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| author | Laszlo Ersek | 2013-08-06 12:37:11 +0200 |
|---|---|---|
| committer | Luiz Capitulino | 2013-08-08 17:01:46 +0200 |
| commit | 56c4bfb3f07f3107894c00281276aea4f5e8834d (patch) | |
| tree | abcdfab8c89a19415971046b9449019dab6d677c /include | |
| parent | dump: populate guest_phys_blocks (diff) | |
| download | qemu-56c4bfb3f07f3107894c00281276aea4f5e8834d.tar.gz qemu-56c4bfb3f07f3107894c00281276aea4f5e8834d.tar.xz qemu-56c4bfb3f07f3107894c00281276aea4f5e8834d.zip | |
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>
Diffstat (limited to 'include')
| -rw-r--r-- | include/sysemu/dump.h | 4 | ||||
| -rw-r--r-- | include/sysemu/memory_mapping.h | 7 |
2 files changed, 8 insertions, 3 deletions
diff --git a/include/sysemu/dump.h b/include/sysemu/dump.h index b8c770f8d9..19fafb2cf9 100644 --- a/include/sysemu/dump.h +++ b/include/sysemu/dump.h @@ -20,7 +20,9 @@ typedef struct ArchDumpInfo { int d_class; /* ELFCLASS32 or ELFCLASS64 */ } ArchDumpInfo; -int cpu_get_dump_info(ArchDumpInfo *info); +struct GuestPhysBlockList; /* memory_mapping.h */ +int cpu_get_dump_info(ArchDumpInfo *info, + const struct GuestPhysBlockList *guest_phys_blocks); ssize_t cpu_get_note_size(int class, int machine, int nr_cpus); #endif diff --git a/include/sysemu/memory_mapping.h b/include/sysemu/memory_mapping.h index b2d7d850c1..a75d59a55d 100644 --- a/include/sysemu/memory_mapping.h +++ b/include/sysemu/memory_mapping.h @@ -68,10 +68,13 @@ void guest_phys_blocks_free(GuestPhysBlockList *list); void guest_phys_blocks_init(GuestPhysBlockList *list); void guest_phys_blocks_append(GuestPhysBlockList *list); -void qemu_get_guest_memory_mapping(MemoryMappingList *list, Error **errp); +void qemu_get_guest_memory_mapping(MemoryMappingList *list, + const GuestPhysBlockList *guest_phys_blocks, + Error **errp); /* get guest's memory mapping without do paging(virtual address is 0). */ -void qemu_get_guest_simple_memory_mapping(MemoryMappingList *list); +void qemu_get_guest_simple_memory_mapping(MemoryMappingList *list, + const GuestPhysBlockList *guest_phys_blocks); void memory_mapping_filter(MemoryMappingList *list, int64_t begin, int64_t length); |