little-endian dump for ppc64

index 14b3d1d..d24b865 100644
@@ -36,9 +36,9 @@
 #define ELF_MACHINE_UNAME "Unknown"
 #endif
 
-static uint16_t cpu_convert_to_target16(uint16_t val, int endian)
+uint16_t cpu_to_dump16(DumpState *s, uint16_t val)
 {
-    if (endian == ELFDATA2LSB) {
+    if (s->dump_info.d_endian == ELFDATA2LSB) {
         val = cpu_to_le16(val);
     } else {
         val = cpu_to_be16(val);

@@ -47,9 +47,9 @@ static uint16_t cpu_convert_to_target16(uint16_t val, int endian)
     return val;
 }
 
-static uint32_t cpu_convert_to_target32(uint32_t val, int endian)
+uint32_t cpu_to_dump32(DumpState *s, uint32_t val)
 {
-    if (endian == ELFDATA2LSB) {
+    if (s->dump_info.d_endian == ELFDATA2LSB) {
         val = cpu_to_le32(val);
     } else {
         val = cpu_to_be32(val);

@@ -58,9 +58,9 @@ static uint32_t cpu_convert_to_target32(uint32_t val, int endian)
     return val;
 }
 
-static uint64_t cpu_convert_to_target64(uint64_t val, int endian)
+uint64_t cpu_to_dump64(DumpState *s, uint64_t val)
 {
-    if (endian == ELFDATA2LSB) {
+    if (s->dump_info.d_endian == ELFDATA2LSB) {
         val = cpu_to_le64(val);
     } else {
         val = cpu_to_be64(val);

@@ -69,39 +69,6 @@ static uint64_t cpu_convert_to_target64(uint64_t val, int endian)
     return val;
 }
 
-typedef struct DumpState {
-    GuestPhysBlockList guest_phys_blocks;
-    ArchDumpInfo dump_info;
-    MemoryMappingList list;
-    uint16_t phdr_num;
-    uint32_t sh_info;
-    bool have_section;
-    bool resume;
-    ssize_t note_size;
-    hwaddr memory_offset;
-    int fd;
-
-    GuestPhysBlock *next_block;
-    ram_addr_t start;
-    bool has_filter;
-    int64_t begin;
-    int64_t length;
-    Error **errp;
-
-    uint8_t *note_buf;          /* buffer for notes */
-    size_t note_buf_offset;     /* the writing place in note_buf */
-    uint32_t nr_cpus;           /* number of guest's cpu */
-    size_t page_size;           /* guest's page size */
-    uint32_t page_shift;        /* guest's page shift */
-    uint64_t max_mapnr;         /* the biggest guest's phys-mem's number */
-    size_t len_dump_bitmap;     /* the size of the place used to store
-                                   dump_bitmap in vmcore */
-    off_t offset_dump_bitmap;   /* offset of dump_bitmap part in vmcore */
-    off_t offset_page;          /* offset of page part in vmcore */
-    size_t num_dumpable;        /* number of page that can be dumped */
-    uint32_t flag_compress;     /* indicate the compression format */
-} DumpState;
-
 static int dump_cleanup(DumpState *s)
 {
     int ret = 0;

@@ -140,29 +107,25 @@ static int write_elf64_header(DumpState *s)
 {
     Elf64_Ehdr elf_header;
     int ret;
-    int endian = s->dump_info.d_endian;
 
     memset(&elf_header, 0, sizeof(Elf64_Ehdr));
     memcpy(&elf_header, ELFMAG, SELFMAG);
     elf_header.e_ident[EI_CLASS] = ELFCLASS64;
     elf_header.e_ident[EI_DATA] = s->dump_info.d_endian;
     elf_header.e_ident[EI_VERSION] = EV_CURRENT;
-    elf_header.e_type = cpu_convert_to_target16(ET_CORE, endian);
-    elf_header.e_machine = cpu_convert_to_target16(s->dump_info.d_machine,
-                                                   endian);
-    elf_header.e_version = cpu_convert_to_target32(EV_CURRENT, endian);
-    elf_header.e_ehsize = cpu_convert_to_target16(sizeof(elf_header), endian);
-    elf_header.e_phoff = cpu_convert_to_target64(sizeof(Elf64_Ehdr), endian);
-    elf_header.e_phentsize = cpu_convert_to_target16(sizeof(Elf64_Phdr),
-                                                     endian);
-    elf_header.e_phnum = cpu_convert_to_target16(s->phdr_num, endian);
+    elf_header.e_type = cpu_to_dump16(s, ET_CORE);
+    elf_header.e_machine = cpu_to_dump16(s, s->dump_info.d_machine);
+    elf_header.e_version = cpu_to_dump32(s, EV_CURRENT);
+    elf_header.e_ehsize = cpu_to_dump16(s, sizeof(elf_header));
+    elf_header.e_phoff = cpu_to_dump64(s, sizeof(Elf64_Ehdr));
+    elf_header.e_phentsize = cpu_to_dump16(s, sizeof(Elf64_Phdr));
+    elf_header.e_phnum = cpu_to_dump16(s, s->phdr_num);
     if (s->have_section) {
         uint64_t shoff = sizeof(Elf64_Ehdr) + sizeof(Elf64_Phdr) * s->sh_info;
 
-        elf_header.e_shoff = cpu_convert_to_target64(shoff, endian);
-        elf_header.e_shentsize = cpu_convert_to_target16(sizeof(Elf64_Shdr),
-                                                         endian);
-        elf_header.e_shnum = cpu_convert_to_target16(1, endian);
+        elf_header.e_shoff = cpu_to_dump64(s, shoff);
+        elf_header.e_shentsize = cpu_to_dump16(s, sizeof(Elf64_Shdr));
+        elf_header.e_shnum = cpu_to_dump16(s, 1);
     }
 
     ret = fd_write_vmcore(&elf_header, sizeof(elf_header), s);

@@ -178,29 +141,25 @@ static int write_elf32_header(DumpState *s)
 {
     Elf32_Ehdr elf_header;
     int ret;
-    int endian = s->dump_info.d_endian;
 
     memset(&elf_header, 0, sizeof(Elf32_Ehdr));
     memcpy(&elf_header, ELFMAG, SELFMAG);
     elf_header.e_ident[EI_CLASS] = ELFCLASS32;
-    elf_header.e_ident[EI_DATA] = endian;
+    elf_header.e_ident[EI_DATA] = s->dump_info.d_endian;
     elf_header.e_ident[EI_VERSION] = EV_CURRENT;
-    elf_header.e_type = cpu_convert_to_target16(ET_CORE, endian);
-    elf_header.e_machine = cpu_convert_to_target16(s->dump_info.d_machine,
-                                                   endian);
-    elf_header.e_version = cpu_convert_to_target32(EV_CURRENT, endian);
-    elf_header.e_ehsize = cpu_convert_to_target16(sizeof(elf_header), endian);
-    elf_header.e_phoff = cpu_convert_to_target32(sizeof(Elf32_Ehdr), endian);
-    elf_header.e_phentsize = cpu_convert_to_target16(sizeof(Elf32_Phdr),
-                                                     endian);
-    elf_header.e_phnum = cpu_convert_to_target16(s->phdr_num, endian);
+    elf_header.e_type = cpu_to_dump16(s, ET_CORE);
+    elf_header.e_machine = cpu_to_dump16(s, s->dump_info.d_machine);
+    elf_header.e_version = cpu_to_dump32(s, EV_CURRENT);
+    elf_header.e_ehsize = cpu_to_dump16(s, sizeof(elf_header));
+    elf_header.e_phoff = cpu_to_dump32(s, sizeof(Elf32_Ehdr));
+    elf_header.e_phentsize = cpu_to_dump16(s, sizeof(Elf32_Phdr));
+    elf_header.e_phnum = cpu_to_dump16(s, s->phdr_num);
     if (s->have_section) {
         uint32_t shoff = sizeof(Elf32_Ehdr) + sizeof(Elf32_Phdr) * s->sh_info;
 
-        elf_header.e_shoff = cpu_convert_to_target32(shoff, endian);
-        elf_header.e_shentsize = cpu_convert_to_target16(sizeof(Elf32_Shdr),
-                                                         endian);
-        elf_header.e_shnum = cpu_convert_to_target16(1, endian);
+        elf_header.e_shoff = cpu_to_dump32(s, shoff);
+        elf_header.e_shentsize = cpu_to_dump16(s, sizeof(Elf32_Shdr));
+        elf_header.e_shnum = cpu_to_dump16(s, 1);
     }
 
     ret = fd_write_vmcore(&elf_header, sizeof(elf_header), s);

@@ -218,15 +177,14 @@ static int write_elf64_load(DumpState *s, MemoryMapping *memory_mapping,
 {
     Elf64_Phdr phdr;
     int ret;
-    int endian = s->dump_info.d_endian;
 
     memset(&phdr, 0, sizeof(Elf64_Phdr));
-    phdr.p_type = cpu_convert_to_target32(PT_LOAD, endian);
-    phdr.p_offset = cpu_convert_to_target64(offset, endian);
-    phdr.p_paddr = cpu_convert_to_target64(memory_mapping->phys_addr, endian);
-    phdr.p_filesz = cpu_convert_to_target64(filesz, endian);
-    phdr.p_memsz = cpu_convert_to_target64(memory_mapping->length, endian);
-    phdr.p_vaddr = cpu_convert_to_target64(memory_mapping->virt_addr, endian);
+    phdr.p_type = cpu_to_dump32(s, PT_LOAD);
+    phdr.p_offset = cpu_to_dump64(s, offset);
+    phdr.p_paddr = cpu_to_dump64(s, memory_mapping->phys_addr);
+    phdr.p_filesz = cpu_to_dump64(s, filesz);
+    phdr.p_memsz = cpu_to_dump64(s, memory_mapping->length);
+    phdr.p_vaddr = cpu_to_dump64(s, memory_mapping->virt_addr);
 
     assert(memory_mapping->length >= filesz);
 

@@ -245,15 +203,14 @@ static int write_elf32_load(DumpState *s, MemoryMapping *memory_mapping,
 {
     Elf32_Phdr phdr;
     int ret;
-    int endian = s->dump_info.d_endian;
 
     memset(&phdr, 0, sizeof(Elf32_Phdr));
-    phdr.p_type = cpu_convert_to_target32(PT_LOAD, endian);
-    phdr.p_offset = cpu_convert_to_target32(offset, endian);
-    phdr.p_paddr = cpu_convert_to_target32(memory_mapping->phys_addr, endian);
-    phdr.p_filesz = cpu_convert_to_target32(filesz, endian);
-    phdr.p_memsz = cpu_convert_to_target32(memory_mapping->length, endian);
-    phdr.p_vaddr = cpu_convert_to_target32(memory_mapping->virt_addr, endian);
+    phdr.p_type = cpu_to_dump32(s, PT_LOAD);
+    phdr.p_offset = cpu_to_dump32(s, offset);
+    phdr.p_paddr = cpu_to_dump32(s, memory_mapping->phys_addr);
+    phdr.p_filesz = cpu_to_dump32(s, filesz);
+    phdr.p_memsz = cpu_to_dump32(s, memory_mapping->length);
+    phdr.p_vaddr = cpu_to_dump32(s, memory_mapping->virt_addr);
 
     assert(memory_mapping->length >= filesz);
 

@@ -269,16 +226,15 @@ static int write_elf32_load(DumpState *s, MemoryMapping *memory_mapping,
 static int write_elf64_note(DumpState *s)
 {
     Elf64_Phdr phdr;
-    int endian = s->dump_info.d_endian;
     hwaddr begin = s->memory_offset - s->note_size;
     int ret;
 
     memset(&phdr, 0, sizeof(Elf64_Phdr));
-    phdr.p_type = cpu_convert_to_target32(PT_NOTE, endian);
-    phdr.p_offset = cpu_convert_to_target64(begin, endian);
+    phdr.p_type = cpu_to_dump32(s, PT_NOTE);
+    phdr.p_offset = cpu_to_dump64(s, begin);
     phdr.p_paddr = 0;
-    phdr.p_filesz = cpu_convert_to_target64(s->note_size, endian);
-    phdr.p_memsz = cpu_convert_to_target64(s->note_size, endian);
+    phdr.p_filesz = cpu_to_dump64(s, s->note_size);
+    phdr.p_memsz = cpu_to_dump64(s, s->note_size);
     phdr.p_vaddr = 0;
 
     ret = fd_write_vmcore(&phdr, sizeof(Elf64_Phdr), s);

@@ -325,15 +281,14 @@ static int write_elf32_note(DumpState *s)
 {
     hwaddr begin = s->memory_offset - s->note_size;
     Elf32_Phdr phdr;
-    int endian = s->dump_info.d_endian;
     int ret;
 
     memset(&phdr, 0, sizeof(Elf32_Phdr));
-    phdr.p_type = cpu_convert_to_target32(PT_NOTE, endian);
-    phdr.p_offset = cpu_convert_to_target32(begin, endian);
+    phdr.p_type = cpu_to_dump32(s, PT_NOTE);
+    phdr.p_offset = cpu_to_dump32(s, begin);
     phdr.p_paddr = 0;
-    phdr.p_filesz = cpu_convert_to_target32(s->note_size, endian);
-    phdr.p_memsz = cpu_convert_to_target32(s->note_size, endian);
+    phdr.p_filesz = cpu_to_dump32(s, s->note_size);
+    phdr.p_memsz = cpu_to_dump32(s, s->note_size);
     phdr.p_vaddr = 0;
 
     ret = fd_write_vmcore(&phdr, sizeof(Elf32_Phdr), s);

@@ -375,7 +330,6 @@ static int write_elf_section(DumpState *s, int type)
 {
     Elf32_Shdr shdr32;
     Elf64_Shdr shdr64;
-    int endian = s->dump_info.d_endian;
     int shdr_size;
     void *shdr;
     int ret;

@@ -383,12 +337,12 @@ static int write_elf_section(DumpState *s, int type)
     if (type == 0) {
         shdr_size = sizeof(Elf32_Shdr);
         memset(&shdr32, 0, shdr_size);
-        shdr32.sh_info = cpu_convert_to_target32(s->sh_info, endian);
+        shdr32.sh_info = cpu_to_dump32(s, s->sh_info);
         shdr = &shdr32;
     } else {
         shdr_size = sizeof(Elf64_Shdr);
         memset(&shdr64, 0, shdr_size);
-        shdr64.sh_info = cpu_convert_to_target32(s->sh_info, endian);
+        shdr64.sh_info = cpu_to_dump32(s, s->sh_info);
         shdr = &shdr64;
     }
 

@@ -796,7 +750,6 @@ static int create_header32(DumpState *s)
     DiskDumpHeader32 *dh = NULL;
     KdumpSubHeader32 *kh = NULL;
     size_t size;
-    int endian = s->dump_info.d_endian;
     uint32_t block_size;
     uint32_t sub_hdr_size;
     uint32_t bitmap_blocks;

@@ -808,18 +761,17 @@ static int create_header32(DumpState *s)
     dh = g_malloc0(size);
 
     strncpy(dh->signature, KDUMP_SIGNATURE, strlen(KDUMP_SIGNATURE));
-    dh->header_version = cpu_convert_to_target32(6, endian);
+    dh->header_version = cpu_to_dump32(s, 6);
     block_size = s->page_size;
-    dh->block_size = cpu_convert_to_target32(block_size, endian);
+    dh->block_size = cpu_to_dump32(s, block_size);
     sub_hdr_size = sizeof(struct KdumpSubHeader32) + s->note_size;
     sub_hdr_size = DIV_ROUND_UP(sub_hdr_size, block_size);
-    dh->sub_hdr_size = cpu_convert_to_target32(sub_hdr_size, endian);
+    dh->sub_hdr_size = cpu_to_dump32(s, sub_hdr_size);
     /* dh->max_mapnr may be truncated, full 64bit is in kh.max_mapnr_64 */
-    dh->max_mapnr = cpu_convert_to_target32(MIN(s->max_mapnr, UINT_MAX),
-                                            endian);
-    dh->nr_cpus = cpu_convert_to_target32(s->nr_cpus, endian);
+    dh->max_mapnr = cpu_to_dump32(s, MIN(s->max_mapnr, UINT_MAX));
+    dh->nr_cpus = cpu_to_dump32(s, s->nr_cpus);
     bitmap_blocks = DIV_ROUND_UP(s->len_dump_bitmap, block_size) * 2;
-    dh->bitmap_blocks = cpu_convert_to_target32(bitmap_blocks, endian);
+    dh->bitmap_blocks = cpu_to_dump32(s, bitmap_blocks);
     strncpy(dh->utsname.machine, ELF_MACHINE_UNAME, sizeof(dh->utsname.machine));
 
     if (s->flag_compress & DUMP_DH_COMPRESSED_ZLIB) {

@@ -835,7 +787,7 @@ static int create_header32(DumpState *s)
         status |= DUMP_DH_COMPRESSED_SNAPPY;
     }
 #endif
-    dh->status = cpu_convert_to_target32(status, endian);
+    dh->status = cpu_to_dump32(s, status);
 
     if (write_buffer(s->fd, 0, dh, size) < 0) {
         dump_error(s, "dump: failed to write disk dump header.\n");

@@ -848,13 +800,13 @@ static int create_header32(DumpState *s)
     kh = g_malloc0(size);
 
     /* 64bit max_mapnr_64 */
-    kh->max_mapnr_64 = cpu_convert_to_target64(s->max_mapnr, endian);
-    kh->phys_base = cpu_convert_to_target32(PHYS_BASE, endian);
-    kh->dump_level = cpu_convert_to_target32(DUMP_LEVEL, endian);
+    kh->max_mapnr_64 = cpu_to_dump64(s, s->max_mapnr);
+    kh->phys_base = cpu_to_dump32(s, PHYS_BASE);
+    kh->dump_level = cpu_to_dump32(s, DUMP_LEVEL);
 
     offset_note = DISKDUMP_HEADER_BLOCKS * block_size + size;
-    kh->offset_note = cpu_convert_to_target64(offset_note, endian);
-    kh->note_size = cpu_convert_to_target32(s->note_size, endian);
+    kh->offset_note = cpu_to_dump64(s, offset_note);
+    kh->note_size = cpu_to_dump32(s, s->note_size);
 
     if (write_buffer(s->fd, DISKDUMP_HEADER_BLOCKS *
                      block_size, kh, size) < 0) {

@@ -903,7 +855,6 @@ static int create_header64(DumpState *s)
     DiskDumpHeader64 *dh = NULL;
     KdumpSubHeader64 *kh = NULL;
     size_t size;
-    int endian = s->dump_info.d_endian;
     uint32_t block_size;
     uint32_t sub_hdr_size;
     uint32_t bitmap_blocks;

@@ -915,18 +866,17 @@ static int create_header64(DumpState *s)
     dh = g_malloc0(size);
 
     strncpy(dh->signature, KDUMP_SIGNATURE, strlen(KDUMP_SIGNATURE));
-    dh->header_version = cpu_convert_to_target32(6, endian);
+    dh->header_version = cpu_to_dump32(s, 6);
     block_size = s->page_size;
-    dh->block_size = cpu_convert_to_target32(block_size, endian);
+    dh->block_size = cpu_to_dump32(s, block_size);
     sub_hdr_size = sizeof(struct KdumpSubHeader64) + s->note_size;
     sub_hdr_size = DIV_ROUND_UP(sub_hdr_size, block_size);
-    dh->sub_hdr_size = cpu_convert_to_target32(sub_hdr_size, endian);
+    dh->sub_hdr_size = cpu_to_dump32(s, sub_hdr_size);
     /* dh->max_mapnr may be truncated, full 64bit is in kh.max_mapnr_64 */
-    dh->max_mapnr = cpu_convert_to_target32(MIN(s->max_mapnr, UINT_MAX),
-                                            endian);
-    dh->nr_cpus = cpu_convert_to_target32(s->nr_cpus, endian);
+    dh->max_mapnr = cpu_to_dump32(s, MIN(s->max_mapnr, UINT_MAX));
+    dh->nr_cpus = cpu_to_dump32(s, s->nr_cpus);
     bitmap_blocks = DIV_ROUND_UP(s->len_dump_bitmap, block_size) * 2;
-    dh->bitmap_blocks = cpu_convert_to_target32(bitmap_blocks, endian);
+    dh->bitmap_blocks = cpu_to_dump32(s, bitmap_blocks);
     strncpy(dh->utsname.machine, ELF_MACHINE_UNAME, sizeof(dh->utsname.machine));
 
     if (s->flag_compress & DUMP_DH_COMPRESSED_ZLIB) {

@@ -942,7 +892,7 @@ static int create_header64(DumpState *s)
         status |= DUMP_DH_COMPRESSED_SNAPPY;
     }
 #endif
-    dh->status = cpu_convert_to_target32(status, endian);
+    dh->status = cpu_to_dump32(s, status);
 
     if (write_buffer(s->fd, 0, dh, size) < 0) {
         dump_error(s, "dump: failed to write disk dump header.\n");

@@ -955,13 +905,13 @@ static int create_header64(DumpState *s)
     kh = g_malloc0(size);
 
     /* 64bit max_mapnr_64 */
-    kh->max_mapnr_64 = cpu_convert_to_target64(s->max_mapnr, endian);
-    kh->phys_base = cpu_convert_to_target64(PHYS_BASE, endian);
-    kh->dump_level = cpu_convert_to_target32(DUMP_LEVEL, endian);
+    kh->max_mapnr_64 = cpu_to_dump64(s, s->max_mapnr);
+    kh->phys_base = cpu_to_dump64(s, PHYS_BASE);
+    kh->dump_level = cpu_to_dump32(s, DUMP_LEVEL);
 
     offset_note = DISKDUMP_HEADER_BLOCKS * block_size + size;
-    kh->offset_note = cpu_convert_to_target64(offset_note, endian);
-    kh->note_size = cpu_convert_to_target64(s->note_size, endian);
+    kh->offset_note = cpu_to_dump64(s, offset_note);
+    kh->note_size = cpu_to_dump64(s, s->note_size);
 
     if (write_buffer(s->fd, DISKDUMP_HEADER_BLOCKS *
                      block_size, kh, size) < 0) {

@@ -1283,7 +1233,6 @@ static int write_dump_pages(DumpState *s)
     off_t offset_desc, offset_data;
     PageDescriptor pd, pd_zero;
     uint8_t *buf;
-    int endian = s->dump_info.d_endian;
     GuestPhysBlock *block_iter = NULL;
     uint64_t pfn_iter;
 

@@ -1311,10 +1260,10 @@ static int write_dump_pages(DumpState *s)
      * init zero page's page_desc and page_data, because every zero page
      * uses the same page_data
      */
-    pd_zero.size = cpu_convert_to_target32(s->page_size, endian);
-    pd_zero.flags = cpu_convert_to_target32(0, endian);
-    pd_zero.offset = cpu_convert_to_target64(offset_data, endian);
-    pd_zero.page_flags = cpu_convert_to_target64(0, endian);
+    pd_zero.size = cpu_to_dump32(s, s->page_size);
+    pd_zero.flags = cpu_to_dump32(s, 0);
+    pd_zero.offset = cpu_to_dump64(s, offset_data);
+    pd_zero.page_flags = cpu_to_dump64(s, 0);
     buf = g_malloc0(s->page_size);
     ret = write_cache(&page_data, buf, s->page_size, false);
     g_free(buf);

@@ -1354,9 +1303,8 @@ static int write_dump_pages(DumpState *s)
              if ((s->flag_compress & DUMP_DH_COMPRESSED_ZLIB) &&
                     (compress2(buf_out, (uLongf *)&size_out, buf, s->page_size,
                     Z_BEST_SPEED) == Z_OK) && (size_out < s->page_size)) {
-                pd.flags = cpu_convert_to_target32(DUMP_DH_COMPRESSED_ZLIB,
-                                                   endian);
-                pd.size  = cpu_convert_to_target32(size_out, endian);
+                pd.flags = cpu_to_dump32(s, DUMP_DH_COMPRESSED_ZLIB);
+                pd.size  = cpu_to_dump32(s, size_out);
 
                 ret = write_cache(&page_data, buf_out, size_out, false);
                 if (ret < 0) {

@@ -1368,9 +1316,8 @@ static int write_dump_pages(DumpState *s)
                     (lzo1x_1_compress(buf, s->page_size, buf_out,
                     (lzo_uint *)&size_out, wrkmem) == LZO_E_OK) &&
                     (size_out < s->page_size)) {
-                pd.flags = cpu_convert_to_target32(DUMP_DH_COMPRESSED_LZO,
-                                                   endian);
-                pd.size  = cpu_convert_to_target32(size_out, endian);
+                pd.flags = cpu_to_dump32(s, DUMP_DH_COMPRESSED_LZO);
+                pd.size  = cpu_to_dump32(s, size_out);
 
                 ret = write_cache(&page_data, buf_out, size_out, false);
                 if (ret < 0) {

@@ -1383,9 +1330,8 @@ static int write_dump_pages(DumpState *s)
                     (snappy_compress((char *)buf, s->page_size,
                     (char *)buf_out, &size_out) == SNAPPY_OK) &&
                     (size_out < s->page_size)) {
-                pd.flags = cpu_convert_to_target32(
-                                        DUMP_DH_COMPRESSED_SNAPPY, endian);
-                pd.size  = cpu_convert_to_target32(size_out, endian);
+                pd.flags = cpu_to_dump32(s, DUMP_DH_COMPRESSED_SNAPPY);
+                pd.size  = cpu_to_dump32(s, size_out);
 
                 ret = write_cache(&page_data, buf_out, size_out, false);
                 if (ret < 0) {

@@ -1398,9 +1344,9 @@ static int write_dump_pages(DumpState *s)
                  * fall back to save in plaintext, size_out should be
                  * assigned to s->page_size
                  */
-                pd.flags = cpu_convert_to_target32(0, endian);
+                pd.flags = cpu_to_dump32(s, 0);
                 size_out = s->page_size;
-                pd.size = cpu_convert_to_target32(size_out, endian);
+                pd.size = cpu_to_dump32(s, size_out);
 
                 ret = write_cache(&page_data, buf, s->page_size, false);
                 if (ret < 0) {

@@ -1410,8 +1356,8 @@ static int write_dump_pages(DumpState *s)
             }
 
             /* get and write page desc here */
-            pd.page_flags = cpu_convert_to_target64(0, endian);
-            pd.offset = cpu_convert_to_target64(offset_data, endian);
+            pd.page_flags = cpu_to_dump64(s, 0);
+            pd.offset = cpu_to_dump64(s, offset_data);
             offset_data += size_out;
 
             ret = write_cache(&page_desc, &pd, sizeof(PageDescriptor), false);

new file mode 100644
index 0000000..9c95ced
@@ -0,0 +1,28 @@
+/*
+ * QEMU dump
+ *
+ * Copyright Fujitsu, Corp. 2011, 2012
+ *
+ * Authors:
+ *     Wen Congyang <[email protected]>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ *
+ */
+
+#ifndef DUMP_ARCH_H
+#define DUMP_ARCH_H
+
+typedef struct ArchDumpInfo {
+    int d_machine;  /* Architecture */
+    int d_endian;   /* ELFDATA2LSB or ELFDATA2MSB */
+    int d_class;    /* ELFCLASS32 or ELFCLASS64 */
+} ArchDumpInfo;
+
+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

58 lines not on this page · raw message

index 370cd96..fac7019 100644
@@ -12,7 +12,7 @@
  */
 
 #include "qemu-common.h"
-#include "sysemu/dump.h"
+#include "sysemu/dump-arch.h"
 #include "qapi/qmp/qerror.h"
 #include "qmp-commands.h"
 

index 9dccf1a..5487b61 100644
@@ -79,94 +79,109 @@ typedef struct noteStruct {
     } contents;
 } QEMU_PACKED Note;
 
+typedef struct NoteFuncArg {
+    Note note;
+    DumpState *state;
+} NoteFuncArg;
 
-static void ppc64_write_elf64_prstatus(Note *note, PowerPCCPU *cpu)
+static void ppc64_write_elf64_prstatus(NoteFuncArg *arg, PowerPCCPU *cpu)
 {
     int i;
     uint64_t cr;
     struct PPC64ElfPrstatus *prstatus;
     struct PPC64UserRegStruct *reg;
+    Note *note = &arg->note;
+    DumpState *s = arg->state;
 
-    note->hdr.n_type = cpu_to_be32(NT_PRSTATUS);
+    note->hdr.n_type = cpu_to_dump32(s, NT_PRSTATUS);
 
     prstatus = &note->contents.prstatus;
     memset(prstatus, 0, sizeof(*prstatus));
     reg = &prstatus->pr_reg;
 
     for (i = 0; i < 32; i++) {
-        reg->gpr[i] = cpu_to_be64(cpu->env.gpr[i]);
+        reg->gpr[i] = cpu_to_dump64(s, cpu->env.gpr[i]);
     }
-    reg->nip = cpu_to_be64(cpu->env.nip);
-    reg->msr = cpu_to_be64(cpu->env.msr);
-    reg->ctr = cpu_to_be64(cpu->env.ctr);
-    reg->link = cpu_to_be64(cpu->env.lr);
-    reg->xer = cpu_to_be64(cpu_read_xer(&cpu->env));
+    reg->nip = cpu_to_dump64(s, cpu->env.nip);
+    reg->msr = cpu_to_dump64(s, cpu->env.msr);
+    reg->ctr = cpu_to_dump64(s, cpu->env.ctr);
+    reg->link = cpu_to_dump64(s, cpu->env.lr);
+    reg->xer = cpu_to_dump64(s, cpu_read_xer(&cpu->env));
 
     cr = 0;
     for (i = 0; i < 8; i++) {
         cr |= (cpu->env.crf[i] & 15) << (4 * (7 - i));
     }
-    reg->ccr = cpu_to_be64(cr);
+    reg->ccr = cpu_to_dump64(s, cr);
 }
 
-static void ppc64_write_elf64_fpregset(Note *note, PowerPCCPU *cpu)
+static void ppc64_write_elf64_fpregset(NoteFuncArg *arg, PowerPCCPU *cpu)
 {
     int i;
     struct PPC64ElfFpregset  *fpregset;
+    Note *note = &arg->note;
+    DumpState *s = arg->state;
 
-    note->hdr.n_type = cpu_to_be32(NT_PRFPREG);
+    note->hdr.n_type = cpu_to_dump32(s, NT_PRFPREG);
 
     fpregset = &note->contents.fpregset;
     memset(fpregset, 0, sizeof(*fpregset));
 
     for (i = 0; i < 32; i++) {
-        fpregset->fpr[i] = cpu_to_be64(cpu->env.fpr[i]);
+        fpregset->fpr[i] = cpu_to_dump64(s, cpu->env.fpr[i]);
     }
-    fpregset->fpscr = cpu_to_be64(cpu->env.fpscr);
+    fpregset->fpscr = cpu_to_dump64(s, cpu->env.fpscr);
 }
 
-static void ppc64_write_elf64_vmxregset(Note *note, PowerPCCPU *cpu)
+static void ppc64_write_elf64_vmxregset(NoteFuncArg *arg, PowerPCCPU *cpu)
 {
     int i;
     struct PPC64ElfVmxregset *vmxregset;
+    Note *note = &arg->note;
+    DumpState *s = arg->state;
 
-    note->hdr.n_type = cpu_to_be32(NT_PPC_VMX);
+    note->hdr.n_type = cpu_to_dump32(s, NT_PPC_VMX);
     vmxregset = &note->contents.vmxregset;
     memset(vmxregset, 0, sizeof(*vmxregset));
 
     for (i = 0; i < 32; i++) {
-        vmxregset->avr[i].u64[0] = cpu_to_be64(cpu->env.avr[i].u64[0]);
-        vmxregset->avr[i].u64[1] = cpu_to_be64(cpu->env.avr[i].u64[1]);
+        vmxregset->avr[i].u64[0] = cpu_to_dump64(s, cpu->env.avr[i].u64[0]);
+        vmxregset->avr[i].u64[1] = cpu_to_dump64(s, cpu->env.avr[i].u64[1]);
     }
-    vmxregset->vscr.u32[3] = cpu_to_be32(cpu->env.vscr);
+    vmxregset->vscr.u32[3] = cpu_to_dump32(s, cpu->env.vscr);
 }
-static void ppc64_write_elf64_vsxregset(Note *note, PowerPCCPU *cpu)
+static void ppc64_write_elf64_vsxregset(NoteFuncArg *arg, PowerPCCPU *cpu)
 {
     int i;
     struct PPC64ElfVsxregset *vsxregset;
+    Note *note = &arg->note;
+    DumpState *s = arg->state;
 
-    note->hdr.n_type = cpu_to_be32(NT_PPC_VSX);
+    note->hdr.n_type = cpu_to_dump32(s, NT_PPC_VSX);
     vsxregset = &note->contents.vsxregset;
     memset(vsxregset, 0, sizeof(*vsxregset));
 
     for (i = 0; i < 32; i++) {
-        vsxregset->vsr[i] = cpu_to_be64(cpu->env.vsr[i]);
+        vsxregset->vsr[i] = cpu_to_dump64(s, cpu->env.vsr[i]);
     }
 }
-static void ppc64_write_elf64_speregset(Note *note, PowerPCCPU *cpu)
+static void ppc64_write_elf64_speregset(NoteFuncArg *arg, PowerPCCPU *cpu)
 {
     struct PPC64ElfSperegset *speregset;
-    note->hdr.n_type = cpu_to_be32(NT_PPC_SPE);
+    Note *note = &arg->note;
+    DumpState *s = arg->state;
+
+    note->hdr.n_type = cpu_to_dump32(s, NT_PPC_SPE);
     speregset = &note->contents.speregset;
     memset(speregset, 0, sizeof(*speregset));
 
-    speregset->spe_acc = cpu_to_be64(cpu->env.spe_acc);
-    speregset->spe_fscr = cpu_to_be32(cpu->env.spe_fscr);
+    speregset->spe_acc = cpu_to_dump64(s, cpu->env.spe_acc);
+    speregset->spe_fscr = cpu_to_dump32(s, cpu->env.spe_fscr);
 }
 
 static const struct NoteFuncDescStruct {
     int contents_size;
-    void (*note_contents_func)(Note *note, PowerPCCPU *cpu);
+    void (*note_contents_func)(NoteFuncArg *arg, PowerPCCPU *cpu);
 } note_func[] = {
     {sizeof(((Note *)0)->contents.prstatus),  ppc64_write_elf64_prstatus},
     {sizeof(((Note *)0)->contents.fpregset),  ppc64_write_elf64_fpregset},

@@ -218,20 +233,21 @@ static int ppc64_write_all_elf64_notes(const char *note_name,
                                        PowerPCCPU *cpu, int id,
                                        void *opaque)
 {
-    Note note;
+    NoteFuncArg arg = { .state = opaque };
     int ret = -1;
     int note_size;
     const NoteFuncDesc *nf;
 
     for (nf = note_func; nf->note_contents_func; nf++) {
-        note.hdr.n_namesz = cpu_to_be32(sizeof(note.name));
-        note.hdr.n_descsz = cpu_to_be32(nf->contents_size);
-        strncpy(note.name, note_name, sizeof(note.name));
+        arg.note.hdr.n_namesz = cpu_to_dump32(opaque, sizeof(arg.note.name));
+        arg.note.hdr.n_descsz = cpu_to_dump32(opaque, nf->contents_size);
+        strncpy(arg.note.name, note_name, sizeof(arg.note.name));
 
-        (*nf->note_contents_func)(&note, cpu);
+        (*nf->note_contents_func)(&arg, cpu);
 
-        note_size = sizeof(note) - sizeof(note.contents) + nf->contents_size;
-        ret = f(&note, note_size, opaque);
+        note_size =
+            sizeof(arg.note) - sizeof(arg.note.contents) + nf->contents_size;
+        ret = f(&arg.note, note_size, opaque);
         if (ret < 0) {
             return -1;
         }

index 47dc8e6..fdce638 100644
@@ -76,6 +76,7 @@ typedef struct PowerPCCPUClass {
     int (*handle_mmu_fault)(PowerPCCPU *cpu, target_ulong eaddr, int rwx,
                             int mmu_idx);
 #endif
+    bool (*interrupts_big_endian)(PowerPCCPU *cpu);
 } PowerPCCPUClass;
 
 /**

index 7f53c33..a27e5a7 100644
@@ -3102,6 +3102,18 @@ static int check_pow_hid0_74xx (CPUPPCState *env)
     return 0;
 }
 
+static bool ppc_cpu_interrupts_big_endian_always(PowerPCCPU *cpu)
+{
+    return true;
+}
+
+#ifdef TARGET_PPC64
+static bool ppc_cpu_interrupts_big_endian_lpcr(PowerPCCPU *cpu)
+{
+    return !(cpu->env.spr[SPR_LPCR] & LPCR_ILE);
+}
+#endif
+
 /*****************************************************************************/
 /* PowerPC implementations definitions                                       */
 

@@ -7089,6 +7101,7 @@ POWERPC_FAMILY(POWER7)(ObjectClass *oc, void *data)
                  POWERPC_FLAG_VSX;
     pcc->l1_dcache_size = 0x8000;
     pcc->l1_icache_size = 0x8000;
+    pcc->interrupts_big_endian = ppc_cpu_interrupts_big_endian_lpcr;
 }
 
 POWERPC_FAMILY(POWER7P)(ObjectClass *oc, void *data)

@@ -7132,6 +7145,7 @@ POWERPC_FAMILY(POWER7P)(ObjectClass *oc, void *data)
                  POWERPC_FLAG_VSX;
     pcc->l1_dcache_size = 0x8000;
     pcc->l1_icache_size = 0x8000;
+    pcc->interrupts_big_endian = ppc_cpu_interrupts_big_endian_lpcr;
 }
 
 static void init_proc_POWER8(CPUPPCState *env)

@@ -7189,6 +7203,7 @@ POWERPC_FAMILY(POWER8)(ObjectClass *oc, void *data)
                  POWERPC_FLAG_VSX;
     pcc->l1_dcache_size = 0x8000;
     pcc->l1_icache_size = 0x8000;
+    pcc->interrupts_big_endian = ppc_cpu_interrupts_big_endian_lpcr;
 }
 #endif /* defined (TARGET_PPC64) */
 

@@ -8511,6 +8526,7 @@ static void ppc_cpu_class_init(ObjectClass *oc, void *data)
     pcc->parent_realize = dc->realize;
     pcc->pvr = CPU_POWERPC_DEFAULT_MASK;
     pcc->pvr_mask = CPU_POWERPC_DEFAULT_MASK;
+    pcc->interrupts_big_endian = ppc_cpu_interrupts_big_endian_always;
     dc->realize = ppc_cpu_realizefn;
     dc->unrealize = ppc_cpu_unrealizefn;
 

index 5487b61..53e2fe0 100644
@@ -196,12 +196,16 @@ typedef struct NoteFuncDescStruct NoteFuncDesc;
 int cpu_get_dump_info(ArchDumpInfo *info,
                       const struct GuestPhysBlockList *guest_phys_blocks)
 {
-    /*
-     * Currently only handling PPC64 big endian.
-     */
+    PowerPCCPU *cpu = POWERPC_CPU(first_cpu);
+    PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu);
+
     info->d_machine = EM_PPC64;
-    info->d_endian = ELFDATA2MSB;
     info->d_class = ELFCLASS64;
+    if ((*pcc->interrupts_big_endian)(cpu)) {
+        info->d_endian = ELFDATA2MSB;
+    } else {
+        info->d_endian = ELFDATA2LSB;
+    }
 
     return 0;
 }