemu_irq ferr_irq; @@ -123,6 +128,11 @@ static void ioportF0_write(void *opaque, hwaddr addr, uint64_t data, qemu_irq_lower(ferr_irq); } +static uint64_t ioportF0_read(void *opaque, hwaddr addr, unsigned size) +{ + return 0xffffffffffffffff; +} + /* TSC handling */ uint64_t cpu_get_tsc(CPUX86State *env) { @@ -960,6 +970,7 @@ static void cpu_request_exit(void *opaque, int irq, int level) static const MemoryRegionOps ioport80_io_ops = { .write = ioport80_write, + .read = ioport80_read, .endianness = DEVICE_NATIVE_ENDIAN, .impl = { .min_access_size = 1, @@ -969,6 +980,7 @@ static const MemoryRegionOps ioport80_io_ops = { static const MemoryRegionOps ioportF0_io_ops = { .write = ioportF0_write, + .read = ioportF0_read, .endianness = DEVICE_NATIVE_ENDIAN, .impl = { .min_access_size = 1, |