PPC: mpc8554ds: Tell user about exceeding RAM limits

The mpc8544ds board only supports up to 3GB of RAM due to its limited
address space.

When the user requests more, abort and tell him that he should use less.

Signed-off-by: Alexander Graf <agraf@suse.de>

diff --git a/hw/ppc/mpc8544ds.c b/hw/ppc/mpc8544ds.c
index f13163308e15d428372c9825979f162a3dc5d776..fb74b3ff80c056f343777a179965951b0820b9b9 100644 (file)
--- a/hw/ppc/mpc8544ds.c
+++ b/hw/ppc/mpc8544ds.c
@@ -15,6 +15,7 @@
 #include "hw/boards.h"
 #include "sysemu/device_tree.h"
 #include "hw/ppc/openpic.h"
+#include "qemu/error-report.h"
 
 static void mpc8544ds_fixup_devtree(PPCE500Params *params, void *fdt)
 {
@@ -38,6 +39,11 @@ static void mpc8544ds_init(MachineState *machine)
         .spin_base = 0xEF000000ULL,
     };
 
+    if (machine->ram_size > 0xc0000000) {
+        error_report("The MPC8544DS board only supports up to 3GB of RAM");
+        exit(1);
+    }
+
     ppce500_init(machine, &params);
 }