1 files changed, 15 insertions, 2 deletions
diff --git a/hw/acpi/utils.c b/hw/acpi/utils.c
index a134a4d554..0c486ea29f 100644
--- a/hw/acpi/utils.c
+++ b/hw/acpi/utils.c
@@ -27,9 +27,22 @@
 #include "hw/loader.h"
 
 MemoryRegion *acpi_add_rom_blob(FWCfgCallback update, void *opaque,
-                                GArray *blob, const char *name,
-                                uint64_t max_size)
+                                GArray *blob, const char *name)
 {
+    uint64_t max_size;
+
+    /* Reserve RAM space for tables: add another order of magnitude. */
+    if (!strcmp(name, ACPI_BUILD_TABLE_FILE)) {
+        max_size = 0x200000;
+    } else if (!strcmp(name, ACPI_BUILD_LOADER_FILE)) {
+        max_size = 0x10000;
+    } else if (!strcmp(name, ACPI_BUILD_RSDP_FILE)) {
+        max_size = 0x1000;
+    } else {
+        g_assert_not_reached();
+    }
+    g_assert(acpi_data_len(blob) <= max_size);
+
     return rom_add_blob(name, blob->data, acpi_data_len(blob), max_size, -1,
                         name, update, opaque, NULL, true);
 }