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-rw-r--r--hw/mem/pc-dimm.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/hw/mem/pc-dimm.c b/hw/mem/pc-dimm.c
index a800ea7a9f..4944f0faf9 100644
--- a/hw/mem/pc-dimm.c
+++ b/hw/mem/pc-dimm.c
@@ -139,7 +139,7 @@ static int pc_dimm_built_list(Object *obj, void *opaque)
uint64_t pc_dimm_get_free_addr(uint64_t address_space_start,
uint64_t address_space_size,
- uint64_t *hint, uint64_t size,
+ uint64_t *hint, uint64_t align, uint64_t size,
Error **errp)
{
GSList *list = NULL, *item;
@@ -152,6 +152,18 @@ uint64_t pc_dimm_get_free_addr(uint64_t address_space_start,
goto out;
}
+ if (hint && QEMU_ALIGN_UP(*hint, align) != *hint) {
+ error_setg(errp, "address must be aligned to 0x%" PRIx64 " bytes",
+ align);
+ goto out;
+ }
+
+ if (QEMU_ALIGN_UP(size, align) != size) {
+ error_setg(errp, "backend memory size must be multiple of 0x%"
+ PRIx64, align);
+ goto out;
+ }
+
assert(address_space_end > address_space_start);
object_child_foreach(qdev_get_machine(), pc_dimm_built_list, &list);