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authorLi Qiang <liq3ea@gmail.com>2018-09-12 09:01:12 -0700
committerPaolo Bonzini <pbonzini@redhat.com>2018-10-02 19:09:03 +0200
commitaf71743ad6c475b682c21767202e6b005894c795 (patch)
treea82e0f4f6e1d8f1eb134610d2c7c18b5df605ccb /hw/misc
parent2247936a043a609a156cf90c9f346254c48169e4 (diff)
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hw: debugexit: add read callback
Signed-off-by: Li Qiang <liq3ea@gmail.com> Message-Id: <20180912160118.21158-3-liq3ea@163.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'hw/misc')
-rw-r--r--hw/misc/debugexit.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/hw/misc/debugexit.c b/hw/misc/debugexit.c
index 84fa1a5..bed2932 100644
--- a/hw/misc/debugexit.c
+++ b/hw/misc/debugexit.c
@@ -23,6 +23,11 @@ typedef struct ISADebugExitState {
MemoryRegion io;
} ISADebugExitState;
+static uint64_t debug_exit_read(void *opaque, hwaddr addr, unsigned size)
+{
+ return 0;
+}
+
static void debug_exit_write(void *opaque, hwaddr addr, uint64_t val,
unsigned width)
{
@@ -30,6 +35,7 @@ static void debug_exit_write(void *opaque, hwaddr addr, uint64_t val,
}
static const MemoryRegionOps debug_exit_ops = {
+ .read = debug_exit_read,
.write = debug_exit_write,
.valid.min_access_size = 1,
.valid.max_access_size = 4,