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-rw-r--r--hw/arm_sysctl.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/hw/arm_sysctl.c b/hw/arm_sysctl.c
index 05a3200c63..a6e5ed4cc1 100644
--- a/hw/arm_sysctl.c
+++ b/hw/arm_sysctl.c
@@ -272,6 +272,17 @@ static bool vexpress_cfgctrl_write(arm_sysctl_state *s, unsigned int dcc,
}
switch (function) {
+ case SYS_CFG_MUXFPGA:
+ if (site == SYS_CFG_SITE_MB && device == 0) {
+ /* Select whether video output comes from motherboard
+ * or daughterboard: log and ignore as QEMU doesn't
+ * support this.
+ */
+ qemu_log_mask(LOG_UNIMP, "arm_sysctl: selection of video output "
+ "not supported, ignoring\n");
+ return true;
+ }
+ break;
case SYS_CFG_SHUTDOWN:
if (site == SYS_CFG_SITE_MB && device == 0) {
qemu_system_shutdown_request();