Commit 0c51f43d authored by Orit Wasserman's avatar Orit Wasserman Committed by Juan Quintela

Add save_block_hdr function

Signed-off-by: default avatarBenoit Hudzia <benoit.hudzia@sap.com>
Signed-off-by: default avatarPetter Svard <petters@cs.umu.se>
Signed-off-by: default avatarAidan Shribman <aidan.shribman@sap.com>
Signed-off-by: default avatarOrit Wasserman <owasserm@redhat.com>
parent 6607ae23
......@@ -161,6 +161,18 @@ static int is_dup_page(uint8_t *page)
return 1;
}
static void save_block_hdr(QEMUFile *f, RAMBlock *block, ram_addr_t offset,
int cont, int flag)
{
qemu_put_be64(f, offset | cont | flag);
if (!cont) {
qemu_put_byte(f, strlen(block->idstr));
qemu_put_buffer(f, (uint8_t *)block->idstr,
strlen(block->idstr));
}
}
static RAMBlock *last_block;
static ram_addr_t last_offset;
......@@ -187,21 +199,11 @@ static int ram_save_block(QEMUFile *f)
p = memory_region_get_ram_ptr(mr) + offset;
if (is_dup_page(p)) {
qemu_put_be64(f, offset | cont | RAM_SAVE_FLAG_COMPRESS);
if (!cont) {
qemu_put_byte(f, strlen(block->idstr));
qemu_put_buffer(f, (uint8_t *)block->idstr,
strlen(block->idstr));
}
save_block_hdr(f, block, offset, cont, RAM_SAVE_FLAG_COMPRESS);
qemu_put_byte(f, *p);
bytes_sent = 1;
} else {
qemu_put_be64(f, offset | cont | RAM_SAVE_FLAG_PAGE);
if (!cont) {
qemu_put_byte(f, strlen(block->idstr));
qemu_put_buffer(f, (uint8_t *)block->idstr,
strlen(block->idstr));
}
save_block_hdr(f, block, offset, cont, RAM_SAVE_FLAG_PAGE);
qemu_put_buffer(f, p, TARGET_PAGE_SIZE);
bytes_sent = TARGET_PAGE_SIZE;
}
......
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