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dump: allow target to set the physical base 

crash assumes the physical base in the kdump subheader of
makedumpfile formatted dumps is correct. Zero is not correct
for all architectures, so allow it to be changed.

(No functional change.)

Signed-off-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1452542185-10914-5-git-send-email-drjones@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Andrew Jones 2016-01-11 20:56:21 +01:00 committed by Peter Maydell
parent 8161befdd1
commit b6e05aa473
3 changed files with 3 additions and 3 deletions
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4
dump.c
View File

@ -775,7 +775,7 @@ static void create_header32(DumpState *s, Error **errp)
/* 64bit max_mapnr_64 */
kh->max_mapnr_64 = cpu_to_dump64(s, s->max_mapnr);
kh->phys_base = cpu_to_dump32(s, PHYS_BASE);
kh->phys_base = cpu_to_dump32(s, s->dump_info.phys_base);
kh->dump_level = cpu_to_dump32(s, DUMP_LEVEL);
offset_note = DISKDUMP_HEADER_BLOCKS * block_size + size;
@ -875,7 +875,7 @@ static void create_header64(DumpState *s, Error **errp)
/* 64bit max_mapnr_64 */
kh->max_mapnr_64 = cpu_to_dump64(s, s->max_mapnr);
kh->phys_base = cpu_to_dump64(s, PHYS_BASE);
kh->phys_base = cpu_to_dump64(s, s->dump_info.phys_base);
kh->dump_level = cpu_to_dump32(s, DUMP_LEVEL);
offset_note = DISKDUMP_HEADER_BLOCKS * block_size + size;

1
include/sysemu/dump-arch.h
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@ -20,6 +20,7 @@ typedef struct ArchDumpInfo {
int d_class; /* ELFCLASS32 or ELFCLASS64 */
uint32_t page_size; /* The target's page size. If it's variable and
* unknown, then this should be the maximum. */
uint64_t phys_base; /* The target's physmem base. */
} ArchDumpInfo;
struct GuestPhysBlockList; /* memory_mapping.h */

1
include/sysemu/dump.h
View File

@ -33,7 +33,6 @@
#define KDUMP_SIGNATURE "KDUMP "
#define SIG_LEN (sizeof(KDUMP_SIGNATURE) - 1)
#define PHYS_BASE (0)
#define DUMP_LEVEL (1)
#define DISKDUMP_HEADER_BLOCKS (1)