Provide an accessor function serial_hd() to return the Chardev
(if any) associated with the numbered serial port. This will
be used to replace direct accesses to the serial_hds[] array,
so that calling code doesn't need to care about the size of
that array.
Signed-off-by: Peter Maydell <peter.mayd...@linaro.org>
---
include/sysemu/sysemu.h | 3 +++
vl.c | 9 +++++++++
2 files changed, 12 insertions(+)
diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h
index 2b42151c63..bd5b55c514 100644
--- a/include/sysemu/sysemu.h
+++ b/include/sysemu/sysemu.h
@@ -163,6 +163,9 @@ void hmp_pcie_aer_inject_error(Monitor *mon, const QDict
*qdict);
extern Chardev *serial_hds[MAX_SERIAL_PORTS];
+/* Return the Chardev for serial port i, or NULL if none */
+Chardev *serial_hd(int i);
+
/* parallel ports */
#define MAX_PARALLEL_PORTS 3
diff --git a/vl.c b/vl.c
index fce1fd12d8..6daf026da6 100644
--- a/vl.c
+++ b/vl.c
@@ -2516,6 +2516,15 @@ static int serial_parse(const char *devname)
return 0;
}
+Chardev *serial_hd(int i)
+{
+ assert(i >= 0);
+ if (i < ARRAY_SIZE(serial_hds)) {
+ return serial_hds[i];
+ }
+ return NULL;
+}
+
static int parallel_parse(const char *devname)
{
static int index = 0;
--
2.17.0
