Commit 2d3b9895 authored by Gerd Hoffmann's avatar Gerd Hoffmann Committed by Anthony Liguori
Browse files

acpi: add dummy write function for acpi timer 

Otherwise the guest can crash qemu (NULL pointer dereference).

https://bugzilla.redhat.com/show_bug.cgi?id=947691



Signed-off-by: default avatarGerd Hoffmann <kraxel@redhat.com>
Reviewed-by: default avatarLaszlo Ersek <lersek@redhat.com>
Message-id: 1368534544-11826-1-git-send-email-kraxel@redhat.com
Signed-off-by: default avatarAnthony Liguori <aliguori@us.ibm.com>
parent 03587328

hw/acpi/core.c

+7 −0
Original line number Diff line number Diff line
@@ -462,8 +462,15 @@ static uint64_t acpi_pm_tmr_read(void *opaque, hwaddr addr, unsigned width) 
    return acpi_pm_tmr_get(opaque);

}



static void acpi_pm_tmr_write(void *opaque, hwaddr addr, uint64_t val,

                              unsigned width)

{

    /* nothing */

}



static const MemoryRegionOps acpi_pm_tmr_ops = {

    .read = acpi_pm_tmr_read,

    .write = acpi_pm_tmr_write,

    .valid.min_access_size = 4,

    .valid.max_access_size = 4,

    .endianness = DEVICE_LITTLE_ENDIAN,