diff mbox series

[2/8] hw: debugexit: add read callback

Message ID 20180912160118.21158-3-liq3ea@163.com
State New
Headers show
Series Add missed read callback for some memory region | expand

Commit Message

Li Qiang Sept. 12, 2018, 4:01 p.m. UTC 
From: Li Qiang <liq3ea@gmail.com>

Signed-off-by: Li Qiang <liq3ea@gmail.com>
---
 hw/misc/debugexit.c | 6 ++++++
 1 file changed, 6 insertions(+)
diff mbox series

Patch

diff --git a/hw/misc/debugexit.c b/hw/misc/debugexit.c
index 84fa1a5b9d..bed293247e 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,