lm32: machine state loading/saving

This patch adds support for saving and loading the processor state.

Signed-off-by: Michael Walle <michael@walle.cc>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>

diff --git a/target-lm32/machine.c b/target-lm32/machine.c
new file mode 100644 (file)
index 0000000..70ca52a
--- /dev/null
+++ b/target-lm32/machine.c
@@ -0,0 +1,33 @@
+#include "hw/hw.h"
+#include "hw/boards.h"
+
+static const VMStateDescription vmstate_cpu = {
+    .name = "cpu",
+    .version_id = CPU_SAVE_VERSION,
+    .minimum_version_id = 1,
+    .minimum_version_id_old = 1,
+    .fields      = (VMStateField[]) {
+        VMSTATE_UINT32_ARRAY(regs, CPUState, 32),
+        VMSTATE_UINT32(pc, CPUState),
+        VMSTATE_UINT32(ie, CPUState),
+        VMSTATE_UINT32(icc, CPUState),
+        VMSTATE_UINT32(dcc, CPUState),
+        VMSTATE_UINT32(cc, CPUState),
+        VMSTATE_UINT32(eba, CPUState),
+        VMSTATE_UINT32(dc, CPUState),
+        VMSTATE_UINT32(deba, CPUState),
+        VMSTATE_UINT32_ARRAY(bp, CPUState, 4),
+        VMSTATE_UINT32_ARRAY(wp, CPUState, 4),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
+void cpu_save(QEMUFile *f, void *opaque)
+{
+    vmstate_save_state(f, &vmstate_cpu, opaque);
+}
+
+int cpu_load(QEMUFile *f, void *opaque, int version_id)
+{
+    return vmstate_load_state(f, &vmstate_cpu, opaque, version_id);
+}