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-rw-r--r--dump.c77
-rw-r--r--include/sysemu/dump.h4
-rw-r--r--include/sysemu/memory_mapping.h7
-rw-r--r--memory_mapping.c22
-rw-r--r--stubs/dump.c3
-rw-r--r--target-i386/arch_dump.c10
-rw-r--r--target-s390x/arch_dump.c3
7 files changed, 69 insertions, 57 deletions
diff --git a/dump.c b/dump.c
index 3fa33fc..c0dae2c 100644
--- a/dump.c
+++ b/dump.c
@@ -70,7 +70,7 @@ typedef struct DumpState {
hwaddr memory_offset;
int fd;
- RAMBlock *block;
+ GuestPhysBlock *next_block;
ram_addr_t start;
bool has_filter;
int64_t begin;
@@ -391,14 +391,14 @@ static int write_data(DumpState *s, void *buf, int length)
}
/* write the memroy to vmcore. 1 page per I/O. */
-static int write_memory(DumpState *s, RAMBlock *block, ram_addr_t start,
+static int write_memory(DumpState *s, GuestPhysBlock *block, ram_addr_t start,
int64_t size)
{
int64_t i;
int ret;
for (i = 0; i < size / TARGET_PAGE_SIZE; i++) {
- ret = write_data(s, block->host + start + i * TARGET_PAGE_SIZE,
+ ret = write_data(s, block->host_addr + start + i * TARGET_PAGE_SIZE,
TARGET_PAGE_SIZE);
if (ret < 0) {
return ret;
@@ -406,7 +406,7 @@ static int write_memory(DumpState *s, RAMBlock *block, ram_addr_t start,
}
if ((size % TARGET_PAGE_SIZE) != 0) {
- ret = write_data(s, block->host + start + i * TARGET_PAGE_SIZE,
+ ret = write_data(s, block->host_addr + start + i * TARGET_PAGE_SIZE,
size % TARGET_PAGE_SIZE);
if (ret < 0) {
return ret;
@@ -423,7 +423,7 @@ static void get_offset_range(hwaddr phys_addr,
hwaddr *p_offset,
hwaddr *p_filesz)
{
- RAMBlock *block;
+ GuestPhysBlock *block;
hwaddr offset = s->memory_offset;
int64_t size_in_block, start;
@@ -437,35 +437,34 @@ static void get_offset_range(hwaddr phys_addr,
}
}
- QTAILQ_FOREACH(block, &ram_list.blocks, next) {
+ QTAILQ_FOREACH(block, &s->guest_phys_blocks.head, next) {
if (s->has_filter) {
- if (block->offset >= s->begin + s->length ||
- block->offset + block->length <= s->begin) {
+ if (block->target_start >= s->begin + s->length ||
+ block->target_end <= s->begin) {
/* This block is out of the range */
continue;
}
- if (s->begin <= block->offset) {
- start = block->offset;
+ if (s->begin <= block->target_start) {
+ start = block->target_start;
} else {
start = s->begin;
}
- size_in_block = block->length - (start - block->offset);
- if (s->begin + s->length < block->offset + block->length) {
- size_in_block -= block->offset + block->length -
- (s->begin + s->length);
+ size_in_block = block->target_end - start;
+ if (s->begin + s->length < block->target_end) {
+ size_in_block -= block->target_end - (s->begin + s->length);
}
} else {
- start = block->offset;
- size_in_block = block->length;
+ start = block->target_start;
+ size_in_block = block->target_end - block->target_start;
}
if (phys_addr >= start && phys_addr < start + size_in_block) {
*p_offset = phys_addr - start + offset;
/* The offset range mapped from the vmcore file must not spill over
- * the RAMBlock, clamp it. The rest of the mapping will be
+ * the GuestPhysBlock, clamp it. The rest of the mapping will be
* zero-filled in memory at load time; see
* <http://refspecs.linuxbase.org/elf/gabi4+/ch5.pheader.html>.
*/
@@ -613,7 +612,7 @@ static int dump_completed(DumpState *s)
return 0;
}
-static int get_next_block(DumpState *s, RAMBlock *block)
+static int get_next_block(DumpState *s, GuestPhysBlock *block)
{
while (1) {
block = QTAILQ_NEXT(block, next);
@@ -623,16 +622,16 @@ static int get_next_block(DumpState *s, RAMBlock *block)
}
s->start = 0;
- s->block = block;
+ s->next_block = block;
if (s->has_filter) {
- if (block->offset >= s->begin + s->length ||
- block->offset + block->length <= s->begin) {
+ if (block->target_start >= s->begin + s->length ||
+ block->target_end <= s->begin) {
/* This block is out of the range */
continue;
}
- if (s->begin > block->offset) {
- s->start = s->begin - block->offset;
+ if (s->begin > block->target_start) {
+ s->start = s->begin - block->target_start;
}
}
@@ -643,18 +642,18 @@ static int get_next_block(DumpState *s, RAMBlock *block)
/* write all memory to vmcore */
static int dump_iterate(DumpState *s)
{
- RAMBlock *block;
+ GuestPhysBlock *block;
int64_t size;
int ret;
while (1) {
- block = s->block;
+ block = s->next_block;
- size = block->length;
+ size = block->target_end - block->target_start;
if (s->has_filter) {
size -= s->start;
- if (s->begin + s->length < block->offset + block->length) {
- size -= block->offset + block->length - (s->begin + s->length);
+ if (s->begin + s->length < block->target_end) {
+ size -= block->target_end - (s->begin + s->length);
}
}
ret = write_memory(s, block, s->start, size);
@@ -689,23 +688,23 @@ static int create_vmcore(DumpState *s)
static ram_addr_t get_start_block(DumpState *s)
{
- RAMBlock *block;
+ GuestPhysBlock *block;
if (!s->has_filter) {
- s->block = QTAILQ_FIRST(&ram_list.blocks);
+ s->next_block = QTAILQ_FIRST(&s->guest_phys_blocks.head);
return 0;
}
- QTAILQ_FOREACH(block, &ram_list.blocks, next) {
- if (block->offset >= s->begin + s->length ||
- block->offset + block->length <= s->begin) {
+ QTAILQ_FOREACH(block, &s->guest_phys_blocks.head, next) {
+ if (block->target_start >= s->begin + s->length ||
+ block->target_end <= s->begin) {
/* This block is out of the range */
continue;
}
- s->block = block;
- if (s->begin > block->offset) {
- s->start = s->begin - block->offset;
+ s->next_block = block;
+ if (s->begin > block->target_start) {
+ s->start = s->begin - block->target_start;
} else {
s->start = 0;
}
@@ -758,7 +757,7 @@ static int dump_init(DumpState *s, int fd, bool paging, bool has_filter,
* If the target architecture is not supported, cpu_get_dump_info() will
* return -1.
*/
- ret = cpu_get_dump_info(&s->dump_info);
+ ret = cpu_get_dump_info(&s->dump_info, &s->guest_phys_blocks);
if (ret < 0) {
error_set(errp, QERR_UNSUPPORTED);
goto cleanup;
@@ -774,13 +773,13 @@ static int dump_init(DumpState *s, int fd, bool paging, bool has_filter,
/* get memory mapping */
memory_mapping_list_init(&s->list);
if (paging) {
- qemu_get_guest_memory_mapping(&s->list, &err);
+ qemu_get_guest_memory_mapping(&s->list, &s->guest_phys_blocks, &err);
if (err != NULL) {
error_propagate(errp, err);
goto cleanup;
}
} else {
- qemu_get_guest_simple_memory_mapping(&s->list);
+ qemu_get_guest_simple_memory_mapping(&s->list, &s->guest_phys_blocks);
}
if (s->has_filter) {
diff --git a/include/sysemu/dump.h b/include/sysemu/dump.h
index b8c770f..19fafb2 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 b2d7d85..a75d59a 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);
diff --git a/memory_mapping.c b/memory_mapping.c
index 876f5aa7..eeeeb44 100644
--- a/memory_mapping.c
+++ b/memory_mapping.c
@@ -279,10 +279,12 @@ static CPUState *find_paging_enabled_cpu(CPUState *start_cpu)
return NULL;
}
-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)
{
CPUState *cpu, *first_paging_enabled_cpu;
- RAMBlock *block;
+ GuestPhysBlock *block;
ram_addr_t offset, length;
first_paging_enabled_cpu = find_paging_enabled_cpu(first_cpu);
@@ -302,19 +304,21 @@ void qemu_get_guest_memory_mapping(MemoryMappingList *list, Error **errp)
* If the guest doesn't use paging, the virtual address is equal to physical
* address.
*/
- QTAILQ_FOREACH(block, &ram_list.blocks, next) {
- offset = block->offset;
- length = block->length;
+ QTAILQ_FOREACH(block, &guest_phys_blocks->head, next) {
+ offset = block->target_start;
+ length = block->target_end - block->target_start;
create_new_memory_mapping(list, offset, offset, length);
}
}
-void qemu_get_guest_simple_memory_mapping(MemoryMappingList *list)
+void qemu_get_guest_simple_memory_mapping(MemoryMappingList *list,
+ const GuestPhysBlockList *guest_phys_blocks)
{
- RAMBlock *block;
+ GuestPhysBlock *block;
- QTAILQ_FOREACH(block, &ram_list.blocks, next) {
- create_new_memory_mapping(list, block->offset, 0, block->length);
+ QTAILQ_FOREACH(block, &guest_phys_blocks->head, next) {
+ create_new_memory_mapping(list, block->target_start, 0,
+ block->target_end - block->target_start);
}
}
diff --git a/stubs/dump.c b/stubs/dump.c
index 43c9a3f..370cd96 100644
--- a/stubs/dump.c
+++ b/stubs/dump.c
@@ -16,7 +16,8 @@
#include "qapi/qmp/qerror.h"
#include "qmp-commands.h"
-int cpu_get_dump_info(ArchDumpInfo *info)
+int cpu_get_dump_info(ArchDumpInfo *info,
+ const struct GuestPhysBlockList *guest_phys_blocks)
{
return -1;
}
diff --git a/target-i386/arch_dump.c b/target-i386/arch_dump.c
index 10dc228..0bbed23 100644
--- a/target-i386/arch_dump.c
+++ b/target-i386/arch_dump.c
@@ -15,6 +15,7 @@
#include "exec/cpu-all.h"
#include "sysemu/dump.h"
#include "elf.h"
+#include "sysemu/memory_mapping.h"
#ifdef TARGET_X86_64
typedef struct {
@@ -389,10 +390,11 @@ int x86_cpu_write_elf32_qemunote(WriteCoreDumpFunction f, CPUState *cs,
return cpu_write_qemu_note(f, &cpu->env, opaque, 0);
}
-int cpu_get_dump_info(ArchDumpInfo *info)
+int cpu_get_dump_info(ArchDumpInfo *info,
+ const GuestPhysBlockList *guest_phys_blocks)
{
bool lma = false;
- RAMBlock *block;
+ GuestPhysBlock *block;
#ifdef TARGET_X86_64
X86CPU *first_x86_cpu = X86_CPU(first_cpu);
@@ -412,8 +414,8 @@ int cpu_get_dump_info(ArchDumpInfo *info)
} else {
info->d_class = ELFCLASS32;
- QTAILQ_FOREACH(block, &ram_list.blocks, next) {
- if (block->offset + block->length > UINT_MAX) {
+ QTAILQ_FOREACH(block, &guest_phys_blocks->head, next) {
+ if (block->target_end > UINT_MAX) {
/* The memory size is greater than 4G */
info->d_class = ELFCLASS64;
break;
diff --git a/target-s390x/arch_dump.c b/target-s390x/arch_dump.c
index f3e5144..9d36116 100644
--- a/target-s390x/arch_dump.c
+++ b/target-s390x/arch_dump.c
@@ -176,7 +176,8 @@ int s390_cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cs,
return s390x_write_all_elf64_notes("CORE", f, cpu, cpuid, opaque);
}
-int cpu_get_dump_info(ArchDumpInfo *info)
+int cpu_get_dump_info(ArchDumpInfo *info,
+ const struct GuestPhysBlockList *guest_phys_blocks)
{
info->d_machine = EM_S390;
info->d_endian = ELFDATA2MSB;
generated by cgit v1.1 at 2024-12-26 17:20:58 +0000