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[v3,3/4] PPC: mpc8554ds: Tell user about exceeding RAM limits

Message ID 1415829400-58216-4-git-send-email-agraf@suse.de
State New
Headers show

Commit Message

Alexander Graf Nov. 12, 2014, 9:56 p.m. UTC 
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>
---
 hw/ppc/mpc8544ds.c | 6 ++++++
 1 file changed, 6 insertions(+)
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Patch

diff --git a/hw/ppc/mpc8544ds.c b/hw/ppc/mpc8544ds.c
index f131633..fb74b3f 100644
--- 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);
 }