Add save_block_hdr function
Signed-off-by: Benoit Hudzia <benoit.hudzia@sap.com> Signed-off-by: Petter Svard <petters@cs.umu.se> Signed-off-by: Aidan Shribman <aidan.shribman@sap.com> Signed-off-by: Orit Wasserman <owasserm@redhat.com>
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parent
6607ae235b
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0c51f43d7a
26
arch_init.c
26
arch_init.c
@ -161,6 +161,18 @@ static int is_dup_page(uint8_t *page)
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return 1;
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}
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static void save_block_hdr(QEMUFile *f, RAMBlock *block, ram_addr_t offset,
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int cont, int flag)
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{
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qemu_put_be64(f, offset | cont | flag);
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if (!cont) {
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qemu_put_byte(f, strlen(block->idstr));
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qemu_put_buffer(f, (uint8_t *)block->idstr,
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strlen(block->idstr));
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}
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}
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static RAMBlock *last_block;
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static ram_addr_t last_offset;
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@ -187,21 +199,11 @@ static int ram_save_block(QEMUFile *f)
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p = memory_region_get_ram_ptr(mr) + offset;
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if (is_dup_page(p)) {
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qemu_put_be64(f, offset | cont | RAM_SAVE_FLAG_COMPRESS);
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if (!cont) {
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qemu_put_byte(f, strlen(block->idstr));
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qemu_put_buffer(f, (uint8_t *)block->idstr,
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strlen(block->idstr));
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}
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save_block_hdr(f, block, offset, cont, RAM_SAVE_FLAG_COMPRESS);
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qemu_put_byte(f, *p);
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bytes_sent = 1;
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} else {
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qemu_put_be64(f, offset | cont | RAM_SAVE_FLAG_PAGE);
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if (!cont) {
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qemu_put_byte(f, strlen(block->idstr));
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qemu_put_buffer(f, (uint8_t *)block->idstr,
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strlen(block->idstr));
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}
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save_block_hdr(f, block, offset, cont, RAM_SAVE_FLAG_PAGE);
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qemu_put_buffer(f, p, TARGET_PAGE_SIZE);
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bytes_sent = TARGET_PAGE_SIZE;
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}
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