fw_cfg_mem: add read memory region callback

Signed-off-by: Li Qiang <liq3ea@gmail.com>
Message-Id: <20180912160118.21158-2-liq3ea@163.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Li Qiang 2018-09-12 09:01:11 -07:00 committed by Paolo Bonzini
parent 9888091404
commit 2247936a04

View File

@ -434,6 +434,11 @@ static bool fw_cfg_data_mem_valid(void *opaque, hwaddr addr,
return addr == 0;
}
static uint64_t fw_cfg_ctl_mem_read(void *opaque, hwaddr addr, unsigned size)
{
return 0;
}
static void fw_cfg_ctl_mem_write(void *opaque, hwaddr addr,
uint64_t value, unsigned size)
{
@ -468,6 +473,7 @@ static bool fw_cfg_comb_valid(void *opaque, hwaddr addr,
}
static const MemoryRegionOps fw_cfg_ctl_mem_ops = {
.read = fw_cfg_ctl_mem_read,
.write = fw_cfg_ctl_mem_write,
.endianness = DEVICE_BIG_ENDIAN,
.valid.accepts = fw_cfg_ctl_mem_valid,