diff options
Diffstat (limited to 'arch_init.c')
| -rw-r--r-- | arch_init.c | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/arch_init.c b/arch_init.c index 47bb4b2d8f..4caadd0c0a 100644 --- a/arch_init.c +++ b/arch_init.c @@ -82,12 +82,12 @@ const uint32_t arch_type = QEMU_ARCH; /***********************************************************/ /* ram save/restore */ -#define RAM_SAVE_FLAG_FULL 0x01 /* Obsolete, not used anymore */ -#define RAM_SAVE_FLAG_COMPRESS 0x02 -#define RAM_SAVE_FLAG_MEM_SIZE 0x04 -#define RAM_SAVE_FLAG_PAGE 0x08 -#define RAM_SAVE_FLAG_EOS 0x10 -#define RAM_SAVE_FLAG_CONTINUE 0x20 +#define RAM_SAVE_FLAG_FULL 0x01 /* Obsolete, not used anymore */ +#define RAM_SAVE_FLAG_COMPRESS 0x02 +#define RAM_SAVE_FLAG_MEM_SIZE 0x04 +#define RAM_SAVE_FLAG_PAGE 0x08 +#define RAM_SAVE_FLAG_EOS 0x10 +#define RAM_SAVE_FLAG_CONTINUE 0x20 static int is_dup_page(uint8_t *page, uint8_t ch) { @@ -104,10 +104,11 @@ static int is_dup_page(uint8_t *page, uint8_t ch) return 1; } +static RAMBlock *last_block; +static ram_addr_t last_offset; + static int ram_save_block(QEMUFile *f) { - static RAMBlock *last_block = NULL; - static ram_addr_t last_offset = 0; RAMBlock *block = last_block; ram_addr_t offset = last_offset; ram_addr_t current_addr; @@ -231,6 +232,8 @@ int ram_save_live(Monitor *mon, QEMUFile *f, int stage, void *opaque) if (stage == 1) { RAMBlock *block; bytes_transferred = 0; + last_block = NULL; + last_offset = 0; /* Make sure all dirty bits are set */ QLIST_FOREACH(block, &ram_list.blocks, next) { @@ -387,13 +390,16 @@ int ram_load(QEMUFile *f, void *opaque, int version_id) host = qemu_get_ram_ptr(addr); else host = host_from_stream_offset(f, addr, flags); + if (!host) { + return -EINVAL; + } ch = qemu_get_byte(f); memset(host, ch, TARGET_PAGE_SIZE); #ifndef _WIN32 if (ch == 0 && (!kvm_enabled() || kvm_has_sync_mmu())) { - madvise(host, TARGET_PAGE_SIZE, MADV_DONTNEED); + qemu_madvise(host, TARGET_PAGE_SIZE, QEMU_MADV_DONTNEED); } #endif } else if (flags & RAM_SAVE_FLAG_PAGE) { |