To ease following guest accesses to the Bonito64 chipset,
map its I/O range as UnimplementedDevice.
We can now see the accesses to unimplemented peripheral
using the '-d unimp' command line option.
Reviewed-by: Aleksandar Markovic <aleksandar.qemu.devel@xxxxxxxxx>
Message-id: <20200510210128.18343-9-f4bug@xxxxxxxxx>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@xxxxxxxxx>
---
hw/pci-host/bonito.c | 3 +++
hw/pci-host/Kconfig | 1 +
2 files changed, 4 insertions(+)
diff --git a/hw/pci-host/bonito.c b/hw/pci-host/bonito.c
index b90e5a636d..f09bb1c6a8 100644
--- a/hw/pci-host/bonito.c
+++ b/hw/pci-host/bonito.c
@@ -48,6 +48,7 @@
#include "sysemu/reset.h"
#include "sysemu/runstate.h"
#include "exec/address-spaces.h"
+#include "hw/misc/unimp.h"
/* #define DEBUG_BONITO */
@@ -644,6 +645,8 @@ static void bonito_realize(PCIDevice *dev, Error **errp)
sysbus_init_mmio(sysbus, &phb->data_mem);
sysbus_mmio_map(sysbus, 2, BONITO_SPCICONFIG_BASE);
+ create_unimplemented_device("bonito", BONITO_REG_BASE, BONITO_REG_SIZE);
+
memory_region_init_io(&s->iomem_ldma, OBJECT(s), &bonito_ldma_ops, s,
"ldma", 0x100);
sysbus_init_mmio(sysbus, &s->iomem_ldma);
diff --git a/hw/pci-host/Kconfig b/hw/pci-host/Kconfig
index 8db41edc7e..036a61877a 100644
--- a/hw/pci-host/Kconfig
+++ b/hw/pci-host/Kconfig
@@ -58,4 +58,5 @@ config PCI_EXPRESS_DESIGNWARE
config PCI_BONITO
select PCI
+ select UNIMP
bool
--
2.21.3
