| Message ID | 20200510210128.18343-9-f4bug@amsat.org |
|---|---|
| State | New |
| Headers | show |
| Series | hw/mips/fuloong2e: PoC to fix hang after reboot | expand |
нед, 10. мај 2020. у 23:01 Philippe Mathieu-Daudé <f4bug@amsat.org> је написао/ла: > > 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. > > Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> > --- > hw/pci-host/bonito.c | 3 +++ > hw/pci-host/Kconfig | 1 + > 2 files changed, 4 insertions(+) > Reviewed-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com> > diff --git a/hw/pci-host/bonito.c b/hw/pci-host/bonito.c > index 7ed462ffb5..9761780f44 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 >
diff --git a/hw/pci-host/bonito.c b/hw/pci-host/bonito.c index 7ed462ffb5..9761780f44 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
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. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> --- hw/pci-host/bonito.c | 3 +++ hw/pci-host/Kconfig | 1 + 2 files changed, 4 insertions(+)