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[PATCH v1 3/4] hw/arm/cubieboard: restrict allowed RAM size to 512MiB an
From: |
Niek Linnenbank |
Subject: |
[PATCH v1 3/4] hw/arm/cubieboard: restrict allowed RAM size to 512MiB and 1GiB |
Date: |
Thu, 27 Feb 2020 23:01:48 +0100 |
The Cubieboard contains either 512MiB or 1GiB of onboard RAM [1].
Prevent changing RAM to a different size which could break user programs.
[1] http://linux-sunxi.org/Cubieboard
Signed-off-by: Niek Linnenbank <address@hidden>
---
hw/arm/cubieboard.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/hw/arm/cubieboard.c b/hw/arm/cubieboard.c
index 010375f0a8..6c55d9056f 100644
--- a/hw/arm/cubieboard.c
+++ b/hw/arm/cubieboard.c
@@ -33,6 +33,13 @@ static void cubieboard_init(MachineState *machine)
AwA10State *a10;
Error *err = NULL;
+ /* This board has fixed size RAM (512MiB or 1GiB) */
+ if (machine->ram_size != 512 * MiB &&
+ machine->ram_size != 1 * GiB) {
+ error_report("This machine can only be used with 512MiB or 1GiB RAM");
+ exit(1);
+ }
+
/* Only allow Cortex-A8 for this board */
if (strcmp(machine->cpu_type, ARM_CPU_TYPE_NAME("cortex-a8")) != 0) {
error_report("This board can only be used with cortex-a8 CPU");
@@ -78,6 +85,7 @@ static void cubieboard_machine_init(MachineClass *mc)
{
mc->desc = "cubietech cubieboard (Cortex-A8)";
mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a8");
+ mc->default_ram_size = 1 * GiB;
mc->init = cubieboard_init;
mc->block_default_type = IF_IDE;
mc->units_per_default_bus = 1;
--
2.17.1