[v24,19/22] hw/rx: Restrict the RX62N microcontroller to the RX62N CPU core
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Message ID 20190912060701.4642-20-ysato@users.sourceforge.jp
State New
Headers show
Series
  • Add RX archtecture support
Related show

Commit Message

Yoshinori Sato Sept. 12, 2019, 6:06 a.m. UTC
From: Philippe Mathieu-Daudé <philmd@redhat.com>

While the VIRT machine can use different microcontrollers,
the RX62N microcontroller is tied to the RX62N CPU core.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
---
 hw/rx/rx-virt.c | 8 ++++++++
 1 file changed, 8 insertions(+)

Patch
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diff --git a/hw/rx/rx-virt.c b/hw/rx/rx-virt.c
index 4cfe2e3123..9676a5e7bf 100644
--- a/hw/rx/rx-virt.c
+++ b/hw/rx/rx-virt.c
@@ -17,6 +17,7 @@ 
  */
 
 #include "qemu/osdep.h"
+#include "qemu/error-report.h"
 #include "qapi/error.h"
 #include "qemu-common.h"
 #include "cpu.h"
@@ -56,6 +57,7 @@  static void rx_load_image(RXCPU *cpu, const char *filename,
 
 static void rxvirt_init(MachineState *machine)
 {
+    MachineClass *mc = MACHINE_GET_CLASS(machine);
     RX62NState *s = g_new(RX62NState, 1);
     MemoryRegion *sysmem = get_system_memory();
     MemoryRegion *sdram = g_new(MemoryRegion, 1);
@@ -64,6 +66,12 @@  static void rxvirt_init(MachineState *machine)
     void *dtb = NULL;
     int dtb_size;
 
+    if (strcmp(machine->cpu_type, mc->default_cpu_type) != 0) {
+        error_report("This board can only be used with CPU %s",
+                     mc->default_cpu_type);
+        exit(1);
+    }
+
     /* Allocate memory space */
     memory_region_init_ram(sdram, NULL, "sdram", 16 * MiB,
                            &error_fatal);