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Laszlo Ersek 56c4bfb3f0 dump: rebase from host-private RAMBlock offsets to guest-physical addresses 
RAMBlock.offset                   --> GuestPhysBlock.target_start
RAMBlock.offset + RAMBlock.length --> GuestPhysBlock.target_end
RAMBlock.length                   --> GuestPhysBlock.target_end -
                                      GuestPhysBlock.target_start

"GuestPhysBlock.host_addr" is only used when writing the dump contents.

This patch enables "crash" to work with the vmcore by rebasing the vmcore
from the left side of the following diagram to the right side:

host-private
offset
relative
to ram_addr   RAMBlock                  guest-visible paddrs
            0 +-------------------+.....+-------------------+ 0
              |         ^         |     |        ^          |
              |       640 KB      |     |      640 KB       |
              |         v         |     |        v          |
  0x0000a0000 +-------------------+.....+-------------------+ 0x0000a0000
              |         ^         |     |XXXXXXXXXXXXXXXXXXX|
              |       384 KB      |     |XXXXXXXXXXXXXXXXXXX|
              |         v         |     |XXXXXXXXXXXXXXXXXXX|
  0x000100000 +-------------------+.....+-------------------+ 0x000100000
              |         ^         |     |        ^          |
              |       3583 MB     |     |      3583 MB      |
              |         v         |     |        v          |
  0x0e0000000 +-------------------+.....+-------------------+ 0x0e0000000
              |         ^         |.    |XXXXXXXXXXXXXXXXXXX|
              | above_4g_mem_size | .   |XXXX PCI hole XXXXX|
              |         v         |  .  |XXXX          XXXXX|
     ram_size +-------------------+   . |XXXX  512 MB  XXXXX|
                                   .   .|XXXXXXXXXXXXXXXXXXX|
                                    .   +-------------------+ 0x100000000
                                     .  |         ^         |
                                      . | above_4g_mem_size |
                                       .|         v         |
                                        +-------------------+ ram_size
                                                              + 512 MB

Related RHBZ: https://bugzilla.redhat.com/show_bug.cgi?id=981582

Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2013-08-08 11:01:46 -04:00
..
block block: Repair the throttling code. 2013-07-29 17:07:37 +02:00
disas Add moxie disassembler 2013-03-23 14:25:41 +00:00
exec exec: Remove env from list of poisoned names 2013-07-27 11:22:54 +04:00
fpu softfloat: Implement uint64_to_float128 2013-01-05 10:12:50 +00:00
hw pc: limit 64 bit hole to 2G by default 2013-07-29 19:33:34 -05:00
migration migration: fix spice migration 2013-07-29 17:19:02 +02:00
monitor net: add support of mac-programming over macvtap in QEMU side 2013-07-15 21:23:08 +03:00
net net: add support of mac-programming over macvtap in QEMU side 2013-07-15 21:23:08 +03:00
qapi Implement qdict_flatten() 2013-07-26 22:01:31 +02:00
qemu semaphore: fix a hangup problem under load on NetBSD hosts. 2013-08-05 11:48:00 -05:00
qom cpu: Introduce CPUClass::gdb_core_xml_file for GDB_CORE_XML 2013-07-27 00:04:17 +02:00
sysemu dump: rebase from host-private RAMBlock offsets to guest-physical addresses 2013-08-08 11:01:46 -04:00
ui spice: fix display initialization 2013-07-30 10:25:47 +02:00
config.h janitor: move remaining public headers to include/ 2012-12-19 08:32:46 +01:00
elf.h s390: Implement dump-guest-memory support for target s390x 2013-07-30 16:12:25 +02:00
glib-compat.h glib: add a compatibility interface for g_timeout_add_seconds 2013-03-25 13:10:40 -05:00
qemu-common.h Introduce async_run_on_cpu() 2013-07-12 19:36:01 +02:00
qemu-io.h qemu-io: Interface cleanup 2013-06-06 11:27:05 +02:00
trace.h build: some simplifications for "trace/Makefile.objs" 2013-01-12 18:42:51 +01:00