diff options
| author | Thomas Huth <thuth@redhat.com> | 2021-03-26 10:51:55 +0100 |
|---|---|---|
| committer | Gerd Hoffmann <kraxel@redhat.com> | 2021-03-26 11:10:49 +0100 |
| commit | db0b034185824ac33e1a85ba62ab2030eb17b00d (patch) | |
| tree | 9664b24bf16b65228bccd9a6d909fc8d8a1ffeaf /hw/usb/hcd-ehci.c | |
| parent | adcf33a504de29feb720736051dc32889314c9e6 (diff) | |
| download | qemu-db0b034185824ac33e1a85ba62ab2030eb17b00d.zip | |
hw/usb/hcd-ehci: Fix crash when showing help of EHCI devices
QEMU crashes with certain targets when trying to show the help
output of EHCI devices:
$ ./qemu-system-aarch64 -device ich9-usb-ehci1,help
qemu-system-aarch64: ../../devel/qemu/softmmu/physmem.c:1154: phys_section_add:
Assertion `map->sections_nb < TARGET_PAGE_SIZE' failed.
Aborted (core dumped)
This happens because the device is doing things at "instance_init" time
that should be done at "realize" time instead. So move the related code
to the realize() function instead. (NB: This now also matches the
memory_region_del_subregion() calls which are done in usb_ehci_unrealize(),
and not during finalize()).
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20210326095155.1994604-1-thuth@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'hw/usb/hcd-ehci.c')
| -rw-r--r-- | hw/usb/hcd-ehci.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/hw/usb/hcd-ehci.c b/hw/usb/hcd-ehci.c index f71af0ad2d..6caa7ac6c2 100644 --- a/hw/usb/hcd-ehci.c +++ b/hw/usb/hcd-ehci.c @@ -2514,6 +2514,11 @@ void usb_ehci_realize(EHCIState *s, DeviceState *dev, Error **errp) return; } + memory_region_add_subregion(&s->mem, s->capsbase, &s->mem_caps); + memory_region_add_subregion(&s->mem, s->opregbase, &s->mem_opreg); + memory_region_add_subregion(&s->mem, s->opregbase + s->portscbase, + &s->mem_ports); + usb_bus_new(&s->bus, sizeof(s->bus), s->companion_enable ? &ehci_bus_ops_companion : &ehci_bus_ops_standalone, dev); for (i = 0; i < s->portnr; i++) { @@ -2581,11 +2586,6 @@ void usb_ehci_init(EHCIState *s, DeviceState *dev) "operational", s->portscbase); memory_region_init_io(&s->mem_ports, OBJECT(dev), &ehci_mmio_port_ops, s, "ports", 4 * s->portnr); - - memory_region_add_subregion(&s->mem, s->capsbase, &s->mem_caps); - memory_region_add_subregion(&s->mem, s->opregbase, &s->mem_opreg); - memory_region_add_subregion(&s->mem, s->opregbase + s->portscbase, - &s->mem_ports); } void usb_ehci_finalize(EHCIState *s) |