Il 12/12/2012 16:23, Gerd Hoffmann ha scritto: > When present it makes qemu exit on any write. > Mapped to port 0x501 by default. > > Without this patch Anthony doesn't allow me to > remove the bochs bios debug ports because his > test suite uses this.
Wasn't this patch submitted already by Herve' first and Lucas second? :) Lucas, what happened to your testdev patches? Paolo > Signed-off-by: Gerd Hoffmann <kra...@redhat.com> > --- > hw/debugexit.c | 71 > +++++++++++++++++++++++++++++++++++++++++++++++++ > hw/i386/Makefile.objs | 2 +- > 2 files changed, 72 insertions(+), 1 deletions(-) > create mode 100644 hw/debugexit.c > > diff --git a/hw/debugexit.c b/hw/debugexit.c > new file mode 100644 > index 0000000..e1f7570 > --- /dev/null > +++ b/hw/debugexit.c > @@ -0,0 +1,71 @@ > +/* > + * This program is free software; you can redistribute it and/or > + * modify it under the terms of the GNU General Public License as > + * published by the Free Software Foundation; either version 2 or > + * (at your option) version 3 of the License. > + */ > + > +#include "hw.h" > +#include "isa.h" > + > +#define TYPE_ISA_DEBUG_EXIT_DEVICE "isa-debug-exit" > +#define ISA_DEBUG_EXIT_DEVICE(obj) \ > + OBJECT_CHECK(ISADebugExitState, (obj), TYPE_ISA_DEBUG_EXIT_DEVICE) > + > +typedef struct ISADebugExitState { > + ISADevice parent_obj; > + > + uint32_t iobase; > + MemoryRegion io; > +} ISADebugExitState; > + > +static void debug_exit_write(void *opaque, hwaddr addr, uint64_t val, > + unsigned width) > +{ > + exit((val << 1) | 1); > +} > + > +static const MemoryRegionOps debug_exit_ops = { > + .write = debug_exit_write, > + .valid.min_access_size = 1, > + .valid.max_access_size = 1, > + .endianness = DEVICE_LITTLE_ENDIAN, > +}; > + > +static int debug_exit_initfn(ISADevice *dev) > +{ > + ISADebugExitState *isa = ISA_DEBUG_EXIT_DEVICE(dev); > + > + memory_region_init_io(&isa->io, &debug_exit_ops, isa, > + TYPE_ISA_DEBUG_EXIT_DEVICE, 1); > + memory_region_add_subregion(isa_address_space_io(dev), > + isa->iobase, &isa->io); > + return 0; > +} > + > +static Property debug_exit_properties[] = { > + DEFINE_PROP_HEX32("iobase", ISADebugExitState, iobase, 0x501), > + DEFINE_PROP_END_OF_LIST(), > +}; > + > +static void debug_exit_class_initfn(ObjectClass *klass, void *data) > +{ > + DeviceClass *dc = DEVICE_CLASS(klass); > + ISADeviceClass *ic = ISA_DEVICE_CLASS(klass); > + ic->init = debug_exit_initfn; > + dc->props = debug_exit_properties; > +} > + > +static TypeInfo debug_exit_info = { > + .name = TYPE_ISA_DEBUG_EXIT_DEVICE, > + .parent = TYPE_ISA_DEVICE, > + .instance_size = sizeof(ISADebugExitState), > + .class_init = debug_exit_class_initfn, > +}; > + > +static void debug_exit_register_types(void) > +{ > + type_register_static(&debug_exit_info); > +} > + > +type_init(debug_exit_register_types) > diff --git a/hw/i386/Makefile.objs b/hw/i386/Makefile.objs > index 0d3f6a8..56aaa9d 100644 > --- a/hw/i386/Makefile.objs > +++ b/hw/i386/Makefile.objs > @@ -3,7 +3,7 @@ obj-y += apic_common.o apic.o kvmvapic.o > obj-y += sga.o ioapic_common.o ioapic.o piix_pci.o > obj-y += vmport.o > obj-y += pci-hotplug.o smbios.o wdt_ib700.o > -obj-y += debugcon.o multiboot.o > +obj-y += debugcon.o debugexit.o multiboot.o > obj-y += pc_piix.o > obj-y += pc_sysfw.o > obj-y += lpc_ich9.o q35.o pc_q35.o >