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-rw-r--r--hw/arm/versatilepb.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/hw/arm/versatilepb.c b/hw/arm/versatilepb.c
index 8ae5392..7b5cb36 100644
--- a/hw/arm/versatilepb.c
+++ b/hw/arm/versatilepb.c
@@ -198,6 +198,15 @@ static void versatile_init(MachineState *machine, int board_id)
int done_smc = 0;
DriveInfo *dinfo;
+ if (machine->ram_size > 0x10000000) {
+ /* Device starting at address 0x10000000,
+ * and memory cannot overlap with devices.
+ * Refuse to run rather than behaving very confusingly.
+ */
+ error_report("versatilepb: memory size must not exceed 256MB");
+ exit(1);
+ }
+
if (!machine->cpu_model) {
machine->cpu_model = "arm926";
}