[PATCH-for-11.0 01/13] hw/sh4/r2d: Bail out early if user request invalid RAM size

[Philippe Mathieu-Daudé]

Do not give false expectations, as this machine only
uses 64MB of RAM.

Signed-off-by: Philippe Mathieu-Daudé <phi...@linaro.org>
---
 hw/sh4/r2d.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/hw/sh4/r2d.c b/hw/sh4/r2d.c
index 010be6d5394..56da48f64cb 100644
--- a/hw/sh4/r2d.c
+++ b/hw/sh4/r2d.c
@@ -251,6 +251,14 @@ static void r2d_init(MachineState *machine)
     USBBus *usb_bus;
     r2d_fpga_t *fpga;
 
+    switch (machine->ram_size) {
+    case 64 * MiB:
+        break;
+    default:
+        error_report("This machine can only use 64M of memory");
+        exit(EXIT_FAILURE);
+    }
+
     cpu = SUPERH_CPU(cpu_create(machine->cpu_type));
     env = &cpu->env;
 
-- 
2.51.0