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[Qemu-devel] [PATCH 03/10] hw/arm_sysctl: Implement SYS_CFG_MUXFPGA writ
From: |
Peter Maydell |
Subject: |
[Qemu-devel] [PATCH 03/10] hw/arm_sysctl: Implement SYS_CFG_MUXFPGA writes as a no-op |
Date: |
Mon, 4 Feb 2013 13:44:29 +0000 |
SYS_CFG_MUXFPGA allows the guest to select whether the
video output should come from the motherboard's LCD
controller or the daughterboard's one. Since QEMU doesn't
currently support selecting the video output like this,
implement as a no-op, so Linux doesn't complain about
the register not being implemented.
Signed-off-by: Peter Maydell <address@hidden>
---
hw/arm_sysctl.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/hw/arm_sysctl.c b/hw/arm_sysctl.c
index 64e9ad5..960b664 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();
--
1.7.9.5
- [Qemu-devel] [PATCH 00/10] vexpress: implement more SYS_CFG registers (feat. qdev property arrays), Peter Maydell, 2013/02/04
- [Qemu-devel] [PATCH 05/10] hw/arm_sysctl: Convert from qdev init to instance_init, Peter Maydell, 2013/02/04
- [Qemu-devel] [PATCH 06/10] qdev: Implement (variable length) array properties, Peter Maydell, 2013/02/04
- [Qemu-devel] [PATCH 07/10] hw/arm_sysctl: Implement SYS_CFG_VOLT, Peter Maydell, 2013/02/04
- [Qemu-devel] [PATCH 09/10] hw/arm_sysctl: Implement SYS_CFG_OSC function, Peter Maydell, 2013/02/04
- [Qemu-devel] [PATCH 03/10] hw/arm_sysctl: Implement SYS_CFG_MUXFPGA writes as a no-op,
Peter Maydell <=
- [Qemu-devel] [PATCH 01/10] hw/vexpress: Pass proc_id via VEDBoardInfo, Peter Maydell, 2013/02/04
- [Qemu-devel] [PATCH 10/10] hw/vexpress: Set reset values for daughterboard oscillators, Peter Maydell, 2013/02/04
- [Qemu-devel] [PATCH 02/10] hw/arm_sysctl: Handle SYS_CFGCTRL in a more structured way, Peter Maydell, 2013/02/04
- [Qemu-devel] [PATCH 08/10] hw/vexpress: Pass voltage sensor properties to sysctl device, Peter Maydell, 2013/02/04
- [Qemu-devel] [PATCH 04/10] hw/arm_sysctl: Implement SYS_CFG_DVIMODE as a no-op, Peter Maydell, 2013/02/04