[Qemu-devel] [PULL 06/11] dump: allow target to set the physical base

[Peter Maydell]

From: Andrew Jones <address@hidden>

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 <address@hidden>
Reviewed-by: Peter Maydell <address@hidden>
Message-id: address@hidden
Signed-off-by: Peter Maydell <address@hidden>
---
 dump.c                     | 4 ++--
 include/sysemu/dump-arch.h | 1 +
 include/sysemu/dump.h      | 1 -
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/dump.c b/dump.c
index e1d9bae..2d4892b 100644
--- a/dump.c
+++ b/dump.c
@@ -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;
diff --git a/include/sysemu/dump-arch.h b/include/sysemu/dump-arch.h
index 4335839..e25b02e 100644
--- a/include/sysemu/dump-arch.h
+++ b/include/sysemu/dump-arch.h
@@ -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 */
diff --git a/include/sysemu/dump.h b/include/sysemu/dump.h
index 16cbd8d..2f04b24 100644
--- a/include/sysemu/dump.h
+++ b/include/sysemu/dump.h
@@ -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)
 
-- 
1.9.1